Patent classifications
G01N23/044
Super-resolution tomosynthesis imaging systems and methods
A super-resolution digital tomosynthesis system for imaging an object including a source configured to emit penetrating particles toward an object; a detector configured to acquire a series of projection images of the object in response to the penetrating particles from the source; positioning apparatus configured to position the source and the detector; and an imaging system coupled to the source, the detector, and the positioning apparatus. The imaging system is configured to control the positioning apparatus to position the source in relation to the detector along a scan path and to change a distance between the source and the detector, control the source and the detector to acquire the series of projection images along the scan path with the distance change between the source and detector, and construct a tomographic volume exhibiting super-resolution from data representing the acquired series of projection images.
System and method for colorizing a radiograph from cabinet X-ray systems
A cabinet X-ray image system for obtaining X-ray images and colorized or grey scale density X-ray images of a specimen includes a sampling chamber for containing the specimen, a display, an X-ray system including, an X-ray source, a photon counting X-ray detector, and a specimen platform, and a controller configured to selectively energize the X-ray source, control the photon counting X-ray detector to collect a projection X-ray image of the specimen when the X-ray source is energized, determine the density of different areas of the specimen from data collected from the photon counting X-ray detector of the projection X-ray image, create a density X-ray image of the specimen wherein different areas of the specimen are indicated as a density or range of densities based on the determined density of different areas of the specimen, and selectively display the density X-ray image of the specimen on the display.
System and method for colorizing a radiograph from cabinet X-ray systems
A cabinet X-ray image system for obtaining X-ray images and colorized or grey scale density X-ray images of a specimen includes a sampling chamber for containing the specimen, a display, an X-ray system including, an X-ray source, a photon counting X-ray detector, and a specimen platform, and a controller configured to selectively energize the X-ray source, control the photon counting X-ray detector to collect a projection X-ray image of the specimen when the X-ray source is energized, determine the density of different areas of the specimen from data collected from the photon counting X-ray detector of the projection X-ray image, create a density X-ray image of the specimen wherein different areas of the specimen are indicated as a density or range of densities based on the determined density of different areas of the specimen, and selectively display the density X-ray image of the specimen on the display.
CORRECTION OF INTRA-SCAN FOCAL-SPOT DISPLACEMENT
Systems/techniques that facilitate correction of intra-scan focal-spot displacement are provided. In various embodiments, a system can access a first gantry angle of a medical scanner. In various aspects, the system can determine a first displacement of a focal-spot of the medical scanner based on the first gantry angle, by referencing a mapping that correlates gantry angles to focal-spot displacements. In various instances, the system can compensate, via one or more focal-spot position adjusters of the medical scanner, for the first displacement.
Real-time inline digital tomosynthesis system
A real-time inline digital tomosynthesis system according to an embodiment of the present disclosure includes a subject moving rail configured to move a subject in a preset direction and at a preset speed, a pair of an X-ray generator and an X-ray detector fixedly provided to face each other in a first direction of the subject moving rail, a subject position identifier configured to identify and notify a current position of the subject based on an image or a sensor, and an image reconstructor configured to obtain a plurality of X-ray images having different subject positions through the X-ray detector based on the current position of the subject, and then reconstruct and output the plurality of X-ray images as at least one of a tomographic image for each section and one three-dimensional (3D) image.
Real-time inline digital tomosynthesis system
A real-time inline digital tomosynthesis system according to an embodiment of the present disclosure includes a subject moving rail configured to move a subject in a preset direction and at a preset speed, a pair of an X-ray generator and an X-ray detector fixedly provided to face each other in a first direction of the subject moving rail, a subject position identifier configured to identify and notify a current position of the subject based on an image or a sensor, and an image reconstructor configured to obtain a plurality of X-ray images having different subject positions through the X-ray detector based on the current position of the subject, and then reconstruct and output the plurality of X-ray images as at least one of a tomographic image for each section and one three-dimensional (3D) image.
Fast 3D radiography using multiple pulsed X-ray sources in motion with C-arm
A C-Arm X-ray imaging system using multiple pulsed X-ray sources in motion to perform efficient and ultrafast 3D radiography is presented. X-ray sources mounted on a structure in motion to form an array. X-ray sources move simultaneously relative to an object on a pre-defined arc track at a constant speed as a group. Each individual source can also move rapidly around its static position in a small distance. When a source has a speed that is equal to group speed but with opposite moving direction, the source at one C-arm end and X-ray flat panel detector at other C-arm end are activated through an external exposure control unit so that source stay momentarily standstill. The C-arm provides 3D X-ray scan imaging over a wide sweep angle and in different position by rotation. The X-ray image can be analyzed by an artificial intelligence module for real-time diagnosis.
Fast 3D radiography using multiple pulsed X-ray sources in motion with C-arm
A C-Arm X-ray imaging system using multiple pulsed X-ray sources in motion to perform efficient and ultrafast 3D radiography is presented. X-ray sources mounted on a structure in motion to form an array. X-ray sources move simultaneously relative to an object on a pre-defined arc track at a constant speed as a group. Each individual source can also move rapidly around its static position in a small distance. When a source has a speed that is equal to group speed but with opposite moving direction, the source at one C-arm end and X-ray flat panel detector at other C-arm end are activated through an external exposure control unit so that source stay momentarily standstill. The C-arm provides 3D X-ray scan imaging over a wide sweep angle and in different position by rotation. The X-ray image can be analyzed by an artificial intelligence module for real-time diagnosis.
Fast 3D radiography with multiple pulsed X-ray sources by deflecting tube electron beam using electro-magnetic field
An X-ray imaging system using multiple pulsed X-ray sources to perform highly efficient and ultrafast 3D radiography is presented. There are multiple pulsed X-ray sources mounted on a structure in motion to form an array of sources. The multiple X-ray sources move simultaneously relative to an object on a pre-defined arc track at a constant speed as a group. Electron beam inside each individual X-ray tube is deflected by magnetic or electrical field to move focal spot a small distance. When focal spot of an X-ray tube beam has a speed that is equal to group speed but with opposite moving direction, the X-ray source and X-ray flat panel detector are activated through an external exposure control unit so that source tube stay momentarily standstill equivalently. 3D scan can cover much wider sweep angle in much shorter time and image analysis can also be done in real-time.
Fast 3D radiography with multiple pulsed X-ray sources by deflecting tube electron beam using electro-magnetic field
An X-ray imaging system using multiple pulsed X-ray sources to perform highly efficient and ultrafast 3D radiography is presented. There are multiple pulsed X-ray sources mounted on a structure in motion to form an array of sources. The multiple X-ray sources move simultaneously relative to an object on a pre-defined arc track at a constant speed as a group. Electron beam inside each individual X-ray tube is deflected by magnetic or electrical field to move focal spot a small distance. When focal spot of an X-ray tube beam has a speed that is equal to group speed but with opposite moving direction, the X-ray source and X-ray flat panel detector are activated through an external exposure control unit so that source tube stay momentarily standstill equivalently. 3D scan can cover much wider sweep angle in much shorter time and image analysis can also be done in real-time.