A method includes capturing, by a camera disposed behind a display panel of the electronic device, a plurality of images at a plurality of exposures, respectively. One or more captured images include one or more flare artifacts. The method further includes generating a high dynamic range (HDR) image by fusing the captured images. The method further includes accessing a HDR point spread function (PSF) from a memory of the electronic device. The HDR PSF may be generated, at an initial camera calibration stage, by fusing a plurality of PSFs captured at the plurality of exposures, respectively. The method further includes generating, using an image deconvolution technique, a reconstructed image with flare artifacts mitigated based on the HDR image and the HDR PSF.

A system for image acquisition with reduced noise using SPADs is configured to perform a plurality of sequential exposure and readout operations. Each exposure and readout operation includes (i) applying a set of shutter operations to configure each SPAD pixel of the SPAD array to enable photon detection, and (ii) for each SPAD pixel of the SPAD array, reading out a number of photons detected during the set of shutter operations. The system is also configured to generate an image based on the number of photons detected for each SPAD pixel during each of the plurality of sequential exposure and readout operations.

A solid state image sensor includes at least a plurality of pixel cells and a vertical scanning circuit. Each of the pixel cells includes an avalanche photodiode, a floating diffusion portion, a transfer transistor, a reset transistor, an amplifier transistor, a selection transistor, a count transistor, and a capacitor. The amplifier transistor outputs a voltage signal responsive to the amount of charge stored in the floating diffusion portion. The capacitor has terminals one of which is connected to the count transistor. The vertical scanning circuit is configured to be able to supply different levels of voltages to the other terminals of the capacitors.

A solid state image sensor includes at least a plurality of pixel cells and a vertical scanning circuit. Each of the pixel cells includes an avalanche photodiode, a floating diffusion portion, a transfer transistor, a reset transistor, an amplifier transistor, a selection transistor, a count transistor, and a capacitor. The amplifier transistor outputs a voltage signal responsive to the amount of charge stored in the floating diffusion portion. The capacitor has terminals one of which is connected to the count transistor. The vertical scanning circuit is configured to be able to supply different levels of voltages to the other terminals of the capacitors.

An imaging device including pixels and processing circuitry, where the pixels capture a first image in a first exposure period within a frame period and capture a second image in a second exposure period within the frame period to generate multiple-exposure image data that include the first image and the second image in a multiplexed state, the second exposure period being different from the first exposure period, the second image being different from the first image in brightness or color, and the processing circuitry detects an image of a moving subject from the multiple-exposure image data.

To widen a dynamic range without reducing a frame rate in a solid-state imaging element provided with a differential amplifier circuit. The solid-state imaging element includes a reading circuit and a processing unit. The reading circuit performs processing of outputting a differentially amplified signal obtained by amplifying a difference between generated voltages of a pair of pixels and processing of outputting a pixel signal of the generated voltage of at least one of the pair of pixels each time the pair of pixels are exposed. The processing unit performs synthesis processing of synthesizing the output differentially amplified signal and the output pixel signal.

The present technology relates to a solid-state imaging device, a method of driving the same, and an electronic apparatus. The solid-state imaging device includes a pixel having a photodiode that performs photoelectric conversion on incident light, and a driving control unit configured to control driving of the pixel. The pixel stores a first charge generated by the photoelectric conversion in the photodiode and stores a second charge generated by the photoelectric conversion in a first capacitor provided in a pixel separation portion. The driving control unit causes a pixel signal due to the second charge stored in the first capacitor to be output and then a pixel signal due to the first charge stored in the photodiode to be output. The present technology may be applied, for example, to a solid-state imaging device or the like that detects both electrons and holes to perform high dynamic range imaging.

An imaging system includes an illumination element for emitting light and an imaging sensor having at least one photo-sensitive element that includes a first element with a modifiable first charge level and a second element with a modifiable second charge level. Control circuitry is configured to, during a first phase, control the illumination element to emit light towards a scene and drive the photo-sensitive element such that charge carriers generated in the photo-sensitive element by light received from the scene modify the first charge level. The control circuitry is configured to, during a second phase, control the illumination element to pause emission of the light and drive the photo-sensitive element such that charge carriers generated in the photo-sensitive element by light received modify the second charge level, and to generate a gray-scale image of the scene based on the first and second charge levels.

Systems and methods are disclosed for image signal processing. For example, methods may include receiving a current image of a sequence of images from an image sensor; combining the current image with a recirculated image to obtain a noise reduced image, where the recirculated image is based on one or more previous images of the sequence of images from the image sensor; determining a noise map for the noise reduced image, where the noise map is determined based on estimates of noise levels for pixels in the current image, a noise map for the recirculated image, and a set of mixing weights; recirculating the noise map with the noise reduced image to combine the noise reduced image with a next image of the sequence of images from the image sensor; and storing, displaying, or transmitting an output image that is based on the noise reduced image.

An imaging device including a pixel, and a controller that sets a sensitivity of the pixel according to an external signal, where the external signal includes sound, vibration or inclination.