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Patent Searching and Data


Title:
CALIBRATION METHOD, CALIBRATION SYSTEM, PHOTOGRAPHING METHOD, ELECTRONIC DEVICE AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/185674
Kind Code:
A1
Abstract:
Disclosed in the embodiments of the present application are a calibration method, a calibration system, a photographing method, an electronic device and a storage medium, which are used for realizing the calibration of a gradually variable iris diaphragm. The calibration method comprises: acquiring a first clear aperture of a diaphragm stop to be calibrated; determining a target location of a diaphragm motor corresponding to the first clear aperture; after a rotor of the diaphragm motor is driven to move to the target location, acquiring an image to be processed which comprises an iris diaphragm light through hole; determining a second clear aperture of the light through hole according to the image to be processed: if an error requirement is not met, determining the next target location of the diaphragm motor according to a first correlation and the second clear aperture, and then returning to the step of acquiring an image to be processed and determining a second clear aperture according to the image to be processed; if the error requirement is met, determining the target location as a motor calibration location of the diaphragm stop to be calibrated; and according to the motor calibration location of each diaphragm stop to be calibrated, obtaining the relationship between the diaphragm stop and the location of the aperture motor.

Inventors:
WANG YIQIN (CN)
LI ZHANGCHENG (CN)
LI SIKUN (CN)
LI CHIHHSIN (CN)
MA SHAOJUN (CN)
ZHAO WENBO (CN)
CHEN YINGYAN (CN)
Application Number:
PCT/CN2023/083668
Publication Date:
October 05, 2023
Filing Date:
March 24, 2023
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06T7/80; G01B11/00
Foreign References:
CN115482291A2022-12-16
CN111935413A2020-11-13
CN111263142A2020-06-09
CN109559352A2019-04-02
US20170310867A12017-10-26
Attorney, Agent or Firm:
SHENZHEN ZHONGYI UNION INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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