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: 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: 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.

Abstract: An apparatus includes an acquisition unit configured to obtain a signal indicating an address of a pixel in which a change in luminance has occurred and time of the change and a generation unit configured to generate a time-series image indicating a position of at least one pixel in which a change in luminance has occurred and a direction of the change in luminance based on the signal, wherein, when the time-series image is to be displayed in reverse chronological order, the generation unit generates the time-series image in which the direction of the change in luminance is reversed.

Abstract: A photoelectric conversion apparatus includes a processing circuit, and a memory that stores a computer-readable instruction for causing, when executed by the processing circuit, the photoelectric conversion apparatus to generate control signals for controlling an operation of an image capturing unit configured to perform image capturing using avalanche light emission, control a first generation unit to generate control signals of a first frame and a second frame, wherein a number of the control signals during an exposure period of the second frame is smaller than a number of the control signals during an exposure period of the first frame, acquire an output of the first frame captured by the image capturing unit and an output of the second frame captured by the image capturing unit, and generate an image based on the output of the first frame and the output of the second frame.

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: In order to suppress degradation of color reproducibility in a visible light image or a composite image obtained by compositing the visible light image and an infrared light image, an image processing apparatus obtains a first image obtained by a first image capturing element that generates a visible-range image based on incident light from an imaging optical system, estimates received light intensity of infrared light that enters the first image capturing element, and controls a white balance adjustment on the first image based on the received light intensity estimated by the estimation unit.

Abstract: An imaging apparatus includes an image sensor, an angle controller configured to change an angle between a plane orthogonal to an optical axis of an imaging optical system and an imaging plane of the image sensor, an illuminator; and an illumination controller configured to change an optical axis direction of the illuminator based on the angle.

Abstract: An imaging device capable of increasing a dynamic range of an image while minimizing a decrease in image quality when capturing is performed under low illuminance. An imaging device includes: a first imaging element (103) having sensitivity to visible light and configured to output a first image signal (107); a second imaging element (104) having sensitivity to infrared light and configured to output a second image signal (108A) and a third image signal (108B) acquired under an exposure condition different from that of the second image signal (108A) at a second frame rate higher than a first frame rate of the first imaging element (103); and a combination processor configured to generate a combination including the first image signal (107) output from the first imaging element (103) and the second image signal (108A) and the third image signal (108B) output from the second imaging element (104) and generate a fourth image signal (109).

Abstract: In an inspection system that uses terahertz waves, in order to improve the inspection precision for objects and the like, the inspection system has an illumination unit having a plurality of illumination elements that radiate terahertz waves; a camera unit that captures images of the terahertz waves that have been reflected off of an object that has been irradiated by the plurality of illumination elements; and a control unit that performs control so as to make the light emission timings for the plurality of illumination elements different.

Abstract: A camera system configured to inspect an inspection target moving in a first direction includes an illumination unit configured to irradiate the inspection target with a terahertz wave, and a camera unit disposed at a position which the terahertz wave reflected on the inspection target enters, and configured to acquire an image formed by the reflected terahertz wave. The illumination unit includes a plurality of illumination elements two-dimensionally arranged in the first direction and a second direction different from the first direction. Angles formed between directions of optical axes of the plurality of illumination elements arranged in the second direction projected onto a first plane that includes a straight line in the first direction and a straight line in the second direction and the first direction become smaller as a position approaches a center portion of the plurality of illumination elements arranged in the second direction.

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: 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: 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 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.