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:
Jul. 07, 2020
Filed:
Jun. 15, 2018
Beijing Jingdong Shangke Information Technology Co., Ltd., Beijing, CN;
Jd.com American Technologies Corporation, Mountain View, CA (US);
Yi Xu, Menlo Park, CA (US);
Beijing Jingdong Shangke Information Technology Co., Ltd., Beijing, CN;
JD.com American Technologies Corporation, Mountain View, CA (US);
Abstract
A system and method for constructing a multi-scale voxel representation of a three-dimensional (3D) sparse point map. The method includes: providing the 3D sparse point map; receiving coordinates of a 3D point from the 3D sparse point map; converting the coordinates of the 3D point to integer coordinates; and when the integer coordinates are not encompassed by any voxel entries of a hash table: creating a new unit voxel at scale level 0, scale level 0 being a minimum voxel size; calculating a hash value using the integer coordinates; inserting the new unit voxel into the hash table; and merging the new unit voxel with neighboring voxels along at least one axis of the integer coordinates, so as to obtain the multi-scale voxel representation of the 3D sparse point map.