Patent application number | Description | Published |
20090033588 | SYSTEM, HEAD-MOUNTED DISPLAY, AND CONTROL METHOD THEREOF | 02-05-2009 |
20090066607 | HEAD-MOUNTED DEVICE - A head-mounted device to be worn on a user's head includes a first pressing member to press, for example, an occipital region, a second pressing member to press, for example, a parietal region, and first and second linear members connected to the first and second pressing members respectively. The first and second linear members are guided so that a change in lengths of the first and second linear members causes the first and second pressing members to move in the first and second directions respectively. An adjustment unit to adjust the lengths of the first and second linear members includes first and second wind-up units connected to a rotational operation member and to wind up the first and second linear members respectively. | 03-12-2009 |
20090128450 | HEAD-MOUNTED DEVICE - A head-mounted device for mounting on the head of a user includes a first pressing member for pressing a first portion of the head from a first direction; a second pressing member for pressing a second portion of the head from a second direction that is different from the first direction; a string member that concatenates the first pressing member and the second pressing member; a structure that guides the string member so that the first and the second pressing members move in the first and the second directions, respectively, according to changes in the length of the string member; and an adjusting unit that adjusts the length of the string member. | 05-21-2009 |
20090285354 | OPTICAL COHERENCE TOMOGRAPHIC IMAGING DEVICE AND IMAGING METHOD OF OPTICAL COHERENCE TOMOGRAPHIC IMAGE - An optical tomographic imaging device and the like which suppress influence in the case of a measuring beam being truncated by an iris, and can ensure reliability of a tomographic image which is acquired, when imaging the tomographic image of a retina in an eyeground of an examined eye. An optical tomographic imaging device is configured to have an observation unit observing a state of irradiating an examined object with the measuring beam, and imaging a state of the measuring beam being incident on the examined object as an observation image, a recording unit recording the observation image by linking the observation image with a tomographic image by the optical tomographic imaging device, and an evaluating unit evaluating reliability of the tomographic image which is linked with the observation image based on the observation image imaged in the observation unit. | 11-19-2009 |
20100321700 | OPTICAL COHERENCE TOMOGRAPHIC IMAGING APPARATUS AND OPTICAL COHERENCE TOMOGRAPHIC IMAGING METHOD - A beam diameter varying portion varies a first beam diameter of a measuring beam incident on an optical portion to a second beam diameter larger than the first beam diameter. An adjustment portion adjusts a condensing position of the measuring beam on the optical portion based on intensity information of a return beam from a position of an inspection object with the first beam diameter. The beam diameter is varied from the first to the second beam diameter by the beam diameter varying portion at the position adjusted by the adjustment portion to cause the measuring beam having the second beam diameter to be incident. A condensing position can be adjusted in a relatively short time because the measuring beam small in beam diameter is used, and a combined beam can be acquired with high transverse resolution because the measuring beam large in beam diameter is used. | 12-23-2010 |
20100327028 | HEAD-MOUNTABLE APPARATUS - A head-mountable apparatus mountable on a head of an observer comprises a first pressing member which presses a first portion of the head; a second pressing member which presses a second portion of the head; and adjustment unit adapted to move the first pressing member and the second pressing member to positions where the first pressing member and the second pressing member respectively press the first portion and the second portion. | 12-30-2010 |
20110116044 | ADAPTIVE OPTICS APPARATUS, ADAPTIVE OPTICS METHOD, AND IMAGING APPARATUS - An adaptive optics apparatus includes an aberration measuring unit that measures an aberration caused by a test object, the aberration being measured on the basis of returning light that returns from the test object; an aberration correcting unit that performs aberration correction in accordance with the aberration measured by the aberration measuring unit; an irradiation unit that irradiates the test object with light corrected by the aberration correcting unit; and an acquiring unit that acquires information based on a transmittance of the test object on the basis of the aberration measured by the aberration measuring unit. | 05-19-2011 |
20110155916 | LASER APPARATUS, DRIVING METHOD OF THE SAME AND OPTICAL TOMOGRAPHIC IMAGING APPARATUS - The present invention provides a laser apparatus capable of improving a scan speed and achieving a scan rate equal to or more than 1 MHz, and an optical tomographic imaging apparatus using the laser apparatus as a light source. The laser apparatus includes a ring resonator, the ring resonator having a structure in which a first modulator, a normal dispersion region, a second modulator and an anomalous dispersion region are arranged in this order, and in this arrangement, a gain medium is included, and being configured so that modulation with respect to the second modulator can be caused to be phase modulation by periodically superimposing phase modulation on modulation with respect to the first modulator. | 06-30-2011 |
20120002214 | OPTICAL TOMOGRAPHIC IMAGING APPARATUS AND CONTROL METHOD THEREFOR - There are provided an optical tomographic imaging apparatus which detects an amount of movement of an object during imaging to reduce a deformation or a displacement in a depth direction in an acquired image. The apparatus using interference beams obtained by combining each return beam with each reference beam, the return beams being obtained by scanning the object with measuring beams, including: a unit adapted to scan the object with the measuring beams; a unit adapted to irradiate the object with the measuring beams such that regions of the object irradiated with each measuring beams are partially overlapped; a unit adapted to calculate a positional difference in a depth direction between obtained tomographic images of the overlapped parts of the regions; and a unit adapted to compute an amount of movement of the object based on the calculated positional difference in the depth direction. | 01-05-2012 |
20120242872 | OPTICAL-IMAGE PICKUP APPARATUS AND METHOD FOR CONTROLLING THE SAME - The present invention relates to an optical-image pickup apparatus including a setting unit configured to set the effective region or the resolution of a correction unit configured to correct the aberration of a subject; an aberration measuring unit configured to measure an aberration generated at the subject; and a control unit configured to control the correction unit on the basis of the measured aberration and the set effective region or the measured aberration and the set resolution. | 09-27-2012 |
20120280007 | HEAD-MOUNTED DEVICE - A head-mounted device for mounting on the head of a user includes a first pressing member for pressing a first portion of the head from a first direction; a second pressing member for pressing a second portion of the head from a second direction that is different from the first direction; a string member that concatenates the first pressing member and the second pressing member; a structure that guides the string member so that the first and the second pressing members move in the first and the second directions, respectively, according to changes in the length of the string member; and an adjusting unit that adjusts the length of the string member. | 11-08-2012 |
20120320338 | OPHTHALMOLOGIC IMAGING APPARATUS - Provided is an ophthalmologic imaging apparatus required by the position adjustment of a fixation lamp to be turned on, by a simple operation which includes: a scanning unit; an irradiation unit for irradiating an eye to be inspected with a measuring beam through the scanning unit; a fixation lamp; a lighting position changing unit for changing a lighting position of the fixation lamp; an optical path length difference changing unit for changing an optical path length difference between the measuring beam and a reference beam corresponding to the measuring beam based on the lighting position of the fixation lamp which is changed by the lighting position changing unit; and an acquisition unit for acquiring a tomographic image of the eye to be inspected based on a beam obtained by superimposing, on the reference beam, a return beam from the eye to be inspected, which is irradiated with the measuring beam. | 12-20-2012 |
20130070202 | IMAGE PROCESSING APPARATUS, OPHTHALMOLOGIC IMAGING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM - An image processing apparatus includes an identification unit configured to identify periodicity of a fundus image obtained by capturing an image of a fundus of an eye, and an information acquisition unit configured to acquire information indicating an imaging state of photoreceptor cells in the fundus image based on the periodicity. | 03-21-2013 |
20130071004 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus for processing an image of photoreceptor cells of a fundus of an eye includes a conversion unit configured to convert the image of photoreceptor cells into an image indicating periodicity of the photoreceptor cells, and an acquisition unit configured to acquire intensity information in a plurality of directions of the image indicating the periodicity. | 03-21-2013 |
20130188133 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a planar image acquisition unit configured to acquire a planar image of a subject, a tomographic image acquisition unit configured to acquire a tomographic image indicating a polarization state of the subject, and a display control unit configured to cause a display unit to display the planar image and the tomographic image indicating the polarization state side by side. | 07-25-2013 |
20130188134 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a tomographic image acquisition unit configured to acquire a polarization-sensitive tomographic image of a subject by using a polarization adjustment member which adjusts a polarization state of a measuring beam, and a display control unit configured to cause a display unit to display the polarization-sensitive tomographic image and a display form indicating a state of the polarization adjustment member. | 07-25-2013 |
20130188135 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a tomographic image acquisition unit configured to acquire a polarization-sensitive tomographic image of a subject, and an extraction unit configured to extract, from the polarization-sensitive tomographic image of the subject, a region in which a polarization state is scrambled. | 07-25-2013 |
20130188136 | IMAGING APPARATUS - An imaging apparatus includes a planar image acquisition unit configured to acquire a planar image of a subject, a tomographic image acquisition unit configured to acquire a tomographic image of the subject, and a polarization adjustment member disposed in a common optical path of a portion of an optical system in the planar image acquisition unit and a portion of an optical system in the tomographic image acquisition unit and configured to adjust polarization states of a measuring beam for the planar image and a measuring beam for the tomographic image. | 07-25-2013 |
20130188137 | IMAGING APPARATUS AND METHOD FOR CONTROLLING THE SAME - An imaging apparatus includes a polarization adjustment member configured to adjust a polarization state of a measuring beam, a planar image acquisition unit configured to acquire, in a case where the polarization adjustment member is removed from an optical path of the measuring beam, a planar image of a subject, and a tomographic image acquisition unit configured to acquire, in a case where the polarization adjustment member is inserted in the optical path of the measuring beam, a tomographic image of the subject. | 07-25-2013 |
20130188138 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a fundus image acquisition unit configured to acquire a fundus image of an eye, a tomographic image acquisition unit configured to acquire a polarization-sensitive tomographic image of the eye, and a display control unit configured to cause a display unit to display, superimposed on a position in the fundus image which corresponds to a discontinuous portion in a predetermined layer of the eye shown in the polarization-sensitive tomographic image, a display form indicating the discontinuous portion. | 07-25-2013 |
20130188139 | IMAGING APPARATUS, IMAGING METHOD, AND STORAGE MEDIUM - An imaging apparatus includes a tomographic image acquisition unit configured to acquire a tomographic image indicating a polarization state of a subject based on beams of different polarizations obtained by splitting a beam into which a return beam from the subject irradiated with a measuring beam and a reference beam corresponding to the measuring beam have been combined, and a control unit configured to control an optical path length difference between the return beam and the reference beam according to positional information of a predetermined region in the tomographic image indicating the polarization state of the subject. | 07-25-2013 |
20130188144 | CONTROL APPARATUS AND CONTROL METHOD - A control apparatus includes an irradiation unit configured to irradiate a measurement object with a measuring beam, a restriction unit configured to restrict the measuring beam from being incident on the measurement object and to reflect or scatter the measuring beam, and a polarization control unit configured to control, based on the measuring beam reflected or scattered by the restriction unit, polarization of the measuring beam. | 07-25-2013 |
20130188853 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a planar image acquisition unit configured to acquire a planar image of a subject, a tomographic image acquisition unit configured to acquire a tomographic image indicating a polarization state of the subject based on beams of different polarizations obtained by splitting a beam into which a return beam from the subject irradiated with a measuring beam and a reference beam corresponding to the measuring beam have been combined, and a display control unit configured to cause, in a case where a designation unit designates a portion of the tomographic image indicating the polarization state displayed on a display unit, position information indicating a position corresponding to the portion designated by the designation unit to be displayed on the planar image displayed on the display unit. | 07-25-2013 |
20130215387 | FUNDUS IMAGING APPARATUS AND METHOD - In order to suppress a load on a subject when a fundus is irradiated with multiple beams, a fundus imaging apparatus for forming an image of a first area in the object, includes: a determination unit for determining a second area other than the first area in the object to be inspected; a detection unit for detecting moving of the object to be inspected on the basis of return light from the second area, which is irradiated with second light; a correction unit for correcting the first area on the basis of the detected moving; and a forming unit for forming an image of the object to be inspected on the basis of the return light from the corrected first area, which is irradiated with the first light. | 08-22-2013 |
20130258282 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus includes an obtaining unit configured to obtain an anterior segment image of a subject's eye, a tomographic image obtaining unit configured to obtain a tomographic image of an anterior segment of the subject's eye, a calculation unit configured to calculate a thickness of a cornea based on the tomographic image, and a display control unit configured to cause a display unit to display the anterior segment image, a closed curve on the anterior segment image, and a smallest thickness of the cornea among thicknesses of the cornea in a portion where the closed curve lies. | 10-03-2013 |
20130258283 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus includes an ophthalmologic apparatus configured to acquire unique information of a subject's eye, an acquisition unit configured to acquire a value indicating brightness of surroundings of the ophthalmologic apparatus, and a recording unit configured to record in a storing unit a value indicating brightness acquired by the acquisition unit, associated with a tomographic image. | 10-03-2013 |
20130258284 | OPHTHALMOLOGIC APPARATUS - An ophthalmologic apparatus includes an irradiation optical system configured to guide light emitted from a light source to the subject's eye, a control unit configured to sweep a wavelength of light emitted from the light source, an imaging optical system configured to guide to an imaging unit a return beam from the subject's eye of light swept by the control unit, a tomographic image acquisition unit configured to acquire a tomographic image of the subject's eye based on an output from the imaging unit, a fundus image acquisition unit configured to acquire a fundus image of the subject's eye, and a display control unit configured to display the fundus image on a first area in a display unit and display the tomographic image on a second display area which is positioned above or below the first area and is wider in a horizontal direction as compared to the first area. | 10-03-2013 |
20130258285 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes an obtaining unit configured to obtain a tomographic image including an optic disc portion and a macula portion of a fundus of a subject's eye, an analysis unit configured to analyze the optic disc portion and the macula portion of the fundus in the tomographic image, and a display control unit configured to display side-by-side, on a display unit, a display pattern indicating a result of analyzing the optic disc portion, and a display pattern indicating a result of analyzing the macula portion. | 10-03-2013 |
20130258286 | OPTICAL COHERENCE TOMOGRAPHY IMAGING APPARATUS AND METHOD FOR CONTROLLING THE SAME - An optical coherence tomography imaging apparatus that captures a tomographic image of a subject's eye using interference light based on light from a wavelength-swept light source includes a region acquisition unit configured to acquire an imaging target region, a display control unit configured to display information about the acquired imaging target region, and an imaging unit configured to capture a tomographic image by scanning the imaging target region in the subject's eye using light from the wavelength-swept light source. | 10-03-2013 |
20130258349 | OPTICAL COHERENCE TOMOGRAPHY IMAGING APPARATUS, IMAGING SYSTEM, AND CONTROL APPARATUS AND CONTROL METHOD FOR CONTROLLING IMAGING RANGE IN DEPTH DIRECTION OF OPTICAL COHERENCE TOMOGRAPHY - An optical coherence tomography imaging apparatus that acquires a tomographic image from interference light between a reference beam and a measuring beam obtained via an object includes a control unit configured to control a difference in optical path length between the reference beam and the measuring beam by a control method according to an imaging target region, and a signal processing unit configured to generate image data of the object based on an electrical signal obtained by detecting the interference light with the difference in optical path length controlled by the control method. | 10-03-2013 |
20130258350 | OPTICAL COHERENCE TOMOGRAPHIC IMAGING APPARATUS AND METHOD THEREOF - An optical coherence tomographic imaging apparatus including a planar image obtaining unit configured to obtain a planar image of a subject based on a return beam from the subject irradiated by the irradiation unit that irradiates the subject with light of a first wavelength band, a tomographic image obtaining unit configured to obtain a tomographic image of the subject based on a beam in which a return beam from the subject irradiated with the laser beam emitted while sweeping a second wavelength range which is longer than the first wavelength band and a reference beam corresponding to the laser beam are combined, and a correction unit configured to correct an optical path length difference generated due to a difference between the first wavelength band and the second wavelength band. | 10-03-2013 |
20130286348 | OPTICAL COHERENCE TOMOGRAPHY APPARATUS, CONTROL METHOD, AND PROGRAM - Provided is an optical coherence tomography apparatus for obtaining a tomographic image from an interference light between a reference light and a measurement light having passed through an object. The OCT apparatus includes: a detection unit for detecting the presence/absence of an anterior eye imaging attachment member of the optical coherence tomography apparatus; a storage unit for storing information about the presence/absence of the anterior eye imaging attachment member obtained by the detection unit when the object is imaged; and a control unit for restricting capturing of the tomographic image when the object is imaged again based on the information about the presence of the anterior eye imaging attachment member stored in the storage unit and when the detachment of the anterior eye imaging attachment member is detected by the detection unit. | 10-31-2013 |
20130293838 | OPTICAL COHERENCE TOMOGRAPHY APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - Provided is an optical coherence tomography apparatus for obtaining a tomographic image from an interference light between a reference light and a measurement light having passed through an object. The optical coherence tomography apparatus includes: a storage unit for storing information of a display mode of an imaging screen when the object is imaged; and a control unit for displaying an imaging screen of a display mode, based on the information stored in the imaging, as an initial screen, when the object is imaged after storage in the storage unit. | 11-07-2013 |
20140055745 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - This image processing apparatus includes: a planar image acquisition unit configured to acquire a planar image showing a polarization state of a subject, a tomographic image acquisition unit configured to acquire a three-dimensional tomographic image including a plurality of two-dimensional tomographic image of the subject, a display control unit configured to display, on the display unit, an index indicating a position of a tomographic image to be displayed on the display unit among a plurality of two-dimensional tomographic images, by superimposing it on a planar image showing the polarization state, and an instruction unit configured to give an instruction to change a position of the index on a planar image showing the polarization state. | 02-27-2014 |
20140055791 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - The present application describes the acquisition of a tomographic image indicating a polarization state of a subject; a region is extracted from the tomographic image; and a first index indicating a first form in the region and a second index indicating a second form in the region are displayed. | 02-27-2014 |
20140313479 | FUNDUS IMAGING APPARATUS AND IMAGING METHOD - Provided is an imaging method for correcting aberration generated when imaging an object to be inspected. The imaging method includes: irradiating an imaging area with a first light beam which is scanned by a scan unit and taking an image of the object to be inspected based on return light of the first light beam; detecting a moving amount of the object to be inspected; comparing the detected moving amount with a predetermined threshold value; and adjusting the imaging area to be irradiated with the first light beam. The adjusting includes determining in accordance with a result of the comparison to change the imaging area by at least one of: using the scan unit, and using an aberration correcting unit. | 10-23-2014 |