Class / Patent application number | Description | Number of patent applications / Date published |
358447000 | Signal enhancing | 21 |
20090009819 | IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREOF - An image area of a main scanning line is segmented into a plurality of regions, with a first image being formed that has a first number of pixels in each of the plurality of regions, and a second image being formed that has a second number of pixels in each of the plurality of regions that differs from the first number of pixels. A scaling factor of an image in each of the plurality of regions is derived thereafter, in accordance with a difference in size between the first image and the second image in each region, and a differential between the first number of pixels and the second number of pixels. A determination is made with respect to a number of pixels to be either added to, or subtracted from, each of the plurality of regions, in accordance with a total number of correction pixels in order to adjust the size of the image of the main scanning line, and the scaling factor. The image data of each of the plurality of regions is corrected in accordance with the determined number of pixels in each region. | 01-08-2009 |
20090153913 | Method For Providing Enhancement With An Imaging Apparatus - A method for providing image enhancement with an imaging apparatus includes imaging a target a plurality of times to generate a corresponding plurality of image data sets; averaging the image data sets on a pixel-by-pixel basis to generate a final image data set corresponding to the target; and generating an output image of the target based on the final image data set. | 06-18-2009 |
20090161169 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, PROGRAM EXECUTING IMAGE PROCESSING METHOD, AND STORAGE MEDIUM - An image processing apparatus including an area sensor unit reading image data items corresponding to frames from an original image, a correction unit correcting the inclinations of the image data items, a high-resolution conversion unit acquiring image data with a resolution higher than the pixel sensor's resolution through interpolation, a maximum frame number storage unit storing data of the maximum number of frames of the acquired image data items, a resolution setting unit setting a resolution for outputting the original image, a necessary frame number acquisition unit acquiring the number of frames necessary to perform the high resolution conversion based on the setting result, a read frequency calculation unit calculating the frequency of reading the original image through the necessary frame number acquisition unit and the maximum frame number storage unit, and a read frequency control unit reading the determined frequency and the original image is provided. | 06-25-2009 |
20090296164 | IMAGE FORMING APPARATUS AND STABILIZATION CONTROL METHOD - Disclosed is an image forming apparatus including: a density nonuniformity correction section to execute a density nonuniformity correction processing in a main scanning direction to image data which is input; and a control section to control an execution of a stabilization control processing, and to control an execution of the density nonuniformity correction processing by the density nonuniformity correction section, wherein the control section sets a correction function of the density nonuniformity correction section to be invalid when the stabilization control processing is regularly executed. | 12-03-2009 |
20090316216 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - In the present invention, paper fingerprint information of a document is read (step | 12-24-2009 |
20100053694 | IMAGE READING APPARATUS AND INFORMATION PROCESSING APPARATUS, AND IMAGE READING METHOD AND INFORMATION PROCESSING METHOD - An image scanner is provided with a super-resolution processing function for generating a high-resolution image using multiple pieces of low-resolution image data. The scanner device then measures an initial MTF value without performing the super-resolution processing, refers to an MTF properties table in which is registered a number of pieces of low-resolution image data for a scanner device of that type to achieve a pre-set target MTF, and registers the number of images that corresponds to the initial MTF value in the scanner, if that number is present, and registers an interpolated value if that number is not present. The image scanner then performs the super-resolution processing using the registered number of pieces of low-resolution image data, and outputs image data of a target resolution. | 03-04-2010 |
20100073732 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a high-resolution converting unit configured to use image data of a plurality of frames of images in which positions read by a sensor are shifted by less than one pixel in a main scanning direction and/or a sub-scanning direction to generate image data having resolution higher than resolution of the sensor, an image region information generating unit configured to generate image region information corresponding to the image data read by the sensor, and an image region information high-resolution converting unit configured to convert a format of the image region information generated by the image region information generating unit and to perform a high-resolution conversion on the image region information using the high-resolution converting unit in such a way as to cause the image region information to correspond to the image data having the resolution higher than the resolution of the sensor. | 03-25-2010 |
20100259798 | IMAGE READING APPARATUS, CONTROL METHOD THEREOF, AND IMAGE FORMING APPARATUS - According to one embodiment, a difference in output at connecting positions among line sensors of a CCD sensor is removed by adjusting the gains of gain amplifiers. | 10-14-2010 |
20100290092 | IMAGE INTERPOLATION APPARATUS AND A COMPUTER READABLE STORAGE MEDIUM STORING INSTRUCTIONS OF A COMPUTER PROGRAM - An image interpolation apparatus includes an extracting unit, temporal interpolation calculators, pattern matching units, and an output unit. The extracting unit extracts pixels around the missing pixels in order to form a basic frame and comparative frames. Each temporal interpolation calculator corresponds to each comparative frame, and calculates a temporal interpolated pixel for each comparative frame based on signal levels and variation of the signal levels. Each pattern matching unit corresponds to each comparative frame, inserts the temporal interpolated pixel of each comparative frame to the missing pixel, calculates difference of between each of the pixels in the basic frame and each of the corresponding pixels in the comparative frame, and sums up the differences for all pixels in absolute value to obtain sums for all comparative frames respectively. The output unit outputs the temporal interpolated pixel having a minimum sum among the sums as a final interpolated pixel. | 11-18-2010 |
20120113479 | IMAGE READING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE READING METHOD - An image reading apparatus includes an image reading unit that includes plural photoelectric conversion elements arranged therein and that reads an image using light, the light being reflected by a document transported to a read position and being received by the plural photoelectric conversion elements, a reference plate that is disposed at the read position, a correction data generating unit that generates correction data by modifying second reference data on the basis of a ratio of first reference data to the second reference data, the first reference data being obtained by the image reading unit using light reflected by the reference plate in a clean state, the second reference data being obtained by the image reading unit using light reflected by the reference plate before reading an image, and an image correcting unit that corrects the image on the basis of the correction data generated by the correction data generating unit. | 05-10-2012 |
20120154874 | DOCUMENT READING APPARATUS AND IMAGE PROCESSING METHOD - A document reading apparatus, including: a conveyance portion which conveys a document; an illuminator which illuminates the conveying document; a reading portion which reads the conveying document at a read position; a reference member arranged opposite to the read position; a correction condition calculating portion which calculates a correction condition corresponding to each of a plurality of pixel positions based on image data obtained by the reading portion reading the reference member; and a correction portion which corrects image data of the document using the correction condition, wherein the correction condition calculating portion obtains a plurality of image data of the reference member corresponding to a first pixel position and its peripheral pixel position, and calculates a correction condition at the first pixel position based on remaining image data after excluding high brightness image data and low brightness image data. | 06-21-2012 |
20120154875 | IMAGE PROCESSING APPARATUS, METHOD FOR CONTROLLING THE SAME, AND PROGRAM - Image data corresponding to a plurality of documents placed on a document plate is individually output. In this case, if an inclined document is included in the documents, the document is output after being subjected to inclination correction. However, if a document which does not accept the inclination correction is included, documents other than the document are output. | 06-21-2012 |
20120212787 | CONTROLLING DEVICE - A controlling device may determine an output resolution according to one type of file format selected from a plurality of types of file format. The output resolution may be a resolution of image data to be included in a target file of a generation target. The plurality of types of file format may include a first type of file format and a second type of file format. The controlling device may determine a first resolution as the output resolution in a first case where the selected file format is the first type of file format, and determine a second resolution different from the first resolution as the output resolution in a second case where the selected file format is the second type of file format. | 08-23-2012 |
20130057926 | IMAGE COMPENSATION IN REGIONS OF LOW IMAGE CONTRAST - To compensate an image, a profile thereof is obtained from pixel values in a marginal area of the image. A background value of the image determined from the profile and correction to the image is performed in accordance with the background value and the profile. | 03-07-2013 |
20130120802 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - Provided is an image processing apparatus and image processing method that make it possible to reduce jaggedness and blurring that may occur when performing resolution conversion of an inputted image from low resolution to high resolution, and make it possible to output a high-resolution image. When performing the conversion from low resolution to high resolution, a multi-gradation signal value pattern that surround a pixel of interest for which interpolation is being performed is acquired. By performing pattern matching, a pattern that corresponds to the acquired signal value pattern is extracted from among pattern files that are prepared in advance for the acquired signal value pattern, after which the image is converted to high resolution by signal value substitution and then outputted. | 05-16-2013 |
20130163054 | METHOD OF DETECTING FLOATING AMOUNT OF ORIGINAL FOR IMAGE READING APPARATUS, METHOD OF IMAGE PROCESSING USING THE SAME, AND IMAGE READING APPARATUS - A method detects the floating amount of an original from an original table based on image information read by an image reading apparatus having the original table on which the original is placed, a line sensor, and a lens array arranged in a direction of arrangement of pixels of the line sensor. The method includes obtaining image information of the original as line image information by performing scanning in the direction of arrangement of pixels of the line sensor, extracting a distinguishing portion from the line image information, detecting a characteristic frequency by frequency analysis of image information of the distinguishing portion, and determining the floating amount of the original from the characteristic frequency. | 06-27-2013 |
20130301086 | METHOD FOR GENERATING A DIGITAL IMAGE OF AT LEAST ONE SECTION OF A VALUE DOCUMENT - A method for generating a digital image of at least a portion of a value document, comprises transporting the portion of the value document in a specified transport direction at a specified speed, capturing pixel regions, and generating capture pixel data allocated to integration intervals. The capture pixel data of at least one of the sequences of capture pixel data are corrected. This reduces the influences of the movement of the value document in the transport direction during the capture of capture pixel data. | 11-14-2013 |
20140204428 | IMAGE PROCESSING METHOD, IMAGE PROCESSING APPARATUS, AND PROGRAM - When processing image data by referring to at least one of reference image data and correction data, an image is processed in a unit of band area by dividing image data of a target image in a plurality of band areas. In this case, the minimum transfer unit of the image data is set. The minimum transfer unit of at least one of the reference image data and the correction data is obtained to process the image data in the minimum transfer unit. The transfer rate of the image data is determined so that the image data to be buffered fits in a capacity of a buffer available in image processing. The height of the band area to be created by division is determined based on the ratio of the transfer rate of the image data to the minimum transfer unit of the image data. | 07-24-2014 |
20150070734 | IMAGE PROCESSING APPARATUS, METHOD THEREFOR, AND IMAGE READING APPARATUS - Based on attachment position information of each of a plurality of sensor units, which reads an image in each area obtained by dividing the area of an original in a sub-scanning direction, image data output from the sensor unit undergoes attachment error correction of correcting the attachment error of the sensor unit. Image data output from the plurality of sensor units then undergo joint processing. Based on the placement information of the original, tilt correction of correcting the tilt of the original is performed for the image data having undergone the joint processing. | 03-12-2015 |
20150138609 | PORTABLE DEVICE SCANNER SUPPORT WITH CONTOUR CORRECTION AND AUTOMATIC COPYING - Systems and methods use a supporting arm having a first end and a second end, and a program of scanning instructions readable by a computerized processor. The first end of the supporting arm is connected to a secondary device. The second end of the supporting arm holds a portable device comprising a camera. The camera has a field of view within which images are captured. The portable device maintains the scanning instructions. The second end of the supporting arm is positioned to hold the camera in a location, relative to the secondary device, to maintain the surface of the secondary device within the field of view of the camera. The camera of the portable device obtains images of objects placed on the surface of the secondary device when the portable device is held by the portable device holder. | 05-21-2015 |
20150319335 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND RECORDING MEDIUM STORING AN IMAGE PROCESSING PROGRAM - An image processing apparatus includes a data receiver that receive scanned image data acquired by scanning an image on a document, a plurality of document end detectors that detect an end of the document in the scanned image data using either different end detection methods or the same end detection method under different detection conditions to output end data for each detection method, a first skew calculator for each method that calculates skew of the scanned image data separately based on the end data for each method and output skew data for each method, and a second skew calculator that calculates skew of the scanned image data based on the skew data for each method. | 11-05-2015 |