Abstract: A medical image processing apparatus includes: a receiver which receives target image data that is including a first perspective image and a second perspective image, photographing an object from different directions; a first acquirer which acquires positional information of a specified point on the first perspective image; a second acquirer which acquires positional information of a candidate point on the second perspective image, the candidate point corresponding to the specified point; and a generator which generates a first enlarged image obtained by enlarging a part of the first perspective image neighboring the specified point and a second enlarged image obtained by enlarging a part of the second perspective image neighboring the candidate point.

Abstract: According to an embodiment, a treatment system includes a plurality of first radiators, a plurality of detectors, a determiner, and a controller. Each of the first radiators irradiates a radioactive beam to a subject. Each of the detectors detects a radioactive beam transmitted through the subject and generates an image based on the detected radioactive beam. The determiner determines whether an object in the subject is included in a first region using a given image that is one of the images. The controller controls the first radiators so that, when the object is not included in the first region, a smaller amount of radioactive beams is irradiated per unit time than when the object is included in the first region.

Abstract: According to an image processor of one embodiment, a first acquirer acquires a first perspective image of a target, which has a first resolution. A second acquirer acquires a second perspective image of the target, which has a second resolution. A first image generator generates first and second display images respectively from the first and second perspective images. The first and third display images have a third resolution lower than at least one of the first and second resolutions. A first point acquirer acquires first and second corresponding points respectively on the first and second display images. A first corrector searches, on the second perspective image, a second image similar to a first image on the first perspective image, the first image including the first corresponding point, and changes, on the second perspective image, a position of the second corresponding point to a position of the second image.

Abstract: A radiotherapy apparatus includes an receiver receiving a first projection image of a calibration object under X-ray imaging; a storing portion storing an ideal projection image of the calibration object, the ideal projection image generated based on design information of an X-ray imaging structure, positional information of the calibration object, and volume data of the calibration object; a calculator calculating a transformation parameter for transforming the first projection image into an ideal projection image; a transformed image generator generating a transformed projection image of the patient by transforming a second projection image of a patient obtained under X-ray imaging with the transformation parameter; a reconstructed image generator generating a reconstructed projection image based on volume data of the patient, positional information of the patient, and the design information; and a matching image generator generating a matching reference image used for matching between the transformed proje

Abstract: According to some embodiments, an image processor includes a perspective image generator, a perspective image acquirer, a corresponding point acquirer, a first calculator and a display image generator. The first calculator updates the position of the one or more first corresponding point on the first perspective image, based on a difference in position between the first and second perspective images. The display image generator generates a first display image including the first and second perspective images, the one or more first corresponding points updated on the first perspective image, and the one or more second corresponding points on the second perspective image. The perspective image generator changes the first direction into a third direction based on the difference in position between the first and second perspective images, and generates an updated one, viewed in the third direction, of the first perspective image.

Abstract: A medical image processing apparatus of an embodiment has acquisitor, a first landmark detector, and an estimator. The acquisitor acquires a perspective image of an object to be treated imaged by an imaging apparatus. The first landmark detector detects a position of a landmark that appears in the perspective image acquired by the acquisitor. The estimator, based on relationship information indicating a relationship between the position of landmark and the position of a target, estimates the position of the search-for location of the object to be treated from the position of the landmark detected by the first landmark detector.

Abstract: A medical image generation apparatus includes: a three-dimensional image acquisition unit that acquires a three-dimensional image in which a space including a patient is captured; an imparting unit that imparts, to each of voxels constituting the three-dimensional image, a living-body likelihood coefficient indicating a likelihood of being a living-body region of the patient; an updating unit that updates a luminance value of the voxel in which the imparted living-body likelihood coefficient shows a given value, through predetermined processing; a virtual viewpoint setting unit that sets a virtual viewpoint for transforming the three-dimensional image into a two-dimensional radiation image; and a radiation image generation unit that calculates a luminance value of a pixel constituting the radiation image based on the luminance value of the voxel existing along a line connecting each of the corresponding pixels and the virtual viewpoint.

Abstract: According to some embodiments, an image processor includes an image generator, a region acquirer, and a label applicator. The region acquirer acquires at least one two-dimensional region designated on at least one first perspective image generated from three-dimensional volume data of a target. The label applicator applies a label on at least one first three-dimensional region. The at least one first three-dimensional region is a part of a second three-dimensional region. The second three-dimensional region is defined by the at least one two-dimensional region, a point and a surface which is defined by a set of straight lines between the point and the boundary of the two-dimensional region. The first three-dimensional region is defined to be a first overlapping region where the three-dimensional volume data and the second three-dimensional region overlap.

Abstract: According to one embodiment, a medical image processing apparatus includes storage circuitry and processing circuitry. The storage circuitry stores a plurality of images acquired by transmitting ultrasonic waves in different scanning parameters to a target region. The processing circuitry separates a pixel value of a pixel in the images into at least two components. The processing circuitry forms a compound image concerning to the images by using at least one of the components.

Abstract: According to one embodiment, a medical image processing apparatus, includes: a first acquisition unit; a second acquisition unit; and a part-removed image generation unit, wherein the first acquisition unit is adapted to acquire a first radiograph that is a virtual radiograph generated to have a specified part or a predetermined part, among parts included in volume data indicative of a three-dimensional structure of an inside of a body of a patient, being emphasized, the second acquisition unit is adapted to acquire a second radiograph of the inside of the body of the patient, and the part-removed image generation unit is adapted to generate a part-removed image by removing the specified or predetermined part or parts other than the specified or predetermined part from the second radiograph with reference to the first radiograph.

Abstract: A magnetic resonance apparatus of the present embodiment includes: a gantry which includes a static field magnet, a gradient coil and an RF coil to image an object; processing circuitry; a memory that stores processor-executable instructions that, when executed by the processing circuitry, cause the p processing circuitry to detect at least one position of an aortic valve and a pulmonary valve from three-dimensional image data including a heart of the object, as at least one characteristic region inside the heart, specify a position of an imaging cross-section substantially orthogonal to a bloodstream path inside the heart based on the position of the aortic valve or the pulmonary valve, and cause the gantry to image the imaging cross-section of the object at the specified position of the imaging cross-section.

Abstract: A medical diagnosis apparatus of embodiments includes a scanner and processing circuitry. The scanner configured to scan a three-dimensional region including a target region and acquire data of the three-dimensional region. The processing circuitry is configured to discretely arrange fixed points framing three-dimensional shape of the target region in a first medical image based on the data. The processing circuitry is configured to set a boundary of region of interest (ROI) on the three-dimensional shape of the target region according to a position of the fixed point. The processing circuitry is configured to receive an instruction to change a position of the boundary from an input device controlled by a user. The processing circuitry is configured to change the position of the boundary based on a position or positions of at least one of the fixed points according to the instruction while maintaining positions of the fixed points.

Abstract: A medical diagnostic apparatus according to one embodiment comprises processing circuitry. The processing circuitry is configured to acquire a three-dimensional shape of a first part based on a contour of the first part in each of a plurality of sectional images intersecting each other along an extending direction of the first part connecting to a cardiac chamber; acquire a three-dimensional shape of a second part, based on a contour of the second part in a sectional image along an extending direction of the second part connecting to the cardiac chamber; and generate a three-dimensional image representing at least some of the first part, the second part, and the cardiac chamber using a three-dimensional shape representing the cardiac chamber and the three-dimensional shapes of the first part and the second part acquired.

Abstract: According to some embodiments, an image processor includes an image acquirer, a first image generator, a point acquirer, a detector, a calculator and a determiner. The detector detects a second plurality of points in the first perspective images or the second perspective images corresponding to the first plurality of points. The calculator calculates, based on at least the first plurality of points and the second plurality of points, a difference in position of the target between when the first perspective images were captured and when the second perspective images were generated. The determiner determines whether or not the difference is in a range. If the difference is not in the range, then the first image generator generates updated ones of the second perspective images from an updated one of the volume data, which is different by the difference from a previous one of the volume data.

Abstract: According to an embodiment, an ultrasonic diagnostic apparatus includes an acquirer, first and second generators, and a display controller. The acquirer acquires a 3D ultrasonic image including a heart. The first generator generates a first cross-sectional image of the 3D ultrasonic image including a first axis passing through a second portion in the 3D ultrasonic image and including a third portion. The second portion is a portion by which one of blood inflow into a first portion which is an atrium or a ventricle and blood outflow from the first portion is performed. The third portion is a portion by which another of the blood inflow and the blood outflow is performed. The second generator generates a second cross-sectional image of the 3D ultrasonic image which includes a second axis passing through the third portion and which intersects with the first cross-sectional image. The display controller displays the cross-sectional images.

Abstract: According to some embodiments, an image processor includes an image acquirer, a first image generator, a point acquirer, a detector, a calculator and a determiner. The detector detects a second plurality of points in the first perspective images or the second perspective images corresponding to the first plurality of points. The calculator calculates, based on at least the first plurality of points and the second plurality of points, a difference in position of the target between when the first perspective images were captured and when the second perspective images were generated. The determiner determines whether or not the difference is in a range. If the difference is not in the range, then the first image generator generates updated ones of the second perspective images from an updated one of the volume data, which is different by the difference from a previous one of the volume data.

Abstract: [Object] The invention is intended to provide a medical image processing apparatus in which improvement of accuracy of boundary detection of a heart is achieved. [Solving Means] A medical image processing apparatus acquires volume data of a heat, detects a three-dimensional left ventricle coordinate system composed of three axes including at least a left ventricle long axis of the heart from the volume data; uses a boundary model expressed in the left ventricle coordinate system and detects a left ventricle boundary from the volume data, and displays a cross-sectional image orthogonal to at least one axis of the three axes of the left ventricle coordinate system together with the detected left ventricle boundary on the cross-sectional image.

Abstract: According to some embodiments, an image processor of an embodiment has an imaging parameter acquirer and a virtual perspective image generator. The imaging parameter acquirer acquires an imaging parameter which is used by a radiographic imaging apparatus in capturing a perspective image of a target. The virtual perspective image generator determines a method of generating a virtual perspective image from volume data acquired by capturing the target in accordance with the imaging parameter. The virtual perspective image generator generates the virtual perspective image from the volume data in accordance with the determined method.

Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a processor and a memory. The memory stores processor-executable instructions that cause the processor to detect cross-sectional positions of a plurality of cross-sectional images to be acquired in an imaging scan from volume data; acquire the cross-sectional images in sequence based on the cross-sectional positions by executing the imaging scan; and after the first cross-sectional image is acquired in the imaging scan, generate a display image, and display the display image on a display, the display image being an image in which a cross-sectional position of a second cross-sectional image which is detected from the volume data is superimposed on the first cross-sectional image, the second cross-sectional image being a cross-sectional image before being acquired and intersecting with the first cross-sectional image.

Abstract: According to an image processor of one embodiment, a first acquirer acquires a first perspective image of a target viewed in a first direction. A second acquirer acquires a second perspective image of the target viewed in a second direction at a time different from when the first acquirer acquires the first perspective image. The second direction is substantially the same as the first direction. The second time is different from the first time. A point acquirer acquires first information indicating a first position of a first point on the first perspective image, and a second information indicating a second position of a second point on the second perspective image. An image generator generates an image that is based on the first and second perspective images, wherein a first coordinate of the first perspective image is changed so that the first point corresponds to the second point.