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.

The present disclosure provides a method and apparatus for detecting a dose distribution of an article. The method includes performing a fluoroscopy scanning on the article to be detected, to obtain mass data per unit area or unit volume for each point of the article to be detected; obtaining corresponding dose distribution data based on the mass data per unit area or unit volume and a preset mapping model, wherein the preset mapping model includes a mapping relationship between mass per unit area or unit volume and the dose distribution of the article under irradiation of a preset amount of energy; and matching the dose distribution data with a fluoroscopy image of the article to be detected, to generate and display a radiation image.

According to one embodiment, an X-ray diagnosis apparatus includes an X-ray tube, an X-ray detector, an operating unit, and processing circuitry. The processing circuitry determines a focal-spot size of X-rays in second moving picture imaging after first moving picture imaging, based on an output of the X-ray detector in the first moving picture imaging, and determines a focal-spot size of X-rays in third moving picture imaging after the second moving picture imaging, based on an output of the X-ray detector in the second moving picture imaging.

An image acquisition unit acquires two radiographic images based on radiation which has different energy distributions and has been transmitted through a subject including a soft part and a bone part. An attenuation coefficient derivation unit derives a difference between a value of an attenuation coefficient of the soft part×a thickness of the soft part+an attenuation coefficient of the bone part×a thickness of the bone part and each pixel value of the radiographic image for each of the different energy distributions while changing the attenuation coefficient of the soft part for each of the different energy distributions, the thickness of the soft part, the attenuation coefficient of the bone part for each of the different energy distributions, and the thickness of the bone part from initial values and derives the attenuation coefficient of the soft part and the attenuation coefficient of the bone part for each of the different energy distributions at which the difference is minimized or the difference is less than a predetermined threshold value.

An information processing apparatus includes a bone part image generation unit that generates a bone part image in which a bone part of a subject is highlighted, from a first radiographic image and a second radiographic image acquired by radiation having different energy distributions transmitted through the subject, a bone mineral content derivation unit that derives a bone mineral content for each pixel of the bone part image, and a postoperative information derivation unit that, based on a bone mineral content around an artificial object implanted in the bone part of the subject, derives information indicating a state of the bone part of the subject after the artificial object is implanted in the bone part of the subject, as postoperative information.

A radiation imaging system includes a detector including a plurality of pixels which obtain pixel values corresponding to incident radiation transmitted through a subject, and an information processing unit configured to perform a process of estimating information on thicknesses of substances included in the subject using pixel values of an arbitrary one of the plurality of pixels, an average value of energy of radiation quanta of the arbitrary pixel calculated in accordance with the pixel values of the arbitrary pixel, a first table indicating the relationship between the pixel values of the arbitrary pixel and the thicknesses of the substances included in the subject, and a second table indicating the relationship between the average value of the energy of the radiation quanta of the arbitrary pixel and the thicknesses of the substances included in the subject.

Systems and methods include control of a nuclear imaging scanner to acquire nuclear imaging scan data of a body, control of a computed tomography scanner to acquire computed tomography scan data of the body, identification of one or more internal volumes of the body based on the nuclear imaging scan data, each of the one or more internal volumes associated with radioactivity greater than a threshold level, determination, for each of the one or more internal volumes, of a classification indicating a degree of clinical interest based at least in part on the radioactivity associated with the internal volume, generation of an attenuation coefficient map based on the computed tomography scan data, determination of a scanning speed associated with each of a plurality of scanning coordinates based on locations of the one or more internal volumes, the classification determined for each of the one or more of the internal volumes, and the attenuation coefficient map, and control of the nuclear imaging scanner to scan the body over each of the scanning coordinates at the associated scanning speed.

A system includes a storage device storing a set of instructions and at least one processor in communication with the storage device, wherein when executing the instructions, the at least one processor is configured to cause the system to determine a first scan area on a scanning object. The system may also acquire raw data generated by scanning the first scan area on the scanning object and generate a positioning image based on the raw data. The system may also generate a pixel value distribution curve based on the positioning image, and determine a second scan area on the scanning object based on the pixel value distribution curve. The system may also scan the second scan area on the scanning object.

Provided is an image analysis apparatus including a hardware processor that analyzes at least one dynamic radiograph formed from a plurality of two-dimensional images acquired by radiographing dynamics of a subject including a trachea and/or a bronchus to measure a feature amount representing a stenotic state of the trachea and/or the bronchus, and estimates the stenotic state of the trachea and/or the bronchus based on a result of the measurement.

The present disclosure discloses methods and systems for obtaining a radiographic image. The method may include obtaining a control instruction for controlling an imaging device to image a subject; determining, based on information reflecting a user's behavior in using the imaging device, adjustment parameters of a radiation generating device in the imaging device; and based on the control instruction, determining target exposure parameters at least based on a parameter control curve or biological information of the subject, the parameter control curve including a preset first parameter control curve or a second parameter control curve determined based on operation data of the imaging device, and the biological information including at least a weight and an overall content of each component of the subject; and imaging, based on the target exposure parameters, the subject to obtain the radiographic image.