According to one embodiment, an X-ray diagnostic apparatus includes processing circuitry. The processing circuitry is configured to specify a position of a pathological abnormality candidate and a pathological abnormality type of a breast of a subject from a plurality of pieces of tomographic images obtained by performing tomosynthesis imaging on the breast. The processing circuitry is configured to, in a two-dimensional image obtained by performing X-ray imaging on the breast, perform image processing on a position corresponding to the position of the specified pathological abnormality candidate in accordance with the pathological abnormality type.

The electronic cassette includes a portable housing. A CPU of the electronic cassette functions as a RW controller, a first determination unit, and a mode controller. The RW controller acquires a standard pose as a pose of the housing in a stored state, in which the housing is stored in a storage portion of a movable radiography apparatus, from a ROM. The first determination unit determines whether the housing is in the stored state or a taken-out state, in which the housing is taken out from the storage portion, based on the standard pose and a current pose as a current pose of the housing detected by a pose detection sensor. The mode controller switches the drive mode from the sleep mode to the radiography mode in a case where the first determination unit determines that the housing is brought from the stored state into the taken-out state.

An improved dual energy CT imaging system for providing improved imaging and improved material identification.

According to one embodiment, a medical image processing apparatus includes processing circuitry. The processing circuitry is configured to obtain time changes of concentrations of a contrast agent, based on at least X-ray contrast image data; generate a gray scale or a color scale by assigning a change in pixel value for at least one period, to a period shorter than a period from an initial time to an ending time of the time changes of the concentrations of the contrast agent; and generate blood vessel image data according to the gray scale or the color scale. The blood vessel image data have pixel values corresponding to times at which the concentrations of the contrast agent become a specific condition.

An x-ray examination arrangement includes an x-ray radiation source arranged at a source position, at least two x-ray detectors having active detector areas and being arranged such that the active detector areas capture different solid angle ranges with respect to x-ray radiation produced by the x-ray radiation source and emanating from the source position, and a control device configured to calculate a projection onto a virtual detector plane based on radiographs respectively captured by the at least two x-ray detectors and spatial poses of the at least two x-ray detectors relative to the source position, and provide a combined radiograph for the virtual detector plane based on the projection. In addition, a method for operating the x-ray examination arrangement and a computed tomography device are provided.

A system and a method are disclosed that allow for generation of a model or reconstruction of a model of a subject based upon acquired image data. The image data can be acquired in a substantially mobile system that can be moved relative to a subject to allow for image acquisition from a plurality of orientations relative to the subject. The plurality of orientations can include a first and final orientation and a predetermined path along which an image data collector or detector can move to acquire an appropriate image data set to allow for the model of construction.

A method of monitoring a patient includes: obtaining an input image having a plurality of regions of interest by a processing unit; and determining a plurality of positions for the respective plurality of regions of interest by the processing unit; wherein the act of determining the plurality of positions comprises: accessing a plurality of templates; comparing the plurality of templates with respective areas in the input image using a comparator in the processing unit; and determining the plurality of positions based at least in part on a result of the act of comparing.

An X-ray image processing method, including obtaining a first X-ray image of an object including a plurality of materials including a first material and a second material different from the first material; obtaining three-dimensional (3D) information about the object using a 3D camera; obtaining first information about a thickness of the object based on the 3D information; and obtaining second information related to a stereoscopic structure of the first material by decomposing the first material from the object using the first information and the first X-ray image.

Provided is a technology with which defective pixel information in taking a radiation image and defective pixel information in detecting a dose can be generated efficiently. Provided is a radiation imaging apparatus including: a plurality of pixels arranged to convert radiation into an electric signal; and a generation unit configured to generate, based on the electric signal obtained as a result of the conversion by the plurality of pixels, first defective pixel information indicating a defective pixel in taking a radiation image of the plurality of pixels, and second defective pixel information indicating a defective pixel in detecting a dose of the plurality of pixels.

A radiation dose received by a patient from a radiation therapy system can be verified by acquiring a cine stream of image frames from an electronic portal imaging device (EPID) that is arranged to detect radiation exiting the patient during irradiation. The cine stream of EPID image frames can be processed in real-time to form exit images providing absolute dose measurements at the EPID (dose-to-water values), which is representative of the characteristics of the radiation received by the patient. Compliance with predetermined characteristics for the field can be determined during treatment by periodically comparing the absolute dose measurements with the predetermined characteristics, which can include a predicted total dose in the field after full treatment and/or a complete irradiation area outline (CIAO). The system operator can be alerted or the irradiation automatically stopped when non-compliance is detected.