Canon Kabushiki Kaisha

Shunichiro Ikeda

Yudai Itoi

Shinya Takeichi

Jun Fujisawa

An image stabilization apparatus comprises a setting unit that sets a correction axis to be used in image stabilization among correction axes of a first image stabilization unit based on a shooting state of an image capturing apparatus; and a calculation unit that obtains a driving amount of the first image stabilization unit for correcting a shake with respect to the set correction axis based on an amount of shake of the image capturing apparatus. The setting unit sets the correction axis so that a different correction axis is set in a case where the image capturing apparatus is in a moving image shooting state and in a case where the image capturing apparatus is in a still image shooting state.

Apparatus and method for setting a correction axis for image stabilization

An image pickup apparatus and a lens device which are capable of preventing an unnatural image from being photographed when both of an image pickup apparatus body and an interchangeable lens are each equipped with an image blur correction function. A system controller of a camera body sets an image blur correction mode of an image processor of the camera body. When a lens device including a lens driving section which optically performs image blur correction by driving a lens is attached to the camera body, the system controller changes the image blur correction mode of the image processor according to an image blur correction mode of the lens device.

Image pickup apparatus and lens device that have image blur correction function

A lens apparatus used by attaching to an image capturing apparatus comprising one or more processors and/or circuitry which functions as: a vibration detector that detects vibration; a receiver that receives first motion information and reliability information from the image capturing apparatus; an acquisition unit that acquires a correction amount based on second motion information converted from the first motion information using information of the lens apparatus, the vibration detected by the vibration detector, and the reliability information; and an image stabilization unit that performs image stabilization control based on the correction amount.

Lens apparatus, image capturing apparatus, control method of lens apparatus, and control method of image capturing apparatus

An image pickup system includes a camera body and a lens unit that is attachable to the camera body. The lens unit detects shaking by a shake detection unit. Drive control of an image shake correction unit is performed in accordance with an image shake correction amount calculated based on the shaking. The camera body sets timing of obtaining the shaking detected by the shake detection unit, based on information transmitted to the lens unit. In a first communication, a camera communication control unit transmits information on a base point to a lens communication control unit, and in a second communication, the camera communication control unit transmits information on a relative time from the base point that was transmitted in the first communication to a lens communication control unit.

Image pickup apparatus, lens unit, image pickup system, and control method for image pickup system

The present invention provides as an aspect thereof an accessory apparatus detachably attachable to an image-capturing apparatus. The accessory apparatus includes an accessory communicator configured to enable communication with the image-capturing apparatus, and an accessory controller configured to perform the communication with the image-capturing apparatus through the accessory communicator. The accessory controller is configured, in response to detecting an error in the communication, to transmit an error notice that notifies the image-capturing apparatus of the error, and to perform a communication restoration process for restoring the communication, without waiting for a response to the error notice from the image-capturing apparatus.

Image-capturing apparatus, accessory apparatus and communication control method therefor

An image pickup system includes a camera body and a lens device that is attached to the camera body. In the lens device, a shake detecting unit detects a shake, and a splitting unit splits a degree of image blurring correction which is calculated on the basis of the shake into a degree of optical image blurring correction and a degree of electronic image blurring correction. In the first image blurring correction, driving of an image blurring correcting unit is controlled using the degree of optical image blurring correction. In the second image blurring correction, an electronic image blurring correction control unit of the camera body performs image blurring correction through image processing using the degree of electronic image blurring correction. The camera body transmits timing information on an exposure period and information on a correction range of the electronic image blurring correction to the lens device. The lens device transmits the degree of electronic image blurring correction calculated by the splitting unit to the camera body.

Image pickup system, control method thereof, image pickup apparatus, and lens device

A motion vector detection device includes at least one processor and at least one memory that function as a detection unit configured to detect a motion vector between a plurality of images, and a control unit configured to perform setting with respect to a detection of the motion vector. The detection unit detects the motion vector by searching for an area, which has a correlation with a template block that is set in one of the plurality of images, within a search range that is set for another one of the plurality of images. The control unit changes a size and a number of the template block, based on a use of the motion vector that is detected by the detection unit.

Motion vector detection device, method of controlling a motion vector detection device, and image capturing apparatus that change a size and a number of a template block based on a use of a detected motion vector

The image-capturing apparatus includes a camera controller performing communication with a lens apparatus, and a camera image stabilizer performing, using image stabilization information, an image stabilization operation. The camera controller sets, before receiving from the lens apparatus first image stabilization information produced by the lens apparatus depending on a shake of the lens apparatus, second image stabilization information usable for the image stabilization operation, causes the camera image stabilizer, when receiving the first image stabilization information, to perform the image stabilization operation using the first image stabilization information, and causes the camera image stabilizer, when not receiving the first image stabilization information, to perform the image stabilization operation using the second image stabilization information.

Image-capturing apparatus, lens apparatus and image-capturing system

A control apparatus includes a motion vector detector () that detects a motion vector, a calculator () that calculates angular velocity information of an object based on the motion vector and an angular velocity detected by an angular velocity detector, and a controller () that controls a shake corrector based on the angular velocity information of the object, and the controller changes control of the shake corrector depending on information relating to correction of an output signal from the angular velocity detector.

Control apparatus, image capturing apparatus, lens apparatus, control method, and non-transitory computer-readable storage medium

Provided is an image pickup apparatus, including: a first correction amount calculating unit configured to calculate a first image blur correction amount based on a shake signal representing shake of the image pickup apparatus a second correction amount calculating unit configured to calculate a second image blur correction amount for driving an optical image blur correction unit based on the first image blur correction amount; and a third correction amount calculating unit configured to calculate a third image blur correction amount for driving an electronic image blur correction unit based on the first image blur correction amount and a value representing the position of at least one of a part of the optical system and the image pickup element, the value being detected by a position detector.

Image pickup apparatus, method of controlling image pickup apparatus, image processing apparatus, and image processing method

An imaging apparatus includes an imaging unit configured to image an image within a first range on an imaging surface, a first correction unit configured to optically compensate for image shake on the image surface resulting from shake of a device, a second correction unit configured to electronically correct image shake on the image surface resulting from shake of the imaging apparatus, and output an image from a second range that is narrower than the first range, and a control unit configured to determine the moveable range of the first correction unit. The control unit performs control to increase the moveable range of the first correction unit when the second correction unit is used in comparison to when the second correction unit is not used.

Imaging apparatus, optical apparatus, imaging system, and control method

A digital camera according to this invention includes an image data memory unit which stores sensed image data, an output information memory unit which stores output information describing an image output method, an image data selector which selects designated image data as an output target from image data stored in the image data memory unit, and an output unit which outputs the image data selected by the image data selector in accordance with the output information stored in the output information memory unit.

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Yokohama, Japan

Shunichiro Ikeda