Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry that obtains first X-ray images, a second X-ray image taken later than the first X-ray images, first biological information to a periodic movement of a subject at the times of taking the first X-ray images and second biological information to a periodic movement of the subject at the time of taking the second X-ray image; detects a characteristic position to a first device from each of the first X-ray images; associates the characteristic position with a time phase in the first biological information, based on the first X-ray images and first biological information; and displays device information to the first device superimposed on the second X-ray image, by using a result of the associating and time phase in the second biological information.

Abstract: In one embodiment, a medical image processing apparatus includes: processing circuitry configured to extract 3D blood vessel data of an object from 3D image data of the object, detect a tip position of a medical device moving in a blood vessel in real time from a fluoroscopic image of the object inputted during an operation, and calculate at least one of a recommended route and a recommended direction of the medical device from the 3D blood vessel data, a rough route of the medical device, and the tip position of the medical device; and a terminal device configured to display a 3D blood vessel image of the object generated from the 3D blood vessel data and to designate the rough route of the medical device on the 3D blood vessel image.

Abstract: A medical image-processing apparatus according to an embodiment includes processing circuitry configured to determine a position of a feature point of a device in a first X-ray image, and generate a superimposed image in which a 3D model expressing the device is superimposed on the first X-ray image or a second X-ray image that is acquired later than the first X-ray image. The processing circuitry is configured to superimpose the 3D model on the first X-ray image or the second X-ray image at a position based on the position of the feature point.

Abstract: In one embodiment, a medical image processing apparatus used for a treatment using a device includes a memory configured to store a volume data of an object; and processing circuitry configured to acquire positional information of the device, set, in an X-ray image generated by imaging an object using X-ray, a region on which a volume-based 2D image generated from the volume data is to be superimposed, based on the positional information of the device, and generate a superimposed image by superimposing the volume-based 2D image on the set region in the X-ray image.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry configured: to acquire a plurality of time series medical images; to determine a feature point in each of the plurality of medical images to calculate moving amounts of the determined feature point between the plurality of medical images; to set a weight coefficient with respect to each of the plurality of medical images, on the basis of the calculated moving amounts; and to perform an image processing process by using the plurality of medical images, on the basis of the weight coefficients.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes processing circuitry configured to acquire a plurality of X-ray images over time based on X-rays having passed through a subject injected with a contrast agent, to calculate a blood vessel region corresponding to an inflow path of the contrast agent leading to a predetermined position in the blood vessel region, based on a temporal transition of signal intensities of the contrast agent in the blood vessel region represented in the X-ray images, and to perform control to display the blood vessel region corresponding to the inflow path in a display mode that is different from that of a blood vessel region other than the inflow path on a display.

Abstract: A medical image-processing apparatus according to an embodiment includes processing circuitry configured to determine a position of a feature point of a device in a first X-ray image, and generate a superimposed image in which a 3D model expressing the device is superimposed on the first X-ray image or a second X-ray image that is acquired later than the first X-ray image. The processing circuitry is configured to superimpose the 3D model on the first X-ray image or the second X-ray image at a position based on the position of the feature point.

Abstract: A medical image processing apparatus according to an embodiment includes processing circuitry configured: to acquire a plurality of time series medical images: to determine a feature point in each of the plurality of medical images to calculate moving amounts of the determined feature point between the plurality of medical images; to set a weight coefficient with respect to each of the plurality of medical images, on the basis of the calculated moving amounts; and to perform an image processing process by using the plurality of medical images, on the basis of the weight coefficients.

Abstract: In one embodiment, a medical image processing apparatus used for a treatment using a device includes a memory configured to store a volume data of an object; and processing circuitry configured to acquire positional information of the device, set, in an X-ray image generated by imaging an object using X-ray, a region on which a volume-based 2D image generated from the volume data is to be superimposed, based on the positional information of the device, and generate a superimposed image by superimposing the volume-based 2D image on the set region in the X-ray image.

Abstract: An X-ray diagnostic apparatus according to an embodiment includes processing circuitry configured to acquire a plurality of X-ray images over time based on X-rays having passed through a subject injected with a contrast agent, to calculate a blood vessel region corresponding to an inflow path of the contrast agent leading to a predetermined position in the blood vessel region, based on a temporal transition of signal intensities of the contrast agent in the blood vessel region represented in the X-ray images, and to perform control to display the blood vessel region corresponding to the inflow path in a display mode that is different from that of a blood vessel region other than the inflow path on a display.