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AssigneeCanon Kabushiki Kaisha
InventorsKatsumi Iijima, Shigeki Okauchi, Masakazu Matsugu, Masayoshi Sekine, Kotaro Yano, Sunao Kurahashi, Tatsushi Katayama, Katsuhiko Mori, Motohiro Ishikawa
Estimating the term…
Term ended 30 Jun 2017 (estimated)
A three-dimensional information processing apparatus for obtaining three-dimensional information from an object having a three-dimensional shape, and performing predetermined information processing, comprises: a camera for sensing images of the object from a plurality of coordinate positions using an image sensing system having one or a plurality of optical systems. A plurality of depth information are extracted from image sensing related information sensed by the camera at the plurality of coordinate positions, and the plurality of extracted depth information are converted and unified into depth information expressed by a unified coordinate system.
A three-dimensional information processing apparatus for obtaining three-dimensional information from an object having a three-dimensional shape, and performing predetermined information processing, comprising:
A three-dimensional information processing method for obtaining three-dimensional information from an object having a three-dimensional shape, and performing pre-determined information processing, comprising:
A three-dimensional information processing apparatus for obtaining three-dimensional information from an object having a three-dimensional shape, and performing predetermined information processing, comprising:
A three-dimensional information processing apparatus for obtaining three-dimensional information from an object having a three-dimensional information from an object having a three-dimensional shape, and performing predetermined information processing comprising:
A three-dimensional information processing apparatus for obtaining three-dimensional information from an object having a three-dimensional shape, and performing predetermined information processing, comprising:
Dependencies are inferred from the claim text.
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Depth or shape recovery: from multiple images
Processing image signals: adjusting depth or disparity
Using stereoscopic image cameras: using a single two-dimensional [2D] image sensor
Using a single two-dimensional [2D] image sensor: using the relative movement between cameras and objects
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The present invention relates to a three-dimensional information processing apparatus and method for extracting three-dimensional information, that can be used in CG, CAD, and the like, from an object having a three-dimensional shape.
As a conventional technique for obtaining the three-dimensional shape of an object, for example, “Stereoscopic matching using a plurality of base line distances” (Journal of Papers of the Institute of Electronics, Information and Communication Engineers D-II, Vol. J75-D-II, No. 8, pp. 1317-1327, August 1992) is known. Generally, the conventional method of acquiring a three-dimensional shape can be roughly classified into passive and active methods.
One typical passive method is a stereoscopic image method, which utilizes trigonometric measurements using two cameras. In this method, the positions of images of an identical object are detected from right and left images taken by cameras, and the three-dimensional position of the object is measured based on the displacement amount between the detected positions.
Other features and advantages of the present invention will be apparent from the following description taken in conjunction with the accompanying drawings, in which like reference characters designate the same or similar parts throughout the figures thereof.
FIG. 1 is a schematic block diagram showing the arrangement of a conventional three-dimensional information processing apparatus;
FIG. 2 is a schematic block diagram showing the arrangement of a three-dimensional information processing apparatus according to the first embodiment of the present invention;
The preferred embodiments of the present invention will be described in detail hereinafter with reference to the accompanying drawings.
The first embodiment of the present invention will be described below.
FIG. 2 is a schematic block diagram showing the arrangement of a three-dimensional information processing apparatus according to the first embodiment of the present invention.