Abstract: An image pickup apparatus includes an image sensor having a plurality of focus detecting pixels configured to receive light beams that have passed through different pupil partial regions in an imaging optical system, a first focus detector configured to acquire a defocus amount of a first optical system based on a pair of signals from the focus detecting pixels, a second focus detector configured to acquire a defocus amount of a second optical system based on a pair of signals from the focus detecting pixels, and an alert unit configured to issue an alert to prompt adjustment of the first optical system or the second optical system in a case where a difference between the defocus amount of the first optical system and the defocus amount of the second optical system is larger than a first predetermined value.

Abstract: Based on captured image data, a detection unit detects a subject area that partially includes a subject to be detected. A control unit performs shooting control based on data corresponding to the subject area among the captured image data, and on a distribution of existence probabilities of the subject in the subject area. The distribution is stored in a memory. The control unit performs the shooting control so that a contribution of data corresponding to a position with a first existence probability is larger than a contribution of data corresponding to a position with a second existence probability that is lower than the first existence probability.

Abstract: A focus control apparatus preforms a focus detection using a phase-difference detecting method, and controls a drive of a focus lens included in an optical system based on a focus detection result acquired by the focus detection. The focus control apparatus sets, in a search operation of acquiring the focus detection result while driving the focus lens in a search direction, a movable range of the focus lens based on the search direction and a position of the focus lens, in a case where the focus detection result for a position within the movable range is acquired, drives the focus lens based on the focus detection result, and in a case where the focus detection result for a position outside the movable range is acquired, drives the focus lens in the search direction without using the focus detection result.

Abstract: An eye-gaze information acquiring apparatus comprising at least one memory and at least one processor which function as: a first acquiring unit configured to acquire first eye-gaze information of an observer who observes display unit displaying an image; a pointer display unit configured to display a pointer indicating an eye-gaze position of the observer on the display unit when a display setting is set to on; and a second acquiring unit configured to acquire second eye-gaze information, based on the first eye-gaze information, wherein the second acquiring unit acquires the second eye-gaze information by a different method depending on the display setting of the pointer.

Abstract: A device includes a focus detection unit configured to detect a defocus amount based on a focus detection signal output from an image capturing device, an object detection unit configured to detect a specific object based on image data output from the image capturing device, and a processing unit configured to perform first obstacle detection processing detecting an obstacle based on characteristics of the defocus amount on the specific object, and to perform second obstacle detection processing detecting an obstacle higher in spatial frequency than the specific object.

Abstract: A detection unit detects a subject area that partially includes a subject to be detected in a shooting range. An obtainment unit obtains a plurality of defocus amounts corresponding to a plurality of ranging points inside a ranging area that includes the subject area. A categorization unit categorizes the ranging area into a plurality of partial areas based on the plurality of defocus amounts. Each of the plurality of partial areas corresponds to a different one of partial ranges in a range of the plurality of defocus amounts. A control unit performs shooting control based on the plurality of partial areas. The shooting control is performed so that a contribution of a partial area with a first subject degree is larger than a contribution of a partial area with a second subject degree that is lower than the first subject degree.

Abstract: Based on captured image data, a detection unit detects a subject area that partially includes a subject to be detected. A control unit performs shooting control based on data corresponding to the subject area among the captured image data, and on a distribution of existence probabilities of the subject in the subject area. The distribution is stored in a memory. The control unit performs the shooting control so that a contribution of data corresponding to a position with a first existence probability is larger than a contribution of data corresponding to a position with a second existence probability that is lower than the first existence probability.

Abstract: A lens apparatus includes an imaging optical system, a storage unit configured to store aperture information about the imaging optical system, and a transmission unit configured to transmit the aperture information to an imaging apparatus, wherein the aperture information is determined based on a shape parameter representing a shape of an aperture which defines an outer edge of a light flux passing through the imaging optical system.

Abstract: An eye-gaze information acquiring apparatus comprising at least one memory and at least one processor which function as: a first acquiring unit configured to acquire first eye-gaze information of an observer who observes display unit displaying an image; a pointer display unit configured to display a pointer indicating an eye-gaze position of the observer on the display unit when a display setting is set to on; and a second acquiring unit configured to acquire second eye-gaze information, based on the first eye-gaze information, wherein the second acquiring unit acquires the second eye-gaze information by a different method depending on the display setting of the pointer.

Abstract: There is provided a subject tracking apparatus. An obtainment unit obtains first and second shot images, and depth direction distance information in a plurality of regions in each of the first and second shot images. A specifying unit specifies a subject to be tracked in the first and second shot images based on the distance information of the first and second shot images. The specifying unit specifies a region of the subject to be tracked in the second shot image corresponding to a region of the subject to be tracked in the first shot image by comparing histograms of the distance information of the first and second shot images.

Abstract: Based on captured image data, a detection unit detects a subject area that partially includes a subject to be detected. A control unit performs shooting control based on data corresponding to the subject area among the captured image data, and on a distribution of existence probabilities of the subject in the subject area. The distribution is stored in a memory. The control unit performs the shooting control so that a contribution of data corresponding to a position with a first existence probability is larger than a contribution of data corresponding to a position with a second existence probability that is lower than the first existence probability.

Abstract: An image processing apparatus performs subject tracking by pattern matching using a template that is based on a set tracking target region. The apparatus performs the template matching by setting one of first and second region as a new tracking target region. Wherein the first region is detected by template matching and the second region corresponds to a previously set tracking target region.

Abstract: A detection unit detects a subject area that partially includes a subject to be detected in a shooting range. An obtainment unit obtains a plurality of defocus amounts corresponding to a plurality of ranging points inside a ranging area that includes the subject area. A categorization unit categorizes the ranging area into a plurality of partial areas based on the plurality of defocus amounts. Each of the plurality of partial areas corresponds to a different one of partial ranges in a range of the plurality of defocus amounts. A control unit performs shooting control based on the plurality of partial areas. The shooting control is performed so that a contribution of a partial area with a first subject degree is larger than a contribution of a partial area with a second subject degree that is lower than the first subject degree.

Abstract: A device includes a focus detection unit configured to detect a defocus amount based on a focus detection signal output from an image capturing device, an object detection unit configured to detect a specific object based on image data output from the image capturing device, and a processing unit configured to perform first obstacle detection processing detecting an obstacle based on characteristics of the defocus amount on the specific object, and to perform second obstacle detection processing detecting an obstacle higher in spatial frequency than the specific object.

Abstract: An apparatus includes a generation unit configured to generate a plurality of respective focus detection signals corresponding to different pupil areas by using pixel signals acquired by pixels, and a detection unit configured to calculate an image deviation amount based on the plurality of focus detection signals and detect a defocus amount from the image deviation amount and a conversion coefficient. The detection unit calculates the conversion coefficient based on a pupil eccentric amount of an image sensor, an incident pupil distance of the image sensor, and opening information about a plurality of frames in an imaging optical system.

Abstract: Based on captured image data, a detection unit detects a subject area that partially includes a subject to be detected. A control unit performs shooting control based on data corresponding to the subject area among the captured image data, and on a distribution of existence probabilities of the subject in the subject area. The distribution is stored in a memory. The control unit performs the shooting control so that a contribution of data corresponding to a position with a first existence probability is larger than a contribution of data corresponding to a position with a second existence probability that is lower than the first existence probability.

Abstract: An optical apparatus is an image-capturing apparatus to which an image-capturing optical system is interchangeably attached. The optical apparatus comprises an image sensor 122 configured to capture an object image formed via the image-capturing optical system, a focus detector 129 configured to perform focus detection by a phase difference detection method using the image sensor and a controller 125 having a processor which executes instructions stored in a memory or having circuitry, the controller being configured to calculate a drive amount of a focus element using a defocus amount acquired by the focus detection and a focus sensitivity of the image-capturing optical system. The controller acquires correction data unique to the attached image-capturing optical system and corresponding to a blue spread amount on the image sensor, and calculates the drive amount using the focus sensitivity corrected by using the correction data.

Abstract: A lens apparatus includes an imaging optical system, a storage unit configured to store aperture information about the imaging optical system, and a transmission unit configured to transmit the aperture information to an imaging apparatus, wherein the aperture information is determined based on a shape parameter representing a shape of an aperture which defines an outer edge of a light flux passing through the imaging optical system.

Abstract: An apparatus includes a generation unit configured to generate a plurality of respective focus detection signals corresponding to different pupil areas by using pixel signals acquired by pixels, and a detection unit configured to calculate an image deviation amount based on the plurality of focus detection signals and detect a defocus amount from the image deviation amount and a conversion coefficient. The detection unit calculates the conversion coefficient based on a pupil eccentric amount of an image sensor, an incident pupil distance of the image sensor, and opening information about a plurality of frames in an imaging optical system.

Abstract: A control apparatus includes an acquirer (129a) that acquires a first signal and a second signal that correspond to output signals of a first photoelectric converter and a second photoelectric converter, respectively, the first and second photoelectric converters receiving light beams passing through different pupil regions of an image capturing optical system from each other, and a calculator (129b) that calculates a correlation value of the first signal and the second signal to calculate a defocus amount based on the correlation value, and the calculator corrects the correlation value based on a light receiving amount of at least one of the first photoelectric converter and the second photoelectric converter.