An event sensing system includes a pixel array including a plurality of event driven pixel circuits configured to be illuminated by incident light. The event driven pixel circuits are configured to generate an event current in response to a detection of an event in the incident light. Output signals of a row of the pixel array are configured to be read out from the row of the pixel array to a line buffer in response to the detection of the event in the incident light. A random number generator is configured to randomly generate a filtering mask. A mask circuit is the output signals of the row of the pixel array from the line buffer and the filtering mask from the random number generator to filter the output signals of the row of the pixel array in response to the filtering mask.

A semiconductor device according to an embodiment includes a plurality of element arrays, a signal-processing circuit, and a comparison-voltage generation circuit. Each element array is selectively connected to a vertical signal line and includes an amplification transistor configured to output a first analog signal on the basis of an input analog voltage and an actual value of variation of a characteristic value of each element array included in the plurality of element arrays. The comparison-voltage generation circuit is configured to output a gradually increasing or gradually decreasing comparison voltage. The signal-processing circuit includes a storage circuit and is configured to compare the first analog signal with the comparison voltage and store a timing at which the comparison voltage and a value of a second analog signal generated by adding a predetermined absolute value to the first analog signal match each other onto the storage circuit.

An imaging device according to an embodiment of the present disclosure includes: a pixel array; and a sensitivity setting section. The pixel array includes a plurality of light-receiving pixels that is divided into a plurality of pixel lines. The plurality of pixel lines includes a first pixel line and a second pixel line that extend in a first direction and are provided side by side in a second direction. The plurality of light-receiving pixels each accumulates electric charge corresponding to an amount of received light and each has light-receiving sensitivity which is variable. The sensitivity setting section sets the light-receiving sensitivity of a second light-receiving pixel in a first period on the basis of a first pixel value corresponding to a result of accumulation in a first light-receiving pixel disposed at a first position in the first pixel line in the first direction. The second light-receiving pixel is disposed at the first position in the second pixel line in the first direction.

An imaging device according to an embodiment of the present disclosure includes: a pixel array; and a sensitivity setting section. The pixel array includes a plurality of light-receiving pixels that is divided into a plurality of pixel lines. The plurality of pixel lines includes a first pixel line and a second pixel line that extend in a first direction and are provided side by side in a second direction. The plurality of light-receiving pixels each accumulates electric charge corresponding to an amount of received light and each has light-receiving sensitivity which is variable. The sensitivity setting section sets the light-receiving sensitivity of a second light-receiving pixel in a first period on the basis of a first pixel value corresponding to a result of accumulation in a first light-receiving pixel disposed at a first position in the first pixel line in the first direction. The second light-receiving pixel is disposed at the first position in the second pixel line in the first direction.

A TDI sensor which is capable of controlling the exposure according to the present disclosure includes a pixel unit which includes a plurality of line sensors; a light blocking unit which blocks light from being incident into some of the plurality of line sensors; a scan controller which generates an exposure control signal based on an external line trigger signal, generates an internal line trigger signal based on the external line trigger signal and the exposure control signal, and controls the movement of charges of the plurality of line sensors based on the internal line trigger signal.

An event sensing system includes a pixel array including a plurality of event driven pixel circuits configured to be illuminated by incident light. The event driven pixel circuits are configured to generate an event current in response to a detection of an event in the incident light. Output signals of a row of the pixel array are configured to be read out from the row of the pixel array to a line buffer in response to the detection of the event in the incident light. A random number generator is configured to randomly generate a filtering mask. A mask circuit is the output signals of the row of the pixel array from the line buffer and the filtering mask from the random number generator to filter the output signals of the row of the pixel array in response to the filtering mask.

An image sensor for sampling a pixel signal a plurality of times during a readout time includes an analog comparator configured to compare a signal level of the pixel signal with a signal level of a target ramp signal that is any one of a plurality of ramp signals, a counter configured to output counting data based on a comparison result of the analog comparator, and a digital comparing circuit configured to compare a binary value of a target reference code corresponding to the target ramp signal with a binary value of the counting data and determine whether to output a digital signal corresponding to the counting data to a data output circuit based on a result of the comparison between the binary value of the counting data and the binary value of the target reference code.

Some embodiments include a system, comprising: a plurality of pixels; a plurality of data lines coupled to the pixels; a plurality of switches coupling the pixels to the data lines; a plurality of readout circuits coupled to the data lines; control logic coupled to the readout circuits, the control logic configured to, for one of the pixels: acquire a first value for the pixel while the corresponding switch is in an off state; reset the corresponding readout circuit corresponding for the pixel; acquire a second value for the pixel after resetting the readout circuit; turn on the corresponding switch; acquire a third value for the pixel after turning on the corresponding switch; and combine the first value, the second value, and the third value into a combined value for the pixel.

A photoelectric conversion device includes first to fourth pixel columns. Each of the first to fourth pixel columns includes a plurality of pixels arranged in a predetermined direction. Each of the plurality of pixels arranged in the first to fourth pixel columns includes a photoelectric conversion element configured to receive light of a wavelength region and generate a signal charge. Each of the plurality of pixels arranged in the first to fourth pixel columns further includes a circuit configured to convert the signal charge generated by the photoelectric conversion element into a voltage signal. Directions of reading the voltage signals from the first pixel column and the second pixel column are different from directions of reading the voltage signals from the third pixel column and the fourth pixel column.

Subpixel line scanning. A slide scanning device comprises a plurality of line sensors (112a, 112b, 112c), each comprising a plurality of pixel sensors. Each line sensor is offset from an adjacent line sensor by a fraction of a length of each pixel sensor, and generates a line image of the same field of view at its respective offset. For each of a plurality of positions on a sample, a processor combines the line images of the same field of view, generated by the plurality of line sensors at their respective offsets, to produce a plurality of subpixels for each of at least a subset of pixels within the line images of the same field of view, and generates an up-sampled line image of the position comprising the plurality of subpixels. Then, the processor combines the up-sampled line images of each of the plurality of positions on the sample into an image.