Canon Kabushiki Kaisha

Kazuma Sakato

Yohei Horikawa

Hiroyasu Katagawa

Shuto Funakoshi

A programmable signal processing apparatus comprises a plurality of ALUs and a control unit that performs control for configuring a targeted circuit based on received information. The plurality of ALUs include a first type of ALU with one input and multiple outputs and a second type of ALU with two inputs and one output. The first type of ALU delays input data and outputs a plurality of pieces of data with different delay amounts. The second type of ALU generates one or two delayed data and performs an operation on the one or two data. The second ALU does not delay the one or two data in a state where supply of a clock signal to a plurality of registers in the second ALU is cut off.

Programmable signal processing apparatus

An image capturing apparatus capable of performing pattern recognition with high accuracy without decreasing customer satisfaction and performing image capturing control according to a capturing scene based on a result of the pattern recognition. The image capturing apparatus includes an image sensor that includes a photoelectric conversion section including first type pixels that receive visible light from a light flux from an object and output a visible light image and second type pixels that receive invisible light from the light flux and output an invisible light image, a memory device that stores instructions, and a processor that executes the instructions to perform pattern recognition of the invisible light image, and to switch an image capturing control for capturing the visible light image from a first image capturing control to a second image capturing control when a specific pattern is detected from the invisible light image through the pattern recognition.

Image capturing apparatus that switches image capturing control according to capturing scene, information processing apparatus, control methods therefor, and storage media storing control programs therefor

A signal processing apparatus that can suppress degradation of accuracy of phase difference detection. An obtaining unit obtains a plurality of frames of image signals from a plurality of photoelectric conversion units, which receives light fluxes with different incident directions from an object, an information receiving unit receives saturation information indicating whether the obtained image signals are saturated, a filter arithmetic unit subjects the output image signals of the plurality of frames to filter processing, an evaluation value calculation unit calculates a multivalued saturation evaluation value indicating reliability of the image signals subjected to the filter processing using the saturation information of the image signals of the frames most recently output, and a phase difference detection unit determines whether to use the image signals subjected to the filter processing for phase difference detection based on the calculated saturation evaluation value.

Signal processing apparatus that detects phase differences in image signals, signal processing method, and storage medium

A processing apparatus having a programmable circuit including a plurality of ALUs, comprises a holding unit which holds configuration information for switching the programmable circuit from a first circuit setting to a second circuit setting, and timing information; and an updating unit which updates each ALU so as to switch the programmable circuit from the first circuit setting to the second circuit setting, wherein in switching from the first circuit setting to the second circuit setting after the programmable circuit has executed the first data processing, the updating unit, using the timing information, updates the first ALU at a timing at which last data of the first data processing is output from the first ALU, and updates the second ALU at a timing at which the last data is output from the second ALU.

Processing apparatus, method of controlling the same, and non-transitory computer readable storage medium

Provided are a solid state imaging device, an imaging apparatus, and an imaging method that may acquire a desired image without using a frame memory. The solid state imaging device includes: a sensor unit that generates pulses at a frequency in accordance with a frequency of photon reception; a count unit that generates an image signal by counting the number of signals generated from the sensor unit; and a processing unit that performs a predetermined process on a count value obtained in acquisition of a first image signal, and the count unit combines a second image signal and a value obtained by performing a predetermined process on the count value obtained in the acquisition of the first image signal to generate a third image signal.

Solid state imaging device capable of acquiring a desired image without using a frame memory, imaging apparatus, and imaging method

An imaging device acquires a plurality of viewpoint image signals having different viewpoints from an imaging element. The imaging device selects a subject region within a captured image, and divides the subject region into a plurality of regions. The imaging device performs a correlation operation for each divided region, and calculates an amount of parallax on the basis of one or more extreme positions. In addition, the imaging device calculates distance information of a subject on the basis of the amount of parallax, and calculates a reliability for the distance information. If there are two or more pieces of distance information which are output in the divided region, the imaging device generates a distance histogram using the two or more pieces of distance information based on the reliability.

Image processing device, control method thereof, imaging device, and recording medium

An image capturing apparatus is provided with an image sensor having phase difference detection pixels for performing focus detection, an exposure control unit for causing at least the phase difference detection pixels to perform a plurality of accumulations whose exposure periods are a second exposure period shorter than a first exposure period which is a target for obtaining a main image by the image sensor, and a prediction unit for predicting an in-focus position of a subject based on signals of at least two phase difference detection pixels obtained by at least two accumulations among the plurality of accumulations whose exposure periods are the second exposure period.

Image capturing apparatus, method of controlling same, and storage medium

The invention provides an apparatus comprising a programmable circuit including a plurality of 2-input 1-output ALUs, and an updating unit updating the programmable circuit according to circuit information, wherein each of the ALUs includes a calculation unit which performs a set type of calculation for two data and output a calculation result, a delay unit which delays the two input data in accordance with delay amounts independently set and supplies the delayed data to the calculation unit, and a controller which controls a delay amount for the delay unit and a calculation timing for the calculation unit in accordance with externally set information, wherein the updating unit sets clock gating start timings for a plurality of delay elements of the delay unit if an ALU of interest as a first processing circuit in the programmable circuit inputs final data to be processed.

Growing community of inventors

Kanagawa, Japan

Kazuma Sakato