Canon Kabushiki Kaisha

Kazuhiro Miyasa

Kiyohide Satoh

Ryo Ishikawa

Hiroshi Imamura

Itaru Otomaru

Yoshio Iizuka

Takuya Ishida

Akihiro Katayama

Kenji Morita

Takaaki Endo

Yukio Sakagawa

Masaaki Imaizumi

Toru Tanaka

Takuro Miyasato

Masahiro Suzuki

Toru Maeda

Gakuto Aoyama

Daisuke Kibe

Yukari Nakashoji

An image processing apparatus includes an acquisition unit configured to acquire first medical image data and second medical image data obtained by imaging a subject, an intermediate deformation information acquisition unit configured to acquire intermediate deformation information obtained by applying registration processing up to a predetermined stage in first registration processing including a plurality of stages to the acquired first medical image data and second medical image data, a determination unit configured to perform determination of a deformation abnormality with respect to the acquired intermediate deformation information, and a deformation unit configured to perform, in a case where the determination unit determines that there is the deformation abnormality, second registration processing different from the first registration processing with respect to the first medical image data and the second medical image data and calculate deformation information.

Image processing apparatus, image processing method, and non-transitory storage medium

An image processing apparatus that generates a three-dimensional image as a subtraction image from a first medical image and a second medical image which are three-dimensional images obtained by imaging a subject, the image processing apparatus includes an acquisition unit configured to acquire the first medical image and the second medical image, a determination unit configured to determine a resolution of the subtraction image, and, a subtraction image generation unit configured to generate the subtraction image having the resolution determined by the determination unit, wherein the determination unit determines a resolution of at least one axial direction among three axial directions configuring the resolution of the subtraction image, based on a resolution of the first medical image and a predetermined first resolution.

Image processing apparatus for generating a highly visible three-dimensional image from two medical images

An information processing apparatus includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires history information of image processing using a plurality of medical images. The determination unit determines, using the acquired history information, whether image processing using a first medical image and a second medical image selected by an operator as an image pair to be used in the image processing has already been performed. The output unit outputs a notification in accordance with a result of the determination.

Information processing apparatus, method for controlling information processing apparatus, and storage medium

An information processing apparatus includes an acquisition unit, a determination unit, and an output unit. The acquisition unit acquires history information of image processing using a plurality of medical images. The determination unit determines, using the acquired history information, whether each of a plurality of candidate images that are candidates of a second medical image used for image processing together with a first medical image selected by an operator has already been processed. The output unit outputs a notification in accordance with the result of the determination.

An image processing apparatus includes an acquisition unit configured to acquire a first medical image and a second medical image that are three-dimensional images obtained by imaging a subject, a determination unit configured to determine a first resolution based on a resolution of the first medical image and determine a second resolution based on a predetermined resolution, a first generation unit configured to generate a first subtraction image having the first resolution by performing a first subtraction process between the first and second medical images, and generate a second subtraction image having the second resolution by performing a second subtraction process between the first and second medical images, and a second generation unit configured to generate a projection image using the second subtraction image.

Image processing apparatus, image processing method, and storage medium

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

An image processing apparatus comprises a corresponding point obtaining unit configured to obtain corresponding points that are feature points of an object associated between a first image and a second image; a first deformation obtaining unit configured to obtain first deformation that is based on the corresponding points; a second deformation obtaining unit configured to obtain second deformation that is performed between the first image and the second image, and in which a degree of coincidence of corresponding points is lower than the first deformation; and a combining unit configured to combine the first deformation and the second deformation, regarding positions in at least one image of the first Image and the second image, based on distances between the corresponding points and the positions.

Image processing apparatus, control method of image processing apparatus, and storage medium

An image processing apparatus configured to calculate deformation between a first image and a second image includes a calculation order determination unit that determines calculation order of a plurality of partial regions into which the second image is divided, a calculation unit that calculates the deformation between the first image and the second image for each of the plurality of partial regions in the determined calculation order of the plurality of partial regions, a deformed image generation unit that generates a deformed image by deforming the first image based on the calculated deformation of the plurality of partial regions, and a display control unit that causes a display unit to display the generated deformed image.

An image processing apparatus in which identification of a corresponding target point between images is easily performed, and physically appropriate registration can be performed by using the identification is provided. The image processing apparatus obtains coordinate transformation for respectively transforming a first image and a second image obtained by imaging an object to a first transformed image and a second transformed image, obtains correspondence information that serves as information of a corresponding point included in each of the first transformed image and the second transformed image, respectively transforms the correspondence information to positions in the first image and the second image, and obtains deformation transformation for performing registration of the first image and the second image on the basis of information of the corresponding points in the first image and the second image.

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

A photoacoustic apparatus is used which includes: a receiving element receiving acoustic wave from an object; a processor generating image data inside of the object; a changer changing irradiation positions of light on the object; and a wide-area image acquirer of the object, wherein the processor generates, for the irradiation positions, a local-area image of the object corresponding to the irradiation position, and based on a comparison between a plurality of local-area images obtained for the irradiation positions and a comparison between the plurality of local-area images and the wide-area image, integrates the plurality of local-area images.

Photoacoustic apparatus and image processing method

An information processing apparatus according to the present invention is configured to project a given region (e.g., region of interest or lesion of interest) in a three-dimensional image (e.g., MRI image or X-ray CT image) onto a plane including a two-dimensional image (e.g., ultrasonic image) of an object, and cause a display unit to display an error range caused by projection (range where a corresponding region of the region of interest in the two-dimensional image may exist, also referred to as a search range) including the projected region in such a manner that the error range is overlaid on top of the two-dimensional image. Therefore, a user is able to efficiently search for the corresponding region in the two-dimensional image which corresponds to the region of interest in the three-dimensional image.

Information processing apparatus, method, and programmed storage medium, for calculating ranges of regions of interest of scanned or other images

Provided is an ophthalmic diagnosis support apparatus which enables an operator to easily acquire a tomographic image suitable for detailed observation of a candidate lesion without spending time and effort to search for the candidate lesion. The ophthalmic diagnosis support apparatus includes an acquiring unit for acquiring a wide-range image of a fundus, a candidate lesion detection unit for detecting the candidate lesion on the fundus by analyzing the wide-range image, a calculating unit for determining a degree of abnormality of the candidate lesion based on a result of the detection of the candidate lesion, and an acquiring position setting unit for setting an acquiring position of the tomographic image of the fundus based on the degree of abnormality of the candidate lesion.

Ophthalmic diagnosis support apparatus and ophthalmic diagnosis support method

An image processing apparatus obtains a first image and a second image obtained by imaging an object under different conditions, obtains a region of interest in the first image, obtains a first deformation displacement field between the first image and the second image, approximates the first deformation displacement field in the region of interest using an approximation transformation model of a degree of freedom lower than that of the first deformation displacement field, thereby generating an approximated displacement field, generates, concerning the region of interest, corresponding information between the first image and an image obtained by displacing the first image based on the approximated displacement field, and obtains a second deformation displacement field between the first image and the second image using the corresponding information.

Image processing apparatus, image processing method, and non-transitory computer-readable storage medium

First, a displacement field (first displacement field) for deforming a first image so as to associate the first image with a second image is calculated based on information on an input corresponding point group. Then, upon a corresponding point candidate pair being input, a displacement field (second displacement field) for deforming the first image so as to associate the first image with the second image is calculated with the corresponding point candidate pair taken into consideration as well. Thereafter, a matching degree is calculated based on a difference between the two displacement fields, and a determination result indicating a match or a mismatch is displayed on a display unit.

An image processing apparatus according to an aspect of the disclosure includes a first deformation acquisition unit configured to perform registration of a first image and a second image and acquire a first deformation parameter that expresses a deformation between the first image and the second image by using a first deformation model, a generation unit configured to generate intermediate data that indicates a deformation expressed by the first deformation model and the first deformation parameter, and a second deformation acquisition unit configured to acquire, based on the intermediate data, a second deformation parameter that expresses a deformation, which is indicated by the intermediate data, by using a second deformation model.

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Yokohama, Japan

Kazuhiro Miyasa