The present technology relates to a signal processing device and method, and a program that enable easier and more accurate failure detection. The signal processing device includes: an addition unit that adds test data for failure detection to valid data on which predetermined processing is to be performed, two or more samples processed in parallel in different paths having a same sample value in the test data; and a signal processing unit that performs the predetermined processing on the valid data and the test data that has been added to the valid data by a plurality of the paths. The present technology can be applied to in-car cameras.

Presence or absence of an abnormality is easily determined in a solid-state imaging element that detects an address event. The solid-state imaging element includes a photoelectric conversion element, a test signal supply unit, a selection unit, and a comparator. The photoelectric conversion element converts incident light into an electric signal by photoelectric conversion. The test signal supply unit supplies, as a test signal, a signal that fluctuates with time. The selection unit selects either the electric signal or the test signal. The comparator compares a predetermined threshold value with the signal selected by the selection unit, and outputs a result of the comparison.

In an image capturing apparatus, an image sensing device includes a plurality of groups of pixels each including a plurality of photoelectric conversion elements, signals from the plurality of photoelectric conversion elements being readable separately for each photoelectric conversion element via a signal line used in common by each group of pixels. A reading unit performs, on a plurality of groups of pixels, a reading-out operation to reading out a signal as a first signal from part of the plurality of photoelectric conversion elements and a second reading-out operation to mix signals from the plurality of photoelectric conversion elements and read out a resultant mixed signal as an image signal. A generation unit generates one image file including the first signal, the image signal, and defect data indicating a group of pixels for which the first signal is defective while the image signal is not defective.

A solid-state imaging device includes a plurality of pixel circuits arranged in rows and columns; and a relief unit which includes N signal lines and n pixel circuits among the plurality of pixel circuits, N being an integer greater than or equal to 3, n being an integer less than or equal to N. Each of the n pixel circuits is connected to a group of at least two signal lines out of the N signal lines, and selectively outputs a pixel signal to one of the at least two signal lines included in the group; and n groups corresponding to the n pixel circuits have mutually different combinations of signal lines, the n groups each being the group.

In an image capturing apparatus, an image sensing device includes a plurality of groups of pixels each including a plurality of photoelectric conversion elements, signals from the plurality of photoelectric conversion elements being readable separately for each photoelectric conversion element via a signal line used in common by each group of pixels. A reading unit performs, on a plurality of groups of pixels, a reading-out operation to reading out a signal as a first signal from part of the plurality of photoelectric conversion elements and a second reading-out operation to mix signals from the plurality of photoelectric conversion elements and read out a resultant mixed signal as an image signal. A generation unit generates one image file including the first signal, the image signal, and defect data indicating a group of pixels for which the first signal is defective while the image signal is not defective.

A solid-state imaging device includes: a plurality of pixel circuits arranged in rows and columns; a plurality of selector circuits that each receive, as inputs, two pixel signals corresponding to two columns different from each other; k column AD conversion circuits that perform AD conversion on pixel signals output from the plurality of selector circuits, k being an integer greater than or equal to two; and m column AD conversion circuits that are provided redundantly. In the solid-state imaging device, the plurality of selector circuits selectively exclude, from among the k column AD conversion circuits and the m column AD conversion circuits, m column AD conversion circuits corresponding to m columns adjacent to each other, and associate k pixel signals output from the plurality of pixel circuits with k column AD conversion circuits which have not been excluded.

A row driver assembly includes a row driver unit. The row driver unit includes a buffer circuit that drives a control signal to a pixel circuit. The buffer circuit is electrically connected to a high buffer supply voltage and to a low buffer supply voltage. A voltage converter circuit supplies the low buffer supply voltage to the buffer circuit. An error detection circuit outputs an active error signal when the low buffer supply voltage is outside a target voltage window.

Provided is an imaging device including: a photoelectric converter; an AD converter unit including a differential stage; and a ramp signal generator. The photoelectric converter and a first part of the differential stage are arranged in a first chip, a second part of the differential stage is arranged in a second chip that is a different chip from the first chip and stacked on the first chip, and the ramp signal generator is arranged in a different chip from the first chip.

An imaging device includes a first transmission line connected to a plurality of bit memories, a plurality of second bit memories disposed outside the memory area, and connected to the first transmission line, and each are configured to hold a digital signal of one bit that is one of different bits among a plurality of bits, a second transmission line connected to a part of the plurality of second bit memories, and a third transmission line connected to another part of the plurality of second bit memories.

An imaging device has a sensor chip and a signal processing chip. The sensor chip includes a pixel array in which a plurality of pixels are arranged in a 2-dimensional matrix and a data output terminal group made up of a plurality of data output terminals which output analog signals of pixels for each pixel column of the pixel array. The signal processing chip includes a data input terminal group electrically coupled to the data output terminal group, a plurality of A/D converters which convert analog signals of pixels received by the data input terminal group into digital signals for each pixel column of the pixel array, and a control unit which controls operation of the plurality of A/D converters.