Canon Kabushiki Kaisha

Mitsubishi Heavy Industries Limited

Mitsubishi Electric Corporation

Hiroki Uchida

Yoshihiko Iwase

Yukio Sakagawa

Ritsuya Tomita

Osamu Sagano

Shigeaki Ono

Manabu Yamazoe

Yasuhiro Nakahara

Shingo Nishikata

Hiroyuki Daigo

Yuki Uchiyama

Riuma Takahashi

Makoto Sato

Shinya Ishii

Ryuichi Matsuda

Hideaki Mizobe

Wataru Sakagawa

Krzysztof Piotrowski

Takuya Koyama

Katsutoshi Natsuhori

Hiroshi Imamura

Tomoyuki Makihira

Manabu Wada

Makoto Matsumoto

Masao Shikaumi

Motoya Takai

Kazumasa Tanaka

Tomasz Bajraszewski

Yuichi Muramoto

Tomasz Dziubak

Juun Horie

Makoto Fukuhara

Akihiro Sawada

Marek Rozanski

Daisuke Kawase

Etsuro Wada

Yuki Uchiyma

An apparatus includes an obtaining unit configured to obtain, using an optical coherence tomography, an analysis map for a disk and an analysis map for a macular area, which are analysis results of three-dimensional data obtained by capturing an image of a region of a fundus of a subject's eye that includes the disk and the macular area, and a control unit configured to cause a display unit to display side by side a two-dimensional image of the region including the disk and the macular area, the analysis map for the optic disk, and the analysis map for the macular area.

Image processing apparatus, image processing method, and storage medium

A medical image processing apparatus includes: an obtaining unit configured to obtain a first image that is a medical image of a predetermined site of a subject; an image quality improving unit configured to generate, from the first image, a second image in which image quality is improved compared to the first image, using an image quality improving engine including a machine learning engine; and a display controlling unit configured to cause a composite image obtained by combining the first image and the second image according to a ratio obtained using information relating to at least a partial region in at least one of the first image and the second image to be displayed on a display unit.

Medical image processing apparatus, medical image processing method and computer-readable storage medium

An image processing apparatus includes: an obtaining unit configured to obtain a first medical image of an object under examination; an image quality improving unit configured to generate, from the obtained first medical image, a second medical image with image quality higher than image quality of the obtained first medical image using a learned model; a comparing unit configured to compare an analysis result obtained by analyzing the obtained first medical image and an analysis result obtained by analyzing the generated second medical image; and a display controlling unit configured to cause a comparison result obtained by the comparing unit to be displayed on a display unit.

Image processing apparatus, image processing method and computer-readable medium

An image processing apparatus includes: an obtaining unit configured to obtain a first image of an eye to be examined; an image quality improving unit configured to generate a second image with at least one of lower noise and higher contrast than the obtained first image using the obtained first image as an input data of a learned model, wherein the learned model has been obtained by using training data including a second image with at least one of lower noise and higher contrast than a first image of an eye to be examined; and a display controlling unit configured to cause the obtained first image and the generated second image to be switched, juxtaposed or superimposed and displayed on a display unit.

A medical image processing apparatus includes: an obtaining unit configured to obtain a first image that is a medical image of a predetermined site of a subject; an image quality improving unit configured to generate, from the first image, a second image in which the image quality is improved compared to the first image by using an image quality improving engine that includes a machine learning engine; and a display controlling unit configured to cause a display unit to display a composite image obtained by combining the first image and the second image according to a ratio obtained using information relating to at least a partial region of the first image.

Medical image processing apparatus, medical image processing method and computer-readable medium

A medical image processing apparatus includes: an obtaining unit configured to obtain a first image that is a motion contrast en-face image of an eye to be examined; and an image quality improving unit configured to generate a second image with at least one of lower noise and higher contrast than the obtained first image using the obtained first image as input data that is input into an image quality improving engine, wherein the image quality improving engine includes a machine learning engine that has been obtained by using training data including a second image with at least one of lower noise and higher contrast than a first image that is a motion contrast en-face image of an eye to be examined.

An image processing apparatus includes display control means for displaying, on display means, a blend image obtained by performing blend processing at a variable transmissivity in accordance with an instruction of an operator using an optical coherence tomography (OCT) image and an OCT angiography (OCTA) image of mutually corresponding regions in a subject that are acquired by an OCT, setting means for setting a region of interest in the displayed blend image, and execution means for executing processing on the set region of interest in at least one image of the OCT image and the OCTA image.

Provided is a motor control apparatus that suppresses a steep rush current to a charging circuit and that can quickly start driving of a motor without depending on a current-limiting resistor. The motor control apparatus according to the present disclosure includes an inverter for driving a motor, a charging circuit for supplying electric power to the inverter, a relay circuit for connecting a charging circuit and a power supply terminal, a control unit for controlling the inverter and the relay circuit, and a pre-charging circuit that is provided in parallel with the relay circuit, that starts charging from the power supply terminal to the charging circuit after a power switch for connecting an external power source with the power supply terminal is turned on, and that completes charging of the charging circuit before the control unit starts operation thereof.

Motor control apparatus

The optical coherence tomography apparatus is an optical coherence tomography apparatus that obtains a tomographic image of an eye to be examined by using combined light obtained by combining (a) return light from the eye to be examined irradiated with measurement light and (b) reference light, the optical coherence tomography apparatus including an optical path length difference changing unit arranged to change an optical path length difference between the measurement light and the reference light, a driving unit arranged to drive the optical path length difference changing unit, a determining unit configured to determine, using a learned model, a driving amount of the driving unit from the obtained tomographic image, and a controlling unit configured to control the driving unit using the determined driving amount.

Optical coherence tomography apparatus, control method for optical coherence tomography apparatus, and computer-readable storage medium

Provided is an information processing apparatus including: a first acquisition unit configured to acquire a plurality of pieces of tomographic data based on measurement light controlled to scan the same position of a fundus; a second acquisition unit configured to acquire a correction coefficient by performing an arithmetic operation on a first approximate parameter obtained by transforming, in a first dimension, a parameter of the tomographic data to be used for calculating a motion contrast, and a second approximate parameter obtained by transforming the parameter in a second dimension smaller than the first dimension; a correction unit configured to correct a parameter of at least one piece of tomographic data through use of the correction coefficient; and a generation unit configured to generate a motion contrast image through use of the at least one piece of tomographic data corrected by the correction unit.

Information processing apparatus, image generation method, and computer-readable medium, with acquisition of correction coefficient by performing arithmetic operation on first and second parameters

An image processing apparatus capable of easily generating a two-dimensional panoramic image at a high speed from a plurality of three-dimensional images includes an acquisition unit configured to acquire a generation condition of a first en-face image generated from a first three-dimensional image of an target eye, a first generation unit configured to generate a second en-face image from a second three-dimensional image of the target eye by applying the generation condition acquired by the acquisition unit to the second three-dimensional image, and a second generation unit configured to generate a combined image by combining the first en-face image with the second en-face image.

An apparatus includes an interference optical system configured to acquire a tomographic image of an eye by using interference light between return light from the eye irradiated with measurement light and reference light corresponding to the measurement light, a determination unit configured to determine, by using at least one of information about an acquisition time for acquiring the tomographic image and information about an imaging view angle of the tomographic image, a search range for searching for a position corresponding to a first tomographic image of the eye, the position being in a second tomographic image of the eye, and the second tomographic image having been acquired at a time different from a time when the first tomographic image is acquired, and a registration unit configured to perform registration of the first tomographic image and the second tomographic image by using information about the determined search range.

Optical coherence tomography apparatus, image processing apparatus, image processing method, and storage medium

An apparatus includes: an acquisition unit configured to acquire pieces of three-dimensional data of a subject eye obtained at different times, the three-dimensional data including pieces of two-dimensional data obtained at different positions; a first planar alignment unit configured to perform first planar alignment including alignment between the pieces of three-dimensional data in a plane orthogonal to a depth direction of the subject eye; a first depth alignment unit configured to perform first depth alignment including alignment between pieces of two-dimensional data in at least one piece of three-dimensional data among the pieces of three-dimensional data and further including alignment between the pieces of three-dimensional data in the depth direction; and a generation unit configured to generate interpolation data of at least one piece of three-dimensional data among the pieces of three-dimensional data by using a result of the first planar alignment and a result of the first depth alignment.

A first area and a second area are set for a first two-dimensional tomographic image where the first area and the second area overlap each other in a partial area in a horizontal direction of the first two-dimensional tomographic image. A positional deviation amount between the first two-dimensional tomographic image and a second two-dimensional tomographic image is obtained in each of the first area and the second area. A moving amount of the second two-dimensional tomographic image is determined with respect to the first two-dimensional tomographic image in an area where the first area and the second area overlap based on the positional deviation amount in the first area and the positional deviation amount the second area. Alignments are performed on the first two-dimensional tomographic image and the second two-dimensional tomographic image in an area where the first area and the second area overlap based on the moving amount.

Image processing apparatus, alignment method and storage medium

An image processing apparatus includes first alignment means configured to perform an alignment in a horizontal direction on a plurality of two-dimensional tomographic images based on measurement light controlled to scan an identical position of an eye according to a first method, and second alignment means configured to perform an alignment in a depth direction on the plurality of two-dimensional tomographic images according to a second method that is different from the first method.

Growing community of inventors

Tokyo, Japan

Hiroki Uchida