Title:
DISTANCE MEASUREMENT METHOD AND DISTANCE MEASUREMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2024/036515
Kind Code:
A1
Abstract:
A distance measurement method, comprising: firstly, acquiring an image to be subjected to detection (101), wherein said image (P1) comprises at least one object to be subjected to detection (TO1, TO2, TO3); secondly, acquiring a reference region (RL) and the region of said object (TO1, TO2, TO3) on the basis of said image (P1) (102); thirdly, acquiring a reference line (T1) on the basis of the reference region (RL) (103), wherein the reference line (T1) is used for positioning the reference region (RL); then, acquiring a positioning line on the basis of the region of said object (TO1, TO2, TO3) (104), wherein the positioning line is used for positioning the region of said object (TO1, TO2, TO3); and finally, on the basis of the reference line (T1) and the positioning line, acquiring the distance between the region of said object (TO1, TO2, TO3) and the reference region (RL) (105). The method can improve the efficiency and accuracy of distance measurement performed on a plurality of detection objects.
Inventors:
HA QIAN (CN)
Application Number:
PCT/CN2022/113071
Publication Date:
February 22, 2024
Filing Date:
August 17, 2022
Export Citation:
Assignee:
BOE TECHNOLOGY GROUP CO LTD (CN)
BEIJING BOE TECHNOLOGY DEV CO LTD (CN)
BEIJING BOE TECHNOLOGY DEV CO LTD (CN)
International Classes:
G01B11/14; G01B11/02
Foreign References:
| CN112985274A | 2021-06-18 | |||
| CN114199148A | 2022-03-18 | |||
| CN107316298A | 2017-11-03 | |||
| CN107507176A | 2017-12-22 | |||
| CN113077410A | 2021-07-06 | |||
| CN114295081A | 2022-04-08 | |||
| EP3961259A1 | 2022-03-02 | |||
| US20190108649A1 | 2019-04-11 |
Attorney, Agent or Firm:
BEIJING ZBSD PATENT&TRADEMARK AGENT LTD. (CN)
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