Canon Kabushiki Kaisha

Makoto Oigawa

Kazuya Nobayashi

Shin Tanaka

Shigeo Kodama

Tomoyuki Kawamoto

Tomohiro Yamada

Furusawa Kentaro

An information processing apparatus acquires a first parallax image and a second parallax image, which are parallax images that are a group of images having parallax with each other and captured by an imaging unit with different exposure conditions, acquires reliability, which is an accuracy of a parallax amount of the parallax images, for the first parallax image and the second parallax image, and selects the parallax images for generating information about a distance from a plurality of the parallax images including the first parallax image and the second parallax image, based on the reliability.

Information processing apparatus, movable body control system, and information processing method

An electronic instrument includes a first distance information acquisition unit acquiring first distance information corresponding to an object included in an image signal, at least one of a second distance information acquisition unit acquiring second distance information on the basis of at least one of information of an end position of the object included in the image signal and a third distance information acquisition unit configured to acquire third distance information based on information of a size of the object included in the image signal, and a distance information integration unit generating integrated distance information by combining and integrating at least two of the first distance information, the second distance information, and the third distance information.

Electronic instrument, movable apparatus, distance calculation method, and storage medium

An information processing apparatus includes one or more memories storing instructions, and one or more processors executing the instructions to acquire a captured image and a distance image, detect an object from the captured image, acquire first distance information indicating a distance to the detected object, acquire a grounding position of the detected object based on the captured image and acquire second distance information indicating a distance to the detected object based on the first distance information and the acquired grounding position.

Electronic device and control method to acquire distance information for detected object

In order to realize a device that can reduce the influence of errors, the device includes a first acquisition unit configured to acquire first information including an error via an image formation optical system, a second acquisition unit configured to acquire second information of which the error is less than that of the first information, a correction information generation unit configured to calculate a correction value for correcting the error of the first information on the basis of the second information, and a correction unit configured to correct the first information by using the correction value.

Distance measurement device, moving device, distance measurement method, control method for moving device, and storage medium

An electronic device includes at least one processor or circuit configured to function as a setting unit, an acquisition unit and a processing unit. The setting unit sets an object region in an image acquired from an imaging unit. The acquisition unit acquires a distance map including distance information corresponding to a pixel included in the object region. The processing unit determines object distance information indicating a distance to an object included in the object region, based on the distance information corresponding to the pixel included in the object region.

Information processing device to determine object distance

A display control device acquires sight line information about a direction of a visual field of a driver of a moving body, viewpoint information about a start point of the visual field of the driver, and map information around the moving body. The display control device acquires a blind spot region of the driver on the basis of the acquired sight line information, viewpoint information, and surroundings information. In addition, the display control device performs control of generating display information on the basis of the surroundings information about the blind spot region and displaying the display information on a display device.

Display control device, display control method, moving body, and storage medium

An apparatus comprises: an acquisition unit that captures an image of a measurement target and acquires an original image pair having a parallax; a reduction unit that reduces a size of the original image pair; and a calculator that calculates, from an image pair obtained by the reduction unit, a parallax map using predetermined search ranges and search windows in the respective regions. In order to obtain a parallax map that has a predetermined number of pieces of data, the calculator calculates parallax maps in a plurality of hierarchies in which a hierarchy where a parallax map is calculated using an image pair with a lowest magnification is set as a lowest hierarchy, and the predetermined search ranges for calculating the parallax maps in the respective hierarchies are determined based on a parallax map in an immediately lower hierarchy.

Parallax calculation apparatus, parallax calculation method, and control program of parallax calculation apparatus

A distance measuring apparatus includes: an image pickup element in which a plurality of pixels receives light of an image are two-dimensionally arrayed; and an acquiring unit acquires information relating to a distance to an object based on an output signal of the image pickup element which each pixel line is constituted by pixels which receive beams passing through a same pupil region of the imaging optical system, and wherein the acquiring unit (1) acquires a first image displacement amount from output signals of at least two pixel lines which receive beams passing through a same pupil region, (2) acquires a second image displacement amount from output signals of at least two pixel lines which receive beams passing through different pupil regions, and (3) acquires the information relating to the distance to the object based on the first image displacement amount and the second image displacement amount.

Distance measuring apparatus and distance measuring method

A distance measuring apparatus includes: an acquisition unit that acquires a first image at a first viewpoint where an object is irradiated with a first light including a pattern, a second image at a second viewpoint different from the first viewpoint where the object is irradiated with the first light, a third image at the first viewpoint where the object is irradiated with a second light not including a pattern, and a fourth image at the second viewpoint where the object is irradiated with the second light; and a control unit that acquires information corresponding to a distance, by employing a fifth image obtained based on a ratio the first image and the third image and a sixth image obtained based on a ratio of the second image and the fourth image.

Distance measuring apparatus, distance measuring method, and image pickup apparatus

A depth measurement apparatus is adapted for acquiring a first and second image signals, calculating a correlation value for plural shift amounts, acquiring plural provisional shift amounts, reconstructing the first image signal using a filter corresponding to the provisional shift amounts, analyzing a contrast change by reconstruction, and determining depth on the basis of contrast analysis. The provisional shift amount is acquired by determining a first shift amount at which an extreme value of the correlation value is given, and a first range, which is a range of a predetermined shift amount including the first shift amount, into a plurality of second ranges, and acquiring provisional shift amounts for each of the second ranges.

Depth measurement apparatus and controlling method thereof

An optical element includes a substrate including a first surface and metal structure group including a plurality of metal structures, the metal structures being arranged on the first surface in a two-dimensionally isolated manner. Light is incident on the metal structure group in an oblique manner with respect to the normal of the first surface from the metal-structure-group side or the substrate side, so that a polarization state of light that passes through the metal structure group and a polarization state of light that is reflected by the metal structure group differ from each other in accordance with a wavelength range.

Optical element

A wavelength-tunable light source apparatus includes a first light source apparatus and a second light source apparatus. The first light source apparatus is capable of changing an oscillation wavelength and includes a resonator. The resonator includes an optical amplification medium for amplifying light and a waveguide having wavelength distribution. The second light source apparatus is connected to the waveguide and configured to introduce pulsed light as modulation light to the first light source apparatus. The oscillation wavelength is controlled by active mode locking employing cross-gain modulation using the modulation light. The pulse width of the modulation light has a duration shorter than a duration of a half period of a driving signal for generating the modulation light.

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Kawasaki, Japan

Makoto Oigawa