Title:
CALIBRATION METHOD AND APPARATUS, AND ELECTRONIC DEVICE AND COMPUTER-READABLE STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/093407
Kind Code:
A1
Abstract:
A calibration method and apparatus (1, 2), and an electronic device and a computer-readable storage medium. The method comprises: acquiring the ambient temperature of a target setting, at least one first image of the target setting, and at least one second image corresponding to the at least one first image (201); determining at least one trusted pixel from the at least one first image (202), wherein the temperature of the at least one trusted pixel represents the temperature of a target environment; obtaining at least one first temperature of the at least one trusted pixel according to at least one homography matrix between the at least one first image and the at least one second image, and at least one target position (203), wherein the at least one target position is the position of the at least one trusted pixel in the at least one first image; and determining a temperature error of a thermal imaging device according to the difference between the at least one first temperature and the ambient temperature (204).
Inventors:
MA JUNSHENG (CN)
Application Number:
PCT/CN2022/126899
Publication Date:
June 01, 2023
Filing Date:
October 24, 2022
Export Citation:
Assignee:
SHANGHAI SENSETIME INTELLIGENT TECH CO LTD (CN)
International Classes:
G01J5/80; G06T7/00; G06T7/70
Foreign References:
| CN114136462A | 2022-03-04 | |||
| CN111366244A | 2020-07-03 | |||
| CN112287798A | 2021-01-29 | |||
| CN111537074A | 2020-08-14 | |||
| CN113591701A | 2021-11-02 | |||
| CN111751007A | 2020-10-09 | |||
| CN113643386A | 2021-11-12 | |||
| CN112614085A | 2021-04-06 | |||
| JP2007257133A | 2007-10-04 |
Attorney, Agent or Firm:
BEIJING BESTIPR INTELLECTUAL PROPERTY LAW CORPORATION (CN)
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