公开(公告)号：US20210383137A1

公开(公告)日：2021-12-09

申请号：US17405397

申请日：2021-08-18

Applicant: TUSIMPLE, INC.

Inventor： Minhao JIANG ,  Hsin LU ,  Genmao SHI ,  Ziqi LIU

IPC: G06K9/00 ,  G01C21/32 ,  G06F16/29 ,  G06T7/73 ,  G06T7/11 ,  G01S19/48 ,  G08G1/16

Abstract: A method of retrieving a map is disclosed. The method includes receiving a grid data of the map comprising lane segments, wherein the grid data includes an array of grids each associated with a list including none or at least one of the lane segments intersecting the respective grid; receiving coordinates of a location; identifying a first grid including the location based on the grid data; identifying a target grid that has an associated list including at least one of the lane segments as first lane segment; and outputting the first lane segment.

公开(公告)号：US20230410536A1

公开(公告)日：2023-12-21

申请号：US18360556

申请日：2023-07-27

Applicant: TUSIMPLE, INC.

Inventor： Minhao JIANG ,  Hsin LU ,  Genmao SHI ,  Ziqi LIU

IPC: G06V20/56 ,  G01C21/32 ,  G06F16/29 ,  G06T7/73 ,  G06T7/11 ,  G01S19/48 ,  G08G1/16

CPC classification number: G06V20/588 ,  G01C21/32 ,  G06F16/29 ,  G06T2207/30256 ,  G06T7/11 ,  G01S19/48 ,  G08G1/167 ,  G06T7/75

Abstract: A method of retrieving a map includes receiving a grid data of the map comprising lane segments, wherein the grid data includes an array of grids each associated with a list including none or at least one of the lane segments intersecting the respective grid; receiving coordinates of a location; identifying a first grid including the location based on the grid data; identifying a target grid that has an associated list including at least one of the lane segments as first lane segment; and outputting the first lane segment.