The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 23, 2025
Filed:
Jan. 13, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Tomokazu Sato, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
Resulting from a reduction in the accuracy of a feature point obtained from a viewpoint inclined with respect to the front direction of an object, the estimation accuracy of three-dimensional coordinates of the feature point is reduced. Consequently, from each of a plurality of images captured from a plurality of viewpoints, the feature point of the object is detected and attribute information indicating which area of the object the detected feature point belongs to is appended to the detected feature point. Then, for each of the same attribute information, the three-dimensional coordinates of the feature point are calculated by using two-dimensional coordinates of the feature point on the image corresponding to the viewpoints not more than the plurality of viewpoints and not less than two.