13th week of 2022 patent applcation highlights part 83 |
Patent application number | Title | Published |
20220103737 | ON-BOARD INFRARED ILLUMINATION DEVICE - An on-board infrared illumination device includes an infrared light source that provides for-camera infrared illumination by irradiating, with infrared radiation, a plurality of irradiation areas included in an imaging range within an exposure time of an on-board infrared camera, a light source controller configured to control the infrared light source to form a plurality of irradiation patterns at a timing different from a timing for the for-camera infrared illumination, and an infrared sensor. Each irradiation area is formed such that one or more different irradiation areas among the plurality of irradiation areas are selectively irradiated with the infrared radiation. The light source controller controls the infrared light source to adjust an illuminance of the for-camera infrared illumination on each irradiation area independently of each other on the basis of a sensor signal output from the infrared sensor for each of the plurality of irradiation patterns. | 2022-03-31 |
20220103738 | System and Method for PWM Control of a Video Display Screen - A PWM control system includes a memory and a processor. The processor obtains camera characteristics relating to a camera that is configured to capture an image displayed by a video display. The camera characteristics include a duration of a period when a shutter of the camera is open. The processor also calculates a PWM timing control for the video display. The PWM timing control specifies a PWM cycle duration that is based on the period when the shutter of the camera is open. The processor further sends a signal to the video display. The signal includes the PWM timing control and is configured to cause the video display to control a brightness of the video display according to the PWM timing control during the period when the shutter of the camera is open. | 2022-03-31 |
20220103739 | SYSTEMS AND METHODS FOR DETERMINING EXPOSURE PARAMETER OF AN IMAGE CAPTURE DEVICE - The present disclosure relates to systems and methods for adjusting exposure parameter(s) of a capture device. The systems and methods may obtain a target region within an image captured by the capture device. The systems and methods may determine a current brightness of the target region based on gray information of the target region, and determine a target brightness of the target region based on the current brightness of the target region. The systems and methods may then determine one or more exposure parameters of the capture device based on the target brightness of the target region. | 2022-03-31 |
20220103740 | SYSTEMS AND METHODS FOR AUTOMATIC EXPOSURE CONTROL - The present disclosure relates to systems and methods for automatic exposure control. The methods may include obtaining a first frame and a second frame of a current scene from a camera, wherein a ratio of a first exposure time of the first frame to a second exposure time of the second frame is a first exposure ratio; obtaining a first average luminance of a brightest region in the second frame; obtaining a second average luminance of a darkest region in the first frame; and determining a dynamic range of the current scene based on the first exposure ratio, the first average luminance, and the second average luminance. | 2022-03-31 |
20220103741 | MOBILE TERMINAL AND METHOD FOR CONTROLLING SAME - The present disclosure relates to a mobile terminal having a lighting unit and a control method thereof. A mobile terminal according to one implementation includes a lighting unit, a camera, and a controller configured to control the lighting unit to irradiate illumination light to a subject to be captured through the camera, and control the camera to capture the subject irradiated with the illumination light, wherein the controller is configured to determine a material of the subject based on information related to the illumination light irradiated on the subject captured through the camera. | 2022-03-31 |
20220103742 | VEHICULAR VISION SYSTEM USING IMAGE DATA TRANSMISSION AND POWER SUPPLY VIA A COAXIAL CABLE - A vehicular vision system includes an ECU disposed at a vehicle and a front camera having a CMOS imaging sensor operable to capture image data. Image data captured by the imaging sensor of the front camera is conveyed from the front camera to the ECU via a single core coaxial cable. The front camera is in bidirectional communication with the ECU over the single core coaxial cable. The single core coaxial cable commonly carries (i) image data captured by the imaging sensor for processing at a data processor of the ECU and (ii) power from a DC power supply of the ECU to the front camera. Image data captured by the imaging sensor is serialized at a data serializer of the front camera and is transmitted to the ECU via the single core coaxial cable and is deserialized at the ECU by a data deserializer of the ECU. | 2022-03-31 |
20220103743 | PICTURE FOCUSING METHOD, APPARATUS, TERMINAL, AND CORRESPONDING STORAGE MEDIUM - Provided by the present invention is a picture focusing method, comprising: acquiring a video picture, and, according to an instruction command, determining a target object in the video picture; determining picture depth information of a video picture region in which the target object is located; acquiring parameter information of a camera corresponding to multiple video picture frames; using the picture depth information of the video picture region and the parameter information of the camera as the input of a preset focusing neural network model; and using focus adjustment information of the camera to perform a focus adjustment operation on the camera. | 2022-03-31 |
20220103744 | Camera with Sensor-Shifting Autofocus Mechanism - Various embodiments include a camera having a sensor-shifting mechanism. For example, the camera may include a voice coil motor (VCM) actuator to move an image sensor, relative to a lens group, to provide autofocus (AF) functionality. According to some embodiments, the VCM actuator may include one or more coils attached to a coil carrier, and one or more magnets attached to a stationary structure of the camera. The coil carrier may be attached to an image sensor package such that the image sensor is movable together with the coil carrier, in at least one direction parallel to an optical axis defined by the lens group. In some embodiments, the camera may include one or more suspension arrangements to suspend the coil carrier and/or the image sensor package from one or more stationary structures of the camera. | 2022-03-31 |
20220103745 | IMAGE CAPTURE EYEWEAR WITH CONTEXT-BASED SENDING - Systems, methods, and instructions on non-transitory computer readable media for automatically sending images to designated recipients based on context selection criteria (e.g., one or more of location, content, or quality). The system includes a camera and a user interface to trigger the camera to capture an image. The method includes identifying context selection criteria, identifying designated recipients, receiving the image captured by the camera, determining image data for the captured image, comparing the determined image data to the identified context selection criteria to identify a match, and sending the captured image to the set of designated recipients responsive to the identified match. | 2022-03-31 |
20220103746 | IMAGING DEVICE, IMAGING METHOD, AND PROGRAM - Provided is an imaging device including: as assistant control unit that determines, on the basis of user's proficiency level information regarding imaging, an item presented to assist the imaging; and a presentation unit that presents item information, which is information regarding the item, to the user. | 2022-03-31 |
20220103747 | Object Recognition Device - An object recognition device includes: a transfer path including a rail installed above a space in which an object is arranged; a transfer machine that moves along the rail and lowers and supports the wire below the rail; and a detector that is supported by the wire and moves up and down and detects and recognizes the object. | 2022-03-31 |
20220103748 | TOUCHLESS PHOTO CAPTURE IN RESPONSE TO DETECTED HAND GESTURES - Example systems, devices, media, and methods are described for capturing still images in response to hand gestures detected by an eyewear device that is capturing frames of video data with its camera system. A localization system determines the eyewear location relative to the physical environment. An image processing system detects a hand shape in the video data and determines whether the detected hand shape matches a border gesture or a shutter gesture. In response to a border gesture, the system establishes a border that defines the still image to be captured. In response to a shutter gesture, the system captures a still image from the frames of video data. The system determines a shutter gesture location relative to the physical environment. The captured still image is presented on the display at or near the shutter gesture location, such that the still image appears anchored relative to the physical environment. The captured still image is viewable by other devices that are using the image capture system. | 2022-03-31 |
20220103749 | Detecting Facial Expressions in Digital Images - A method and system for detecting facial expressions in digital images and applications therefore are disclosed. Analysis of a digital image determines whether or not a smile and/or blink is present on a person's face. Face recognition, and/or a pose or illumination condition determination, permits application of a specific, relatively small classifier cascade. | 2022-03-31 |
20220103750 | IMAGE MODIFICATION OF MOTION CAPTURED SCENE FOR RECONSTRUCTION OF OBSCURED VIEWS USING UNCOORDINATED CAMERAS - An imagery processing system determines alternative pixel color values for pixels of captured imagery where the alternative pixel color values are obtained from alternative sources. A main imagery capture device, such as a camera, captures main imagery such as still images and/or video sequences, of a live action scene. Alternative devices capture imagery of the live action scene, in some spectra and form, and that alternative imagery is processed to provide user-selectable alternatives for pixel ranges from the main imagery. | 2022-03-31 |
20220103751 | COMMUNICATION MANAGEMENT APPARATUS, IMAGE COMMUNICATION SYSTEM, COMMUNICATION MANAGEMENT METHOD, AND RECORDING MEDIUM - A communication management apparatus includes circuitry to receive from a communication terminal predetermined-position information indicating a predetermined position in an area where a plurality of image capturing devices are provided, and number-of-division information indicating the number of divisions for dividing the area from the predetermined position, and transmit to the communication terminal first predetermined-area information indicating a predetermined area including the predetermined position in an image captured by a first image capturing device and second predetermined-area information indicating a predetermined area including the predetermined position in an image captured by a second image capturing device, the first image capturing device being arranged at a shortest distance from the predetermined position, and the second image capturing device being arranged such that an angle between the second and the first image capturing devices is closest to an angle obtained by dividing the area in accordance with the number of divisions. | 2022-03-31 |
20220103752 | ULTRA LOW POWER CAMERA PIPELINE FOR CV IN AR SYSTEMS - An eyewear device having an image processor operable in a camera pipeline for computer vision (CV) and in augmented reality (AR) systems. The image processor is configured to selectively control a plurality of cameras to provide images having a first resolution in the high power AR mode, and to provide the images having a second resolution in the low power CV mode. The first resolution is higher than the second resolution, and the plurality of cameras consume less power in the CV mode than the AR mode. The image processor controls the camera pipeline to process the first resolution high IQ images from the plurality of cameras to operate in the AR mode, and controls the camera pipeline to process the second resolution lower IQ images from the plurality of cameras to operate in the CV mode. Substantial power is saved by reducing the resolution of the images using downscaling in the cameras themselves in the CV mode. | 2022-03-31 |
20220103753 | IMAGING APPARATUS - An imaging apparatus includes: an imaging sensor that captures an object image formed through an interchangeable lens to generate image data; a driver that performs image blur correction by moving the imaging sensor in a plane perpendicular to an optical axis; and a controller that causes the driver to move the imaging sensor. The controller causes the driver to move the imaging sensor automatically, thereby detecting a movable amount of the imaging sensor that does not cause a vignetting in the captured image at a time when moving the imaging sensor for image blur correction, and causes the driver to move the imaging sensor within a range of the detected movable amount. | 2022-03-31 |
20220103754 | DRIVING UNIT, OPTICAL-ELEMENT DRIVING DEVICE, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE - The driving unit includes: a first contact portion and a second contact portion that move relatively to each other while making contact with each other during driving; in which the second contact portion includes a coating layer at a contact face with the first contact portion, and the first contact portion and the second contact portion generate heat along with relative movement to vaporize a worn-away part of the coating layer. | 2022-03-31 |
20220103755 | AUTOMATED APPLICATION OF DRIFT CORRECTION TO SAMPLE STUDIED UNDER ELECTRON MICROSCOPE - Control system configured for sample tracking in an electron microscope environment registers a movement associated with a region of interest located within an active area of a sample under observation with an electron microscope. The registered movement includes at least one directional constituent. The region of interest is positioned within a field of view of the electron microscope. The control system directs an adjustment of the electron microscope control component to one or more of dynamically center and dynamically focus the view through the electron microscope of the region of interest. The adjustment comprises one or more of a magnitude element and a direction element. | 2022-03-31 |
20220103756 | CAMERA SCOPE ELECTRONIC VARIABLE PRISM - A system, apparatus and methods for providing a scope having an imaging sensor which provides a two thousand pixel by two thousand pixel array of pixels. The imaging sensor allows for an angle of view to be changed within a field of view by selecting a one thousand pixel by one thousand pixel set within the two thousand pixel by two thousand pixel array of pixels containing imaging data that corresponds to a desired angle of view. | 2022-03-31 |
20220103757 | MULTI-PURPOSE CAMERAS FOR SIMULTANEOUS CAPTURE AND CV ON WEARABLE AR DEVICES - Eyewear having an image signal processor (ISP) dynamically operable in a camera pipeline for augmented reality (AR) and computer vision (CV) systems. Multi-purpose cameras are used for simultaneous image capture and CV on wearable AR devices. The cameras are coupled to a frame and configured to generate images, wherein the cameras and the ISP are configured to operate in a first AR mode and capture images having a first resolution suitable for use in AR, and are configured to operate in a second CV mode to provide the images having a second resolution suitable for use in CV. The first resolution in the AR mode is higher than the second resolution in the CV mode, and the cameras and the ISP consume less power in the second CV mode than the first AR mode. The cameras and the ISP save significant system power by operating in the low power mode CV mode. | 2022-03-31 |
20220103758 | USER INTERFACES FOR MEDIA CAPTURE AND MANAGEMENT - The present disclosure generally relates to user interface for capturing and managing media (e.g., photo media, video media). In some examples, user interfaces for managing the file format of media (e.g., photo, video media) are described. In some examples, user interfaces for storing media (photo media (e.g., a sequences of image, a single still image), video media) are described. | 2022-03-31 |
20220103759 | IMAGING APPARATUS - An imaging apparatus for capturing an image of a subject, the imaging apparatus includes: a first display; a second display including a display screen configured to change an orientation toward a subject side; a controller configured to control operations of the first and second displays; and a proximity detector configured to detect an object in proximity to the first display, wherein when a predetermined condition is satisfied, the controller causes the first display to display an image of the subject, and causes the second display to display an image showing the subject simultaneously with the first display. | 2022-03-31 |
20220103760 | PRIVACY CONTROLS FOR CAMERAS IN HEALTHCARE ENVIRONMENTS - Disclosed are methods and systems that can maintain patient privacy in a video stream of a medical facility by obfuscating all patient identity information such that the patient's identity and medical information is protected. In addition, the system and methods disclosed herein can limit the change in the perspective of the camera based on a defined privacy zone in the medical facility such that the privacy zone is not in the field of view of the camera. | 2022-03-31 |
20220103761 | VIDEO FRAME SYNTHESIS USING TENSOR NEURAL NETWORKS - A method for implementing video frame synthesis using a tensor neural network includes receiving input video data including one or more missing frames, converting the input video data into an input tensor, generating, through tensor completion based on the input tensor, output video data including one or more synthesized frames corresponding to the one or more missing frames by using a transform-based tensor neural network (TTNet) including a plurality of phases implementing a tensor iterative shrinkage thresholding algorithm (ISTA), and obtaining a loss function based on the output video data. | 2022-03-31 |
20220103762 | IMAGING APPARATUS, IMAGING SYSTEM, AND IMAGING METHOD - An imaging apparatus includes a first image sensor for receiving light of a first wave range, a second image sensor for receiving light of a second wave range other than the first wave range, an information acquisition unit for acquiring position information relating to the imaging apparatus and environment information relating to an imaging environment of the imaging apparatus, an estimation unit for estimating, for each subject to be imaged by the imaging apparatus, influence of an external factor of the imaging apparatus on a first image, which is obtained from the first image sensor, by using the position information and the environment information that are acquired by the information acquisition unit, and an image synthesis unit configured to synthesize the first image and a second image, which is obtained from the second image sensor, on the basis of the influence estimated by the estimation unit. | 2022-03-31 |
20220103763 | COMMUNICATION MANAGEMENT APPARATUS, IMAGE COMMUNICATION SYSTEM, COMMUNICATION MANAGEMENT METHOD, AND RECORDING MEDIUM - A communication management apparatus for communicating with a communication terminal, including circuitry that receives from the communication terminal pieces of designated-position information transmitted, each indicating a corresponding one of a plurality of designated positions in an area where the plurality of image capturing devices are provided, and transmits to the communication terminal identification information of a shareable image capturing device and pieces of predetermined-area information of the shareable image capturing device, the shareable image capturing device being an image capturing device for which distances from any two designated positions among the plurality of designated positions indicated by the pieces of designated-position information are shortest and which is capable of sharing images of the two designated positions, each of the pieces of predetermined-area information of the shareable image capturing device indicating a predetermined area in which a corresponding one of the two designated positions is viewed at the front. | 2022-03-31 |
20220103764 | System and Method for Robust Model-Based Camera Tracking and Image Occlusion Removal - A system and method for model-based camera tracking and image occlusion removal for a camera viewing a sports field (or other scene) includes receiving a synthesized data set comprising at least one empty field image of the field, the empty field image with at least one occlusion graphic, and camera parameters corresponding to the empty field image, training a neural network model to estimate the empty field image and the corresponding camera parameters by providing the model with an input training image comprising the empty field image with occlusion graphic, and providing the model with model output targets comprising the empty field image and the corresponding camera parameters as targets for the model, receiving by the neural network model, alive input image comprising a view of the field with live occlusions, and providing by the neural network model, using trained model parameters, estimated live camera parameters or an estimated empty field image associated with the live input image. | 2022-03-31 |
20220103765 | VARIABLE PIXEL BINNING IN AN OPTICAL BIOMETRIC IMAGING DEVICE - The present invention relates to a method of configuring an optical biometric imaging device comprising a photodetector pixel array, the method comprising: acquiring a biometric image of a biometric object using a first binning setting for binning of detection signals from subarrays of the photodetector pixels into a single pixel value;determining a measure indicative of the feature resolution of the biometric image; and determining, when the measure indicates that the feature resolution is below a feature resolution threshold, a second binning setting adapted to provide a higher feature resolution compared to the feature resolution of the biometric image. | 2022-03-31 |
20220103766 | IMAGE SENSING DEVICE AND OPERATING METHOD THEREOF - Disclosed is an image sensing device and an operating method thereof, the image sensing device including an image sensor suitable for generating first image signals, corresponding to some of a plurality of pixels, in a binning mode, and an image processor suitable for generating second image signals, corresponding to other pixels, by performing an interpolation operation based on the first image signals in the binning mode. | 2022-03-31 |
20220103767 | IMAGE SENSING DEVICE AND IMAGE SENSING METHOD - An image sensing device and an image sensing method are provided. The image sensing device includes a pixel array and a readout circuit. The pixel array includes multiple sensing sub-pixels arranged in an array. During a first exposure period of a frame period, the sensing sub-pixels are simultaneously exposed to respectively store multiple first sensing signals in multiple storage units of the sensing sub-pixels. During multiple first readout periods of the frame period, the readout circuit sequentially reads out the first sensing signals stored in the storage units during different periods. During each of multiple dynamic sensing periods of the frame period, all or part of the sensing sub-pixels are reset and then simultaneously exposed again, and the readout circuit then simultaneously reads out multiple second sensing signals of the sensing sub-pixels. | 2022-03-31 |
20220103768 | IMAGE SENSOR HAVING HIGH RESOLUTION ANALOG TO DIGITAL CONVERTER - An image sensor includes ADCs, each including a comparator receiving a ramp signal and an image signal, and generating a comparator output. Each ADC also includes a counter ceasing to change a digital count value in response to a change in the comparator output. The digital count value has a first resolution. Each ADC also includes a delay line circuit including a delay line generating a first digital value encoding a duration of a period of the counter clock and generating a second digital value encoding a first portion of the period of the counter clock. Each ADC also includes a delay to digital circuit generating a digital output value based on the first and digital values. The digital output value encodes a second value of the ramp signal, where the digital count value has a second resolution that is greater than the first resolution. | 2022-03-31 |
20220103769 | An Imaging Device and a Method of Enabling Rolling Shutter Image Sensor to Function as Global Shutter - An imaging device includes an image sensor including a rolling shutter functionality, one or more lighting elements capable of generating light at a predetermined time and duration, a light control component configured to control amount of light generated by the one or more lighting elements entering the image sensor, where the light control component is disposed between the image sensor and a lens of the imaging device; and a processing unit enabling the image sensor to function as a global shutter image sensor using the light control component, to capture at least one image of a moving object by synchronizing the light control component with light generated from the one or more lighting elements. | 2022-03-31 |
20220103770 | IMAGE SENSING DEVICE AND IMAGE SENSING METHOD - An image sensing device and an image sensing method are provided. The image sensing device is adapted to sense a target object in a situation without ambient light. The image sensing device includes a modulated light source, an image sensor, and a processing circuit. The modulated light source includes light sources. The image sensor includes sensing pixels. The image sensor is a color filter-free sensor. In one frame period, the light sources emit sensing light beams at different timings, and the sensing pixels at different timings sense reflected light beams generated by the sensing light beams reflected by the target object. The processing circuit synthesizes first images corresponding to a part of the reflected light beams to generate a complete sensing image. The processing circuit obtains depth information of the target object according to another part of the reflected light beams. | 2022-03-31 |
20220103771 | METHOD AND SYSTEM FOR HIGH SPEED SIGNAL PROCESSING - A method and system for acquiring data from a pixelated image sensor for detecting charged particles. The method includes reading a pixel voltage of one or more of the multiple pixels multiple times without resetting the image sensor and digitizing the pixel into a first number of bits. The camera outputs a digitized compressed pixel voltage in a second, less, number of bits. The maximum range of the digitized compressed pixel voltage is less than a maximum range of the pixel voltage. | 2022-03-31 |
20220103772 | IMAGING DEVICE AND ELECTRONIC DEVICE - An imaging device having a memory function is provided. Alternatively, an imaging device suitable for taking images of a moving object is provided. The imaging device includes a first to third layers; the second layer is provided between the first and the third layer; the first layer includes a photoelectric conversion device; the second layer includes a first and a second circuit; the third layer includes a third and a fourth circuit; the first circuit and the photoelectric conversion device have a function of generating imaging data; the third circuit has a function of reading the imaging data; the second circuit has a function of storing the imaging data read by the third circuit; the fourth circuit has a function of reading the imaging data stored in the second circuit; and the first circuit and the second circuit include a transistor including a metal oxide in a channel formation region. | 2022-03-31 |
20220103773 | IMAGING APPARATUS INCLUDING UNIT PIXEL, COUNTER ELECTRODE, PHOTOELECTRIC CONVERSION LAYER, AND VOLTAGE SUPPLY CIRCUIT - An imaging apparatus includes a unit pixel including a pixel electrode, a charge accumulation region electrically connected to the pixel electrode, and a signal detection circuit electrically connected to the charge accumulation region; a counter electrode facing the pixel electrode; a photoelectric conversion layer disposed between the electrodes; and a voltage supply circuit configured to selectively apply any one of first, second, and third voltages between the electrodes. The photoelectric conversion layer exhibits first and second wavelength sensitivity characteristics in a wavelength range when the voltage supply circuit applies the first and second voltages between the electrodes, respectively, and becomes insensitive to light in the wavelength range when the voltage supply circuit applies the third voltage between the electrodes. | 2022-03-31 |
20220103774 | SINGLE-SHOT COMPRESSED OPTICAL-STREAKING ULTRA-HIGH-SPEED PHOTOGRAPHY METHOD AND SYSTEM - A system and a method for single-shot compressed optical-streaking ultra-high-speed imaging, the system comprising a spatial encoding module spatially encoding the transient event with a binary pseudo-random pattern into spatially encoded frames; a galvanometer scanner temporally shearing the spatially encoded frames; and a CMOS camera receiving the temporally sheared spatially encoded frames, during one exposure time of the camera, for reconstructing the transient event. The method comprises spatial encoding a transient event; temporal shearing resulting spatially encoded frames of the event, spatio-temporal integration, and reconstruction. | 2022-03-31 |
20220103775 | IMAGING DEVICE - An imaging device including: an imaging unit in which a plurality of shared sections each including two pixel regions adjacent at least in a first direction is provided and the shared sections provided at closest positions in a second direction are disposed to shift in the first direction by the one pixel region; a photoelectric converter provided for each of the pixel regions; an electric charge holding unit that holds signal charge generated by the photoelectric converter; an electric charge voltage converter to which the signal charge is transferred from the electric charge holding unit; and a pixel transistor that is electrically coupled to the electric charge voltage converter. The second direction intersects the first direction. The pixel transistor is provided for each of the shared sections. | 2022-03-31 |
20220103776 | IMAGE SENSOR AMPLIFIERS WITH REDUCED INTER-CIRCULATION CURRENTS - An image sensor may include an array of image sensor pixels. The array of image sensor pixels may be controlled by row driver circuitry. The row driver circuitry may include row drivers that receive power supply signals from transconductance amplifier circuitry. The transconductance amplifier circuitry may include multiple amplifiers with output ports shorted to one another. Each amplifier may include input transistors, cross-coupled transistors with a low threshold voltage, and additional transistors coupled in series with the cross-coupled transistors and having a moderate or high threshold voltage. | 2022-03-31 |
20220103777 | SYSTEM AND METHOD FOR DYNAMICALLY CONFIGURING THE OUTPUT OF A MEDIA GATEWAY APPLIANCE - A system and method for dynamically routing each of multiple independent content streams from a single media gateway appliance to specific output ports. The particular content and the identity of the port or ports to which it will be routed are defined by the contents of user commands received by media gateway appliance. The disclosed technology enables a single appliance to simultaneously route independent content to particular identified displays, thereby providing independent viewing experiences to multiple users. | 2022-03-31 |
20220103778 | AUDIO-VISUAL SYSTEM AND METHOD FOR CONTROLLING THE SAME - An audio-visual system may include a housing comprising an open upper end and a storage space, an audio-visual device installed inside the housing and exposable through the open upper end, and a lifting device configured to expose or store the audio-visual device inside the housing through the open upper end. The audio-visual device may include a display, a speaker, and a processor configured to control the audio-visual system to operate in a first mode for outputting media art content while the display is stored in the housing according to a first event, operate in a second mode for outputting audio content through the speaker while part of the display is exposed through the open upper end according to a second event, and operate in a third mode for outputting a visual content while the entire display is exposed through the open upper end according to a third event. | 2022-03-31 |
20220103779 | METHOD AND DEVICE FOR AUTOMATICALLY EVALUATING AND PROVIDING VIDEO SIGNALS OF AN EVENT - The invention relates to a method and a device for evaluating and providing video signals of an event. A uniform time signal is assigned to recorded video signals of the event, and to captured camera parameters and metadata, after which the video signals are automatically evaluated in a data processing device on the basis of a user input. This way, a desired portion of the video signals can be provided to the user on the basis of the evaluation. | 2022-03-31 |
20220103780 | REAL TIME VIDEO EDITING - Examples of the present disclosure improve the functionality of electronic software and systems by enhancing users' experience of utilizing a camera of a client device. The technical problem of generating a video that has the starting point later in time than the starting time of the associated recording session is addressed by providing a real time video editing functionality. In some examples, a real time video editing functionality is in the form of a real time video editor provided by a messaging system for exchanging data over a network. | 2022-03-31 |
20220103781 | SYNTAX FOR DEPENDENT RANDOM ACCESS POINT INDICATION IN VIDEO BITSTREAMS - Systems, methods and apparatus for encoding, decoding or transcoding visual media data are described. One example method of processing visual media data includes performing a conversion between visual media data and a bitstream of the visual media data according to a format rule, wherein the format rule specifies that a supplemental enhancement information (SEI) message that refers to a dependent random access point (DRAP) picture is included in the bitstream, and wherein the format rule further specifies that the SEI message includes a syntax element indicating a number of intra random access point (IRAP) pictures or dependent random access point (DRAP) pictures that are within a same coded layer video sequence (CLVS) as the DRAP picture. | 2022-03-31 |
20220103782 | METHOD FOR VIDEO FRAME INTERPOLATION, AND ELECTRONIC DEVICE - The disclosure discloses a method for video frame interpolation. The method includes: obtaining a first visual semantic feature and first pixel information of a first frame, and obtaining a second visual semantic feature and second pixel information of a second frame; generating semantic optical flow information based on the first visual semantic feature and the second visual semantic feature; generating pixel optical flow information based on the first pixel information and the second pixel information; and generating an interpolation frame between the first frame and the second frame based on the semantic optical flow information and the pixel optical flow information, and interpolating the interpolation frame between the first frame and the second frame. | 2022-03-31 |
20220103783 | HIGH-FIDELITY FREEZE-FRAME FOR PRECISION VIDEO COMMUNICATION APPLICATIONS - Techniques are provided by which a receiver of a video stream signals to the sender to freeze the video input at a certain frame, and the sender responds by adapting its encoding methods to progressively improve the quality of the sent static image. A method includes receiving at a first device a first freeze-frame request initiated by the second device. The first freeze-frame request indicates that a user of the second device requests a high-fidelity freeze-frame of a first frame of the encoded video stream from the first device. A first sequence of encoded video frames of the first frame is generated for a high-fidelity freeze-frame. Each encoded video frame of the first sequence is of progressively higher fidelity of the first frame. | 2022-03-31 |
20220103784 | VIRTUAL CONFERENCE VIEW FOR VIDEO CALLING - A method for video calling comprises, at a server computing system, receiving a plurality of segmented participant video streams from a plurality of client computing devices, each segmented participant video stream depicting a different human participant participating in a video call. One or more priority parameters for each of the plurality of human participants are recognized. One or more human participants are ranked based on a cumulative participant priority for each of the plurality of human participants. The plurality of segmented participant video streams are composited into a virtual conference view that displays each of the ranked one or more human participants at a virtual position based on their cumulative participant priority, such that human participants having higher cumulative participant priorities are displayed more prominently than human participants having lower cumulative participant priorities. The virtual conference view is sent to the plurality of client computing devices. | 2022-03-31 |
20220103785 | DYNAMICALLY MODIFYING LIVE VIDEO STREAMS FOR PARTICIPANT DEVICES IN DIGITAL VIDEO ROOMS - This disclosure describes a video room system that can efficiently and flexibly generate and facilitate video rooms for video chatting between participant devices by prioritizing video streams to provide to participant devices based on performance parameters. For example, the video room system can provide different video room streams to different participant devices based on the performance parameters of the participant devices. In addition, the video room system can customize or tailor video room streams based on identifying dominant speaker devices, determining connections between participant devices as indicated by a social graph of a social networking system, and/or based on join methods utilized by participant devices to join a video room. | 2022-03-31 |
20220103786 | DYNAMICALLY MODIFYING LIVE VIDEO STREAMS FOR PARTICIPANT DEVICES IN DIGITAL VIDEO ROOMS - This disclosure describes a video room system that can efficiently and flexibly generate and facilitate video rooms for video chatting between participant devices by prioritizing video streams to provide to participant devices based on performance parameters. For example, the video room system can provide different video room streams to different participant devices based on the performance parameters of the participant devices. In addition, the video room system can customize or tailor video room streams based on identifying dominant speaker devices, determining connections between participant devices as indicated by a social graph of a social networking system, and/or based on join methods utilized by participant devices to join a video room. | 2022-03-31 |
20220103787 | DYNAMICALLY MODIFYING LIVE VIDEO STREAMS FOR PARTICIPANT DEVICES IN DIGITAL VIDEO ROOMS - This disclosure describes a video room system that can efficiently and flexibly generate and facilitate video rooms for video chatting between participant devices by prioritizing video streams to provide to participant devices based on performance parameters. For example, the video room system can provide different video room streams to different participant devices based on the performance parameters of the participant devices. In addition, the video room system can customize or tailor video room streams based on identifying dominant speaker devices, determining connections between participant devices as indicated by a social graph of a social networking system, and/or based on join methods utilized by participant devices to join a video room. | 2022-03-31 |
20220103788 | DYNAMICALLY MODIFYING LIVE VIDEO STREAMS FOR PARTICIPANT DEVICES IN DIGITAL VIDEO ROOMS - This disclosure describes a video room system that can efficiently and flexibly generate and facilitate video rooms for video chatting between participant devices by prioritizing video streams to provide to participant devices based on performance parameters. For example, the video room system can provide different video room streams to different participant devices based on the performance parameters of the participant devices. In addition, the video room system can customize or tailor video room streams based on identifying dominant speaker devices, determining connections between participant devices as indicated by a social graph of a social networking system, and/or based on join methods utilized by participant devices to join a video room. | 2022-03-31 |
20220103789 | METHOD FOR SHARING IMAGES BETWEEN VEHICLES - The present invention relates to a method for allowing vehicles driving on a road to share captured images with each other. At least one from among an autonomous vehicle, a user terminal, and a server of the present invention can be linked with an artificial intelligence module, a drone (unmanned aerial vehicle, UAV), a robot, an augmented reality (AR) device, a virtual reality (VR) device, a device related to a | 2022-03-31 |
20220103790 | FACILITATION OF COLLABORATIVE MONITORING OF AN EVENT - A collaborative video camera system of an edge node can be used to track and predict objects, locations of the objects, and events associated therewith. For example, multiple cameras can be utilized to determine the direct in which an object is heading. This data can be used to activate and/or dispatch other cameras that may be at or near the predicted location of the object. Additionally, sound associated with the object can be used to predict and/or active cameras that are at or near the predicted location of the object. | 2022-03-31 |
20220103791 | PROJECTION SYSTEM - A projection system can include a first modulator including a plurality of pixels in a first modulator surface, a second modulator including a plurality of pixels in a second modulator surface, and an intermediate imaging optical unit, which images the first modulator surface onto the second modulator surface, wherein the intermediate imaging optical unit includes a first lens having a convex side and wherein the convex side of the first lens is a free-form surface, which is not spherical and not rotationally symmetric and does not exhibit any mirror symmetry. | 2022-03-31 |
20220103792 | IMAGE SLICING TO GENERATE IN PUT FRAMES FOR A DIGITAL MICROMIRROR DEVICE - Example apparatus described herein include a first circuit configured to slice an input image frame into input image slices, the first circuit including first outputs configured to output the input image slices. Described example apparatus also include digital light processing controllers (DLPCs) including first inputs coupled to the first outputs, the digital light processing controllers configured to process the input image slices to produce output image slices, the digital light processing controllers including second outputs configured to output the output image slices. Described example apparatus further include a second circuit including second inputs coupled to the second outputs, the second circuit configured to combine the output image slices to generate image frame data to provide to an input of a digital micromirror device (DMD). | 2022-03-31 |
20220103793 | CINEMA PROJECTION METHOD AND SYSTEM - A cinema projection method and system are provided, to perform GDR transformation on an original DCP while keeping a luminance component value of pure black unchanged. A transformed DCP has a brighter display luminance than the original DCP, and a display luminance of pure black remains unchanged. By adjusting the PWM, the brightness of a screen display is reduced. To ensure that the transformed DCP has a consistent display luminance with the original DCP, a luminance adjustment consistency mapping model of a local cinema is used to transform a standard PWM level of each frame of the original DCP, to obtain a local PWM level of each frame of the local cinema. | 2022-03-31 |
20220103794 | PROJECTION DEVICE FOR DISPLAYING CONSTRUCTION PLANS - A projection device for displaying construction plans comprises a projector head having projection optics, a laser module, a first minor galvanometer redirecting incident light from the laser module toward a second minor galvanometer that redirects further the incident light toward the projection optics. A memory device stores one or more construction plans. A controller operatively connected to the laser module, the two minor galvanometers, and the memory device chooses a construction plan to be displayed from the memory device, selectively activates the laser module, and selectively causes the first and second mirror galvanometers to follow a path defined by the chosen construction plan concurrently with the selective activation of the laser module so that the incident light redirected toward the projection optics selectively forms a projection of the construction plan on a construction site. | 2022-03-31 |
20220103795 | ELECTRONIC DEVICE AND METHOD FOR GENERATING IMAGES BY PERFORMING AUTO WHITE BALANCE - An electronic device and method are disclosed. The electronic device includes a camera, a memory and at least one processor. The processor implements the method, including: acquiring image data through a camera, partitioning, by at least one processor, the acquired image data into a first region and a second region according to a designated scheme, acquiring a first auto-white-balancing (AWB) parameter of the first region and a second AWB parameter of the second region, and executing AWB on the image data using both the first AWB parameter and the second AWB parameter. | 2022-03-31 |
20220103796 | ASSIGNING NEW NUMBERS TO DISPLAY ELEMENTS OF AN AUTOSTEREOSCOPIC DISPLAY - A processor system and computer-implemented method are provided for assigning view numbers to display elements of an autostereoscopic display for use in interleaving image data of different viewpoints of a scene on the basis of said assigned view numbers. The assignment is performed in an efficient yet accurate manner and may be easily adapted to different optical designs of such autostereoscopic displays, for example, in terms of pitch and/or slant of the optical elements used in such autostereoscopic displays, or to different sub-pixel layouts of the display panel. | 2022-03-31 |
20220103797 | Integrated Spatial Phase Imaging - In a general aspect, integrated spatial phase imaging is described. In some aspects, an integrated imaging system includes a sensor device and one or more processors. The sensor device is configured to generate a first set of data indicative of a first set of attributes of an object and a second set of data indicative of a second set of attributes of the object. The one or more processors are configured to: generate a first set of primitives based on the first set of data; generate a second set of primitives based on the second set of data; generate a combined data set based on the first set of primitives and the second set of primitives; and determine a plurality of features of the object based on the combined data set. | 2022-03-31 |
20220103798 | DEPTH-BASED IMAGE STABILIZATION - Depth information can be used to assist with image processing functionality, such as image stabilization and blur reduction. In at least some embodiments, depth information obtained from stereo imaging or distance sensing, for example, can be used to determine a foreground object and background object(s) for an image or frame of video. The foreground object then can be located in later frames of video or subsequent images. Small offsets of the foreground object can be determined, and the offset accounted for by adjusting the subsequent frames or images. Such an approach provides image stabilization for at least a foreground object, while providing simplified processing and reduce power consumption. Similarly processes can be used to reduce blur for an identified foreground object in a series of images, where the blur of the identified object is analyzed. | 2022-03-31 |
20220103799 | IMAGE DATA PROCESSING METHOD AND APPARATUS, IMAGE PROCESSING CHIP, AND AIRCRAFT - Embodiments of the present invention relate to the technical field of image processing, and disclose an image data processing method and apparatus, an image processing chip, and an aircraft. The method comprises: receiving K channels of image data; performing splitting processing on the L channels of second image data in the K channels of image data to obtain M channels of third image data; performing format conversion processing on the (N−M) channels of first image data and the M channels of third image data to obtain a color image in a preset format; and performing image processing on a gray part component of the color image in the preset format to obtain a depth map. The method can better meet the requirements of multi-channel image data processing. | 2022-03-31 |
20220103800 | SYSTEMS, METHODS AND APPARATUS FOR COMPRESSING VIDEO CONTENT - A device includes a processor that is configured to obtain first facets of a first wide field-of-view image. An object is identified in a facet of the first facets. A second wide field-of-view image is obtained. A location of the object is identified in the second wide field-of-view image. Using the location of the object, the second wide field-of-view image is partitioned into second facets such that no boundary of any of the second facets overlaps the object. The second facets are then encoded in a compressed bitstream. | 2022-03-31 |
20220103801 | RAPID GROUND-PLANE DISCRIMINATION IN STEREOSCOPIC IMAGES - A stereoscopic vision system captures stereoscopic images. The stereoscopic images are processed to rapidly discriminate between portions of the images that are on a ground-plane and those that are off the ground plane. The discrimination is based on comparing locations within the images using an expected disparity shift. | 2022-03-31 |
20220103802 | EYEWEAR WITH STRAIN GAUGE ESTIMATION - Eyewear including a sensor integrated into frame of eyewear. In one example, the sensor comprises a strain gauge, such as a metallic foil gauge, that is configured to sense and measure distortion of the frame when worn by a user and under different force profiles, by measuring a strain in the frame when bent. The measured strain by strain gauge is sensed by a processor, and the processor performs dynamic calibration of image processing based on the measured strain. The distortion measured by the strain gauge is used by the processor to correct calibration of the cameras, and the displays. | 2022-03-31 |
20220103803 | Privacy display apparatus - An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. The directional backlight may be arranged to switch between at least a first wide angular luminance profile mode and a second narrow angular luminance profile mode. The directional backlight is arranged to illuminate an LCD with a bias electrode arranged to switch liquid crystal directors in black state pixels between a first wide angular contrast profile mode and a second narrow angular contrast profile mode. Performance of privacy operation for off-axis snoopers is enhanced in comparison to displays with only directional backlights or switchable contrast properties. | 2022-03-31 |
20220103804 | AUTOSTEREOSCOPIC DISPLAY - The invention relates to a display design wherein the space between the pixels of a display panel, the black matrix, is not magnified together with other content. The visibility of particularly smaller objects such as e.g. letters is thus increased. | 2022-03-31 |
20220103805 | DISPLAY APPARATUS USING SIGHT DIRECTION TO ADJUST DISPLAY MODE AND OPERATION METHOD THEREOF - A display apparatus and an operation method thereof are provided. The display apparatus includes a 3D display module, a camera, and a processing circuit coupled to the 3D display module and the camera. The camera is configured to shoot a viewing field of the 3D display module to generate a photo. The processing circuit is configured to output an image stream to the 3D display module to display a screen, and recognize the photo to obtain a face direction and a sight direction of a person in the viewing field. The processing circuit determines whether to enable a vestibulo-ocular reflex (VOR) compensation mode for the image stream according to the face direction and the sight direction. | 2022-03-31 |
20220103806 | RESONANT TESTING SYSTEM AND RESONANT TESTING METHOD - A resonant testing system for testing a device under test, including a processing circuit, a microphone array and a camera is disclosed. The processing circuit generates a scanning frequency signal and transmits the scanning frequency signal to the device under test, which plays sound based on the scanning frequency signal. The microphone array includes several microphones, each of the microphones receives the sound played by the device under test, and the microphone array outputs several audio signals corresponding to the microphones. The camera captures a real time image signal of the device under test, and transmits the real time image signal to the processing circuit. The processing circuit computes resonant positions and resonant levels according to the audio signals, and combines the resonant positions, the resonant levels and the real time image signal to generate a real time resonant result. A resonance testing method is disclosed. | 2022-03-31 |
20220103807 | METHOD AND APPARATUS FOR VIDEO CODING - Aspects of the disclosure include methods, apparatuses, and non-transitory computer-readable storage mediums for video encoding/decoding. An apparatus includes processing circuitry that decodes prediction information of a current block in a current picture that is a part of a coded video bitstream. The prediction information indicates a non-directional intra prediction mode for the current block. The processing circuitry partitions the current block into a plurality of partitions. The plurality of partitions includes at least one L-shaped partition. The processing circuitry reconstructs one of the plurality of partitions based on at least one of (i) neighboring reconstructed samples of the one of the plurality of partitions or (ii) neighboring reconstructed samples of the current block. | 2022-03-31 |
20220103808 | SBTMVP-BASED IMAGE OR VIDEO CODING - According to the disclosure of this document, in subblock-based temporal motion vector prediction (sbTMVP), a subblock position for deriving a motion vector in units of a subblock can be efficiently calculated, and through this, video/image coding efficiency can be improved and hardware implementation can be simplified. | 2022-03-31 |
20220103809 | IMAGE DECODING METHOD AND DEVICE FOR DERIVING WEIGHT INDEX INFORMATION FOR GENERATION OF PREDICTION SAMPLE - According to the disclosure of the present document, when the inter prediction type of a current block indicates bi-prediction, weight index information for candidates in a merge candidate list or a sub-block merge candidate list can be derived, and thus coding efficiency can be increased. | 2022-03-31 |
20220103810 | IMAGE DECODING METHOD AND APPARATUS FOR DERIVING WEIGHT INDEX INFORMATION FOR WEIGHTED AVERAGE WHEN BI-PREDICTION IS APPLIED - According to a disclosure of the present document, when the type of inter-prediction of a current block is indicated as biprediction, weight index information for a candidate within a merge candidate list or a sub-block merge candidate list may be derived, and coding efficiency may be increased. | 2022-03-31 |
20220103811 | EXTENDED MOTION INFORMATION COMPARISON - In some coding modes, such as the merge mode, a list of motion candidates is generated using spatial or temporal neighboring blocks or constructed ones, and one of the motion candidates is inherited by the current block. When constructing the list of motion candidates, motion information of a candidate to be added is checked to limit the redundancy in the constructed list. In one implementation, the switchable interpolation filter, the IFindex becomes part of the motion information to be used in comparison since it can modify the resulting prediction. Furthermore, the GBiIdx indicating the weights used in bi-prediction can also be part of the motion information to be compared and could also be taken into account in the redundancy check. In general, all or part of motion information that causes different prediction can be used in redundancy check. | 2022-03-31 |
20220103812 | METHOD OF DECODING INTRA PREDICTION DATA - A video coding device may be configured to perform intra prediction coding according to one or more of the techniques described herein. | 2022-03-31 |
20220103813 | CODING OF INTRA-PREDICTION MODES - Apparatus configured to derive a set-selective syntax element indicating whether the predetermined block is to be predicted using one of a first set of intra-prediction modes comprising a DC intra prediction mode and angular prediction modes. If the set-selective syntax element indicates that the predetermined block is to be predicted using one of the first set of intra-prediction modes, the apparatus is configured to use a list of most probable intra-prediction modes. If the set-selective syntax element indicates that the predetermined block is not to be predicted using one of the first set of intra-prediction modes, the apparatus is configured to use a matrix-based intra-prediction mode. The list of most probable intra-prediction modes is formed such that the list of most probable intra-prediction modes is free of the DC intra prediction mode in case of the neighbouring blocks being predicted by any of the angular intra prediction modes. | 2022-03-31 |
20220103814 | SINGLE PASS FILTER COEFFICIENTS SELECTION - Techniques for encoding and decoding media content, and more specifically to selecting filter coefficients for filtering coding artifacts from the encoded media content are described. The filter coefficients are selected by an encoder for a given frame based on a statistical record of one or more previous frames in a data stream. The statistical record indicates the effectiveness of different sets of filter coefficients in reducing encoding artifacts for the one or more previous frames. By employing the statistical record to select filter coefficients for the next frame in the data stream, the encoder is able to select the filter coefficients relatively quickly, reducing encoding latency while ensuring that a decoder is able to effectively decode the encoded frames. | 2022-03-31 |
20220103815 | RESTRICTIONS ON ADAPTIVE-LOOP FILTERING PARAMETER SETS - Devices, systems and methods for digital video coding, which includes in-loop reshaping for video coding, are described. An exemplary method for video processing includes performing a conversion between a video comprising one or more video data units and a bitstream representation of the video, the bitstream representation conforming to a format rule that specifies an inclusion of side information indicative of default parameters for a coding mode that is applicable to a video block of the one or more video data units for which the coding mode is enabled, and the side information providing parameters for constructing the video block based on a representation of the video block in an original domain and a reshaped domain and/or a luma-dependent scaling of a chroma residue of a chroma video block. | 2022-03-31 |
20220103816 | FILTERING PROCESS FOR VIDEO CODING - An example device for filtering decoded video data includes a memory configured to store video data; and one or more processors implemented in circuitry and configured to: decode a block of video data to form a decoded block; apply a filter to the decoded block to form a filtered block; multiply samples of the filtered block by a scaling factor to form a refined filtered block; and combine samples of the refined filtered block with corresponding samples of the decoded block. The one or more processors may further encode the block prior to decoding the block. The one or more processors may encode or decode a value of a syntax element representing the scaling factor, e.g., in a picture header of a picture including the block. | 2022-03-31 |
20220103817 | HANDLING VIDEO UNIT BOUNDARIES AND VIRTUAL BOUNDARIES - A method of video processing includes determining, for a conversion between a picture of a video that includes one or more blocks and a bitstream representation of the video, whether a virtual boundary is enabled for a block within the picture for a filtering process based on a rule related to a relationship between a bottom boundary of the block and the picture. The method also includes performing the conversion based on the determining. | 2022-03-31 |
20220103818 | METHOD FOR ENCODING/DECODING IMAGE SIGNAL AND APPARATUS THEREFOR - An image signal decoding method according to an embodiment of the present disclosure comprises the steps of: splitting a current picture into a plurality of tiles; decoding split information indicating a slice type, wherein the split information indicates whether a rectangular slice is to be applied; and when the split information indicates that the rectangular slice is to be applied, determining a slice on the basis of information indicating the size of a slice. | 2022-03-31 |
20220103819 | IMAGE SIGNAL ENCODING/DECODING METHOD AND DEVICE FOR SAME - An image decoding method according to the present invention may include splitting a picture into a plurality of tiles; and determining at least one slice on the basis of the plurality of tiles. Here, splitting a picture into a plurality of tiles may include: determining the width of a first tile column in the picture; and determining the width of a second tile column neighboring the first tile column. | 2022-03-31 |
20220103820 | ENCODER, DECODER, METHODS AND COMPUTER PROGRAMS WITH AN IMPROVED TRANSFORM BASED SCALING - Decoder for block-based decoding of an encoded picture signal using transform decoding, configured to select for a predetermined block a selected transform mode, entropy decode a block to be dequantized, which is associated with the predetermined block according to the selected transform mode, from a data stream and dequantize the block to be dequantized using a quantization accuracy, which depends on the selected transform mode, to obtain a dequantized block. | 2022-03-31 |
20220103821 | IMAGE DECODING METHOD BASED ON CHROMA QUANTIZATION PARAMETER DATA, AND APPARATUS THEREFOR - An image decoding method performed by a decoding apparatus according to the present document comprises the steps of: obtaining a flag indicating whether quantization parameter data for combined chroma coding is present on the basis of a type of chroma; obtaining the quantization parameter data for the combined chroma coding on the basis of the flag; deriving a chroma quantization parameter table on the basis of the quantization parameter data; deriving a quantization parameter for the combined chroma coding on the basis of the chroma quantization parameter table; deriving residual samples on the basis of the quantization parameter; and generating a reconstructed picture on the basis of the residual samples. | 2022-03-31 |
20220103822 | ENCODER, A DECODER AND CORRESPONDING METHODS OF CHROMA QANTIZATION CONTROL - A method of obtaining quantization parameter (QP) for chrominance components based on QP for luminance component, wherein the method is performed by a decoder or encoder, and wherein the method comprises obtaining a luminance QP for a luma component of a coding unit; obtaining a QP index (QPi) based at least in a part on the luminance QP; and obtaining a chrominance QP (QPc) for a chroma component of the coding unit based on the QP index by using a preset lookup table, wherein the maximum difference between the QP index and the chrominance QP is equal to 3. | 2022-03-31 |
20220103823 | MULTI-QUALITY VIDEO SUPER RESOLUTION WITH MICRO-STRUCTURED MASKS - A method, computer program, and computer system is provided for encoding and decoding video data. Video data in a first resolution and a quality of the video data are received. One or more first weight coefficients of first layers a neural network and one or more binary masks for the one or more first weight coefficients are generated. One or more second weight coefficients of second layers of the neural network are generated based on the received quality of the video data. The video data is decoded in a second resolution by performing a convolution on the received video data in the first resolution using the generated one or more first weight coefficients that are masked by the generated one or more binary masks and using the generated one or more second weight coefficients. | 2022-03-31 |
20220103824 | VIDEO CODING METHOD BASED ON SECONDARY TRANSFORM, AND DEVICE THEREFOR - A video decoding method according to the present document comprises the steps of: deriving transform coefficients by performing de-quantization on the basis of quantized transform coefficients for a target block; deriving modified transform coefficients on the basis of an inverse reduced secondary transform (RST) of the transform coefficients; and generating a reconstructed picture on the basis of residual samples for the target block on the basis of an inverse primary transform of the modified transform coefficients, wherein an inverse RST using a transform kernel matrix is performed on transform coefficients of an upper-left 4×4 region of an 8×8 region of the target block, and modified transform coefficients of the upper-left 4×4 region, an upper-right 4×4 region, and a lower-left 4×4 region of the 8×8 region are derived through the inverse RST. | 2022-03-31 |
20220103825 | CONSTRAINING OPERATIONAL BIT DEPTH OF ADAPTIVE LOOP FILTERING FOR CODING OF VIDEO DATA AT DIFFERENT BIT DEPTH - Example devices and techniques for coding video data are described. An example device includes memory configured to store the video data and one or more processors implemented in circuitry and communicatively coupled to the memory. The one or more processors being configured to adjust an input bit depth of reconstructed samples of video data to a fixed bit depth, wherein the fixed bit depth is different than the input bit depth. The one or more processors are configured to classify the reconstructed samples at the fixed bit depth and determine a filter based on the classification. The one or more processors are configured to adaptive loop filter the reconstructed samples at the input bit depth based on the determined filter and process the adaptively loop filtered samples. | 2022-03-31 |
20220103826 | ENCODING/DECODING METHOD AND APPARATUS FOR MOTION VECTOR INFORMATION - The present application provides a method for encoding motion vector information, including: determining, for a current block, one or more combinations of motion vector predictions and motion vector resolutions, based on a correspondence between motion vector resolutions in an MVR (motion vector resolution) list and motion vector predictions in a history-based motion vector prediction list; determining a combination of a motion vector resolution and a motion vector prediction for the current block from the determined one or more combinations; determining, for the current block, a prediction vector difference based on the motion vector prediction and the motion vector information of the current block; and encoding, into a bitstream, at least the final motion vector resolution information indicating the motion vector resolution and the motion vector prediction and motion vector difference information indicating the prediction vector difference. | 2022-03-31 |
20220103827 | SUB-REGION BASED DETERMINATION OF MOTION INFORMATION REFINEMENT - Devices, systems and methods for video processing are described. In one aspect, a video processing method is provided to include determining, for a conversion between a current video block of a video and a coded representation of the video, that a motion information of the current video block is refined using an optical flow-based method in which at least one motion vector offset is derived for a region within the current video block; clipping the at least one motion vector offset to a range [−N,M], wherein N and M are integers based on a rule; and performing the conversion based on at least one clipped motion vector offset. | 2022-03-31 |
20220103828 | MOTION CANDIDATE LIST CONSTRUCTION FOR VIDEO CODING - A method of video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, an operation associated with a list of motion candidates based on a condition related to a characteristic of the current block. The list of motion candidates is constructed for a coding technique or based on information from previously processed blocks of the video. The method also includes performing the conversion based on the determining. | 2022-03-31 |
20220103829 | RESTRICTIONS ON MOTION VECTOR DIFFERENCE - Restrictions on motion vector difference are disclosed. In one example method of video processing, performing a conversion between a first block of video and a bitstream representation of the first block based on a constrained signaled MVD component associated with the first block, wherein value of the signaled motion vector difference (MVD) component is constrained in a predetermined range. | 2022-03-31 |
20220103830 | METHOD AND DEVICE FOR IMAGE CODING USING MOTION VECTOR - According to embodiments of the present document, symmetric motion vector differences (SMVDs) and merge mode motion vector differences (MMVDs) according to an inter prediction mode may be performed on the basis of reference picture types and, particularly, short term reference pictures may be used. Therefore, prediction performance and coding efficiency in the inter prediction mode can be improved. | 2022-03-31 |
20220103831 | INTELLIGENT COMPUTING RESOURCES ALLOCATION FOR FEATURE NETWORK BASED ON FEATURE PROPAGATION - The present disclosure relates to a method for scheduling computation resources for generating feature maps for video. The method comprises determining runtime for generating feature maps of a reference picture and a predicted picture, determining available computation resources for generating the feature maps, and allocating, based on the runtime, one or more computation resources among the available computation resources for generating the feature maps such that the feature maps are generated at regular time intervals. | 2022-03-31 |
20220103832 | METHOD AND SYSTEMS FOR OPTIMIZED CONTENT ENCODING - An encoder (e.g., a Versatile Video Coding (VVC) encoder, etc.) may make real-time encoding decisions to vary a bitrate of a content item (e.g., high-resolution video, streaming content, a movie, a show/program, etc.) by upsampling and/or downsampling portions (e.g., frames/slices, group of pictures (GOP), coding units (CU), coding tree units (CTU), etc.) based on a cost function that utilizes a versatile Lagrangian multiplier (denoted as A) to denote the versatility). The versatile Lagrangian multiplier may not only account for the effects of quantization (e.g., a quantization parameter (QP), etc.) on portions of the content item, instead, the versatile Lagrangian multiplier may also be based on adjustment parameters associated with content resolution and/or playback quality of experience (QoE). The versatile Lagrangian multiplier enables a substantial decrease in transmission bitrate for portions of a content item without reducing the visual presentation quality and keeping an end-user quality of experience (QoE) at an optimal level. | 2022-03-31 |
20220103833 | VIDEO ENCODING AND VIDEO DECODING - Decoding of a merge-predicted block is carried out, for triangular partitions of the block, using a combination of inter-prediction and intra-prediction. The combination of inter-prediction and intra-prediction to be used is signalled on a received bitstream. Combination may be algorithmic, for example arithmetic. | 2022-03-31 |
20220103834 | MOTION CANDIDATE LIST CONSTRUCTION USING NEIGHBORING BLOCK INFORMATION - A visual media processing method includes determining, for a conversion between a first video block of a visual media data and a bitstream representation of the visual media data, an availability of a second video block of the visual media data using a rule; and performing the conversion based on the determining, wherein the rule is at least based on a coding mode used for coding the first video block into the bitstream representation, wherein the rule specifies disallowing motion information of the second video block from being used in a merge list construction of the first block by treating the second video block as unavailable. | 2022-03-31 |
20220103835 | METHOD AND APPARATUS FOR INTRA MODE CODING - A method of and an apparatus for controlling intra prediction for decoding of a video sequence are provided. The method includes determining a ratio of a width to a height of a coding unit, and based on the determined ratio being different than one, adding, to a table including intra prediction modes corresponding to intra prediction angles, first wide angles toward a bottom-left edge of the coding unit, second wide angles toward a top-right edge of the coding unit, and additional intra prediction modes respectively corresponding to the first wide angles and the second wide angles. The method further includes selecting, for decoding the video sequence, one of the intra prediction modes and the additional intra prediction modes added to the table. | 2022-03-31 |
20220103836 | METHOD AND APPARATUS OF STARTING PICTURE DISPLAY OF DISPLAY DEVICE, AND DISPLAY DEVICE - Embodiments of the present disclosure provide a method and apparatus of starting a picture display of a display device, and a display device. The display device includes a display panel. The method includes: receiving a first video data for an image display, in response to receiving a start signal; setting display parameters of the display panel by using a control data in the first video data; and transmitting a second video data to the display panel for a LOGO display. | 2022-03-31 |