Canon Kabushiki Kaisha

Mixed Reality Systems Laboratory Inc.

Takaaki Endo

Kiyohide Satoh

Ryo Ishikawa

Akihiro Katayama

Shinji Uchiyama

Daisuke Kotake

Takuya Ishida

Itaru Otomaru

Masahiro Suzuki

Yukio Sakagawa

Kazuki Takemoto

Kazuhiro Miyasa

Takashi Aso

Kenji Morita

Hiroyuki Yamamoto

Yasufumi Takama

Yoshihiro Naganawa

Takayuki Ueno

Koichi Ishizu

Masakazu Fujiki

Yasufumi Asao

Koichiro Wanda

Hideo Noro

Tsuyoshi Kuroki

Taichi Matsui

Yuta Nakano

Shinichi Aratani

Yohei Hashizume

Hiroshi Yoshibayashi

Shiji Uchiyama

Hiroshi Ikeoka

Satoh Kiyohide

An image processing apparatus includes projection unit configured to generate first two-dimensional image data by applying a projection process to three-dimensional image data, acquisition unit configured to acquire a second parameter related to image processing based on a first parameter related to the projection process, and image processing unit configured to generate second two-dimensional image data by applying the image processing to the first two-dimensional image data using the at least one or more second parameters.

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

The image processing apparatus acquires a first three-dimensional image, generates a second three-dimensional image by applying image processing to the first three-dimensional image having been acquired, and generates a two-dimensional projected image by applying projection processing to the second three-dimensional image having been generated. The image processing apparatus determines a parameter to be used for the image processing of the three-dimensional image on the basis of a parameter for the projection processing.

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

An information processing apparatus includes a memory storing a program, and one or more processors that, by executing the program, function as an obtaining unit configured to obtain information relating to a posture of an imaging device that is imaging a region of a subject, and a determination unit configured to perform a determination, based on the information relating to the posture, regarding which region of the subject corresponds to the region imaged by the imaging device. The determination unit performs the determination based on the information relating to the posture obtained at a timing when a posture of the imaging device satisfies a predetermined condition.

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

An information processing apparatus includes acquisition units, calculation units, and a matching unit. The acquisition units acquire a position of a first reference point as a reference point, and a position of a first surface point as a point, on a surface of a target object in a first body posture. The acquisition units acquire a position of a second reference point as the reference point, and a position of a second surface point, on the surface of the target object in a second body posture. A distance between the first reference point position and the first surface point position is calculated as a first distance. A distance between the second reference point position and the second surface point position is calculated as a second distance. The matching unit matches the first and second surface points based on a relationship between the first and second distances.

Information processing apparatus, method, and program for matching target object position between the prone and supine positions obtained by MRI and ultrasound

This invention provides a technique to dynamically set an imaging parameter appropriate for observing a region of interest on an object to generate a high-quality echogram while maintaining the operability to change the position and orientation of a probe. A region-of-interest acquisition unit acquires region information that defines the region of interest. A position and orientation acquisition unit acquires position and orientation information representing the position and orientation of a probe. A parameter deciding unit obtains an imaging parameter based on the positional relationship between an imaging range decided based on the position and orientation information and the region of interest defined by the region information, and outputs the obtained imaging parameter to an imaging unit.

Image diagnosis apparatus and method for dynamically focusing tracked ultrasound probe with multimodal imaging system

An image processing apparatus of the present invention includes an image obtaining unit obtaining first and second three-dimensional images, a deformation information obtaining unit obtaining deformation between two images, a cross-sectional image generating unit generating first and second cross-sectional images, a target position obtaining unit obtaining a target position in the first cross-sectional image, a corresponding position obtaining unit obtaining a corresponding position in the second three-dimensional image which corresponds to the target position on the basis of the deformation information.

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

An ultrasonic imaging support apparatus for supporting imaging performed by an ultrasonic probe that acquires an ultrasonic image of a subject includes a specification unit configured to specify a position inside the subject in a three dimensional image, an identification unit configured to identify a position on a body surface of the subject based on the specified position, and a display control unit configured to display a position where the ultrasonic image acquired by the ultrasonic probe is captured and the identified position on a display unit.

Information processing apparatus, ultrasonic imaging apparatus, and information processing method

An image processing apparatus comprising: an image obtaining unit obtaining a first image and a second image different from the first image; a deformation information obtaining unit obtaining deformation information representing deformation between the first image and the second image; a deformed image generating unit generating a first deformed image of the first image deformed in accordance with the second image and a second deformed image of the second image deformed in accordance with the first image; and a display controlling unit displaying the first image, the second image, an image based on the first deformed image, and an image based on the second deformed image is used.

Image processing apparatus, image processing method, and non-transitory computer readable medium with generation of deformed images

An image processing apparatus obtains a region of interest in a first image obtained by capturing an object by a first modality, derives a corresponding region corresponding to the region of interest in a second image obtained by capturing the object by a second modality different from the first modality, sets a display parameter of the second image based on one of pixel information of the corresponding region and pixel information of a region associated with the corresponding region, generates a display image of the second image based on the display parameter, and performs display control of the display image.

Image processing apparatus, image processing method, image processing system, and non-transitory computer-readable storage medium for presenting three-dimensional images

An information processing apparatus includes a first acquisition unit configured to acquire a plurality of positions, in a three-dimensional image of a subject, obtained based on a sternum of the subject, a second acquisition unit configured to acquire a plurality of positions, in the subject, obtained based on the sternum of the subject, and a calculation unit configured to calculate a correspondence relationship in position between the subject and the three-dimensional image based on the plurality of positions acquired by the first acquisition unit and the plurality of positions acquired by the second acquisition unit.

Information processing apparatus, imaging system, information processing method, and program causing computer to execute information processing

An image processing apparatus obtains information representing a region of interest from a three-dimensional image, and, when a projection direction of the three-dimensional image is changed, based on the projection direction and the information representing the region of interest, determines a parameter that indicates a thickness of projection used in projection processing. The image processing apparatus uses the determined parameter to generate a projection image by applying projection processing toward the projection direction to the three-dimensional image.

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

An image processing apparatus obtains, in both a first image obtained by capturing an object and a predetermined space including the object, a corresponding feature part of the object, specifies a first point on the first image and a second point on the predetermined space, calculates a degree of matching between the first point and the second point, based on a positional relationship between the first point on the first image and the feature part of the object, and a positional relationship between the second point on the predetermined space and the feature part of the object on the predetermined space, and causes a display unit to display the calculated degree of matching.

Image processing apparatus, method of controlling the same, and non-transitory computer-readable storage medium

An image processing apparatus, comprises an image acquiring unit that acquires a plurality of object images captured by imaging an object for a plurality of times; a shape acquiring unit that acquires shape information, which is information representing a shape of the object; an image dividing unit that divides each of the plurality of object images into at least two partial images, based on the shape information; and an image registering unit that registers the divided partial images.

Image processing 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.

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Urayasu, Japan

Takaaki Endo