A photoelectric conversion element includes a light receiving element, a buffer unit, a current control circuit, and an elimination circuit. The light receiving element generates electrical charge according to an amount of light received. The buffer unit buffers and outputs a voltage signal according to the electrical charge generated by the light receiving element. When the buffer unit outputs the voltage signal, the current control circuit controls electric current flowing through the buffer unit so as to be a predetermined amount of electric current. The elimination circuit eliminates high-frequency components in a band equal to or higher than a predetermined band from the voltage signal output from the buffer unit.

An imaging device according the present disclosure includes a first light receiving element and a plurality of pixel circuits. The plurality of pixel circuits includes an imaging pixel circuit and a first dummy pixel circuit. Each of the plurality of pixel circuits includes an accumulation section, a first transistor, and an output section. The accumulation section is configured to accumulate electric charge. The first transistor includes a first terminal and a second terminal and is configured to couple, by being turned on, the first terminal and the second terminal to each other. The second terminal is coupled to the accumulation section. The output section is configured to output a voltage corresponding to electric charge accumulated in the accumulation section. The first terminal of the first transistor in the imaging pixel circuit is coupled to the first light receiving element. The first terminal of the first transistor in the first dummy pixel circuit is coupled to the second terminal of the first transistor in the first dummy pixel circuit without involving the first transistor of the first dummy pixel circuit.

This invention provides an imaging apparatus comprising a storage storing correction values, a correction circuit which corrects captured image data based on the correction values, a first memory and a second memory, a transferring circuit which transfers the correction values in the storage to the correction circuit, a write circuit which writes the transferred correction values to either the first memory or the second memory, and a controller which controls, in a case where a transfer time of the correction values is longer than a time for image capture processing of one frame, so that, over an image capturing period of a plurality of frames, the write circuit writes new correction values to one of the first and second memory and the correction circuit corrects the captured image data using the current correction values in the other memory.

A method of correcting defects appearing in an image produced by an image sensor, the method comprising: receiving an image to be corrected, taken by the image sensor, receiving a temperature from the image sensor, acquired when the image to be corrected is taken by the image sensor, receiving an integration time applied by the image sensor when taking the image to be corrected, and for each pixel of the image to be corrected, subtracting from the pixel value a pixel-specific noise correction factor derived from a noise reduction model comprising a linear component dependent on the temperature of the image sensor, added to an exponential component depending on the temperature of the image sensor and multiplied by the integration time, the linear and exponential components depending on coefficients specific to the pixel.

A radiation detection device, including a detection panel, is provided. The detection panel includes multiple first pixels, arranged into a first row in an extending direction of a data line; multiple second pixels, arranged into a second row in the extending direction of the data line; and multiple other second pixels, arranged into a third row in the extending direction of the data line. Each of the multiple first pixels includes a first switch. Each of the multiple second pixels and the multiple other second pixels includes a second switch. Each of the multiple second pixels and the multiple other second pixels includes a photodiode. The multiple first pixels do not include a photodiode. That is, compared with the multiple first pixels, each of the multiple second pixels further includes the photodiode electrically connected with the second switch.

A radiation imaging apparatus is provided. The apparatus comprises an image capturing unit that is provided with pixels for converting incident radiation into electrical signals and is configured to output first image data, a storage unit configured to store position information of a first pixel which continuously outputs an abnormal pixel value, a replacing unit configured to generate second image data from the first image data by replacing a pixel value of the first pixel with a preset setting value based on the position information and a correction unit configured to detect a second pixel which is not stored in the storage unit and outputs an abnormal pixel value, and correct the pixel value of the second pixel. The correction unit detects and corrects the second pixel based on the second image data that includes the first pixel whose pixel value has been replaced.

Embodiments of the present disclosure provide a pixel circuit and a drive method thereof, and a detector including the pixel circuit. The pixel circuit includes a photoelectric conversion circuit, a reset circuit, an amplifying circuit, a first control circuit, a second control circuit, a storage circuit, and an output circuit. The photoelectric conversion circuit is configured to convert an optical signal into an electric signal. The reset circuit is configured to reset a voltage of the first node. The amplifying circuit is configured to amplify the voltage of the first node. The first control circuit is configured to control a voltage of the second node. The second control circuit is configured to control a voltage of the third node. The storage circuit is configured to store an electric charge corresponding to the voltage outputted from the amplifying circuit. The output circuit is configured to output the stored electric charge.

An image processing method includes acquiring input data including an input image and a noise map representing a noise amount in the input image based on an optical black area corresponding to the input image, and inputting the inputdata into a neural network to execute a task of a recognition or regression.

An imaging device acquires first dark image data in a state where an image sensor has been light shielded, acquires second dark image data in a state where the image sensor has been light shielded, based on completion of exposure, corrects fixed pattern noise of a reference combined image data based on at least one of the first dark image data and the second dark image data, and stores the reference combined image data that has been subjected to correction.

Disclosed is an image sensing device including a pixel array including a plurality of pixels arranged in rows and columns, and suitable for outputting a plurality of pixel signals, and a plurality of readout circuits coupled to the pixel array, and suitable for compensating for readout deviations among the plurality of pixel signals, based on a plurality of bias voltages having different voltage levels, when reading out the plurality of pixel signals.