Title:
CERTIFICATE EDGE DETECTION METHOD AND APPARATUS, AND DEVICE AND MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/218183
Kind Code:
A1
Abstract:
A certificate edge detection method and apparatus, and a device and a medium. The method comprises: when an image certificate edge detection request is received, acquiring a target image associated with the image certificate edge detection request (S10); inputting the target image into a preset facial recognition model, extracting a facial feature point from the target image, and determining a facial photograph in the target image according to the facial feature point and a feature coordinate of the facial feature point (S20); according to photograph information of the facial photograph and from the target image, extracting a certificate main body image that includes the facial photograph (S30); and inputting the certificate main body image into a preset edge detection model, obtaining a card edge line segment, analyzing the card edge line segment, and outputting a certificate edge detection result (S40). By means of the method, the accuracy of certificate edge detection is improved.
Inventors:
HUANG ZEHAO (CN)
Application Number:
PCT/CN2020/136317
Publication Date:
November 04, 2021
Filing Date:
December 15, 2020
Export Citation:
Assignee:
PING AN TECH SHENZHEN CO LTD (CN)
International Classes:
G06K9/46; G06K9/00; G06K9/62
Foreign References:
| CN111582134A | 2020-08-25 | |||
| CN111079571A | 2020-04-28 | |||
| CN110248037A | 2019-09-17 | |||
| CN110781890A | 2020-02-11 | |||
| CN107742094A | 2018-02-27 | |||
| CN109376735A | 2019-02-22 | |||
| US20190355122A1 | 2019-11-21 |
Attorney, Agent or Firm:
SHENZHEN WORLD INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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