H04N23/672

Image-focusing method and associated image sensor
11539875 · 2022-12-27 · ·

An autofocusing method includes capturing an image of a scene with a camera that includes a pixel array; computing a horizontal-difference image, and a vertical-difference image; and combining the horizontal-difference image and the vertical-difference image to yield a combined image. The method also includes determining, from the combined image and the intensity image, an image distance with respect to a lens of the camera at which the camera forms an in-focus image. The pixel array includes horizontally-adjacent pixel pairs and vertically-adjacent pixel pairs each located beneath a respective microlens. The horizontal-difference image includes, for each horizontally-adjacent pixel pair, a derived pixel value that is an increasing function of a difference between pixel values generated by the horizontally-adjacent pixel pair. The vertical-difference image includes, for each vertically-adjacent pixel pair, a derived pixel value that is an increasing function of a difference between pixel values generated by the vertically-adjacent pixel pair.

Apparatus, image capturing apparatus, method, and storage medium for performing shooting control
11533422 · 2022-12-20 · ·

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.

IMAGE PROCESSING APPARATUS, IMAGE PICKUP APPARATUS, IMAGE PROCESSING METHOD, AND RECORDING MEDIUM
20220400210 · 2022-12-15 ·

An image pickup apparatus acquires image data after image pickup, and depth information corresponding to an object in an image with respect to the image data and performs focus adjustment control of an imaging optical system based on focus detection results. The image pickup apparatus acquires information about an AF (auto focus) region during image capturing and determines a part of the region in the image to serve as a specific region. The image pickup apparatus performs evaluation of a focus state with respect to the image data based on the depth information corresponding to the AF region and the depth information corresponding to the specific region. The image pickup apparatus executes rating processing, and the rating data corresponding to the in-focus results of the AF region and the rating data corresponding to the in-focus results of the specific region are acquired to serve as evaluation information.

APPARATUS AND METHOD EXECUTED BY APPARATUS
20220400208 · 2022-12-15 ·

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.

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM
20220398688 · 2022-12-15 ·

There is provided an image processing apparatus comprising: a processor; and a memory storing a program. When the program is executed by the processor, the program causes the image processing apparatus to: obtain a first RAW image including a region of a first circular fisheye image; and develop the first RAW image. A pixel outside the region of the first circular fisheye image in the first RAW image is not developed.

Lens control apparatus, control method, and storage medium

An apparatus includes at least one processor programmed to perform operations of the following units: a focus detection unit configured to detect a defocus amount; and a control unit configured to control a focus lens to move based on the defocus amount, wherein the control unit includes three speed control patterns of acceleration control, constant speed control, and deceleration control, and the speed control patterns are changed based on at least two or more parameters.

Control apparatus, image pickup apparatus which changes an autofocus operation based on a ratio of a number of low contrast frames to a number of focus detecting frames
11528406 · 2022-12-13 · ·

An apparatus includes a calculation unit that calculates a plurality of defocus amounts corresponding to a plurality of focus detecting frames obtained by dividing an area corresponding to a display frame, and a selection unit that selects one focus detecting frame which corresponds to one defocus amount used for an AF control. The selection unit changes an AF operation for selecting the one focus detecting frame based on the number of low contrast frames to the number of focus detecting frames or based on reliability selected from part of the area and a ratio of focus detecting frames having a high reliability in the area, or performs an AF operation for selecting the one focus detecting frame so that a high contrast frame is prioritized over a low contrast frame.

LOW POWER OBJECT DETECTION

Systems, methods, and computer-readable media are provided for low power, variable focus. An example method can include obtaining, based on a trigger, a first image of a scene captured by an image sensor, the first image being captured with a lens of the image sensor in a first configuration of a plurality of available lens configurations; determining, based on the first image and a first detection result, whether an object of interest is present in the first image; in response to determining that the object of interest is not present in the first image, adjusting the lens to a second configuration selected from the plurality of lens configurations; obtaining, by the image sensor, a second image of the scene while the lens is in the second configuration; and determining, based on the second image and a second detection result, that the object of interest is present in the second image.

Focus detection apparatus and method, and image capturing apparatus
11523044 · 2022-12-06 · ·

A focus detection apparatus comprises a determination unit that determines whether a first signal output from an image sensor satisfies a predetermined condition, and outputs first information indicating a result of the determination, a calculation unit that performs filter processing on a plurality of the first signals using predetermined coefficients at a predetermined cycle and outputs a second signal, a generation unit that generates second information showing an effect of the first signal which satisfies the predetermined condition on the second signal using the coefficients and plural pieces of the first information corresponding to the plurality of the first signals used in the filter processing, and a focus detection unit that detects a focus state based on a plurality of the second signals and the second information.

Electronic device, control method of electronic device, and non-transitory computer readable medium

An electronic device according to the present invention, includes at least one memory and at least one processor which function as: an acquisition unit configured to acquire gaze information relating to a gaze position of a user; and a display control unit configured to execute control for displaying a captured image on a display surface and for displaying a predetermined item in a first state at the gaze position on the display surface, wherein, in a case where a predetermined first condition is satisfied, the display control unit switches a display state of the predetermined item from the first state to a second state in which the predetermined item is displayed in a more subdued manner than the first state.