Canon Kabushiki Kaisha

Shingo Isobe

Takayuki Kikuchi

Keisuke Hirai

There is provided with an image processing apparatus. A first generating unit generates an attention map indicating a region having a specific spatial frequency from a first image that is captured by an image capturing apparatus. An outputting unit outputs, based on the first image and the attention map, a second image in which noise has been reduced from the first image by using a trained machine learning model. A second generating unit generates, based on the second image and the attention map, information for adjusting focus of the image capturing apparatus.

Image processing apparatus, image capturing apparatus, information processing method, and storage medium

An apparatus capable of reading a signal in a partial region from an image sensor is configured to input a setting value for a region of interest; control accumulation and readout processing for the image sensor based on the setting value; detect a contrast of the region of interest based on an image capturing signal; and emphasize the contrast of the region of interest based on a result of the detected contrast with respect to the image capturing signal.

Image capturing apparatus, control method therefor, and recording medium

An imaging control apparatus includes: a control unit configured to receive a first user operation and configured to: when the first user operation is not received, execute control to output an image signal which is to be displayed on a display unit, the image signal being one of: a first image corresponding to a first range of a live VR image; and a second image corresponding to a second range of the live VR image, and when the first user operation is received: execute control to output an image signal which is to change the image displayed on the display unit from one of the first image and the second image to the other of the first image and the second image, or to both the first image and the second image; and issue a preparation instruction to execute imaging preparation processing.

Imaging control apparatus and control method therefor

Provided is an image pickup apparatus capable of reading out and outputting pixel data of a partial area of a rolling shutter type image sensor. The image pickup apparatus includes: a readout condition setter configured to set a readout condition from the image sensor; a charge time setter configured to set charge time of the image sensor; a controller configured to control charging of the image sensor and readout from the image sensor so as to achieve constant charge time irrespective of the readout condition; and an image signal output unit configured to output a pixel signal read out by the controller.

Image pickup apparatus having partial readout function or skip readout function and photographing apparatus including the same

An image pickup apparatus configured to output an image signal based on an optical signal photoelectrically converted by an image pickup element provided with two-dimensionally arranged pixels includes: a clipper configured to limit output voltage of the image signal based on the optical signal; a gain upper limit setter configured to set a gain upper limit to be applied to the optical signal; a determiner configured to determine whether or not a condition to cause occurrence of a smear in a shot image is satisfied; and a controller configured to limit an output voltage of the optical signal by using the clipper when the determiner determines that the condition to cause occurrence of the smear is satisfied, and to inactivate limitation of the output voltage of the optical signal by using the clipper when the determiner determines that the condition to cause occurrence of the smear is not satisfied.

Image pickup apparatus having a clip limiting feature to avoid image smear

Provided is an image pickup apparatus capable of reading out and outputting pixel data of a partial area of a rolling shutter type image sensor. The image pickup apparatus includes: a readout condition setter setting a readout condition for pixel data readout control from the image sensor; a charge time setter setting charge time of the image sensor; a skip setter setting, based on the readout condition, areas in which processing concerning one of readout and charge in an image pickup area of the image sensor is skipped; a controller controlling a charge of the image sensor and readout from the image sensor so as to achieve constant charge time of the image sensor within one frame based on the charge time and the areas set by the skip setter; and an image signal output unit outputting a pixel signal read out by the controller.

Image pickup apparatus and photographing apparatus including the same

An image pickup apparatus outputs a picked-up image signal based on a difference between an electric charge signal and a noise signal generated by a photoelectric converter. The apparatus has a generating unit that generates a difference image that is based on a difference between a first image picked up under a first image pickup condition and a second image picked up under a second image pickup condition in which an exposure amount of the photoelectric converter is smaller than the exposure amount of the photo electric converter in the first image pickup condition, a detector that detects a black spot area on the basis of the difference image generated by the generating unit, and a voltage controller that controls a clip voltage that is set to limit a voltage of the noise signal, on the basis of the detected black spot area.

Image pickup apparatus and image pickup system

An automatic focusing apparatus includes: a first focus detector that detects a first focus evaluation value based on a phase difference; a second focus detector that detects a second focus evaluation value using a signal from an image pickup element; a focusing mechanism; a focus controller that controls the focusing mechanism based on the first focus evaluation value obtained by the first focus detector and the second focus evaluation value obtained by the second focus detector; and a speed setting unit that sets, in a process obtaining an in-focus state by using the focus controller, a driving speed for the focus controller to drive the focusing mechanism based on a first data detected by the first focus detector and the second focus evaluation value.

Automatic focusing apparatus as well as lens apparatus and image pickup system including the automatic focusing apparatus

A three-dimensional image pickup lens system, including two lens apparatuses, each of the two lens apparatuses including: an optical element drivers in a direction containing a component perpendicular to an optical axis; a driving unit driving the optical element; a detector detecting vibration of a corresponding one of the lens apparatuses; a first generator generating a first signal driving the optical element to correct image blur due to the vibration; a second generator generating a second signal driving the optical element to a position corresponding to a set angle of convergence; a retainer retaining an effective maximum correction amount as a correctable maximum image stabilization amount determined based on the second signals generated in the lens apparatuses and is common to the lens apparatuses; and a controller driving the optical element by the driving unit based on the first signal, the second signal, and the effective maximum correction amount.

Three-dimensional image pickup lens system and image pickup system including the same

Provided is an image pickup apparatus including a lens apparatus and a focus operating apparatus. The lens apparatus includes a focus lens unit, a focus driving unit for driving the focus lens unit, and a drive control unit controlling to drive the focus driving unit and having a autofocus function. The focus operating apparatus includes a manual focus (MF) operating unit for manual focus adjustment and an MF command unit for outputting a command value based on an operation amount of the MF operating unit. When the MF operating unit is in operation, the drive control unit controls the focus driving unit based on the command value from the MF command unit. When the MF operating unit is not in operation, the drive control unit controls the focus driving unit to perform autofocus adjustment.

Image pickup apparatus including focus operating apparatus and focus control method

An automatic focusing apparatus includes a position detecting unit for a focus unit, a driving unit for the focus unit, a focus detecting unit using a phase difference method, a contrast acquiring unit for picking up an image of object, and a focusing determining unit based on a contrast, a cyclic pattern determining unit for an object based on focus information obtained by the focusing detecting unit, a target position setting unit for driving of the focus unit, and a focusing direction determining unit, and, when the object has a cyclic pattern, the apparatus determines a direction of an in-focus point, sets a target position in the determined direction of the in-focus point, drives the focus unit toward the target position, and determines whether or not in-focus state is achieved by using the focusing determining unit.

Automatic focusing apparatus with cyclic pattern determination

An image pickup apparatus comprising: a lens apparatus having: an image pickup optical system including a focus lens unit and a zoom lens unit; a zoom state detector; and a controller; a camera apparatus having: a light receiving unit; and an image display unit; an AF frame operation unit; and a distance measuring unit installed with a parallax with respect to an optical axis of the image pickup optical system, in which the controller is configured to: select, from among measured distances obtained by the distance measuring unit, a measured distance obtained in an angle of field of the AF frame, based on a position of the zoom lens unit detected by the zoom state detector and a position of the AF frame set in the display; and perform the focusing by driving the focus lens unit based on the selected measured distance.

Image pickup apparatus

A focus detection apparatus includes: a photoelectric conversion unit of a charge accumulation type, including a plurality of sensors; an accumulation controller for controlling charge accumulation of the photoelectric conversion unit; an accumulation time measuring unit for measuring accumulation time; a correction computing unit for performing correction computing of a photoelectric conversion signal; and a focus detection computing unit for performing focus detection computing. The accumulation controller detects a signal of accumulation completion in a first sensor of the plurality of sensors, and then forces sensors except the first sensor to terminate the charge accumulation. The correction computing unit performs the correction computing of the photoelectric conversion signal based on first accumulation time that is accumulation time of the first sensor and second accumulation time that is different from the first accumulation time.

Focus detection apparatus

An image taking system comprises a distance calculatorwhich calculates an object distance in each of a plurality of ranging areasto, a velocity calculatorwhich calculates an object velocity in each of the ranging areas, an information generatorwhich generates object information indicating at least one of the object distance, a difference between the object distances, the object velocity, and a difference between the object velocities, an extractorwhich extracts a ranging area where the object velocity calculated by the velocity calculator is in a first range SA out of the plurality of ranging areas, and an output image generatorwhich generates an output image including a shot image generated by the camera and the object information corresponding to the ranging area extracted by the extractor.

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Utsunomiya, Japan

Shingo Isobe