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:
Oct. 22, 2019
Filed:
Sep. 29, 2015
Applicant:
International Business Machines Corporation, Armonk, NY (US);
Inventors:
Guoqiang Hu, Shanghai, CN;
Jiandong Ding, Shanghai, CN;
Peng Ji, Shanghai, CN;
Ning Duan, Beijing, CN;
Jun Zhu, Shanghai, CN;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G 7/48 (2006.01); G06F 17/50 (2006.01); G01C 21/32 (2006.01);
U.S. Cl.
CPC ...
G06F 17/509 (2013.01); G01C 21/32 (2013.01);
Abstract
A method and an apparatus for generating a road network are disclosed. The method for generating a road network comprises: aggregating a plurality of grid cells partitioned in advance on a trajectory map based on trajectories in each grid cell of the plurality of grid cells to form level-1 regions; and generating a link of the road network by merging a level-1 region having two valid neighbors with its neighbor level-1 regions having two valid neighbors.