H05G1/64

Bolus Imaging
20200015766 · 2020-01-16 ·

A system and method includes detection of a trigger event, automatic injection, in response to detecting the trigger event, of a bolus of contrast medium into a patient volume after expiration of a predetermined injection delay period, automatic acquisition, in response to detecting the trigger event, of a plurality of images after expiration of a predetermined imaging delay period, where two or more of the plurality of images comprise an image of the bolus at respective different locations within vasculature of the patient volume, generation of a composite image based on the plurality of images, the composite image including a representation of the vasculature of the patient volume, and display of the composite image.

Bolus Imaging
20200015766 · 2020-01-16 ·

A system and method includes detection of a trigger event, automatic injection, in response to detecting the trigger event, of a bolus of contrast medium into a patient volume after expiration of a predetermined injection delay period, automatic acquisition, in response to detecting the trigger event, of a plurality of images after expiration of a predetermined imaging delay period, where two or more of the plurality of images comprise an image of the bolus at respective different locations within vasculature of the patient volume, generation of a composite image based on the plurality of images, the composite image including a representation of the vasculature of the patient volume, and display of the composite image.

Automatic exposure control system for a digital X-ray imaging device and method thereof

The invention provides an automatic exposure control method for a digital X-ray imaging device. The automatic exposure control method for a digital X-ray imaging device includes the following the steps. First, a parameter database is provided before imaging scan. A depth information is generated, wherein the depth information by a depth sensor detect the thickness of a region of interest of an object. Imaging exposure parameters, mAs and kV, are estimated according to the depth information and the parameter database. Then, X-ray imaging is performed according to the imaging exposure parameters estimated by the method described in this application. In addition, an automatic exposure control system for a digital X-ray imaging device is also provided.

Bolus imaging

A system and method includes detection of a trigger event, automatic injection, in response to detecting the trigger event, of a bolus of contrast medium into a patient volume after expiration of a predetermined injection delay period, automatic acquisition, in response to detecting the trigger event, of a plurality of images after expiration of a predetermined imaging delay period, where two or more of the plurality of images comprise an image of the bolus at respective different locations within vasculature of the patient volume, generation of a composite image based on the plurality of images, the composite image including a representation of the vasculature of the patient volume, and display of the composite image.

Bolus imaging

A system and method includes detection of a trigger event, automatic injection, in response to detecting the trigger event, of a bolus of contrast medium into a patient volume after expiration of a predetermined injection delay period, automatic acquisition, in response to detecting the trigger event, of a plurality of images after expiration of a predetermined imaging delay period, where two or more of the plurality of images comprise an image of the bolus at respective different locations within vasculature of the patient volume, generation of a composite image based on the plurality of images, the composite image including a representation of the vasculature of the patient volume, and display of the composite image.

Radiation imaging apparatus, radiation imaging system, and method of operating radiation imaging apparatus

A radiation imaging apparatus includes a pixel array, a scanning circuit for scanning a plurality of rows of the pixel array in accordance with a selected mode of a plurality of modes, and a readout circuit configured to read out signals from pixels on a selected row in scanning by the scanning circuit. The plurality of modes include a first mode of performing image capturing at a first frame rate and a second mode of performing image capturing at a second frame rate lower than the first frame rate. The number of times of scanning on the plurality of rows by the scanning circuit in one frame period in the second mode is larger than that of scanning on the plurality of rows by the scanning circuit in one frame period in the first mode.

Systems and methods for calibrating, correcting and processing images on a radiographic detector

Embodiments of methods and/or apparatus for a radiographic imaging system can include a radiographic detector including an image receptor to receive incident radiation and generate uncorrected electronic image data; a storage device to store calibration data at the detector, and a processor to generate calibration-corrected image data from the uncorrected electronic image data and the calibration data. The calibration-corrected image data can be further processed by the processor to perform image processing before transmitting a corrected image (e.g., DICOM image) to the radiographic imaging system. The detector can further include a display to display imaging system controls or the corrected image.

Method for controlling an x-ray device and x-ray device

A method controls an X-ray apparatus which contains a base station and at least one X-ray detector, wherein status information about the at least one X-ray detector is obtained. The status information is deposited in a database of the base station and the X-ray apparatus is controlled on the basis of the status information from the database.

Independently rotatable detector plate for medical imaging device

A real-time fluoroscopic imaging system includes a collimator and a detector which are rotationally movable independent of the support assembly, e.g., c-arm, to which they are mounted. Rotational movement of the collimator and the detector are coordinated such that the orientation of the detector with respect to the collimator does not change. The collimator may include a geared flange member to facilitate rotation, and may be a single molded piece formed of a plastic such as tungsten polymer material. The system may also include a plurality of interchangeable collimators characterized by different shapes. A display is provided to present an image to an operator, and image orientation logic displays a target anatomy in a selected orientation regardless of orientation of the target anatomy relative to the detector, and regardless of rotation of the detector.

Radiation imaging apparatus, radiation imaging system, radiation detection apparatus, imaging control apparatus, imaging control method, and storage medium
10245003 · 2019-04-02 · ·

A radiation imaging apparatus includes: a radiation detection unit including an image obtaining pixel for obtaining a radiation image and a dose obtaining pixel for obtaining a radiation dose; a generating unit configured to generate calibration data for calibrating an output value of the dose obtaining pixel by comparing an output value of the image obtaining pixel and the output value of the dose obtaining pixel; and a calibration unit configured to calibrate the output value of the dose obtaining pixel by using the calibration data.