Title:
PATTERN PROJECTION CORRECTION APPARATUS AND METHOD, AND COMPUTER-READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/011471
Kind Code:
A1
Abstract:
The present application discloses a pattern projection correction method, comprising: acquiring an image to be corrected in a target region, wherein the image is an image obtained by photographing the target region when a projection pattern is projected onto a screen located in the target region, the screen is provided with screen feature points, and the projection pattern is provided with projection feature points; calculating correction information according to the screen feature points and the projection feature points; correcting the projection pattern according to the correction information to obtain a corrected projection pattern; and projecting the corrected projection pattern onto the screen. The present application further provides a pattern projection correction apparatus, an automobile calibration system, and a computer-readable storage medium. The present application solves the technical problems in the prior art of being unable to quickly correct a calibration pattern, low calibration accuracy, and poor efficiency.
Inventors:
LIANG SHAOLIN (CN)
ZENG MIN (CN)
ZENG MIN (CN)
Application Number:
PCT/CN2022/109703
Publication Date:
February 09, 2023
Filing Date:
August 02, 2022
Export Citation:
Assignee:
AUTEL INTELLIGENT TECH CORP LTD (CN)
International Classes:
G06T7/80
Foreign References:
| CN113628282A | 2021-11-09 | |||
| CN109698944A | 2019-04-30 | |||
| CN110636273A | 2019-12-31 | |||
| CN110636274A | 2019-12-31 | |||
| CN107464251A | 2017-12-12 | |||
| US20200178909A1 | 2020-06-11 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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