Abstract: 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.

Abstract: A supporting device according to an embodiment includes a holder, a supporter, and a controller. The holder holds a user terminal that includes a detection surface that detects an input operation by an operator. The supporter is connected to the holder and is movably provided so as to locate a user terminal at a predetermined position, the user terminal being held by the holder. The controller fixes the supporter in a state where the supporter is located at a predetermined position when the detection surface detects the input operation.

Abstract: 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.

Abstract: A navigation apparatus for assisting navigation of a device through tissue comprises processing circuitry configured to receive volumetric medical imaging data representative of an anatomical region, the anatomical region comprising a region of tissue to be traversed by a device; process the volumetric medical imaging data to identify different types of tissue in the region of tissue; determine a position of the device; and process the volumetric medical imaging data to obtain a virtual endoscopic view of at least part of the region of tissue, the virtual endoscopic view comprising a virtual representation of the device in its determined position; wherein the virtual endoscopic view is rendered such as to visually distinguish the identified different types of tissue, thereby assisting navigation of the device through the region of tissue.

Abstract: A medical diagnostic-imaging apparatus according to an embodiment includes processing circuitry. The processing circuitry acquires three-dimensional medical image data in which a subject is imaged. The processing circuitry extracts a movable range of a probe based on a structure of the subject shown in the three-dimensional medical image data. The processing circuitry sets a target scan region to be a subject to scanning by the probe based on the extracted movable range. The processing circuitry displays the target scan region in the three-dimensional medical image data.

Abstract: According to one embodiment, a medical image diagnostic apparatus includes a storage unit, a blood flow information generation unit and a blood flow inhibition index generation unit. The storage unit stores volume data or data of a series of images regarding an organ of an object. The blood flow information generation unit generates, based on the volume data or the data of the series of images, first blood flow information of a first region and second blood flow information of a second region different from the first region. The blood flow inhibition index generation unit generates, based on the first blood flow information and the second blood flow information, a blood flow inhibition index representing a degree of inhibition of a blood flow in a blood vessel regarding the first region or the second region.

Abstract: An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry performs a fluid analysis using image data including a blood vessel to calculate an index value relating to blood flow in the blood vessel. The processing circuitry specifies a plurality of target sites in the blood vessel in the image data. The processing circuitry changes analysis conditions for the fluid analysis corresponding to the positions of the target sites. The processing circuitry causes a display to display, in a comparative manner, the index value relating to blood flow calculated under the changed analysis conditions for the target sites.

Abstract: According to embodiment, an image processing apparatus comprising a specifying unit and a display controller. The specifying unit that specifies an acquisition position of an indicator relating to blood flow on a blood vessel-containing image collected by a medical image diagnostic apparatus. The display controller that displays the acquisition position on the blood vessel-containing image and displays the indicator on a display unit in association with the acquisition position.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to obtain a chronological transition of signal intensities for each of the pixels in a plurality of X-ray images chronologically acquired by using a contrast media. The processing circuitry is configured to correct the chronological transition of the signal intensities on the basis of a level of similarity between at least two mutually-different signal intensities within the chronological transition of the signal intensities.

Abstract: According to one embodiment, a medical image processing apparatus includes an image acquisition part and a data processing part. The image acquisition part is configured to obtain X-ray image data of an object including not less than three phantoms whose X-ray absorption factors are different from each other. The data processing part is configured to generate corrected X-ray image data of the object by correcting the obtained X-ray image data or other X-ray image data. The obtained X-ray image data or the other X-ray image data are corrected using a nonlinear function obtained based on pixel values of the obtained X-ray image data. The pixel values correspond to the phantoms.

Abstract: An X-ray CT apparatus according to an embodiment includes processing circuitry. The processing circuitry collects pieces of image data in a plurality of time phases that contain at least a part of a coronary artery of a heart. The processing circuitry acquires image indexes regarding the pieces of image data. The processing circuitry extracts a set of image data from combinations of pieces of image data having a larger time interval than a predetermined time interval, of the pieces of image data, based on the image indexes in the respective pieces of image data. The processing circuitry performs fluid analysis regarding the coronary artery based on the extracted set of image data to obtain a fluid parameter regarding the coronary artery.

Abstract: According to embodiment, an image processing apparatus comprising a specifying unit and a display controller. The specifying unit that specifies an acquisition position of an indicator relating to blood flow on a blood vessel-containing image collected by a medical image diagnostic apparatus. The display controller that displays the acquisition position on the blood vessel-containing image and displays the indicator on a display unit in association with the acquisition position.

Abstract: A marker-coordinate detecting unit detects coordinates of a stent marker on a new image when the new image is stored in an image-data storage unit; and then a correction-image creating unit creates a correction image from the new image through, for example, image transformation processing, so as to match up the detected coordinates with reference coordinates that are coordinates of the stent marker already detected by the marker-coordinate detecting unit in a first frame. An image post-processing unit then creates an image for display by performing post-processing on the correction image created by the correction-image creating unit, the post-processing including high-frequency noise reduction filtering-processing, low-frequency component removal filtering-processing, and logarithmic-image creating processing; and then a system control unit performs control of displaying a moving image of an enlarged image of a set region that is set in the image for display, together with an original image.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry sets a first region of interest in a region corresponding to cardiac muscle on a cross-section of a heart included in image data. The processing circuitry further sets a second region of interest that is larger than the first region of interest in a region including the region. The processing circuitry determines a threshold for determining a range of signal values used for blood flow dynamic analysis on the image data based on a frequency distribution of signal values in the first region of interest. The processing circuitry carries out blood flow dynamic analysis on the second region of interest using signal values included in a range based on the threshold.

Abstract: An image processing apparatus according to an embodiment includes processing circuitry. The processing circuitry is configured to acquire correction information on a luminance value of a contrast image, based on concentration of a contrast material and thickness of the contrast material in a projection direction in a device that is inserted into a blood vessel, in the contrast image. The processing circuitry is configured to correct the contrast image using the correction information.

Abstract: A marker-coordinate detecting unit detects coordinates of a stent marker on a new image when the new image is stored in an image-data storage unit; and then a correction-image creating unit creates a correction image from the new image through, for example, image transformation processing, so as to match up the detected coordinates with reference coordinates that are coordinates of the stent marker already detected by the marker-coordinate detecting unit in a first frame. An image post-processing unit then creates an image for display by performing post-processing on the correction image created by the correction-image creating unit, the post-processing including high-frequency noise reduction filtering-processing, low-frequency component removal filtering-processing, and logarithmic-image creating processing; and then a system control unit performs control of displaying a moving image of an enlarged image of a set region that is set in the image for display, together with an original image.

Abstract: 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.

Abstract: An image processing apparatus according to an embodiment includes a first frequency image generating circuitry, a second frequency image generating circuitry, a signal detecting circuitry, and a display image generating circuitry. The first frequency image generating circuitry performs, on an object pixel of processing, processing based on a pixel value of a neighboring pixel positioned close to the pixel to generate first frequency image data including a specific contrast component and a first frequency component on image data. The second frequency image generating circuitry performs processing of subtracting the first frequency image data from the image data to generate second frequency image data including a second frequency component. The signal detecting circuitry detects a linear signal derived from a linear structural object from the second frequency image data. The display image generating circuitry generates a display image according to the linear signal detected.

Abstract: According to an embodiment, a medical image display apparatus is accessible to an external device that stores data of a plurality of X-ray images with different imaging angles, or includes a storage unit that stores the data of the plurality of X-ray images. The medical image display apparatus includes a display, a distance specifying unit, an image selector and a display controller. The distance specifying unit specifies a distance of a user to the display. The image selector selects, from the plurality of X-ray images, two X-ray images with an angular difference determined based on the distance of the user. The display controller displays the selected two X-ray images on the display for stereopsis by the user.

Abstract: A medical image-processing apparatus according to embodiments includes processing circuitry. The processing circuitry is configured to acquire image data including a blood vessel of a subject. The processing circuitry is configured to acquire an index value relating to blood flow at each position of the blood vessel by performing fluid analysis of a structure of the blood vessel included in the acquired image data. The processing circuitry is configured to acquire information indicating a display condition of the index value, as switching information to switch a display mode at displaying the index value. The processing circuitry is configured to generate a result image in which pixel values reflecting the index value are assigned in a display mode according to the switching information, for an image indicating a blood vessel of the subject. The processing circuitry is configured to cause a display to display the result image.