Canon Kabushiki Kaisha

Canon Medical Systems Corporation

Kohtaro Umezawa

Ryuichi Nanaumi

Hiroyuki Sekiguchi

Takuji Oishi

Takuro Miyasato

Yoshiko Nakamura

Kazuhiko Fukutani

Hiroshi Abe

Kazuhito Oka

Ryuta Ueda

Mitsuhiro Shingu

An information processing apparatus according to an exemplary embodiment of the present disclosure includes a storage unit configured to store a plurality of trained models including a first trained model for classifying medical image data into a class belonging to a first class hierarchy, and a second trained model for classifying the medical image data into a class belonging to a second class hierarchy lower than the first class hierarchy, an acquisition unit configured to acquire information about inference, a selection unit configured to select a plurality of trained models having a hierarchical relationship from among the stored plurality of trained models, based on the acquired information about inference, and a notification unit configured to provide a notification of the selected plurality of trained models.

Information processing system, information processing apparatus, information processing method, and non-transitory storage medium

An information processing apparatus includes a processor, and a memory storing a program. The program, when executed by the processor, causes the information processing apparatus to: acquire a medical image obtained by imaging a subject, acquire an inspection result of the medical image, perform inference on the medical image; and control outputting of an inference result of the medical image inference to an external device based on the inspection result of the medical image.

Information processing apparatus, tomographic apparatus, and information processing method

A photoacoustic apparatus according to the present invention is a photoacoustic apparatus for obtaining image data based on an acoustic wave generated by irradiating an object with light of a first wavelength and light of a second wavelength which is different from the first wavelength, the photoacoustic apparatus including a processing unit configured to: obtain a first image data group corresponding to the first wavelength generated based on an acoustic wave generated by irradiating the object with light of the first wavelength a plurality of times, obtain first positional deviation information corresponding to an irradiation timing with the light of the first wavelength on the basis of a first image data group corresponding to the first wavelength, and obtain second positional deviation information corresponding to an irradiation timing with the light of the second wavelength on the basis of the first positional deviation information.

Photoacoustic apparatus, information processing method, and program

The disclosure proposes an image processing apparatus for rendering a maximum intensity projection image by extracting, as objects to be rendered, only voxels having a high brightness value in three-dimensional volume data and using the brightness values of these voxels for the corresponding pixels.

Image processing apparatus, image processing method, and image processing system

The present invention provides an image display system which can simplify an operation of an operator for displaying images appropriate for diagnosis. An image display system according to the present invention includes a first obtaining unit configured to obtain first image data piece, a second obtaining unit configured to obtain a first meta-information piece regarding the first image data piece, a third obtaining unit configured to obtain a second image data piece, a fourth obtaining unit configured to obtain a second meta-information piece regarding the second image data piece, and a display control unit configured to determine a superimposition style corresponding to a combination of the first and second meta-information pieces based on the first and second meta-information pieces and display a superimposition image of the first and second image data pieces in the superimposition style on a display unit.

Image display system, image display method, and program

The present invention allows to estimate a continuous surface that defines a boundary surface of an object using image data, even if the image data was acquired by an imaging method in which image information on the boundary surface of the object is limited. An image processing apparatus according to the present invention includes a calculating unit that calculates a brightness gradient of a voxel group constituting volume data which represents a reconstructed image, and an estimating unit that estimates by using the brightness gradient a continuous surface which defines a boundary surface of an object corresponding to the volume data.

Image processing apparatus and image processing method

The present invention employs an apparatus that includes a first acquisition unit that acquires information relating to an oxygen saturation distribution, a determination unit that determines, based on the information relating to the oxygen saturation distribution, whether a calculated value of an oxygen saturation at each of a plurality of positions is included in a first numerical range from 100% to a first value more than 100% or a second numerical range more than the first value, and a display control unit that causes a display unit to display an image of the oxygen saturation distribution so as to be able to distinguish whether the calculated value of the oxygen saturation at each position is included in the first or second numerical range based on a determination result.

Apparatus and display control method

A photoacoustic apparatus comprising a processing unit configured to obtain first image data corresponding to a first wavelength, obtain second image data corresponding to a second wavelength different from the first wavelength, perform normalization processing on at least one of the first image data and the second image data so as to decrease a difference in an image characteristic between the first image data and the second image data, and obtain position shift information associated with irradiation timing of the light having the first and second wavelengths on the basis of the first and second image data at least one of which is subjected to the normalization processing.

Photoacoustic apparatus, information processing method, and storage medium

A photoacoustic apparatus includes a processing unit configured to obtain a first image data group corresponding to a first wavelength, obtain first position shift information corresponding to irradiation timing of the light having the first wavelength on the basis of the first image data group corresponding to the first wavelength, obtain a second image data group corresponding to a second wavelength different from the first wavelength, obtain second position shift information corresponding to irradiating timing of the light having the second wavelength on the basis of the second image data group corresponding to the second wavelength, and obtain third position shift information on the basis of the first position shift information and the second position shift information.

An object information acquisition apparatus, comprises a holding member that holds an object and to be movable relative to the object; a position acquirer that acquires information on a position of the object; a first controller that controls a position of the holding member; a measurement unit that receives acoustic waves from the object; a second controller that controls a position of the measurement unit; an information acquirer that acquires information of the object; and a storage unit that stores history information representing information on a contact state of the holding member with the object, wherein the first controller controls the position of the holding member independently of the control performed by the second controller and adjusts the contact state of the holding member with the object based on the history information.

Object information acquisition apparatus

An apparatus according to the present invention includes a processor processing characteristic distribution information derived from an acoustic wave generated from an object and which indicates specific values at a plurality of positions inside the object, wherein the processor: sets a first position of interest; acquires first weight distribution information which is related to a plurality of positions including the first position of interest; and acquires a substitute value for a specific value at the first position of interest using the first weight distribution information, the specific value at the first position of interest, and a specific value at a position that differs from the first position of interest among the plurality of positions.

Apparatus and method

A display system comprises a display unit including a display screen, and a display control unit, wherein the display control unit sets at least one of luminance and a color map of the display screen based on wearing information indicating a wearing state of an eyewear.

Display system, eyewear, and method for controlling display system

An object information acquiring apparatus, includes: an irradiator irradiating an object with light; a probe having a plurality of transducers which receive an acoustic wave generated from the object irradiated with the light and output a reception signal; and a controller using the reception signal to acquire property information on the interior of the object, and the probe has a plurality of apertures and a surface on which the plurality of transducers are arranged has a spherical surface shape.

Apparatus for acquiring property information on the interior of an object based on an acoustic wave generated from the object irradiated with light

A photoacoustic apparatus includes a light source generating multiple lights with different wavelengths, a converting element receiving photoacoustic waves generated in a subject by the subject being irradiated by the multiple lights, a first distribution obtaining unit obtaining a property distribution based on optical absorption within the subject, for each of the mutually different wavelengths, using time-sequence reception signals each output from the converting element for each of the mutually different wavelengths, a second distribution obtaining unit obtaining, using multiple property distributions based on optical absorption for each wavelength, a concentration-related distribution of a substance of an object region of the subject, and a statistical information obtaining unit obtaining statistical information indicating variance in distribution in at least part of the concentration-related distribution.

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Tokyo, Japan

Kohtaro Umezawa