A61B6/52

Radiation imaging system, radiation imaging method, control apparatus, and computer-readable medium
11047809 · 2021-06-29 · ·

A radiation imaging system including an image acquisition unit configured to acquire a radiographic image based on radiation, an image processing setting unit configured to set multiple types of image processing for a specific imaging procedure, an image processing unit configured to perform the multiple of types of image processing set by the image processing setting unit on a radiographic image acquired in the specific imaging procedure to generate multiple radiographic images, and an association setting unit configured to set whether the multiple radiographic images generated by the image processing unit are to be associated with one another.

IMAGING SYSTEMS AND METHODS

The present disclosure is related to imaging systems and methods. The method includes obtaining image data of a subject to be scanned by a medical device. The method includes determining a scan range of the subject based on the image data. The scan range includes at least one scan area of the subject. The method includes determining at least one parameter value of at least one scan parameter based on the at least one scan area of the subject.

SYSTEMS AND METHODS FOR REDUCING COLORED NOISE IN MEDICAL IMAGES USING DEEP NEURAL NETWORK

Methods and systems are provided for de-noising medical images using deep neural networks. In one embodiment, a method comprises receiving a medical image acquired by an imaging system, wherein the medical image comprises colored noise; mapping the medical image to a de-noised medical image using a trained convolutional neural network (CNN); and displaying the de-noised medical image via a display device. The deep neural network may thereby reduce colored noise in the acquired noisy medical image, increasing a clarity and diagnostic quality of the image.

Intelligent atlas for automatic image analysis of magnetic resonance imaging

A non-invasive imaging system, including an imaging scanner suitable to generate an imaging signal from a tissue region of a subject under observation, the tissue region having at least one substructure; a signal processing system in communication with the imaging scanner to receive the imaging signal from the imaging scanner; and a data storage unit in communication with the signal processing system, wherein the data storage unit stores an anatomical atlas comprising data encoding spatial information of the at least one substructure in the tissue region, and a pathological atlas corresponding to an abnormality of the tissue region, wherein the signal processing system is adapted to automatically identify, using the imaging signal, the anatomical atlas, and the pathological atlas, a presence of the abnormality or a pre-cursor abnormality in the subject under observation.

SYSTEMS AND METHODS FOR DYNAMIC SCANNING WITH MULTI-HEAD CAMERA
20210161500 · 2021-06-03 ·

A nuclear medicine (NM) multi-head imaging system is provided that includes a gantry, plural detector units mounted to the gantry, and at least one processor operably coupled to at least one of the detector units. The detector units are mounted to the gantry. Each detector unit defines a detector unit position and corresponding view oriented toward a center of the bore. Each detector unit is configured to acquire imaging information over a sweep range corresponding to the corresponding view. The at least one processor is configured to, for each detector unit, determine plural angular positions along the sweep range corresponding to boundaries of the object to be imaged, generate a representation of each angular position for each detector unit position, generate a model based on the angular positions using the representation, and determine scan parameters to be used to image the object using the model.

RADIATION IMAGING APPARATUS, RADIATION IMAGING SYSTEM, AND CONTROL METHOD FOR RADIATION IMAGING SYSTEM
20210149064 · 2021-05-20 ·

A plurality of radiation imaging systems each comprises a radiation imaging apparatus and a control apparatus. The radiation imaging apparatus comprises a communication unit configured to transmit apparatus information for identifying an apparatus to the control apparatus of the radiation imaging system as a movement destination, a display unit configured to display a name and a state of the radiation imaging apparatus, and a display control unit configured to control the display unit. The control apparatus comprises a search unit configured to search for apparatus information usable in the radiation imaging system as the movement destination based on the transmitted apparatus information, a decision unit configured to decide, based on a result of the search, a name to be assigned to the radiation imaging apparatus, and a communication unit configured to transmit the name to the radiation imaging apparatus.

Radiography apparatus

A radiography apparatus sequentially determines, on the basis of the positions of markers as time-sequential feature points (of a plurality of frames), positions at which the markers in the frames are displayed. This makes it possible to display a moving object while the position, direction and size thereof are properly set. Another advantage is that when a plurality of markers are extracted, information relating to the direction and size of the object is retained and the proximal and distal directions of the object and the length of a device (e.g., stent) can be intuitively determined from an image. Since positioning is performed using the plurality of positions of markers and the plurality of display positions, the position and direction of a corrected image to be finally displayed can also be set properly.

SYSTEMS AND METHODS FOR FOCAL POINT POSITION CORRECTION

Systems and methods for determining an offset of a position of a focal point of an X-ray tube is provided. The methods may include obtaining at least one parameter associated with an X-ray tube during a scan of a subject and obtaining a position of a focal point of the X-ray tube. The methods may further include determining a target offset of the position of the focal point based on the at least one parameter and a target relationship between a plurality of reference parameters associated with the X-ray tube and a plurality of reference offsets of reference positions of the focal point. The methods may further include causing, based on the target offset, a correction on the position of the focal point of the X-ray tube.

Dual-layer detector for soft tissue motion tracking

An imaging apparatus includes a first X-ray detector that includes: a low energy scintillator operable to convert an incident X-ray spectrum into a first set of light photons; a first light imaging sensor operable to generate a set of low energy image signals from the first set of light photons, wherein a first exit radiation is a remainder portion of the first incident radiation after the X-ray spectrum passes through the low energy scintillator and the first light imaging sensor; an energy-separation filter operable to absorb or reflect at least a portion of the energy of the first exit X-ray spectrum and convert the first exit X-ray spectrum into a second exit X-ray spectrum; a second X-ray detector that includes: a high energy scintillator operable to convert the second exit X-ray spectrum into a second set of light photons; a second light imaging sensor operable to generate a set of high energy image signals from the second set of light photons; and a processor configured to: generate a high-energy image that is based on the set of high energy image signals and a low-energy image that is based on the set of low energy image signals; and perform a comparison of the high-energy image from the low-energy image to generate a soft tissue image.

Medical imaging system and method for automated medical imaging assistance
10987073 · 2021-04-27 · ·

A medical imaging system includes a gantry, a display device, and a control circuit. The gantry includes detector arms circumferentially spaced apart along a perimeter of a bore and radially movable towards and away from a subject. The control circuit generates a subject shape outline of the subject within the bore based on obtained contour image data of the subject. The control circuit determines designated scan positions of the detector arms based on the subject shape outline. The control circuit displays the subject shape outline on the display device within a gantry visualization that is a graphical representation of the gantry showing the bore. The control circuit displays a set of graphical detector arms on the display screen within the gantry visualization. The graphical detector arms are displayed at the designated scan positions relative to the gantry of the gantry visualization to show a subject-gantry geometric relationship.