Patent classifications
H04N23/30
Radiation detector
According to one embodiment, a radiation detector includes a substrate, control lines, data lines, a photoelectric conversion part provided in a region drawn by the control and data lines, and including thin film transistors and photoelectric conversion elements electrically connected to the corresponding control and data lines, a control circuit electrically connected to the control lines, a signal detection circuit electrically connected to the data lines, at least one reference potential part electrically connected to the signal detection circuit, and a determination part electrically connected to the signal detection circuit. The signal detection circuit detects a first current integral value via the data lines and detects a second current integral value from the at least one reference potential part. The determination part determines an incidence start time of a radiation on the basis of a difference between the detected first and second current integral values.
Radiation image sensing apparatus and radiation image sensing system
A radiation image sensing apparatus includes an image sensing, a circuit component, a supporting plate including first and second faces and configured to support the image sensing panel with the first face and support the circuit component with the second face, a connecting portion configured to connect the image sensing panel and the circuit component, and a housing configured to enclose the image sensing panel, the circuit component, the supporting plate and the connecting portion. An outer periphery of the supporting plate includes a concave portion and a projecting portion, and the connecting portion connects the image sensing panel and the circuit component through outside the concave portion. The outer edge of the concave portion is positioned inside an outer edge of the image sensing panel upon orthogonal projection onto the first face.
Radiation image detection apparatus including photographic mode and irradiation detection mode, and radiation image photographing system including the same
A radiation image detection apparatus, including an image receiving unit having a two-dimensional array of a plurality of pixels that generate electrical charges when being subjected to irradiation of radiation, the plurality of pixels including a plurality of pixels for detecting an image and one or more pixels for detecting irradiation; an image data generation unit configured to generate image data based on an electrical signal output from the respective pixels for detecting the image, an irradiation detection unit configured to detect the irradiation of radiation based on the electrical signal output from the respective pixels for detecting irradiation, a communication unit that transmits the image data generated in the image data generation unit, and a control unit configured to include a plurality of control modes including a photographing mode generating the image data, an irradiation detection mode detecting the irradiation of radiation and a standby mode.
Chest x-ray differential diagnosis system
A chest x-ray differential diagnosis system is operable to generate abnormality pattern data is generated for each of a received plurality of chest x-rays by identifying at least one pattern in each chest x-ray corresponding to an abnormality by utilizing a computer vision model that is trained on a plurality of training chest x-rays. Differential diagnosis data is generated for each chest x-ray based on the abnormality pattern data. Filtering parameters are received from a client device, and a filtered chest x-ray queue that includes a subset of chest x-rays is selected based on the filtering parameters and the differential diagnosis data is generated for transmission to the client device for display. Differential diagnosis data corresponding a chest x-ray indicated in chest x-ray selection data received from the client device is transmitted to the client device for display via the display device in conjunction with the chest x-ray.
Hand-held X-ray sensor with gesture-activated wake function
An X-ray sensing apparatus includes a detector array configured to generate a plurality of signals in response to x-rays incident on the detector array during an exposure period; a high-clock logic device communicatively coupled to the detector array; a low-clock logic device communicatively coupled to the high-clock logic device; an accelerometer communicatively coupled to the low-clock logic device; and a processor communicatively coupled to the high-clock logic device. The low-clock logic device is configured to receive an acceleration signal from the accelerometer; determine that the acceleration signal corresponds to a wake gesture; and, in response to determining that the acceleration signal corresponds to the wake gesture, send a first power state change signal to the processor and a second power state change signal to the high-clock logic device.
LIGHT DETECTION DEVICE AND OPERATING METHOD THEREOF
A light detection device and an operating method thereof are provided in the present disclosure. The light detection device includes a housing, a sensing substrate, a scintillator layer, and a light source module. The sensing substrate is disposed inside the housing. The scintillator layer is disposed inside the housing and disposed above the sensing substrate. The light source module is at least partially disposed inside the housing. The operating method of the light detection device includes the following steps. The light detection device is turned on and first image data is captured. The light source module is turned on and second image data is captured. The first image data is compared with the second image data for determining a condition of the light detection device.
TOMOGRAPHIC IMAGE ACQUISITION USING ASYMMETRICAL PIXEL BINNING
A computer implemented method for reconstructing a 3-D volume image using a radiographic imaging system having one or more x-ray sources and a digital detector. A plurality of radiographic images of a subject at various angles are captured in the digital detector. Image data in two or more pixels of the detector that are adjacent to each other in a row direction or a column direction are combined, while pixels adjacent in the other direction are not combined.
AUTOMATIC EXPOSURE DETECTION CIRCUIT FOR IMAGING APPLICATIONS
Systems and methods are provided for an automatic exposure detection feature for adding to an x-ray panel readout device, including an imaging panel having a low power mode, a sense circuit for receiving an input signal in the low power mode and restricting an input signal voltage to a first voltage, and a sensor for sensing a change in the input signal voltage, wherein the change in input signal voltage indicates exposure to an x-ray signal.
DETECTION OF X-RAY BEAM START AND STOP
A radiographic energy detecting pixel generates charges in a photosensor in response to photon impacts. A switch electrically connected to the photosensor selectively transmits collected charges to a data line. A sensing circuit electrically connected to the photosensor detects a rate of accumulation of the charges in the photosensor.
RADIATION IMAGE CAPTURING APPARATUS AND RADIATION IMAGE CAPTURING SYSTEM
A radiation image capturing apparatus includes a plurality of radiation detecting elements; a switch element; a scanning line; a signal line; a bias line; a hardware processor; and a reader which reads image data based on detection of irradiation, the image data based on an amount of charge accumulated in the plurality of radiation detecting elements. The hardware processor samples a signal a plurality of times, the signal based on a current of at least one of the currents flowing in the signal line, the bias line, the scanning line, and the detector line within a predetermined term and the hardware processor obtains a digital signal. The hardware processor calculates the obtained digital signal. The hardware processor determines whether the radiation image capturing apparatus is under a disturbance environment based on a result of calculation.