Patent application number | Description | Published |
20130012813 | IMAGE PROCESSING APPARATUS AND X-RAY DIAGNOSTIC APPARATUS - According to one embodiment, an image processing apparatus includes a storage unit, an image generation unit, and a display control unit. The storage unit stores the first X-ray fluoroscopy image with a cardiac tissue of an object being contrast-enhanced by a contrast medium and the second X-ray fluoroscopy image with a cardiac lumen of the object being contrast-enhanced by the contrast medium. The image generation unit generates an image by combining the first X-ray fluoroscopy image and the second X-ray fluoroscopy image which are stored in the storage unit. The display control unit causes a display unit to display the image generated by the image generation unit. | 01-10-2013 |
20130137974 | X-RAY IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS AND X-RAY IMAGING METHOD - According to one embodiment, an X-ray imaging apparatus includes an angle acquisition unit and an imaging unit. The angle acquisition unit is configured to acquire an inclined angle of an aorta of an object on a reference image. The imaging unit is configured to display an X-ray image with rotating an angle so as to make a travel direction of the aorta to be a horizontal direction, a vertical direction or a predetermined direction corresponding to a craft. The angle is rotated based on the inclined angle of the aorta. | 05-30-2013 |
20130156154 | X-RAY DIAGNOSIS APPARATUS AND CONTROL METHOD THEREOF - An X-ray diagnosis apparatus includes a radiography image generating unit, a fluoroscopy image generating unit, a display control unit and an irradiation field changing unit. The radiography image generating unit controls an X-ray irradiation device, an X-ray detection device, a retainer, and a bed system, and generates a radiography image by using a radiography irradiation field. The fluoroscopy image generating unit controls the X-ray irradiation device, the X-ray detection device, the retainer, and the bed system, and generates a fluoroscopy image by using a fluoroscopy irradiation field, the fluoroscopy irradiation field being narrower than the radiography irradiation field. The display control unit generates a superimposed image in which the fluoroscopy image is superimposed on a part of the radiography image, and displays the superimposed image on a display device. The irradiation field changing unit changes the fluoroscopy irradiation field with the superimposed image being displayed. | 06-20-2013 |
20130182822 | X-RAY IMAGING APPARATUS AND PROGRAM - According to one embodiment, an X-ray imaging apparatus includes an X-ray generation unit, an X-ray collimator, a dose detection unit, and a dose reduction rate calculation unit. The X-ray generation unit irradiates the object with X-rays. The X-ray collimator limits an X-ray irradiation range of the X-ray generation unit. The dose detection unit detects the X-rays that have passed through the X-ray collimator. The dose reduction rate calculation unit calculates a reduction rate of an exposure dose of the object based on a value detected by the dose detection unit in X-ray imaging before the X-ray irradiation range is limited by the X-ray collimator and a value detected by the dose detection unit in X-ray imaging after the X-ray irradiation range is limited by the X-ray collimator. | 07-18-2013 |
20130195343 | MEDICAL IMAGE PROCESSING APPARATUS, MEDICAL IMAGE PROCESSING METHOD AND X-RAY IMAGING APPARATUS - According to one embodiment, a medical image processing apparatus includes an X-ray image obtaining unit, a marker detection unit, a contrast image generation unit and a display image generation unit. The X-ray image obtaining unit obtains X-ray contrast image data and X-ray fluoroscopic image data. The marker detection unit detects positions of a marker from the X-ray contrast image data, or the X-ray contrast image data and the X-ray fluoroscopic image data. The marker is attached to a device. The contrast image generation unit generates X-ray contrast image data for a combination with a movement correction making the positions of the marker be positions which can be regarded as a same position. The display image generation unit generates X-ray image data for a display by combining the X-ray contrast image data for the combination with the X-ray fluoroscopic image data. | 08-01-2013 |
20130230136 | MEDICAL IMAGE DISPLAY APPARATUS AND X-RAY DIAGNOSIS APPARATUS - A medical image display apparatus according to an embodiment includes a display unit, a generating unit, and a display controlling unit. The display unit three-dimensionally displays a group of disparity images generated from three-dimensional medical image data. The generating unit determines a display position of the group of disparity images to be three-dimensionally displayed on the display unit in terms of a depth direction with respect to a display surface of the display unit and generates the group of disparity images from the three-dimensional medical image data so as to realize the determined display position. The display controlling unit three-dimensionally displays the group of disparity images and two-dimensionally displays a medical image different from the group of disparity images, on the display unit. | 09-05-2013 |
20130243301 | IMAGE-PROCESSING APPARATUS AND X-RAY DIAGNOSTIC APPARATUS - An image processing apparatus according to the present embodiment includes a correcting unit. The correcting unit identifies, based on an observation value of a residual contrast material component that is injected to a subject before a predetermined timing and remains in the subject, the residual contrast material component and a new contrast material component that is newly injected to the subject after the predetermined timing regarding a contrast material component that is included in an image, and corrects an observation value of the contrast material component included in the image. | 09-19-2013 |
20140086461 | METHOD AND SYSTEM FOR DETERMINING TIME-BASED INDEX FOR BLOOD CIRCULATION FROM ANGIOGRAPHIC IMAGING DATA - A predetermined time-based index ratio such as time-based fractional flow reserve (FFR) is determined for evaluating a level of blood circulation between at least two locations such as a proximal location and a distal location in a selected blood vessel in the region of interest. One time-based FFR is obtained by normalizing a risk artery ratio by a reference artery ratio. | 03-27-2014 |
20140112445 | X-RAY DIAGNOSTIC APPARATUS - In an embodiment, an X-ray diagnostic apparatus includes an X-ray irradiator which irradiates a subject with X-rays, an X-ray detector which detects the X-rays emitted from the X-ray irradiator and passing through the subject, a movement mechanism which changes a position of the X-ray detector relative to the subject, a display unit which displays an X-ray image based on the X-rays detected by the X-ray detector, a region setting unit which sets a region of interest in the X-ray image displayed in a display screen of the display unit, and a movement control unit which controls the movement mechanism in such a way that the region of interest set by the region setting unit is kept in the display screen. | 04-24-2014 |
20140135618 | X-RAY DIAGNOSIS APPARATUS AND CONTROL METHOD - A data creation unit of an X-ray diagnosis apparatus that irradiates a treatment target part of a subject with an X-ray and displays the image data of a transmitted X-ray thereon includes a catheter tip detection unit that detects a catheter tip based on the image data, a tip position information storage unit that stores therein position information of the catheter tip for at least one heartbeat based on a detection result of the catheter tip detection unit as transfer trace information, and a support data creation unit that superimposes the transfer trace information onto the present image data to create support data for catheter treatment. | 05-15-2014 |
20140183374 | X-RAY IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, X-RAY IMAGING METHOD AND MEDICAL IMAGE PROCESSING METHOD - According to one embodiment, an X-ray imaging apparatus includes an X-ray image acquisition unit, a reference position acquisition part and a condition setting part. The X-ray image acquisition unit is configured to acquire frames of two dimensional X-ray image data corresponding to mutually different X-ray exposure directions using an imaging system. The reference position acquisition part is configured to obtain a spatially criterial direction and a spatially criterial position with reference to the frames of the X-ray image data. The condition setting part is configured to automatically set at least one of a control condition of the imaging system and an image processing condition of an X-ray image, based on information according to the criterial direction and the criterial position. | 07-03-2014 |
20140192960 | X-RAY IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, X-RAY IMAGING METHOD AND MEDICAL IMAGE PROCESSING METHOD - According to one embodiment, an X-ray imaging apparatus includes an X-ray image acquisition unit, a control system and a display processing part. The X-ray image acquisition unit acquires X-ray image data of an object by using at least one imaging system. The control system controls the imaging system to acquire X-ray image data corresponding to different directions by reciprocating the imaging system repeatedly. The display processing part acquires X-ray image data for stereoscopic viewing out of the X-ray image data corresponding to the different directions to generate and display stereoscopically visible image data on a display unit based on the X-ray image data for the stereoscopic viewing. The X-ray image data for the stereoscopic viewing are acquired in a period without a motion or a possibility of the motion in an imaging part of the object. | 07-10-2014 |
20140198897 | X-RAY IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, X-RAY IMAGING METHOD AND MEDICAL IMAGE PROCESSING METHOD - According to one embodiment, an X-ray imaging apparatus includes an X-ray image acquisition unit, a control system and a display processing part. The X-ray image acquisition unit is configured to acquire X-ray image data of an object by using at least one imaging system. The control system is configured to control the imaging system to acquire frames of X-ray image data corresponding to mutually different not less than three directions by reciprocating the imaging system. The display processing part is configured to generate stereoscopically visible image data with lining up the frames of the X-ray image data in a display order different from an acquisition order of the frames of the X-ray image data. The display order is according to a moving direction of the imaging system. | 07-17-2014 |
20140205061 | X-RAY IMAGING APPARATUS, MEDICAL IMAGE PROCESSING APPARATUS, X-RAY IMAGING METHOD AND MEDICAL IMAGE PROCESSING METHOD - According to one embodiment, an X-ray imaging apparatus includes an X-ray image acquisition unit, a control system and a display processing part. The X-ray image acquisition unit is configured to acquire X-ray image data of an object using at least one imaging system. The control system is configured to control the imaging system to acquire frames of X-ray image data corresponding to mutually different directions by moving the imaging system. At least one of the frames of the X-ray image data are acquired during a movement of the imaging system. The display processing part is configured to generate stereoscopically visible image data based on the frames of the X-ray image data. | 07-24-2014 |
20140341350 | MEDICAL DIAGNOSTIC IMAGING APPARATUS - According to embodiments, in a medical diagnostic imaging apparatus, an imaging unit captures a subject in a second X-ray irradiation area narrower than a first X-ray irradiation area. An X-ray image generating unit generates a first X-ray image in the first X-ray irradiation area and a second X-ray image in the second X-ray irradiation area based on an imaging result by the imaging unit. The adjusting unit calculates a statistic of a pixel value of the first X-ray image and adjusts an operating condition of the imaging unit so that the statistic approaches a threshold. A control unit causes the imaging unit and the X-ray image generating unit to generate the X-ray image based on the adjusted operating condition. Subsequently, the control unit performs control for causing the imaging unit and the X-ray image generating unit to generate the second X-ray image based on the operating condition. | 11-20-2014 |