Canon Kabushiki Kaisha

Canon Medical Systems Corporation

Toru Tanaka

Ryo Ishikawa

Kiyohide Satoh

Kazuhiro Miyasa

Yoshio Iizuka

Tatsuya Kimoto

Keita Nakagomi

Takashi Kawamori

Yoshitaka Minami

Hiroshi Moriya

Masahiro Matsunaga

Yosuke Fujiyasu

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 information processing apparatus comprising: an extraction unit configured to extract a predetermined region of an anatomical part from an examination image of a subject; a first feature amount acquisition unit configured to acquire a first feature amount of the predetermined region related to a movement of the anatomical part; a second feature amount acquisition unit configured to acquire a second feature amount of the predetermined region related to the movement; a division unit configured to divide the predetermined region; and an integration unit configured to integrate the first feature amount and the second feature amount based on a result of division by the division unit.

Information processing apparatus, information processing method, and non-transitory storage medium for processing image features of anatomical parts from examination images of a subject

An adhesive set includes a main agent containing a decomplexing agent and an initiator containing an organoborane complex. At least one of the main agent and the initiator further contains a compound having a radically polymerizable group. At least one of the main agent and the initiator further contains a compound having a thiocarbonylthio structure.

Adhesive set, adhesive body, and manufacturing method therefor

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 image processing apparatus according to the present invention calculates, even in a case where a region of a part as an observation target included in an image capturing range is different between a plurality of medical images in different time phases, a degree of slippage of the region of the part as the observation target with high accuracy.

Image processing apparatus, image processing method, and storage medium

An image processing apparatus acquires a first pixel size and a second pixel size that are pixel sizes in a predetermined axis direction of a first image and a second image captured at different points in time, respectively, determines whether the first pixel size and second pixel size differ from each other, and decides, if the first pixel size differs from the second pixel size, a size in a predetermined axis direction of a comparison area based on a larger one of the first pixel size and the second pixel size. The comparison area includes a plurality of gray levels, and is compared to a gray level of a position of interest in one of the first and second image, and the comparison area existing in the other of the first and second image, different from the one image.

An image processing apparatus includes search area calculation means for calculating a search area size on the basis of a pixel size of at least one image among a first image and a second image, position obtaining means for obtaining a position of interest on the first image and a correspondence position on the second image corresponding to the position of interest, search area setting means for setting a search area made up of the search area size in a surrounding of the correspondence position on the second image, and difference means for deciding a difference value corresponding to the position of interest on a basis of a density value of the position of interest on the first image and density values of a plurality of positions in the search area on the second image.

Image processing apparatus, image processing method, and program

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.

Based on information regarding positions of two-dimensional images included in a first three-dimensional image and two-dimensional images included in a second three-dimensional image, an information processing apparatus acquires information regarding a first range, which is a range of positions where the two-dimensional images included in the first three-dimensional image are present, and a second range, which is a range of positions where the two-dimensional images included in the second three-dimensional image are present, and displays, on a display unit, a figure indicating the first range such that an area, in the first range, included in the second range is distinguishable.

Information processing apparatus, system, method, and storage medium to compare images

An apparatus that can obtain a subtraction image efficiently is provided. An image processing apparatus obtains a target image constituted by a set of voxels arranged in a discretized manner; sets a search area in the target image; and obtains, in a partial area included in the search area, on the basis of at least one of a voxel value included in the partial area and an interpolated value obtained by interpolation of a voxel of the target image, at least one of a maximum and a minimum of a voxel value and an interpolated value within the search area.

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

An apparatus acquires a first converted image by converting resolution of a first image of a subject into first resolution, acquires a second converted image by converting resolution of a second image into the first resolution, acquires first deformation information for executing image registration between the first converted image and the second converted image with the first resolution, and generates a subtraction image with the first resolution based on the first deformation information, the subtraction image showing a difference between the first converted image and the second converted image, or generates a second subtraction image based on second deformation information obtained in such a manner that resolution of the first deformation information is converted into the resolution of the first image, the second subtraction image showing a difference between the first image and the second image.

An image processing apparatus configured to acquire first registration information being registration information between a first image of interest, which is the first frame image in the frame image pair, and the first reference image; to acquire second registration information being registration information between a second image of interest, which is the second frame image in the frame image pair, and the second reference image; to acquire reference registration information being registration information between the first reference image and the second reference image; and to acquire third registration information being registration information between the first image of interest and the second image of interest, based on the first registration information, the second registration information and the reference registration information.

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

A first image and a second image having a smaller pixel size than the first image are acquired. Based on a pixel size of the first image, a size of a calculation area to be set on the second image is calculated. A plurality of calculation areas including a corresponding position on the second image corresponding to a position of interest on the first image, and having the calculated area size are set on the second image. In each of the plurality of calculation areas, a representative value based on density values of pixels included in the calculation area is calculated, and based on a density value of a pixel at the position of interest and a plurality of representative values, a difference value between the first and second images at the position of interest is determined.

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Funabashi, Japan

Toru Tanaka