Abstract: A photoelectric conversion device including a pixel equipped with a photoelectric conversion circuit configured to output a signal in response to incidence of a photon includes a first measurement circuit, a second measurement circuit, a selection circuit, and a selection circuit. The first measurement circuit is configured to measure the signal output from the pixel. The second measurement circuit is configured to measure time from when the first measurement circuit starts measuring the signal until a measured value measured by the first measurement circuit reaches a first threshold value. The selection circuit is configured to switch a first measurement circuit to be connected to the second measurement circuit among a plurality of first measurement circuit. The control circuit is configured to control timing of switching a connection of the second measurement circuit by the selection circuit.

Abstract: A photoelectric conversion apparatus includes a pixel including a photoelectric conversion circuit configured to output a signal corresponding to photon incidence. The photoelectric conversion apparatus further includes a first measurement circuit, a second measurement circuit, a selection circuit, and an output circuit. The first measurement circuit is configured to measure the signal output from the pixel. The second measurement circuit is configured to measure a time from when the first measurement circuit starts measuring the signal to when a measured value of the first measurement circuit reaches a first threshold value. The selection circuit is configured to switch a first measurement circuit to be connected to the second measurement circuit among a plurality of the first measurement circuits. The output circuit is configured to output a value of the measured time of the second measurement circuit.

Abstract: An image capturing unit comprises a photoelectric conversion element configured to detect an address event indicating a change in luminance in each pixel address, an integration unit configured to generate a frame image based on an integrated value obtained by integrating an address event for each pixel, and a determination unit configured to determine whether an integrated value has reached a predetermined threshold value. The determination unit is configured to stop integration in the integration unit when it determines that the integrated value has reached a predetermined threshold value.

Abstract: An imaging device includes: a photoelectric conversion element including an avalanche photodiode; a generation unit configured to generate an image based on a signal acquired by the photoelectric conversion element; a first correction unit configured to correct the image based on first characteristic information on crosstalk between pixels of the photoelectric conversion element; and a second correction unit configured to perform pixel interpolation of the image based on second characteristic information for determining a crosstalk region to neighboring pixels of a specific pixel and the image.

Abstract: A photoelectric conversion device includes a photoelectric conversion element having pixels constituted of avalanche photodiodes, at least one processor, and a memory coupled to the at least one processor, the memory storing instructions that, when executed by the at least one processor, cause the at least one processor to control a reverse bias voltage applied to the avalanche photodiodes, set an exposure time of the photoelectric conversion element, and control the reverse bias voltage in accordance with the set exposure time.

Abstract: An image capturing apparatus that is able to suppress decreases in image quality even during image capturing with a low illuminance, wherein the image capturing apparatus includes a photoelectric conversion element having an avalanche photodiode; a signal processing unit configured to perform correction on a signal that has been acquired by the photoelectric conversion element based on position information for a pixel that becomes a correction target; and a control unit configured to control a number of pulses for a pulse signal during a period in which a signal is acquired for one frame; wherein a threshold for the signal processing unit to determine whether or not the correction will be performed on a signal is different in a first mode and a second mode, wherein the number of pulses for the pulse signal is less in the second mode than in the first mode.

Abstract: An image capturing apparatus comprises a photoelectric conversion element configured to include an avalanche photodiode, a voltage control that controls the reverse bias voltage applied to the avalanche photodiode, and an exposure control that controls the exposure period of the photoelectric conversion element, wherein voltage control is configured to perform a change of the reverse bias voltage during a predetermined period other than the exposure periods in two consecutive frame periods, wherein the predetermined period is set by changing a blank period within two consecutive frame periods.

Abstract: A photoelectric conversion apparatus includes a plurality of pixels including an effective pixel configured to receive light and an optical black pixel shielded from light, determination means for determining a correction value for correcting a signal value of the effective pixel based on a signal acquired from the optical black pixel, and output means for outputting an image using the correction value. The determination means determines the correction value based on a difference between a first signal value indicating a signal value of the optical black pixel in a state where a light-shielding portion is inserted in an optical path of an imaging optical system and a second signal value indicating a signal value of the effective pixel and a third signal value indicating a signal value of the optical black pixel in a state where the light-shielding portion is removed from the optical path of the imaging optical system.

Abstract: An apparatus includes at least one processor executing instructions that, when executed by the at least one processor, cause the at least one processor to store first information indicating a first pixel of a sensor to be a target of predetermined correction processing and second information indicating a second pixel of the sensor to be a target of the predetermined correction processing in a case where a predetermined condition is satisfied, set the second pixel to a target of the predetermined correction processing in a case where an estimation value based on an output of the second pixel specified by the second information satisfies the predetermined condition, and correct, in an image acquired by the sensor, through the predetermined correction processing, a value of the first pixel and a value of the second pixel set to be a target of the predetermined correction processing.

Abstract: An image processing apparatus that corrects image data captured with an image sensor capable of setting for each of regions at least one exposure condition including at least one of a gain value per pixel and an exposure time includes an acquisition unit configured to acquire a dark current component in a light shielding region of the image sensor for each of the at least one exposure condition changed at predetermined intervals, and a correction unit configured to correct the image data using the dark current component acquired by the acquisition unit.

Abstract: An image capturing apparatus includes a solid-state imaging device unit including imaging regions for each of which exposure conditions are individually controllable, a calculation unit configured to calculate, for positions on the solid-state imaging device, a movement amount between a first position on the solid-state imaging device unit, corresponding to a portion in an image captured at a present imaging, and a second position on the solid-state imaging device unit, corresponding to the same portion in an image captured for a next imaging, and calculate a direction in which the first and second positions move based on control information directed to the image capturing apparatus, and a determination unit configured to determine the exposure conditions for each of the imaging regions to be used for the next imaging based on luminance distribution information about a captured image at the present imaging, the movement amount, and the calculated direction.

Abstract: A photoelectric conversion apparatus includes a photoelectric conversion element including a pixel area where a plurality of pixels composed of avalanche photodiodes for photoelectrically converting an optical image is two-dimensionally arranged, the photoelectric conversion element being configured to simultaneously read signals from a first pixel group and a second pixel group in the pixel area, at least one processor, and a memory coupled to the at least one processor, the memory storing instructions that, when executed by the at least one processor, cause the at least one processor to generate an image based on the read signals, acquire characteristic information regarding crosstalk between the plurality of pixels, generate correction information based on the characteristic information, and perform a correction process on the image using the correction information. Correction information different between the first and second pixel groups is generated.

Abstract: To provide a photoelectric conversion device that has an avalanche photodiode and can suppress image quality deterioration, in a photoelectric conversion device, a photoelectric conversion element including an avalanche photodiode for photoelectrically converting an optical image, an image generation unit configured to generate a first image based on a signal acquired by the photoelectric conversion element, an acquisition unit configured to acquire first characteristic information of the photoelectric conversion element, and a correction processing unit configured to perform first correction processing on the first image by using the first characteristic information are provided, and in the correction processing unit, weighting of the first correction processing is made different according to a magnitude of a pixel signal in the first image.

Abstract: A photoelectric conversion apparatus comprises a photoelectric conversion element including an avalanche photodiode for photoelectrically converting an optical image; an image generating unit configured to generate a first image based on a signal that has been acquired by the photoelectric conversion element; an acquisition unit configured to acquire first characteristic information of the photoelectric conversion element; a first correction processing unit configured to perform first correction processing for correcting linearity of the first image using the first characteristic information; and a second correction processing unit configured to perform second correction processing for performing interpolation based on the first characteristic information and information of the first image.

Abstract: An apparatus is provided with a sensor including a plurality of pixels that are arrayed two-dimensionally, at least a part of the plurality of pixels being a phase-difference detection pixel that include a first conversion unit and a second conversion unit for performing phase-difference AF. A driving mechanism changes an angle of an image plane of the sensor relative to a main plane of an optical system. A readout unit reads out signals obtained in the first conversion unit and the second conversion unit in an order corresponding to the angle.

Abstract: An apparatus configured to obtain an event signal that indicates a position of a pixel and a time at which a luminance change has occurred includes a detection unit configured to detect an object based on the event signal, and a control unit configured to perform control to change at least one parameter in a case where a time period during which the detection unit does not detect the object is longer than a predetermined time period.

Abstract: An image capturing apparatus includes an image sensor that controls an exposure time for each of a plurality of areas and sets an exposure time, based on luminance information for each of the plurality of areas in an image captured by the image sensor, and one or more processors that execute instructions comprising determining whether an autofocus mode for adjusting a focus position of an imaging optical system using a contrast evaluation value within an evaluation frame set for the image is enabled, wherein the exposure time is determined for each of the plurality of areas so that, within the evaluation frame, a variance of exposure times of the plurality of areas in a case where the autofocus mode is enabled is smaller than a variance of exposure times of the plurality of areas in a case where the autofocus mode is disabled.

Abstract: In order to achieve a photoelectric conversion device that enables suppressing the lowering in tone, a photoelectric conversion device has a pixel including a photoelectric conversion element that outputs a signal according to an incident photon; a photon counter that outputs a measured value according to the number of photons incident to the pixel, a time counter that measures a time until the measured value of the photon counter reaches a first threshold after the photon counter starts the measurement, and a sensitivity adjustment unit configured to perform a sensitivity change for the pixel during a time until the measured value of the photon counter reaches the first threshold after the photon counter starts the measurement.

Abstract: An apparatus includes an acquisition unit configured to acquire a measurement result of a number of luminance changes, based on an address event signal indicating an address of a pixel having changed in luminance and a time, and a control unit configured to cause a relationship between the time and the measurement result to be displayed. The control unit causes the measurement result to be displayed in accordance with a direction of the luminance changes.

Abstract: A photoelectric conversion device including a pixel configured to output a signal in response to incidence of a photon includes a first measurement unit configured to measure the signal output from the pixel, a second measurement unit configured to measure time until the signal measured by the first measurement unit reaches a first threshold, a first storage unit configured to store, as a first time, a result of the measurement by the second measurement unit at a first time point, a comparison unit configured to compare the first time stored in the first storage unit and a second time measured by the second measurement unit at a second time point later than the first time point, and an output unit configured to output a signal corresponding to a result of the comparison by the comparison unit.