Canon Kabushiki Kaisha

Mineo Uchida

Kei Ochiai

Shohei Tozawa

Hideo Kobayashi

Tetsuya Itano

Masaki Sato

Kazuo Yamazaki

Koichi Ito

Hideaki Takada

Takashi Kawakami

Minoru Hirose

Hideaki Sambonsugi

Tohru Ishibashi

Nobuyuki Furukawa

Emi Kondo

Yasuhiro Oguro

Takuya Imaizumi

Takumi Ishikawa

Takuma Yamazaki

Akari Hayashi

A wearable image pickup apparatus that eliminates manual change of an image pickup direction during picking up an image and can easily obtain an image that records experience while focusing attention on the experience. An image pickup apparatus includes an observation direction detection unit that is worn on a body other than a head of a user, an image pickup unit that is worn on the body of the user, a memory device that stores a set of instructions, and at least one processor that executes the set of instructions to: detect an observation direction of the user by the observation direction detection unit, pick up an image by the image pickup unit, and output an output image corresponding to the observation direction based on the image picked up by the image pickup unit.

Wearable image pickup apparatus, portable device and calibrator that communicate with image pickup apparatus, control methods therefor, and storage media storing control programs therefor

A pixel array includes a plurality of pixel blocks each formed of a plurality of pixels. A signal processing unit and a corresponding one of the pixel blocks are connected by a plurality of first signal lines. The signal processing unit and a corresponding one of transfer units are connected by a plurality of second signal lines. The signal processing unit includes a conversion circuit that sequentially performs analog-to-digital conversion on first signals input from the plurality of first signal lines during an identical period. The transfer units are disposed in a direction different from a first direction in which the first signal lines are provided, with respect to the circuit array in a second substrate.

Image sensor and image capturing apparatus

An imaging apparatus includes a clamp level is multiplied by a first feedback gain, and correct a signal of a part of photoelectric conversion portions of a unit pixel in an opening region based on a result of multiplication in which an error amount between a signal of a part of a photoelectric conversion portions of the unit pixel in a light-shielded region and a clamp level is multiplied by a second feedback gain, and thus the signal of the unit pixel can be corrected precisely.

Imaging apparatus and control method of imaging apparatus

An imaging apparatus includes a pixel region having a plurality of unit pixels arranged in a matrix, each of the unit pixels including first and second photoelectric conversion units, a reading controller configured to read first signals obtained by mixing signals output from the first and second photoelectric conversion units in rows of a first reading mode and read second signals at least including signals of the first photoelectric conversion units and third signals at least including signals of the second photoelectric conversion units in rows of a second reading mode, and an OB clamp processor configured to correct signals in the unit pixels included in an opening region in the pixel region based on signals output from the unit pixels included in a light shielding region in the pixel region. The OB clamp processor performs one of various correction processes depending on an imaging condition.

Imaging apparatus and method for driving the same

An image sensor comprises: a plurality of pixels; a first reference signal generator configured to output a first reference signal whose signal level changes with time; a second reference signal generator configured to output a second reference signal whose signal level changes with time, a rate of change of the signal level of the second reference signal being larger than that of the first reference signal; an analog-to-digital converter configured to perform an analog-digital conversion of a pixel signal output from each of the plurality of pixels using the first reference signal or the second reference signal selected in accordance with a magnitude of the pixel signal, wherein the plurality of pixels and the first reference signal generator are arranged in a first chip, and the second reference signal generator is arranged in a second chip.

Stacked-type solid state image sensor with a reference signal generator having output signal level changes with time and image capturing apparatus including the image sensor

There is provided an image capturing apparatus capable of controlling focus detecting pixels independently of the remaining image capturing pixels while maintaining the sensitivity of an image sensor and obtaining high image quality. The image capturing apparatus includes a first semiconductor chip, and a second semiconductor chip stacked on the first semiconductor chip. On the first semiconductor chip, the light receiving sections of a first pixel group and second pixel group, and a first pixel driving circuit configured to drive the pixels of the first pixel group are arranged. On the second semiconductor chip, a second pixel driving circuit configured to drive the pixels of the second pixel group is arranged.

Image capturing apparatus and mobile telephone

An imaging element includes pixel portions each having a first sub-pixel and a second sub-pixel and outputs a phase difference detection-type focus detecting signal. An image signal A includes information for the first sub-pixel and an image signal AB includes information for the second sub-pixel. A level determining unit compares the image signal A with a threshold value SHA and compares the image signal AB with a threshold value SHAB. A correlation calculation processing unit performs correlation calculation for a signal excluding the image signal A having a level exceeding the threshold value SHA and the image signal AB having a level exceeding the threshold value SHAB so as to output the result of calculation to a CPU. The CPU calculates a focal shift amount in accordance with the result of calculation and performs a focus adjusting operation by drive-controlling a focus lens.

Imaging apparatus with phase difference focus detection and method for controlling same

An image pickup apparatus including are, image pickup nit configured to employ a first mode and a second mode, and a controller configured to read out, in the first mode, a first row, and read out, in the second mode and a mode different from the second mode, a second row, the first row being read out in the first mode during a first read-out period, the second row being read out in the second mode during a second read-out period, the second row read out in the mode different from the second mode during a third read-out period, and the first to third read-out periods having the same length.

Image pickup apparatus and method for controlling image pickup apparatus

An imaging apparatus includes an imaging unit including a plurality of pixels each including a first photoelectric conversion unit, a second photoelectric conversion unit, and a microlens collecting light to the first photoelectric conversion unit and the second photoelectric conversion unit, and a first mixing unit configured to mix output signals from the first photoelectric conversion units of the plurality of pixels to generate a first signal and configured to output the first signal and a second signal based on the output signal from the first photoelectric conversion unit and an output signal from the second photoelectric conversion unit from each of the plurality of pixels, an image processing unit configured to generate an image based or the second signal, and a focus detection processing unit configured to perform focus detection based on the first signal and the second signal.

Imaging apparatus and signal processing method

A driving method for an image pickup apparatus includes accumulating a signal generated during a first charge accumulation period by a first sub pixel, accumulating a signal generated during a second charge accumulation period partially overlapped with the first charge accumulation period by a second sub pixel, and controlling column circuits such that, after processing of the signal generated during the first charge accumulation period is performed, processing of the signal is performed which is generated during the second charge accumulation period of the second sub pixel included in the pixel where the signal processing of the first sub pixel is performed, and the column circuits are put into a non-operating state during at least part of a period after the processing of the signal generated during the first charge accumulation period is ended until the second charge accumulation period is ended.

Driving method for an image pickup apparatus

A photoelectric convertor of a pixel is reset in a second row, which is different from a first row, among plural rows during a period in which the pixel in the first row among the plural rows is being selected as a pixel to output an optical signal. The reset of the photoelectric convertor of the pixel in the second row is canceled in a period other than a period in which an A/D converting unit converts the optical signal of the pixel in the first row into a digital signal.

Image pickup device driving method, image pickup device, and image pickup system using reset cancellation

An image pickup apparatus comprising a pixel configured to convert optical signal into an electrical signal, a comparison unit configured to compare a pixel signal from the pixel with a reference voltage, an A/D conversion unit configured to analog/digital (A/D)-convert the pixel signal in a conversion mode selected based on a comparison result of the comparison unit, and a correction unit configured to correct at least one of an offset and a gain generated by the A/D conversion for an output data of the A/D conversion unit, wherein a value for offset correction or gain correction performed by the correction unit is changed according to the selected conversion mode.

Image pickup apparatus comprising A/D converter with offset and gain correction based on amplitude of input signal

An image pickup apparatus includes an image pickup element including a plurality of pixels corresponding to a plurality of respective micro lenses and the first photoelectric conversion portion and the second photoelectric conversion portion that are included in each of the pixels and share a corresponding one of the micro lenses, and a signal processing unit configured to correct an addition signal of outputs from the first photoelectric conversion portion and the second photoelectric conversion portion included in each of the pixels and a first signal generated from a plurality of signals of the first photoelectric conversion portions corresponding to the micro lenses, and the signal processing unit corrects the addition signal for each of the pixels and corrects the first signal for the first photoelectric conversion portions.

Image pickup apparatus capable of selectively using one of correction values to correct image signals, image pickup system, signal processing method, and non-transitory computer-readable storage medium

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Kawasaki, Japan

Mineo Uchida