Title:
METHOD, APPARATUS, DEVICE AND MEDIUM FOR CARD SURFACE DETECTION
Document Type and Number:
WIPO Patent Application WO/2021/110089
Kind Code:
A1
Abstract:
Method, apparatus, device and medium for card surface detection. The method comprises: determining a target picture to make the target picture cover a preset area of a card surface to be detected; detecting the Alpha channel values of the vertices of the preset area; and detecting whether the target picture completely covers on the preset area of the card surface to be detected based on the Alpha channel values of the vertices of the preset area. The card surface detection method, apparatus, device and medium provided according to the embodiments can automatically detect whether an uploaded pattern completely covers the entire card surface when a user customizes the card surface pattern, which does not need manual verification, and improves the efficiency and accuracy of card surface detection.
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Inventors:
YANG LEI (CN)
XIE LIANG (CN)
HE JIE (CN)
WANG BENLIN (CN)
XIE LIANG (CN)
HE JIE (CN)
WANG BENLIN (CN)
Application Number:
PCT/CN2020/133562
Publication Date:
June 10, 2021
Filing Date:
December 03, 2020
Export Citation:
Assignee:
GIESECKE DEVRIENT MOBILE SECURITY GMBH (DE)
GIESECKE DEVRIENT CHINA TECH CO LTD (CN)
GIESECKE DEVRIENT CHINA TECH CO LTD (CN)
International Classes:
G06V10/28; G06V10/56
Foreign References:
| CN110674818A | 2020-01-10 | |||
| CN108510036A | 2018-09-07 | |||
| CN101216924A | 2008-07-09 | |||
| US8628008B1 | 2014-01-14 |
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (CN)
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