公开(公告)号：US20230089845A1

公开(公告)日：2023-03-23

申请号：US18070862

申请日：2022-11-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Wensen Feng ,  Huan Zhang ,  Jun Cao ,  Jiange Ge ,  Zhongwei Tang ,  Jiangwei Li

IPC: G06T7/73 ,  G01C21/00 ,  G06T7/12 ,  G06T11/00

Abstract: A visual localization method includes obtaining an image captured by a terminal device; obtaining two-dimensional line feature information of the image that includes at least one of information about a boundary between a building and a non-building or information about a boundary between a non-building and a non-building; and determining a localization pose of the terminal device based on location information of the terminal device, magnetometer angle deflection information of the terminal device, a satellite map, and the two-dimensional line feature information.

公开(公告)号：US12197498B2

公开(公告)日：2025-01-14

申请号：US17662260

申请日：2022-05-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jinxue Liu ,  Jun Cao ,  Ruihua Li ,  Jiange Ge ,  Yuanlin Chen

IPC: G06T7/73 ,  G06F16/532 ,  G06F16/587 ,  G06T7/00 ,  G06V10/24 ,  G06V10/74 ,  G06V20/62

Abstract: A method, an apparatus, and a medium for determining a pose are provided. The method includes: receiving a query image sent by a terminal and N text fields included in the query image; determining a candidate reference image based on a prestored correspondence between a reference image and a text field and based on the N text fields; determining an initial pose of the terminal at the first location based on the query image and the candidate reference image; and sending the initial pose to the terminal. According to the method, a candidate reference image is queried based on a text field, and an initial pose of a terminal is obtained based on a candidate reference image with higher accuracy. Therefore, the obtained pose is more accurate.