Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An ophthalmic imaging apparatus performs imaging to produce a tomographic image of a fundus of an examined eye based on interference light obtained by combining measurement light and reference light, determines whether aliasing has occurred in the tomographic image, when it is determined that the aliasing has occurred, moves a position in which an optical path length of the measurement light and an optical path length of the reference light match from a retina side to a choroid side of the examined eye, and generates a fundus image based on the tomographic image that has been produced through imaging in a state where the position has been moved to the choroid side.

Abstract: 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.

Abstract: There is provided an ophthalmologic apparatus having a tracking function that can select a fundus image that is less affected by eye motion to reduce burdens on an operator/a patient in fundus imaging, wherein the ophthalmologic apparatus picks up a first fundus image (202), extracts a characteristic point as a template from the first fundus image (203), executes pattern matching on a second fundus image (205) to determine presence/absence of eye motion, and decides a tracking template image (207).

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: In order to solve the problem in that, when a fundus is irradiated with multiple beams, a load has been placed on a subject, an imaging apparatus for imaging an object to be inspected based on return light from a first area in the object to be inspected, which is irradiated with first light, including: a determination unit for determining a second area being narrower than the first area in the object to be inspected; and a control unit for restricting the irradiation with the first light in the second area, which is irradiated with second light.

Abstract: An 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.

Abstract: 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.

Abstract: The present invention provides an ophthalmological apparatus capable of displaying a plurality of fundus tomographic images. A photographing apparatus includes a fundus imaging unit adapted to capture a fundus image of a subject's eye, a scanning unit adapted to scan a desired position of the fundus of the subject's eye to capture tomographic images of the subject's eye, a measuring unit adapted to measure movement amounts of the fundus of the subject's eye by performing pattern matching between a plurality of feature points in the acquired fundus image and feature points in another fundus image newly acquired at a different time, and a control unit adapted to control the scanning unit based on the measured movement amounts.

Abstract: A conventional method in which an amount of movement of an eye ball between acquired images is calculated by extracting characteristic images of the fundus and comparing the images is excellent in precision, reproducibility and stability, but requires time for image processing.

Abstract: An optical tomographic image photographing apparatus having a tracking function, capable of appropriately controlling a scan in acquiring a tomographic image. The optical tomographic image photographing apparatus according to the invention includes a fundus image photographing section which photographs fundus images of an eye to be inspected and a tomographic image photographing section which photographs tomographic images of the eye to be inspected. A control method of the optical tomographic image photographing apparatus includes the steps of: calculating coordinate values matching a plurality of previously-acquired characteristic areas in the fundus image; calculating a spatial variation between the plurality of coordinate values; and controlling the scan of a measuring light by the tomographic image photographing section for acquiring the tomographic images on the basis of a result of the calculation.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A tracking apparatus including: a fundus imaging apparatus for acquiring a fundus image; and a measurement unit that extracts a characteristic image of a fundus image from a first fundus image captured by the fundus imaging apparatus, detects the characteristic image from a second fundus image that is different from the fundus image, and measures a position change in the fundus images from coordinates of the extracted characteristic image and the detected characteristic image in the respective fundus images, wherein a region in which the characteristic image is detected from the second fundus image is determined so that a region searched for the characteristic image from the first image includes the extracted characteristic image and is broader than a range of movement of the characteristic image resulting from movements of the eye ball within measurement time.

Abstract: 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.