H04N5/343

PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, TRANSPORT APPARATUS, AND SIGNAL PROCESSING APPARATUS
20220408036 · 2022-12-22 ·

A photoelectric conversion apparatus comprising a pixel array and a signal processor is provided. The pixel array is configured to be operable in driving modes in which different signal readout methods are used. The signal processor comprises a selector configured to select, based on the driving mode set for each pixel among the driving modes, a first pixel group and a second pixel group from regions of the pixel array, which have been designated to generate a correction value, a correction value generator configured to generate the correction value in accordance with a first representative value based on signals read out from the first pixel group and a second representative value based on signals read out from the second pixel group, and a corrector configured to correct, based on the correction value, the signal read out from the pixel array.

Imaging device and method of controlling the same
11516414 · 2022-11-29 · ·

Provided is an imaging device in which a subject moving within a visual field can be freely expressed with a simple configuration. This imaging device is an imaging device which acquires an image by dividing one imaging period into a plurality of periods for exposure to add for each pixel, and includes an imaging element which includes a photoelectric conversion unit configured to generate a signal charge, and a control unit configured to control an accumulation time of the signal charge generated in the photoelectric conversion unit. The control unit changes the accumulation time in each period obtained by dividing the one imaging period.

Solid-state imaging device, signal processing chip, and electronic apparatus

The present technology relates to a solid-state imaging device, a signal processing chip, and an electronic apparatus that make it possible to utilize the result of detecting an occurrence of an event in imaging. The solid-state imaging device includes: an event detection unit that detects, as an event, a change in an electrical signal generated by each pixel of a pixel array unit; a region-of-interest detection unit that detects, from a result of detecting the event, a region-of-interest of the pixel array unit; and a pixel signal generation unit that generates a pixel signal constituting an image of a region corresponding to the region-of-interest. The present technology is applicable to, for example, a sensor that detects an event that is a change in an electrical signal of a pixel.

SENSING DEVICE, ELECTRONIC APPARATUS, AND METHOD FOR CONTROLLING SENSING DEVICE
20220368849 · 2022-11-17 ·

A sensing device that detects whether an edge is present or absent achieves improved accuracy in detection of an edge.

The sensing device includes a level control circuit, a comparison circuit, and an edge determination circuit. In this sensing device, the level control circuit amplifies or attenuates the signal level of one of a pair of pixel signals by a predetermined gain. The comparison circuit compares the pair of pixel signals with the signal level of the one pixel signal amplified or attenuated with each other, and outputs a result of the comparison. The edge determination circuit determines whether an edge is present or absent in reference to the comparison result.

Solid-state image pickup element, electronic apparatus, and method of controlling solid-state image pickup element

Provided is a solid-state image pickup element that amplifies the difference between respective signals of a pair of pixels and enables a reduction in the number of wiring lines. The solid-state image pickup element includes an electric-charge accumulation unit, a reference reset transistor, and a readout reset transistor. The electric-charge accumulation unit accumulates electric charge transferred from a photoelectric conversion unit and generates signal voltage corresponding to the amount of the electric charge. The reference reset transistor supplies predetermined reset voltage to the electric-charge accumulation unit in a case of generating predetermined reference voltage. The readout reset transistor supplies voltage different from the reset voltage to the electric-charge accumulation unit in a case of reading out the signal voltage.

DEPTH SENSOR AND IMAGE SIGNAL PROCESSOR FOR CHANGING BINNING MODE
20220345646 · 2022-10-27 ·

A depth sensor for measuring a distance to an object and an image signal processor configured to change a binning mode based on ambient light are provided. A method for operating a depth sensor for measuring a distance to an object includes outputting a pixel signal from at least one depth pixel included in a pixel array, generating ambient light information based on an intensity of ambient light outside the depth sensor, the intensity of the ambient light being measured using the pixel signal, and setting a binning mode of the depth sensor to an analog binning mode or a digital binning mode based on the ambient light parameter value.

Method for determining imaging ratio of flexible panel electronic device and storage medium

Method for determining imaging ratio of flexible panel, electronic device and storage medium are provided. A first surface of the flexible panel is adapted to be placed with an object to be imaged, an image capturing device is disposed on the second surface, and a curvature radius of the first surface is adjustable. The method includes: for a light source in the image capturing device, acquiring a real-time image formed on the image capturing device after a light signal emitted from the light source is reflected by the first surface; determining a real-time curvature radius of the first surface based on the real-time image; and calculating the imaging ratio based on the real-time curvature radius and thickness of the flexible panel. The imaging ratio is determined based on bending degree of the flexible panel in real time to acquire an image with size approximate to actual size of the object.

COLUMN SHARING ADC FOR IMAGE SENSORS AND METHOD OF OPERATION

An analogue to digital converter is provided for digital imaging devices, in which a pixel column is sampled by a respective capacitor.

In a reset phase of operation, each pixel in the row under consideration is reset, and an operational amplifier operating in a voltage follower mode is coupled to all the sampling capacitors in parallel to obtain the reset values of the pixels sensors of that row, and the in an imaging phase of operation, the inverting input of the operational amplifier operating in a comparator mode is coupled to each capacitor in turn after activating the respective pixel sensor, while exposing the non inverting signal to an analog ramp reference voltage so that the timing of the toggling of the operational amplifier reflects the value of the pixel under consideration, corrected for the reset value.

Image pickup apparatus that displays image based on signal output from image pickup device, method of controlling the same, and storage medium

An image pickup apparatus that makes it unnecessary to temporarily stop image pickup performed by an image pickup device to thereby improve operability of the image pickup apparatus, and achieves power saving. In an image pickup apparatus having an electronic viewfinder function, first image signals for live view are acquired by thinning read lines of an image pickup device, and second image signals for AF evaluation value calculation are acquired from the other read lines at a higher speed than the first image signals, for simultaneous output with the first image signals. Reading of the second image signals is started when the state of the object of image data changed or when one photographing mode is changed to another by a user's operation, and is terminated when a reading termination condition set in advance in association with the reading start condition is satisfied.

ELECTRONIC APPARATUS
20170332016 · 2017-11-16 · ·

An electronic apparatus includes: an input unit that inputs image data generated by an image capturing unit that has a plurality of pixel groups, each pixel group including at least one pixel, and that is capable of performing image-capturing under different imaging conditions for each of the pixel groups and data for the imaging conditions for each of the pixel groups; and a recording control unit that generates image data for each of pixel groups having the same imaging conditions based on the image data inputted from the input unit and records the image data generated for each of the pixel groups having the same imaging conditions in a recording unit.