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公开(公告)号：US20230273031A1
公开(公告)日：2023-08-31
申请号：US17924510
申请日：2021-06-21
Inventor： Xiaolong CAI , Chao WANG , Xiujun YAO , Chenguang GUI , Yucheng CAI , Fuqiang MA , Zhen LI , Xinran GUO , Lihua CUI
CPC classification number: G01C21/3446 , G05D1/0214 , G05D1/0217
Abstract: Disclosed are a path planning method and a device, a robot and a storage medium. The method includes: grading a traversable region between a starting point and an end point in a grid map, and determining cost values corresponding to regions of each level; traversing the traversable region from the starting point based on the cost values of the regions of each level, and determining a plurality of target nodes conforming to a minimum value of a preset function; and determining a target path of a robot based on the plurality of target nodes.
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2.发明申请公开(公告)号：US20220414929A1
公开(公告)日：2022-12-29
申请号：US17757150
申请日：2020-11-30
Inventor： Xiaolong CAI , Chao WANG , Xinran GUO
Abstract: A method for processing positioning data of a mobile device is provided, comprising: acquiring a first original point set and a target point set by measuring an object surface with the mobile device; extracting feature points from the first original point set to obtain an original key point set; extracting feature points from the target point set to obtain a target key point set; performing a first registration operation on the original key point set and the target key point set to obtain a first model transformation parameter; transforming the first original point set by the first model transformation parameter to obtain a second original point set; performing a second registration operation on the second original point set and the target point set to obtain a second model transformation parameter; and acquiring third model transformation parameter based on the first model transformation parameter and the second model transformation parameter.
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