H04N25/585

IMAGE SENSOR, IMAGE CAPTURING APPARATUS AND IMAGE PROCESSING APPARATUS
20230059164 · 2023-02-23 ·

An image sensor comprises: a pixel region including a plurality of microlenses arranged in a matrix, and a plurality of photoelectric conversion portions provided for each of the microlenses; a plurality of amplifiers that apply a plurality of different gains to signals output from the pixel region; and a scanning circuit that scans the pixel region so that a partial signal and an added signal are read out, the partial signal being a signal from some of the plurality of photoelectric conversion portions, and the added signal being a signal obtained by adding the signals from the plurality of photoelectric conversion portions.

IMAGING DEVICE INCLUDING PHOTOELECTRIC CONVERTERS AND CAPACITIVE ELEMENT
20230097274 · 2023-03-30 ·

An imaging device that includes a semiconductor substrate; a first photoelectric converter that is located in the semiconductor substrate and that generates a first signal charge by photoelectric conversion; a first node to which the first signal charge is input; a capacitor having a first terminal coupled to the first node; a second photoelectric converter that is located in the semiconductor substrate and that generates a second signal charge by photoelectric conversion; a second node to which the second signal charge is input; a transistor having a gate coupled to the second node; and a switch element coupled between the first node and the second node, where a number of saturation charges of a first imaging cell including the first photoelectric converter and the capacitor is greater than a number of saturation charges of a second imaging cell including the second photoelectric converter.

IMAGING DEVICE INCLUDING PHOTOELECTRIC CONVERTERS AND CAPACITIVE ELEMENT
20230097274 · 2023-03-30 ·

An imaging device that includes a semiconductor substrate; a first photoelectric converter that is located in the semiconductor substrate and that generates a first signal charge by photoelectric conversion; a first node to which the first signal charge is input; a capacitor having a first terminal coupled to the first node; a second photoelectric converter that is located in the semiconductor substrate and that generates a second signal charge by photoelectric conversion; a second node to which the second signal charge is input; a transistor having a gate coupled to the second node; and a switch element coupled between the first node and the second node, where a number of saturation charges of a first imaging cell including the first photoelectric converter and the capacitor is greater than a number of saturation charges of a second imaging cell including the second photoelectric converter.

Method for imaging controlling, electronic device, and non-transitory computer-readable storage medium

A method for imaging controlling is applied to an electronic device. The electronic device includes a pixel-unit array that includes multiple photosensitive pixel units. The method includes the following. If an exposure ratio of a long-exposure pixel in a shooting scene to a short-exposure pixel in the shooting scene is larger than a first exposure-ratio threshold and brightness in the shooting scene is larger than a brightness threshold, in each photosensitive pixel unit, control a long-exposure pixel, a medium-exposure pixel, and a short-exposure pixel to output original pixel information in conditions of different exposure time correspondingly. In each photosensitive pixel unit, select the original pixel information of the long-exposure pixel, the original pixel information of the medium-exposure pixel, or the original pixel information of the short-exposure pixel. Image according to the selected original pixel information.

Wide dynamic range CMOS image sensor

A CMOS image sensor with an imaging array of pixels containing selected pixels wherein illumination is blocked and light scattered from an adjacent pixel is collected. The signal from the selected pixels is resilient against saturation and thereby contributes to increased dynamic range of the imaging signal. The image sensor may be incorporated within a digital camera.

Wide dynamic range CMOS image sensor

A CMOS image sensor with an imaging array of pixels containing selected pixels wherein illumination is blocked and light scattered from an adjacent pixel is collected. The signal from the selected pixels is resilient against saturation and thereby contributes to increased dynamic range of the imaging signal. The image sensor may be incorporated within a digital camera.

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND ELECTRONIC APPARATUS
20230085852 · 2023-03-23 ·

An image processing apparatus includes a first acquisition unit that acquires a first pixel signal output from a first pixel, a second acquisition unit that acquires a second pixel signal output from a second pixel having a size smaller than that of the first pixel, a temperature detection unit that detects temperature; a composition gain determination unit that determines a composition gain corresponding to the detected temperature, and a composition unit that composes the first pixel signal and the second pixel signal multiplied by the composition gain.

PIXEL STRUCTURE, IMAGE PROCESSING METHOD AND CONTROL METHOD
20230083135 · 2023-03-16 ·

The present application provides a pixel structure, an image sensor, a device, an image processing method and a control method. The pixel structure includes a plurality of first pixels and a plurality of second pixels, where the first pixels adopt first photoelectric conversion elements arranged in an array and provided with high sensitivity, and the second pixels adopt second photoelectric conversion elements arranged in an array and provided with low sensitivity, to realize compatible recognition of high-brightness information and low-light information by the image sensor and improving the dynamic range; the first photoelectric conversion elements and the second photoelectric conversion elements adopt a design of independent output circuits to realize separate output of electrical signals without interfering with each other, which improves recognition reliability and signal utilization recognition; the overall performance of the image sensor can also be improved based on layout of the pixel structure of the present application.

Encoding apparatus and method, image capture apparatus, and storage medium

An apparatus comprises a generating unit configured to generate a plurality of pieces of RAW data for respective exposure times from RAW data obtained from a sensor that can perform shooting at an exposure time that is different for each pixel, and an encoding unit configured to encode the generated plurality of pieces of RAW data.

Image sensor

An image sensor includes a pixel array including a plurality of unit pixels arranged along a plurality of rows and a plurality of columns. Each of the unit pixels includes a photoelectric conversion element generating and accumulating photocharges, a charge detection node receiving the photocharges accumulated in the photoelectric conversion element, a readout circuit converting the photocharges accumulated in and output from the charge detection node into an electrical pixel signal, the readout circuit outputting the electrical pixel signal, a capacitive element, and a switching element controlling connection between the charge detection node and the capacitive element. Each of the rows of the pixel array includes first pixels connected to a first conversion gain control line and second pixels connected to a second conversion gain control line.