Canon Kabushiki Kaisha

Yusuke Nakazato

Kazuhiko Kobayashi

Masahiro Suzuki

Shinji Uchiyama

Akihiro Katayama

Daisuke Kotake

Masakazu Fujiki

Hisayoshi Furihata

Yuichiro Hirota

Chihiro Mitsubori

An information processing apparatus obtains constraint information representing constraints in placing a plurality of image capturing apparatuses that capture images for generating a virtual viewpoint image, obtains placement information based on the obtained constraint information and relating to placement of the plurality of image capturing apparatuses, and outputs the obtained placement information of the plurality of image capturing apparatuses.

Information processing apparatus, information processing method, and non-transitory computer-readable storage medium

A generation apparatus is configured to generate a virtual viewpoint image based on a plurality of images captured by a plurality of cameras for imaging a field from a plurality of different directions, the generation apparatus including an acquisition unit configured to acquire, based on a three-dimensional model of at least a portion of the field, correspondence information indicating correspondence between a coordinate of an image captured by at least one of the plurality of cameras and a coordinate related to a simple three-dimensional model less accurate than the three-dimensional model, and a generation unit configured to generate a virtual viewpoint image according to designation about a position and an orientation of a virtual viewpoint, by using an image captured by one or more of the plurality of cameras and the correspondence information acquired by the acquisition unit.

Generation apparatus and method for generating a virtual viewpoint image

An apparatus comprises a holding unit configured to hold data related to a worker; an obtaining unit configured to obtain measurement data for recognizing the worker; a recognizing unit configured to recognize the worker based on the data related to the worker and the measurement data; a determination unit configured to determine work information about a work which the worker and a robot perform on a target object together, corresponding to the recognized worker, based on a physical feature of the recognized worker; and a controlling unit configured to control the robot based on the work information so that the worker and the robot perform a work on the target object together.

Apparatus, method for controlling apparatus, and storage medium

A position and an orientation of an object are measured with high accuracy. An approximate position-orientation of a target object is obtained, positional information of the target object is obtained by measuring the target object using a noncontact sensor, positional information of contact positions touched by a contact sensor is obtained by bringing the contact sensor into contact with the target object, and a position-orientation of the target object is obtained by associating shape information of the target object with the positional information of the target object and the positional information of the contact positions in accordance with the approximate position-orientation.

Information processing apparatus, information processing method, and program

An information processing apparatus: obtains a feature distribution by calculating a distribution of features, existing in an environment, that can be used to measure a position and orientation of a measurement viewpoint; decides on a feature pattern to be laid out and a layout position of the feature pattern in the environment that enable the obtainment of a feature distribution that enhances an accuracy at which the position and orientation of the measurement viewpoint is calculated; and presents the feature pattern and the layout position of the feature pattern that have been decided on.

Selecting feature patterns and corresponding layout positions for viewpoint measurement

To decrease the time and work needed for the measurement of a target object, an information processing apparatus includes an acquisition unit configured to acquire measurement data on a target object from a measuring apparatus, an extraction unit configured to extract a partial region of the target object that contains a geometric feature for use in estimation of a position-and-orientation of the target object, based on one or more pieces of measurement data acquired by the acquisition unit, a determination unit configured to determine a position-and-orientation of the measuring apparatus configured to measure the partial region extracted by the extraction unit, and an output unit configured to output the position-and-orientation determined by the determination unit.

Information processing apparatus, information processing method, and storage medium

A region projected with pattern light in an image sensed by an image sensing unit which senses an image of a target object projected with pattern light is specified. Geometric features of the target object are searched for from a region other than the region projected with the pattern light in the sensed image based on the specified region. A position and orientation of the target object are derived based on the searched geometric features of the target object and geometric features of a model of the target object.

Range measurement apparatus and range measurement method

To reduce the possibility that a robot will collide with an obstacle during an interference check work and improve the efficiency of the check work at a portion where the interference may occur, an information processing apparatus includes a control unit that controls an operation of a first robot, an acquisition unit that acquires position and orientation of a display apparatus which is attached with a body of an observer, a generation unit that identifies a visual field of the observer including the first robot based on the position and orientation of the display apparatus and an internal parameter of the display apparatus and generate an operation image of a second robot to be displayed in the identified visual field, as an object that may interfere with the first robot, based on operation data of the second robot, and an output unit that outputs the operation image to the display apparatus.

A two-dimensional image obtained by capturing a scene including an object is obtained. Parameters indicating capturing position and capturing orientation of the two-dimensional image are obtained. A three-dimensional shape model representing a three-dimensional shape of the object is obtained. Two-dimensional geometrical features of the object are extracted from the two-dimensional image. Three-dimensional information with respect to a surface of the object close to each of the two-dimensional geometrical features is calculated from the three-dimensional shape model. Three-dimensional geometrical features in the three-dimensional shape model, corresponding to the two-dimensional geometrical features are calculated based on the two-dimensional geometrical features, the parameters, and the calculated three-dimensional information.

Information processing apparatus and method thereof

A three-dimensional measurement apparatus selects points corresponding to geometric features of a three-dimensional shape model of a target object, projects a plurality of selected points corresponding to the geometric features onto a range image based on approximate values indicating the position and orientation of the target object and imaging parameters at the time of imaging of the range image, searches regions of predetermined ranges respectively from the plurality of projected points for geometric features on the range image which correspond to the geometric features of the three-dimensional shape model, and associates these geometric features with each other. The apparatus then calculates the position and orientation of the target object using differences of distances on a three-dimensional space between the geometric features of the three-dimensional shape model and those on the range image, which are associated with each other.

Three-dimensional measurement apparatus, processing method, and non-transitory computer-readable storage medium

An image representing reflected light of structured light is acquired, distance information is calculated, from the image, and a measurement line map storing the distance information is generated. The structured light forms a plurality of measurement lines at discrete positions, and the measurement line map is formed as a two-dimensional array in which one dimension includes elements in a number corresponding to a number of the measurement lines, and another dimension includes elements in a number corresponding to a number of pixels of the image in a lengthwise direction of the measurement lines.

Information processing apparatus and information processing method

An apparatus comprises: extraction means for extracting an occluded region in which illumination irradiated onto the target object is occluded in an obtained two-dimensional image; projection means for projecting a line segment that constitutes a three-dimensional model onto the two-dimensional image based on approximate values of position/orientation of the target object; association means for associating a point that constitutes the projected line segment with a point that constitutes an edge in the two-dimensional image; determination means for determining whether the associated point that constitutes an edge in the two-dimensional image is present within the occluded region; and measurement means for measuring the position/orientation of the target object based on a distance on the two-dimensional image between the point that constitutes the projected line segment and the point that constitutes the edge, the points being associated as the pair, and a determination result.

Position and orientation measurement apparatus, position and orientation measurement method, and storage medium

An information processing apparatus includes an acquisition unit configured to acquire a plurality of positions on a surface of a measurement target object using information of light reflected from the measurement target object on which structured light is projected, a position of a light source of the structured light, and a position of a light reception unit configured to receive the reflected light and acquire the information of the reflected light, a calculation unit configured to acquire at least one of a position and a direction on the surface of the measurement target object based on the plurality of the positions, and a correction unit configured to correct at least one of the plurality of the positions based on information about an error in measurement for acquiring the plurality of the positions and at least one of the position and the direction on the surface of the measurement target object.

An information processing apparatus acquires a plurality of geometric features and normals at the respective geometric features from a target object arranged at the first position. The information processing apparatus also acquires a plurality of normals corresponding to the respective geometric features of the target object from a shape model for the target object that is arranged at the second position different from the first position. The information processing apparatus calculates direction differences between the acquired normals for respective pairs of corresponding geometric features of the target object and shape model. The information processing apparatus determines whether or not occlusion occurs at each geometric feature by comparing the calculated direction differences with each other.

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Tokyo, Japan

Yusuke Nakazato