Improvement of a frame rate and suppression of power consumption are intended. A radiological-image acquisition device (100) includes a plurality of pixels, a capacitive element (1a) that accumulates electric charge corresponding to a dose (X) of radiation, and a read control unit (read element control unit 22, reset element control unit 23) that reads, from at least one pixel (active pixel 10) that is not subjected to initialization in two or more frames, an output (output voltage Vout) corresponding to the electric charge.

An extra-oral dental imaging apparatus for obtaining an image from a patient has a radiation source and a digital imaging sensor that provides, for each of a number of image pixels, at least a first digital value according to a count of received photons that exceed at least a first energy threshold. A mount supports the radiation source and the digital imaging sensor on opposite sides of the patient's head. There can be a computer in signal communication with the digital imaging sensor for acquiring one or more two-dimensional images.

A method for correction of an x-ray image recorded with an x-ray device with an anti-scatter grid for effects of the anti-scatter grid is provided. The anti-scatter grid has a spatially periodically repeating geometrical embodiment, and a calibration image recorded without an imaging object is used. The calibration image and the x-ray image are transformed by a transformation into the position frequency space. In the position frequency space, adaptation parameters describing changes of the calibration image optimizing a measure of matching between the x-ray image and the calibration image are established. For correction, the adapted calibration image is subtracted from the x-ray image, and the x-ray image is transformed back into the position space again using an inverse of the transformation.

A radiation imaging apparatus, which comprises a sensor array in which a plurality of pixels are arranged in a matrix form, cyclically perform a storing operation that stores charge in the pixels and a reading out operation that reads out the charge stored in the pixels, based on a synchronization signal comprised of a cyclical pulse train and a timing control signal synchronized to the synchronization signal. The radiation imaging apparatus changes a phase of the timing control signal in relation to the synchronization signal in accordance with a range of a partial region for trimming in a region of the sensor array in which read out is possible.

Embodiments include a device, comprising: a column line; a plurality of pixels; each pixel coupled to the column line; a comparator having an input coupled to the column line and configured to compare a signal from the column line to a threshold; and control logic coupled to the pixels and configured to selectively couple each pixel to the column line after a sampling period for each pixel.

In described examples, a circuit includes an integrator. The integrator generates a first signal responsive to an input signal. A trigger circuit is coupled to the integrator and receives the first signal. A charge dump circuit is coupled to the integrator and the trigger circuit. The trigger circuit modifies configuration of the charge dump circuit and the integrator when the first signal is greater than a first threshold.

According to one aspect of an exemplary embodiment of the disclosure, a system and method for adaptively altering the presentation color for an overlay to be presented along with a camera image on a display of a radiography system includes the steps of providing an imaging system having a radiation source, a detector, and a camera aligned with the detector. A control processing unit including image processing circuitry is operably connected to the camera to generate a camera image(s) of the subject and the detector. The camera image analyzed by the image processing circuitry to determine the region of interest (ROI) within the camera image and the dominant color(s) present in the ROI, such that presentation color for the overlay can be automatically adjusted to a complementary color for monochromatic camera images or to a high contrast color for chromatic camera images to increase the visibility of the overlay.

According to one aspect of an exemplary embodiment of the disclosure, a system and method for adaptively altering the presentation color for an overlay to be presented along with a camera image on a display of a radiography system includes the steps of providing an imaging system having a radiation source, a detector, and a camera aligned with the detector. A control processing unit including image processing circuitry is operably connected to the camera to generate a camera image(s) of the subject and the detector. The camera image analyzed by the image processing circuitry to determine the region of interest (ROI) within the camera image and the dominant color(s) present in the ROI, such that presentation color for the overlay can be automatically adjusted to a complementary color for monochromatic camera images or to a high contrast color for chromatic camera images to increase the visibility of the overlay.

An imaging unit includes a housing having a wall portion in which a slit for passing radiation is formed, a scintillator having an input surface to which radiation passing through the slit is input, a first mirror that reflects scintillation light output from the input surface, and a line scan camera that detects scintillation light reflected by the first mirror. The scintillator is placed to make the input surface parallel to both the conveying direction and a line direction. The first mirror is positioned outside an irradiation region connecting the peripheral edge of the slit to the input surface of the scintillator.

A long-length imaging method based on digital radiography, a digital radiography device, an image processing system and a computer-readable memory medium to implement the method. The long-length imaging method comprises the following steps: A. determining a part of interest of an anatomy of an object; B. determining imaging parameters of digital radiography based on the part of interest, the imaging parameters at least including a plurality of specified positions of imaging components, wherein the plurality of specified positions are configured to capture X-ray images including the part of interest of the anatomy of the object; and C. generating a long-length image in relation to the part of interest of the anatomy of the object based on the captured X-ray images.