Canon Kabushiki Kaisha

Shunsuke Chino

Seiya Ohta

Toshiyuki Dobashi

Natsuko Sato

Ryo Kawasaki

Naoki Maruyama

Taisuke Nishio

Mitsuhiro Ono

Keiichi Yamamoto

Kentaro Kogure

Minoru Haga

An image processing apparatus includes at least one processor, and a memory coupled to the at least one processor, the memory storing instructions that, when executed by the at least one processor, cause the at least one processor to perform a detection on influence of infrared light on colors of an input image, calculate a white balance control value based on the input image, and control a timing when the white balance control value for the input image is calculated, wherein the white balance control value is calculated at a first timing when a result of the detection is changed, and a second timing when presence of the influence of the infrared light is detected.

Image processing apparatus for controlling a white balance, image processing method, and storage medium

An information processing apparatus includes an acquisition unit that acquires a captured image, a first detection unit that detects a subject from the image acquired by the acquisition unit, a second detection unit that detects a part of the subject from the image acquired by the acquisition unit, and a determination unit that determines exposure based on a luminance of the subject detected by the first detection unit to decrease a difference between the luminance of the subject and a first luminance which is a target luminance of the subject, and subsequently determines exposure based on a luminance of the part of the subject detected by the second detection unit to decrease a difference between the luminance of the part of the subject and a second luminance which is a target luminance of the part of the subject, the second luminance being different from the first luminance.

Information processing apparatus, imaging apparatus, method, and storage medium for determining exposure appropriate for partial detection of a subject

An image processing apparatus includes a detection unit configured to detect an influence of infrared light on a color of an input image, a calculation unit configured to calculate a first white balance control value based on the input image, a determination unit configured to perform determination of whether the first white balance control value is effective, and a setting unit configured to set a predetermined white balance control value based on a result of the determination by the determination unit.

Image processing apparatus, image processing method, and storage medium

To realize an illumination control device and the like that can make color reproductivity of an image compatible with an S/N ratio at the time of infrared illumination, the illumination control device includes a visible light measurement unit configured to measure an amount of visible light components; an infrared illumination unit configured to perform infrared illumination; and a control unit configured to cause an intensity of the infrared illumination by the infrared illumination unit to gradually change as the amount of visible light components measured by the visible light measurement unit decreases from a first threshold to a second threshold.

Illumination control device, imaging device, and storage medium

A control apparatus is operable to control capturing by an image capturing apparatus. The control apparatus comprises: a detection unit configured to detect a feature portion included in an image that was captured by the image capturing apparatus; and a determination unit configured to, based on a subject region that surrounds a subject including a feature portion detected by the detection unit, determine an exposure region for calculating an exposure. The determination unit determines the exposure region by extending the subject region in a first direction.

Control apparatus for controlling exposure and method for controlling the same

An apparatus capable of communicating with a capturing apparatus includes a first acquisition unit configured to acquire an image captured by the capturing apparatus, a second acquisition unit configured to acquire first exposure information determined by the capturing apparatus based on a luminance of a first region in the image, a first determination unit configured to determine second exposure information based on a luminance of a second region, a second determination unit configured to determine correction information based on a difference between the first exposure information and the second exposure information, and an output unit configured to output the correction information to the capturing apparatus.

Apparatus for controlling exposure of capturing apparatus, method for controlling the same, and storage medium

In order to provide a tilt control device capable of performing tilt control optimal at a high speed by controlling both a focus position and a tilt angle even when a scene changes such as in a case in which a subject changes, there is provided an imaging apparatus including a tilt control unit that performs tilt control by driving at least one of an imaging device and an imaging optical system, a focus lens driving unit that drives a focus lens, and a control unit that has a plurality of control modes for performing focus correction using at least one of the tilt control unit and the focus lens driving unit and selects one of the plurality of control modes in accordance with the number of subject areas displayed on an image screen.

Imaging apparatus, imaging control method, and storage medium

An image pickup apparatus includes an image sensor configured to capture an optical image formed by an image pickup optical system, and a controlling unit configured to, in tilt imaging that changes a tilt angle, set a focal plane to any position such that an angle between the focal plane and the optical axis is changed, by controlling at least one of a position of a focus lens in the image pickup optical system and the tilt angle. The controlling unit controls the at least one so as not to set the focal plane to a first position corresponding to a position of a first target object that is an imaging target, but to set the focal plane to a second position that is different from the first position and at which the position of the first target object is included in a depth of field.

Image pickup apparatus and controlling method thereof

A control apparatus includes a tilt driving unit configured to tilt at least one of an image sensor and an imaging optical system relative to a plane orthogonal to an optical axis, a focus driving unit configured to perform focus driving by moving a focus lens that constitutes at least part of the imaging optical system in an optical axis direction, and a controlling unit configured to control the focus driving unit and the tilt driving unit so as to adjust a focal plane to a predetermined surface. The controlling unit moves the focal plane in a vertical direction to the focal plane while maintaining the focal plane substantially parallel to the predetermined plane.

Control apparatus, control method, and storage medium for providing tilt control

There is provided with an information processing apparatus. An acquisition unit acquires a captured image. A human body detection unit detects a human body area from the image. A first exposure determination unit determines exposure based on luminance of the human body area detected by the human body detection unit. A face detection unit detects a face area from an image captured at the exposure determined by the first exposure determination unit. A second exposure determination unit determines exposure based on luminance of the face area detected by the face detection unit and to maintain the exposure until a predetermined condition is satisfied.

Information processing apparatus, imaging apparatus, method, and storage medium

A lens control apparatus includes a control unit that controls a position of a zoom lens and a position of a focus lens, a storage unit that stores cam tracks, an object distance acquisition unit that acquires an object distance, and a target position acquisition unit that acquires information of a first track corresponding to the object distance acquired by the object distance acquisition unit before movement of the zoom lens and a second track corresponding to an object distance longer than that of the first track, and the target position of the focus lens so as to move a focal position of an imaging optical system including the zoom lens and the focus lens based on the first track and the second track when zoom magnification of the imaging optical system including the zoom lens and the focus lens is increased by the movement of the zoom lens.

Lens control apparatus, imaging apparatus including lens control apparatus, and lens control method

An imaging apparatus includes a controller configured to change a tilt angle between an image sensor and a plane orthogonal to an optical axis of an optical system by adjusting a tilt of the image sensor or the optical system, an evaluation value acquirer configured to acquire contrast evaluation values of a plurality of areas in an image by changing the tilt angle through the controller, and a determiner configured to determine the tilt angle for each of the plurality of areas based on the contrast evaluation values of the plurality of areas acquired by the evaluation value acquirer, and to determine the tilt angle based on the tilt angle of each determined area. The controller adjusts the tilt of the image sensor or the optical system based on the tilt angle determined by the determiner.

Imaging apparatus

A control apparatus includes a controlling unit configured to control tilt driving for tilting at least one of an image sensor and an imaging optical system relative to a plane orthogonal to an optical axis and focus driving for moving a focus lens in an optical axis direction, an acquiring unit configured to acquire focus levels in a first area and a second area in an image captured by an image pickup apparatus, a first determining unit configured to determine whether to perform the tilt driving or the focus driving, based on an in-focus level, and a second determining unit configured to determine a driving direction of the tilt driving or the focus driving based on the in-focus level.

Control apparatus, control method, and storage medium

An image processing apparatus obtains a visible light image and an infrared light image, and generates a color component of a composite image using a color component of the visible light image, and generates a luminance component of the composite image using luminance components of the infrared light image and the visible light image. The image processing apparatus corrects the color component or the luminance component of the composite image, using a correction coefficient determined based on the color component of the visible light image.

Growing community of inventors

Wako, Japan

Shunsuke Chino