Provided is a solid-state imaging element configured to automatically extend dynamic range for each unit pixel. A solid-state imaging element includes, for a unit pixel, a first photoelectric conversion element, a first accumulation portion that accumulates electric charge obtained by photoelectric conversion by the first photoelectric conversion element, and a first film that is electrically connected to the first accumulation portion and has an optical characteristic changing according to applied voltage. Furthermore, the unit pixel of the solid-state imaging element can further include a first transfer transistor that transfers electric charge obtained by photoelectric conversion by the photoelectric conversion element to the first accumulation portion, an amplification transistor that is electrically connected to the first accumulation portion, and a selection transistor that is electrically connected to the amplification transistor.

An imaging device includes an imaging unit including a plurality of pixels, respectively including photoelectric converters and charge accumulation nodes that accumulate signal charge. The imaging unit outputs image data based on signals corresponding to the signal charge accumulated in the charge accumulators. The imaging device includes an image processing unit that processes the image data output by the imaging unit. The imaging unit sequentially outputs a plurality of pieces of image data in one frame period by performing readout nondestructively. The image processing unit generates difference image data by determining a difference between two pieces of image data, selects output image data from initial image data and the difference image data, and combines the output image data and normal readout image data included in the plurality of pieces of image data, to generate combination-result image data.

A solid-state imaging apparatus includes a pixel circuit and a negative feedback circuit. The pixel circuit includes: a photodiode; a charge storage that holds a signal charge generated by the photodiode; an amplification transistor that outputs a pixel signal corresponding to the signal charge in the charge storage; a first reset transistor that resets the charge storage; a first storage capacitive element for holding a signal charge; and a first transistor that controls the connection between the charge storage and the first storage capacitive element. The negative feedback circuit negatively feeds back a feedback signal corresponding to a reset output of the amplification transistor to the charge storage via the first reset transistor.

A CPU provided in an image display device of an image exposure device causes a display unit of the image display device to display a display image for divided exposure, which has a divided gradation value obtained by dividing a gradation value of a recorded image, and sequentially performs a plurality of exposures of the photosensitive recording medium by the display image for divided exposure to perform a divided exposure for recording the recorded image on the photosensitive recording medium.

An image pickup device according to an embodiment includes pixels each configured to output an analog signal based on electric charges produced in a photoelectric conversion unit and a control unit configured to control a gain applied to the analog signal to be at least a first gain and a second gain greater than the first gain in accordance with a signal value of the analog signal. Each of the pixels outputs, as the analog signal, a first signal and a second signal based on electric charges produced in the photoelectric conversion unit in a first exposure period and a second exposure period shorter than the first exposure period. The control unit controls the gain applied to the analog signal by selecting one from the first gain and the second gain in accordance with the signal value, for at least one of the first signal and the second signal.

An imaging device includes a first chip on which a plurality of first blocks is arranged in a matrix, and a second chip which includes a first block scanning circuit and a second block scanning circuit. The second chip includes a selection circuit configured to select driving timing given to a plurality of pixels, based on a signal output from the first block scanning circuit and a signal output from the second block scanning circuit. A second block includes a circuit other than the selection circuit.

An imaging device includes a pixel array with a plurality of pixels each configured to generate a reset signal and an image signal, a sampling circuit including a plurality of samplers connected to column lines, where each sampler generates a first comparison signal by comparing the reset signal with a ramp signal and generates a second comparison signal by comparing the image signal with the ramp signal. An ADC converts each of the first and second comparison signals into a digital signal. Each sampler performs an auto-zero operation for initializing itself before performing the comparing with respect to the reset signal in a first mode, and performs a respective auto-zero operation before performing the comparing for each of the reset signal and the image signal in a second mode.

An image-sensing system for the efficient detection of defective pixels is shown. An arithmetic logic unit (ALU) determines a defective pixel candidate of an image sensor based on the first frame captured by the image sensor, performs a lower-part comparison on the defective pixel candidate based on the first frame, and performs an upper-part comparison on the defective pixel candidate based on the second frame captured by the image sensor. The defective pixel candidate is confirmed to be defective based on the first frame as well as the second frame. Only limited pixel data is buffered for the defective pixel detection.

Provided are an information processing device, an information processing method, and an information processing program capable of reducing a processing load of convolution processing in a convolutional neural network (CNN). An information processing device (1) according to the present disclosure includes a setting unit (51) and a control unit (52). The setting unit (51) sets exposure time of each of imaging pixels in an imaging unit (2), which includes a plurality of imaging pixels arrayed two-dimensionally, to exposure time corresponding to a convolution coefficient of a first layer of a CNN. The control unit (52) causes transfer of signal charges from imaging pixels, which have been exposed, to a floating diffusion (FD), thereby performing convolution processing.

The dynamic range of a pixel is increased by using selective photosensor resets during a frame time of image capture at a timing depending on the light intensity that the pixel will be exposed to during the frame time. Pixels that will be exposed to high light intensity are reset later in the frame than pixels that will be exposed to lower light intensity.