Abstract: A wireless radiation system comprising: a generator comprising a first wireless communication module; and a radiation detector comprising a digital screen and a second wireless communication module, wherein said wireless radiation detector is configured to display a captured radiation image on said digital screen and to transmit the captured radiation image, using said second wireless communication module, to a server, wherein said first and second wireless communication modules are configured to wirelessly synchronize a radiation generation by said radiation generator and an exposure to the radiation by said radiation detector.

Abstract: A system for performing a scanning session of a patient's body, the system comprising: a radiation source; a radiation sensor; a patient positioner for placing the patient between the radiation source and the radiation sensor in a fixed position during each scan; at least one Pseudo-Random Grid (PRG) comprising randomly spaced perpendicular gridlines, the PRG being at least partially radiopaque and positioned between the radiation source and the radiation sensor in a fixed manner with respect to the patient positioner during the scanning session, wherein at least one of said radiation source and said radiation sensor is configured to move independently, and wherein at least one of said radiation source and said radiation sensor is moved to multiple different positions during the scanning session such that energy emitted from the radiation source passes through said PRG and said patient's body and collected by a surface of said radiation sensor.

Abstract: A system having an X-radiation generator; an X-radiation detector, and a portable computing device. The X-radiation detector has a first wireless communication module, and a non-volatile memory. The X-radiation detector is configured to self-trigger acquisition of an X-radiation image upon detecting X-radiation generated by the X-radiation generator, store the acquired X-radiation image in the non-volatile memory, transmit a lower-resolution version of the X-radiation image via the first wireless communication module, and transmit the X-radiation image to a server via the first wireless communication module. The portable computing device has a second wireless communication module, and a digital screen.

Abstract: A method comprising: receiving a radiograph of at least a portion of a patient's body, wherein the radiograph is a digital grayscale image, and wherein each pixel of the grayscale image corresponds to a localized exposure index (EI) value; generating an HSL (Hue-Saturation-Lightness) image from the radiograph, wherein: a hue channel and a saturation channel of the HSL image are generated based on the localized EI values, a luminance channel of the HSL image is generated based on the intensity values of the pixels; and transforming the HSL image to an RGB image which conveys both the portion of the radiograph and the localized EI values.

Abstract: A system for performing a scanning session of a patient's body, the system comprising: a radiation source; a radiation sensor; a patient positioner for placing the patient between the radiation source and the radiation sensor in a fixed position during each scan; at least one Pseudo-Random Grid (PRG) comprising randomly spaced perpendicular gridlines, the PRG being at least partially radiopaque and positioned between the radiation source and the radiation sensor in a fixed manner with respect to the patient positioner during the scanning session, wherein at least one of said radiation source and said radiation sensor is configured to move independently, and wherein at least one of said radiation source and said radiation sensor is moved to multiple different positions during the scanning session such that energy emitted from the radiation source passes through said PRG and said patient's body and collected by a surface of said radiation sensor.

Abstract: A system for performing a scanning session of a patient's body, the system comprising: a radiation source; a radiation sensor; a patient positioner for placing the patient between the radiation source and the radiation sensor in a fixed position during each scan; at least one Pseudo-Random Grid (PRG) comprising randomly spaced perpendicular gridlines, the PRG being at least partially radiopaque and positioned between the radiation source and the radiation sensor in a fixed manner with respect to the patient positioner during the scanning session, wherein at least one of said radiation source and said radiation sensor is configured to move independently, and wherein at least one of said radiation source and said radiation sensor is moved to multiple different positions during the scanning session such that energy emitted from the radiation source passes through said PRG and said patient's body and collected by a surface of said radiation sensor.

Abstract: A method comprising: receiving a radiograph of at least a portion of a patient's body, wherein the radiograph is a digital grayscale image, and wherein each pixel of the grayscale image corresponds to a localized exposure index (EI) value; generating an HSL (Hue-Saturation-Lightness) image from the radiograph, wherein: a hue channel and a saturation channel of the HSL image are generated based on the localized EI values, a luminance channel of the HSL image is generated based on the intensity values of the pixels; and transforming the HSL image to an RGB image which conveys both the portion of the radiograph and the localized EI values.

Abstract: A system having an X-radiation generator; an X-radiation detector; and a portable computing device. The X-radiation detector has a first wireless communication module, and a non-volatile memory. The X-radiation detector is configured to: self-trigger acquisition of an X-radiation image, store the acquired X-radiation image, and transmit the X-radiation image (or a lower-resolution version) via the first wireless communication module. The portable computing device has a second wireless communication module, and a digital screen. The portable computing device is configured to receive the X-radiation image via the second wireless communication module that communicates with the first wireless communication module, display the X-radiation image on the digital screen, enable a user to select whether to discard the X-radiation image or to transmit the X-radiation image to a server, and responsive to the user selecting to transmit the X-radiation image to the server, transmit the X-radiation image to the server.

Abstract: An intraoral radiation device, comprising a biocompatible intraoral receptacle with an X-ray source therein.

Abstract: A radiation detection system comprises a scintillator for converting radiation to visible light; two buttable CMOS wafers; an adjacent acquisition board, for acquiring pixel values; and a processing board for detecting image edge is described. The butt of each adjacent CMOS wafers pair is made such that the total width of two peripheral pixel lines and the spacing between them sums to a whole number of pixel pitch.

Abstract: A wireless radiation system that includes: a generator including a first wireless communication module; and a radiation detector including a digital screen and a second wireless communication module. The radiation detector is configured to display a captured radiation image on the digital screen and to transmit the captured radiation image, using the second wireless communication module, to a server. The first and second wireless communication modules are configured to wirelessly synchronize a radiation generation by the radiation generator and an exposure to the radiation by the radiation detector.

Abstract: An intraoral radiation device comprises a biocompatible intraoral receptacle with an X-ray source therein.

Abstract: An apparatus and method for radiation detection is herein described. The apparatus consists of two radiation-detection arrays: A primary radiation-detection array, based on scintillator-CMOS design, and a secondary radiation-detection array, mounted on the back of said primary array. A method of controlling the detection operation is described, where output of the secondary array is exploited for controlling the acquisition-start and acquisition-stop of the primary array. Further, the apparatus is equipped with fast memory for storage of correction tables, and with a processor for fast computation of the correction. A method of calibration is also describes with tables for: offset correction, gain correction, and for defect-pixel correction. These tables are evaluated by the fast processor and stored on the fast memory. A method of real-time evaluation of the signal corrections is described, which depends on the acquisition-start and acquisition-stop timings and which results a clean, artifact-free image.

Abstract: The x-ray tube is energized (12) and the myocardium is imaged (16) while contrast agent is infused to the coronary arteries of the subject (14). Single photon counting data acquired with the detector while two thresholds are set to form simultaneously low energy images and high energy images (16). The images are processed (18) and displayed (20).

Abstract: A pixilated scintillator, scintillator array and methods of fabricating the same are provided. The scintillator array comprises a grid having walls, a scintillator crystal packed between the walls, and a reflective coating provided between the walls and the scintillator crystal.

Abstract: There is provided an apparatus and method for x-ray imaging of a subject that comprises an x ray source emitting a spectrum of radiation of low energy component as well as high energy component to be attenuated by the subject. At least one CR plate adapted to absorb mainly the radiation of low energy component that was attenuated by the subject is provided, wherein low energy x rays image can be attained on the CR plate as well as a DR plate that is adapted to absorb the high energy component, wherein the DR plate is placed further to the CR plate relative to the subject so as to attain image from higher energy x rays. The apparatus is further provided with a processor adapted to process the CR and DR images obtained in a single irradiation of the subject so as to obtain a third combined processed image.

Abstract: The present invention teaches a new and unique method and apparatus of resolving the inaccuracy related to high photon counting rate in photon counting-based detectors that comprises a sensor, a discriminator and a counter. According to the method, a circuitry is provided at the output of the discriminator wherein the circuitry is adapted to measure duty cycle of a signal by which an indication of an input rate of photons to the discriminator is established.

Abstract: Indirectly converted X-ray radiation is detected by a sensor system having a plurality of detector modules arranged with individual pedestals in a staggered configuration. Each detector module has a plurality of scintillator-diode combinations associated with respective electrical circuits for concurrent single photon counting and charge-integration. Each electrical circuit includes at least two counters and an integrator that act cooperatively to provide the concurrent single photon counting and charge-integration.

Abstract: There is provided an apparatus and method for x-ray imaging of a subject that comprises an x ray source emitting a spectrum of radiation of low energy component as well as high energy component to be attenuated by the subject. At least one CR plate adapted to absorb mainly the radiation of low energy component that was attenuated by the subject is provided, wherein low energy x rays image can be attained on the CR plate as well as a DR plate that is adapted to absorb the high energy component, wherein the DR plate is placed further to the CR plate relative to the subject so as to attain image from higher energy x rays. The apparatus is further provided with a processor adapted to process the CR and DR images obtained in a single irradiation of the subject so as to obtain a third combined processed image.

Abstract: A method for enhancing the contrast of an interlaced video input including a series of input video cycles, each input video cycle having a plurality of input fields, one field in each cycle being a bright field, the method including detecting at least some of the bright fields and constructing a contrast enhanced, dynamic, video output image based on the detected bright fields. Preferably, the contrast enhanced, dynamic, video image includes a series of output video sequences, each output video sequence having a plurality of output fields corresponding to one of the detected bright fields.