A radiation imaging apparatus, comprising a sensor array in which a plurality of sensors are arranged, each includes a first holding unit for holding a first signal obtained with a first sensitivity and a second holding unit for holding a second signal obtained with a second sensitivity, a row selecting unit for selecting each sensor on a row basis, a signal readout unit for reading out a signal from each of the selected sensors, and a control unit configured to perform first control to control the sensor array so as to make the first holding units hold the first signals and make the second holding units hold the second signals, and perform second control to control the row selecting unit so as to make the signal readout unit read out the first and the second signals.

An electronic device is provided. The electronic device includes an electronic component and a sensing circuit. The sensing circuit is electrically connected to the electronic component through a sensing node. The sensing circuit comprises a first capacitor, a first transistor, a second transistor, a third transistor and a fourth transistor. The second transistor is electrically connected between the first capacitor and a control terminal of the first transistor. The third transistor is electrically connected to the first transistor. The fourth transistor is electrically connected to the first transistor. The first capacitor is electrically connected between the sensing node and the control terminal of the first transistor.

A time-of-flight camera has; an illumination source for illuminating a scene; an image sensor for detecting light; and a processor configured to: control the image sensor for scanning a scene for detecting illumination; determine a time slot for illumination of the scene, based on the scanning result of the scene; and control the illumination source to illuminate the scene in the determined time slot, based on a time-division multiple access scheme.

A time-of-flight camera has; an illumination source for illuminating a scene; an image sensor for detecting light; and a processor configured to: control the image sensor for scanning a scene for detecting illumination; determine a time slot for illumination of the scene, based on the scanning result of the scene; and control the illumination source to illuminate the scene in the determined time slot, based on a time-division multiple access scheme.

An image sensor may include an array of image pixels arranged in rows and columns. Each column of pixels may be coupled to current source transistors and capacitance cancellation circuitry. The capacitance cancellation circuitry may include capacitors, a common source amplifier transistor, an autozero switch, a switch for selectively deactivating at least one of the capacitors during sample-and-hold reset and sample-and-hold signal operations.

There is provided an optical navigation device including an image sensor and a processing unit. The image sensor outputs successive image frames. The processing unit calculates a contamination level and a motion signal based on filtered image frames, and determines whether to update a fixed pattern noise (FPN) stored in a frame buffer according to a level of FPN subtraction, the calculated contamination level and the calculated motion signal to optimize the update of the fixed pattern noise.

There is provided an optical navigation device including an image sensor and a processing unit. The image sensor outputs successive image frames. The processing unit calculates a contamination level and a motion signal based on filtered image frames, and determines whether to update a fixed pattern noise (FPN) stored in a frame buffer according to a level of FPN subtraction, the calculated contamination level and the calculated motion signal to optimize the update of the fixed pattern noise.

The present disclosure relates to a solid-state imaging device, a manufacturing method thereof, and an electronic apparatus, in which both oblique light characteristics and sensitivity can be improved.—The solid-state imaging device includes pixel array unit in which a plurality of pixels is two-dimensionally arranged in a matrix and multi-stage light shielding walls are provided between the pixels. The present disclosure is applicable to, for example, a back-illuminated type solid-state imaging device and the like.

According to an aspect, there is provided an apparatus comprising at least one processor and at least one memory connected to the at least one processor. The at least one memory stores program instructions that, when executed by the at least one processor, cause the apparatus to determine based on at least one indicator that a camera connected to the apparatus is in a dark environment, initiate a calibration sequence of the camera in response to determining based on the at least one indicator that the camera connected to the apparatus is in a dark environment, capture, during the calibration sequence, multiple images with the camera with different sets of shooting parameters, cause analysis of the captured images to obtain camera calibration data, and store the camera calibration data in a memory of the apparatus.

The present technology is directed to determining an accuracy of an infrared (IR) camera, and more particularly, validating a distortion accuracy of an IR camera. The present technology can receive one or more images of a calibration harp captured by the IR camera, wherein the one or more images include a plurality of lines corresponding to a plurality of strings of the calibration harp. The present technology can further determine a degree of distortion of the plurality of lines based on a distortion error coefficient, wherein the distortion error coefficient is computed based on edge points of the plurality of lines on the one or more images.