Canon Kabushiki Kaisha

Yumi Takao

Nobutaka Mizuno

Koichi Fukuda

Masaaki Iwane

Shoji Kono

Yoshiaki Takada

Junichi Imamiya

Hideyuki Hamano

Hirotaro Kikuchi

An apparatus comprising a sensor capable of generating a signal pair used in focus detection. The apparatus obtains, based on a defocus amount obtained using the signal pair, a focus distance of a lens unit that is mounted to the apparatus and adjusts a focus distance of the lens unit based on the obtained focus distance. When the lens unit is a multi-scopic lens unit having a plurality of optical systems having different axes, the apparatus obtains the focus distance using an adjustment value obtained based on an axis position that is a position on the sensor through which an axis of the multi-scopic lens unit passes.

Apparatus and method executed by apparatus

An image pickup apparatus includes an image sensor including a pair of focus detection pixels configured to receive light beams that have passed through different areas in an exit pupil of an imaging optical system, and at least one processor caused to function as a focus detection unit configured to detect focus of the imaging optical system by using a pair of focus detection signals which is generated by using output signals from the pair of focus detection pixels. The focus detection unit can detect the focus in a plurality of spatial frequency bands. The focus detection unit acquires a focus detection result to be used in a spatial frequency band corresponding to an aberration amount of the imaging optical system, the spatial frequency band being included in the plurality of spatial frequency bands.

Image pickup apparatus

An image capturing apparatus comprises an image sensor and a focus detection unit configured to, based on an image signal obtained by the image sensor while performing a scan operation that causes a focus lens to move along an optical axis of the imaging optical system, calculate a focus evaluation value and detect a position of the focus lens at which the focus evaluation value is a maximum, wherein the focus detection unit, in a case where the imaging optical system includes a reflective optical system in which a part of a light beam is blocked, sets a calculation method of the focus evaluation value or a control method of the focus lens during the scan operation based on information relating to a shape of the reflective optical system.

Image capturing apparatus using information relating to a shape of the reflective optical system, method of controlling the same, and storage medium

In order to provide an image processing apparatus that can obtain images having a plurality of F-numbers simultaneously by one shooting operation, the image processing apparatus includes an image pickup device, each pixel of the image pickup device has a micro lens for condensing light and a photoelectric conversion region provided beneath the micro lens, and the photoelectric conversion region includes an upper electrode and a lower electrode sandwiching a photoelectric conversion film and forms at least first to third regions that are divided and arranged in a plane parallel to the image pickup plane by the upper electrode or the lower electrode. Additionally, the first region has a shape for forming a circle, and the second and third regions are arranged outside the first region. Additionally, the image processing apparatus includes a readout unit that reads out photoelectric conversion signals obtained from one image pickup operation from each of the first to third regions.

Image processing apparatus

An image capturing apparatus comprises an image sensor for capturing a subject image, a focus detection unit configured to, based on an image signal obtained by photoelectrically converting the subject image while performing a scan operation that causes a focus lens to move along an optical axis, calculate a focus evaluation value and detect a position of the focus lens at which the focus evaluation value is a maximum, and a calculation unit configured to, in a case where the imaging optical system includes a reflective optical system, calculate, based on information on the reflective optical system and information on an image forming position for each of a plurality of different spatial frequencies, a correction value for correcting a focus detection result of the focus detection unit.

Image capturing apparatus, method of controlling the same, camera system, and storage medium

An image sensor comprising a pixel portion that is constituted by a plurality of pixels, and includes a first pixel group and a second pixel group, wherein each of the pixels included in the first pixel group and the second pixel group includes: a plurality of photoelectric conversion portions; and a plurality of transfer gates that respectively correspond to the photoelectric conversion portions, and have transfer gate electrodes covering same partial regions in the photoelectric conversion portions, and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the first pixel group and an average position of barycenters of respective light receivable regions of the photoelectric conversion portions included in each pixel of the second pixel group are at positions different from each other in the pixels.

Image sensor and image capturing apparatus

A focus detection apparatus comprising: a focus detection unit that detects an in-focus position using an image signal obtained by an image sensor photoelectrically converting light that has entered via an imaging optical system; a first acquisition unit that acquires aberration information of the imaging optical system; a generating unit that generates a recording image using the image signal; a calculation unit that calculates, on the basis of the aberration information, a correction value for correcting a difference between the in-focus position detected by the focus detection unit and a position to be focused on in the recording image; and a correction unit that corrects the in-focus position using the correction value. The calculation unit calculates the correction value on the basis of information of a display unit that displays an image based on the image signal.

Focus detection apparatus and method, image capturing apparatus, and lens unit

An image capturing apparatus capable of executing autofocus by at least one of a phase difference detection method and a contrast detection method using an image signal obtained from a set focus detection region and from which an imaging optical system and a converter lens are detachable. The image capturing apparatus comprises: a conversion unit configured to convert aberration information indicating a spherical aberration of the imaging optical system based on a magnification and aberration information of the converter lens in a case where the converter lens is mounted; a calculation unit configured to calculate a correction value for correcting a difference between a result of the autofocus and a focus condition of a captured image; and a control unit configured to control a position of a focus lens based on the result of the autofocus that has been corrected using the correction value.

Image capturing apparatus and method for controlling image capturing apparatus

The imaging device includes a first pixel group and a second pixel group that include a plurality of pixels each having a plurality of photoelectric conversion portions that are separated by an isolation portion and arranged in a first direction and a plurality of transfer gates that transfer charges of the plurality of photoelectric conversion portions. A position of at least a part of the isolation portion within each of the pixels of the first pixel group and a position of at least a part of the isolation portion within each of the pixels of the second pixel group are shifted relative to each other in the first direction. Respective widths of portions where the plurality of separated photoelectric conversion portions overlap with the plurality of transfer gates in a planar view are the same.

Imaging device having a plurality of pixels each with a plurality of photoelectric conversion portions covered by one microlens of a plurality of microlenses

Provided is an information processing apparatus having an aberration information obtaining unit configured to obtain first aberration information of an image capturing optical system associated with the first pupil region and second aberration information of the image capturing optical system associated with the second pupil region; a calculation unit configured to calculate a first defocus information based on at least one of the first image signal and the second image signal; and a correction unit configured to correct the first defocus information based on the first aberration information and the second aberration information to generate a second defocus information.

Information processing apparatus and information processing method

An image pickup apparatus is capable of executing automatic focus detection of an imaging optical system, and includes a first acquisition unit configured to acquire aberration information of the imaging optical system, a second acquisition unit configured to acquire object information of an object in a focus detecting area, a calculation unit configured to calculate, based on the aberration information of the imaging optical system and the object information, a correction value used to correct a difference between a focus state of a captured image and a result of the automatic focus detection, caused by the aberration of the imaging optical system, and a correction unit configured to correct the result of the automatic focus detection using the correction value.

Image pickup apparatus, control method, and non-transitory computer-readable storage medium with aberration and object information acquisition for correcting automatic focus detection

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Nagareyama, Japan

Yumi Takao