Toshiba Medical Systems Corporation

Canon Medical Systems Corporation

Kabushiki Kaisha Toshiba

The State University of New York

Yuichiro Watanabe

Ryoichi Nagae

Takuya Sakaguchi

Yoshiaki Iijima

Yasuto Hayatsu

Yoshinori Shimizu

Jun Sakakibara

Hisato Takemoto

Kunio Shiraishi

Yusuke Kanno

Naoki Uchida

Satoru Ohishi

Masahiro Ozawa

Manabu Tanaka

Shingo Abe

Ko Fuchigami

Naotaka Sato

Ryuji Zaiki

Yoshiyasu Hayashi

Masanori Matsumoto

Kazuo Imagawa

Teruomi Gunji

Katsuie Ikawa

Daniel R Bednarek

Satoshi Yamashita

Masaki Akiyama

Yoshiteru Kobayashi

Saki Hashimoto

Takuya Aida

Vijay Rana

According to one embodiment, a medical image processing apparatus includes processing circuitry. The processing circuitry acquires correspondence information, based on 3D medical image data of an object, that corresponds a blood vessel to information on a dominant area of the blood vessel in a region of the object. The processing circuitry acquires a plurality of X-ray images each including the blood vessel that are collected at different time phases on the object. The processing circuitry identifies, based on the plurality of X-ray images, a flow changed vessel in which blood flow has changed between the different time phases. The processing circuitry performs registration between the flow changed vessel and the 3D medical image data. The processing circuitry estimates information on the dominant area corresponding to the flow changed vessel based on registration results and the acquired correspondence information.

Medical image processing apparatus, X-ray diagnostic apparatus, and storage medium

In one embodiment, an X-ray diagnostic apparatus includes an X-ray source, an X-ray detector, an arm, and processing circuitry. The arm supports the X-ray source and the X-ray detector. The processing circuitry identifies a three-dimensional running direction of a blood vessel of an object from a plurality of images that are obtained by using the X-ray source and the X-ray detector to image the object from at least two different angles, and controls positions of the X-ray source and the X-ray detector by using the arm in such a manner that a target position of the blood vessel is imaged from the at least two different directions determined depending on the three-dimensional running direction.

X-ray diagnostic apparatus and medical information processing apparatus

According to one embodiment, an image processing device includes processing circuitry. The processing circuitry sequentially acquires image data of time-sequential DSA images of an object, and acquires a parameter value for each pixel based on temporal change of a pixel value of the each pixel corresponding to the same region of the object in the sequentially acquired image data of time-sequential DSA images. Further, the processing circuitry sequentially generates image data of parameter images in such a manner that identification information according to the parameter value is assigned to the each pixel corresponding to the same region of the object, each time image data of a DSA image of the latest time phase being acquired.

Image processing device and X-ray diagnostic apparatus

An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry extracts a fixed object included in chronologically collected X-ray images and having a substantially fixed position. The processing circuitry detects a target object included in each of the X-ray images, on the basis of extraction results of the fixed object. The processing circuitry generates a plurality of corrected images by a correction process to substantially match, with a reference position, the detected position of the target object in an X-ray image other than a reference X-ray image, the reference position being the detected position of the target object in the reference X-ray image.

Image processing apparatus, x-ray diagnostic apparatus, and image processing method

According to one embodiment, a gesture detection supporting system for an X-ray diagnosis includes memory circuitry, a sensor, processing circuitry and an attaching instrument. The memory circuitry stores an operation content of an X-ray diagnostic apparatus. The operation content is related to a gesture by a user. The sensor senses a gesture. The processing circuitry detects the gesture, based on an output from the sensor; acquire the operation content of the X-ray diagnostic apparatus, from the memory circuitry, based on a detection result of the gesture; and output operation information to the X-ray diagnostic apparatus, based on the operation content. The attaching instrument attaches the sensor to a ceiling of an examination room, an arm for driving an X-ray tube and an X-ray detector, an intravenous drip stand, an injector of a contrast agent, an X-ray protective board and/or a display for displaying an X-ray image.

Gesture detection supporting system for X-ray diagnosis

An X-ray diagnostic apparatus includes a display, a holding device, bed device, a gesture detecting device and a processing circuitry. The holding device includes an X-ray irradiator, an X-ray detector, and a supporter that supports the X-ray irradiator and the X-ray detector. The bed device is available to place an object on. The gesture detecting device recognizes a gesture of a person. The processing circuitry identifies a state of the X-ray diagnostic apparatus based on at least one of the display, the X-ray irradiator, the X-ray detector, the holding device and the bed device, determines an operation detail based on a combination of the identified state and the recognized gesture, and operates at least one of the display, the holding device, the bed device, a speaker and a room light according to the determined operation detail.

X-ray diagnostic apparatus

An X-ray diagnostic apparatus of an embodiment includes processing circuitry. The processing circuitry acquires two medical images, a moving distance of a region of interest between the medical images corresponding to a distance derived from a parallax angle. The processing circuitry causes a display to display a stereoscopic image based on the medical images.

An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry detects the position of an object included in each of sequentially generated X-ray images. The processing circuitry generate corrected images by a correction process to substantially match, with a reference position, the detected position of the object in a X-ray image generated after a reference X-ray image, the reference position being the detected position in the reference X-ray image. The processing circuitry determines an addition condition of each region of a sequentially generated corrected image. The processing circuitry causes a display to display an added image to which a corrected image is added in accordance with the determined addition condition.

Image processing apparatus and X-ray diagnosis apparatus

According to one embodiment, an image processing apparatus includes processing circuitry. The processing circuitry obtains a parameter value representing temporal information on blood flow for each pixel of multiple image data items, and generates a parameter image by determining a pixel value of each pixel according to the parameter value representing the temporal information on blood flow. The processing circuitry further generates a composite image of an X-ray fluoroscopic image of an object obtained in real time and a road map image using at least a part of the parameter image, and causes a display to display the composite image.

Image processing apparatus, X-ray diagnostic apparatus, and image processing method

An X-ray diagnostic apparatus of an embodiment includes an image generator, a detection unit, and an irradiation control unit. The image generator successively generates X-ray images based on X-rays emitted from an X-ray tube and transmitted through a subject. The detection unit detects a position of a predetermined target included in the successively generated X-ray images. The irradiation control unit identifies, based on the detected position of the predetermined target, a region in which the predetermined target can be visualized in the X-ray images, and performs control to reduce an X-ray irradiation dose to a region other than the identified region.

According to one embodiment, a medical image processing apparatus includes processing circuitry. The processing circuitry obtains time changes in intensity of image signals corresponding to a contrast agent or a blood flow based on at least one of time series contrast image data, time series non-contrast image data, and time series subtraction image data between the contrast image data and the non-contrast image data, generate color image data, having color pixel values based on the time changes in the image signals, according to a color scale, and display frames of the color image data sequentially on a display. The processing circuitry performs a loop playing of the frames of the color image data by sequentially shifting the color scale in a direction of a color phase change, at pixels of the color image data, until an instruction for stopping the loop playing is input from an input circuit.

Medical image processing apparatus, X-ray diagnostic apparatus, medical image processing method, and X-ray diagnostic method

An X-ray diagnostic apparatus according to an embodiment includes an X-ray generator, processing circuitry, and a display unit. The X-ray generator radiates an X-ray. The processing circuitry obtains an exposure dose of a subject due to the X-ray radiated from the X-ray generator and generates an image in which a dose distribution based on the exposure dose is superimposed on a three-dimensional model representing the subject. The display unit displays the image. The processing circuitry generates an image in which the dose distribution on a body surface on a rear side when observed in a first view direction, serving as a direction in which the three-dimensional model is displayed, is visible.

An X-ray diagnostic apparatus in embodiments includes a calculating module, a generator, and a changing module. The calculating module calculates feature quantity concerning a flow of a contrast material for each pixel in a predetermined section based on temporal transition in signal intensity of the contrast material in a predetermined section of a plurality of X-ray images radiographed with time by using the contrast material. The generator generates a first color image in which color information corresponding to the feature quantity concerning the flow of the contrast material in a first section as the predetermined section is reflected in each pixel. The changing module changes the predetermined section to a second section that is within the first section. the generator generates a second color image in which color information corresponding to the feature quantity concerning the flow of the contrast material in the second section is reflected in each pixel based on the color information corresponding to the second section out of the color information corresponding to the feature quantity concerning the flow of the contrast material in the first section and the feature quantity calculated in the second section.

X-ray diagnostic apparatus and image processing apparatus

According to one embodiment, a dose distribution display apparatus includes storage circuitry, processing circuitry, and display circuitry. The storage circuitry stores position information of a support frame which supports an X-ray tube, and X-ray information concerning X-rays generated by the X-ray tube. The processing circuitry edits at least one of the X-ray information and the position information in accordance with an operator instruction, and generates a plurality of simulated dose distributions in time series based on the X-ray information and the position information, at least one of which has been edited, The display circuitry sequentially superimposes and displays the simulated dose distributions on an object model.

Dose distribution display apparatus and an X-ray diagnostic apparatus

According to one embodiment, an image processing device includes processing circuitry. The processing circuitry acquires a plurality of first image data indicating a plurality of time-sequential bloodstream images obtained after administering contrast agent to an object, and sets a target region on second image data. The second image data are generated based on the plurality of the first image data so as to indicate information on temporal change of pixel values of each pixel. Further, the processing circuitry selects a reproduction section by selecting at least reproduction-start image data and reproduction-end image data from the plurality of first image data based on bloodstream information of the target region.

Growing community of inventors

Yaita, Japan

Yuichiro Watanabe