H04N25/443

Light detection device and light detection method

A plurality of pixels are arranged two-dimensionally in a matrix and individually include a first photosensitive portion and a second photosensitive portion. A plurality of first wirings connect a plurality of first photosensitive portions to each other for every row. A plurality of second wirings connect a plurality of second photosensitive portions to each other for every column. A first reading unit 21 is arranged to read signal data through at least some of the plurality of first wirings. A second reading unit 31 is arranged to read signal data through at least some of the plurality of second wirings. The first reading unit 21 has a reading pixel setting unit 26 arranged to set, based on signal data read in the first frame, a pixel group for reading signal data in a second frame subsequent to a first frame from the plurality of pixels.

SOLID-STATE IMAGING DEVICE AND IMAGING DEVICE
20230140880 · 2023-05-11 ·

Improvement of noise characteristics is achievable. A solid-state imaging device according to an embodiment includes a plurality of photoelectric conversion elements (333) arranged in a two-dimensional grid shape in a matrix direction and each generating a charge corresponding to a received light amount, and a detection unit (400) that detects a photocurrent produced by the charge generated in each of the plurality of photoelectric conversion elements. A chip (201a) on which the photoelectric conversion elements are disposed and a chip (201b) on which at least a part of the detection unit is disposed are different from each other.

SOLID-STATE IMAGING DEVICE AND IMAGING DEVICE
20230140880 · 2023-05-11 ·

Improvement of noise characteristics is achievable. A solid-state imaging device according to an embodiment includes a plurality of photoelectric conversion elements (333) arranged in a two-dimensional grid shape in a matrix direction and each generating a charge corresponding to a received light amount, and a detection unit (400) that detects a photocurrent produced by the charge generated in each of the plurality of photoelectric conversion elements. A chip (201a) on which the photoelectric conversion elements are disposed and a chip (201b) on which at least a part of the detection unit is disposed are different from each other.

SOLID-STATE IMAGING APPARATUS AND IMAGING APPARATUS
20230141384 · 2023-05-11 ·

Time deviation between event detection and gradation acquisition is reduced. A solid-state imaging apparatus according to an embodiment includes: a pixel array unit (300) including a plurality of pixel blocks (310) arrayed in a matrix; and a drive circuit (211) that generates a pixel signal in a first pixel block in which firing of an address event has been detected among the plurality of pixel blocks, each of the plurality of pixel blocks including a first photoelectric conversion element (331) that generates an electric charge according to an amount of incident light, a detection unit (400) that detects the firing of the address event based on the electric charge generated in the first photoelectric conversion element, a second photoelectric conversion element (321) that generates an electric charge according to an amount of incident light, and a pixel circuit (322, 323, 324, 325, 326) that generates a pixel signal based on the electric charge generated in the second photoelectric conversion element.

SOLID-STATE IMAGING APPARATUS AND IMAGING APPARATUS
20230141384 · 2023-05-11 ·

Time deviation between event detection and gradation acquisition is reduced. A solid-state imaging apparatus according to an embodiment includes: a pixel array unit (300) including a plurality of pixel blocks (310) arrayed in a matrix; and a drive circuit (211) that generates a pixel signal in a first pixel block in which firing of an address event has been detected among the plurality of pixel blocks, each of the plurality of pixel blocks including a first photoelectric conversion element (331) that generates an electric charge according to an amount of incident light, a detection unit (400) that detects the firing of the address event based on the electric charge generated in the first photoelectric conversion element, a second photoelectric conversion element (321) that generates an electric charge according to an amount of incident light, and a pixel circuit (322, 323, 324, 325, 326) that generates a pixel signal based on the electric charge generated in the second photoelectric conversion element.

Image processing apparatus and image processing system with image combination that implements signal level matching

Provided is an image processing apparatus (200), comprising: a communicating unit (202) capable of communicating with each of a plurality of image sensors configured to transmit, in respectively different packets, additional data including region information corresponding to a region set with respect to a captured image for each region and region image data indicating an image for each row corresponding to the region; and a processing unit (204) configured to process, in association with each region, the region image data acquired from each of the plurality of image sensors based on the region information included in the additional data acquired from each of the plurality of image sensors, wherein the region information includes a part of or all of identification information of the region, information indicating a position of the region, and information indicating a size of the region.

Image capturing device and vehicle control system

Fabrication processing is executed in a chip of an image sensor. An image capturing device includes an image capturing unit (11) mounted on a vehicle and configured to generate image data by performing image capturing of a peripheral region of the vehicle, a scene recognition unit (214) configured to recognize a scene of the peripheral region based on the image data, and a drive control unit (12) configured to control drive of the image capturing unit based on the scene recognized by the scene recognition unit.

Image sensor

An image sensor compensates for noise. The image sensor includes a pixel array that includes a common monitor output line, a first monitoring pixel outputting a first monitoring signal, a second monitoring pixel outputting a second monitoring signal, and an active pixel configured to output a sensing signal based on an incident light. The image circuit also includes a binning circuit that receives the first and second monitoring signals through the common monitor output line and generates an average monitoring signal by performing binning on the first and second monitoring signals, and an analog-to-digital converter that detects an alternating current (AC) component of the average monitoring signal and couples the sampled AC component of the average monitoring signal to the sensing signal, thereby compensating for noise.

Digital time stamping design for event driven pixel

An event driven pixel includes a photodiode configured to photogenerate charge in response to incident light received from an external scene. A photocurrent to voltage converter is coupled to the photodiode to convert photocurrent generated by the photodiode to a voltage. A filter amplifier is coupled to the photocurrent to voltage converter to generate a filtered and amplified signal in response to the voltage received from the photocurrent to voltage converter. A threshold comparison stage is coupled to the filter amplifier to compare the filtered and amplified signal received from the filter amplifier with thresholds to asynchronously detect events in the external scene in response to the incident light. A digital time stamp generator is coupled to asynchronously generate a digital time stamp in response to the events asynchronously detected in the external scene by the threshold comparison stage.

Sensor control apparatus, sensor control method, and program

A sensor control apparatus includes a readout control circuit and a region setting circuit. The readout control circuit controls an event-driven vision sensor including a sensor array that includes sensors that generate event signals when a change in incident light intensity is detected, in such a manner that the event signals are read out at a first frequency in a first region on the sensor array and that the event signals are read out at a second frequency higher than the first frequency in a second region on the sensor array. The region setting circuit changes at least part of the first region to the second region on the basis of the number of first event signals acquired by the readout in the first region within a given period of time or changes at least part of the second region to the first region on the basis of the number of second event signals acquired by the readout in the second region within the given period of time.