H04N25/443

IMAGING DEVICE AND IMAGING METHOD
20230095241 · 2023-03-30 ·

Provided is an imaging device that is operable to reduce power upon receiving light, even with resolution of the imaging device increased. An imaging device includes: a plurality of pixels that are arranged in a matrix manner and receive reflected light from a target region, each of the plurality of pixels having a light receiving element that outputs an electric signal based on charge accumulated in either one of first and second charge accumulation parts in accordance with the reflected light; and a control part that executes switching control of the first and second charge accumulation parts by switching frequencies for each pixel region constituted of a pixel group of at least one part of an imaging frame formed by the plurality of pixels, the switching frequencies being different from each other.

SOLID-STATE IMAGING ELEMENT, IMAGING DEVICE, AND CONTROL METHOD OF SOLID-STATE IMAGING ELEMENT
20230085900 · 2023-03-23 ·

An object is to reduce a circuit scale in a solid-state imaging element that detects an address event.

The solid-state imaging element is provided with a plurality of photoelectric conversion elements, a signal supply unit, and a detection unit. In this solid-state imaging element, each of the plurality of photoelectric conversion elements photoelectrically converts incident light to generate a first electric signal. Furthermore, in the solid-state imaging element, the detection unit detects whether or not a change amount of the first electric signal of each of the plurality of photoelectric conversion elements exceeds a predetermined threshold and outputs a detection signal indicating a result of the detection result.

SOLID-STATE IMAGING ELEMENT, IMAGING DEVICE, AND CONTROL METHOD OF SOLID-STATE IMAGING ELEMENT
20230085900 · 2023-03-23 ·

An object is to reduce a circuit scale in a solid-state imaging element that detects an address event.

The solid-state imaging element is provided with a plurality of photoelectric conversion elements, a signal supply unit, and a detection unit. In this solid-state imaging element, each of the plurality of photoelectric conversion elements photoelectrically converts incident light to generate a first electric signal. Furthermore, in the solid-state imaging element, the detection unit detects whether or not a change amount of the first electric signal of each of the plurality of photoelectric conversion elements exceeds a predetermined threshold and outputs a detection signal indicating a result of the detection result.

IMAGING DEVICE, METHOD OF DRIVING IMAGING DEVICE, AND ELECTRONIC EQUIPMENT
20220353441 · 2022-11-03 ·

An imaging device of the present disclosure includes: a pixel array section in which pixels including light receiving elements are arranged; a first pixel control section that performs control to read out signals of all the pixels in the pixel array section at a first frame rate; a second pixel control section that performs control to read out signals of the pixels in a specific region in the pixel array section at a second frame rate higher than the first frame rate; and an analog-to-digital conversion section that performs an analog-to-digital conversion on a pixel signal read out by the control performed by the first pixel control section or the second pixel control section.

System and method for event camera data processing
11611715 · 2023-03-21 · ·

In some embodiments, a method is performed at a device with a processor, non-transitory memory, and an event camera including pixel sensors distributed across an area. The method includes converting an event stream from a pixel sensor over a first time period into event frames by dividing the first time period into sub-periods, and binning pixel events of the event stream, where each of the sub-periods is associated with a frame sub-period identifier. The method further includes addressing the pixel sensors by sub-dividing the area into tiles, where each of the tiles includes a grouping of the pixel sensors, and a tile address of a particular pixel sensor is a combination of a tile identifier and a position locator of the particular pixel sensor. The method further includes encoding the pixel events as a function of a tile address, a frame sub-period identifier, and a brightness indicator value.

System and method for event camera data processing
11611715 · 2023-03-21 · ·

In some embodiments, a method is performed at a device with a processor, non-transitory memory, and an event camera including pixel sensors distributed across an area. The method includes converting an event stream from a pixel sensor over a first time period into event frames by dividing the first time period into sub-periods, and binning pixel events of the event stream, where each of the sub-periods is associated with a frame sub-period identifier. The method further includes addressing the pixel sensors by sub-dividing the area into tiles, where each of the tiles includes a grouping of the pixel sensors, and a tile address of a particular pixel sensor is a combination of a tile identifier and a position locator of the particular pixel sensor. The method further includes encoding the pixel events as a function of a tile address, a frame sub-period identifier, and a brightness indicator value.

EVENT ARRAY READOUT CONTROL OF EVENT-BASED VISION SENSING

A method for sampling data from pixels of an event vision sensor is disclosed. The method comprises receiving, with a selection circuit, an activation signal from an active pixel of the plurality of pixels of the line, generating, with the selection circuit, an acknowledge signal in response to receiving the activation signal, and sending the acknowledge signal to the plurality of pixels of the line, wherein each pixel of the line is configured to generate a request-reading signal when that pixel is active when receiving the acknowledge signal. The method also includes electrically coupling a control circuit to a pixel having a largest distance to the selection circuit among the plurality of pixels of the line, receiving, with the control circuit, the acknowledge signal from the selection circuit, generating, with the control circuit, a process-reading signal in response to receiving the acknowledge signal, and resetting the selection circuit and the plurality of pixels of the line after receiving the process-reading signal.

Transmitter

There is provided is a transmitter including an image processor that sets region information corresponding to a region set for an image for each row in the image and that transmits the set region information and region data corresponding to the region for each row, in which the image processor sets the region by analyzing the image or on a basis of externally acquired region-designating information, and the region information includes information indicating a position of a row and information indicating a position of a column of the region included in the row.

Reception apparatus and transmission apparatus

Provided is a reception apparatus that includes an information processing section configured to generate an image at least either in a first mode for reading out a whole captured region or in a second mode for reading out a partial region in the captured region. At the time of readout in the second mode, the image processing section varies a readout rate depending on the region.

SOLID-STATE IMAGING APPARATUS
20230128031 · 2023-04-27 ·

A solid-state imaging apparatus includes: an imaging section that acquires image data; and a control section that changes time of reading out the image data in accordance with time of DNN processing on the image data.