Canon Kabushiki Kaisha

Daisuke Kibe

Makoto Sato

Yoshihiko Iwase

Hiroyuki Shinbata

Tomoyuki Makihira

Kazuhide Miyata

Ritsuya Tomita

Kazuro Yamada

Nobuhiro Tomatsu

Yohei Minatoya

Kiyohide Satoh

Kazuhiro Miyasa

Makoto Fukuhara

Yukari Nakashoji

An information processing apparatus includes an image obtaining unit configured to obtain a first inspection image having first supplemental information and a second inspection image having second supplemental information, a difference image obtaining unit configured to obtain a difference image generated using the first and second inspection images, a difference information obtaining unit configured to obtain difference information on a difference between the first supplemental information and the second supplemental information, and an association unit configured to associate the difference information with the difference image.

Information processing apparatus and method for controlling the same to generate a difference image from first and second inspection images

To provide pathological support for users to effectively perform follow up on diseases, using polarization information obtained from polarization-sensitive tomographic images. An image processing apparatus includes a positioning unit configured to position multiple polarization-sensitive tomographic images corresponding to multiple tomographic luminance images, based on the plurality of tomographic luminance images obtained by photographing an object at different times; and a comparing unit configured to compare the plurality of polarization-sensitive tomographic images which are positioned.

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.

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.

Control apparatus and control 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.

To accurately position multiple tomographic image. An image processing apparatus includes a detecting unit configured to detect motion of an eye in a plurality of polarization-sensitive tomographic images, based on a predetermined region extracted from the plurality of polarization-sensitive tomographic images of the eye, and a positioning unit configured to position a plurality of tomographic luminance images corresponding to the plurality of polarization-sensitive tomographic images, based on the detected movement.

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.

Image processing apparatus and image processing method for displaying indexes for different forms in a region of a retinal pigment epithelium

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.

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.

Imaging apparatus

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.

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.

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.

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 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.

Growing community of inventors

Chigasaki, Japan

Daisuke Kibe