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:
May. 05, 2020
Filed:
Feb. 08, 2018
Haiwei Dong, Ottawa, CA;
Yuan Ren, Vaughan, CA;
Keyvan Golestan Irani, Newmarket, CA;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A group optimization method for constructing a 3D feature map is disclosed. In one embodiment, the method comprises determining correspondence information for a plurality of environmental features for each image in a group of images in which a respective environmental feature is present and relative position and alignment of each camera. Depth information is determined for each environmental feature in the plurality of environmental features for each image in the group of images in which a respective environmental feature is present based on the correspondence information of the environmental features. Group optimized depth information is determined for each environmental feature in the plurality of environmental features using the determined depth information of each respective environmental feature.
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