Title:
RECOGNITION METHOD AND TERMINAL FOR BATCH OF QR CODES
Document Type and Number:
WIPO Patent Application WO/2021/253633
Kind Code:
A1
Abstract:
The present invention relates to the technical field of QR codes, and in particular to an recognition method and terminal for a batch of QR codes. The method comprises: extracting all contour data from binarized image data, analyzing all the contour data to obtain an innermost contour corresponding to each piece of contour data, and respectively calculating to obtain centroid coordinates of each innermost contour; respectively calculating distances and angle relationships between the centroid coordinates of each innermost contour and the centroid coordinates of other innermost contours, and dividing the centroid coordinates having equal distances and angles into a same QR code area; and positioning QR codes according to the outermost contour corresponding to the centroid coordinates of the same QR code area. In an recognition process, segmentation and extraction of a plurality of QR codes in a single image are implemented mainly by using positioning point features of the QR codes, so that recognition of the batch of QR codes is implemented.
Inventors:
YOU GUANYI (CN)
OU XINMU (CN)
HUANG JIBO (CN)
FU CHUNQI (CN)
OU XINMU (CN)
HUANG JIBO (CN)
FU CHUNQI (CN)
Application Number:
PCT/CN2020/111730
Publication Date:
December 23, 2021
Filing Date:
August 27, 2020
Export Citation:
Assignee:
FUZHOU FU CHANG WECON ELECTRONICS TECH CO LTD (CN)
International Classes:
G06K7/14
Foreign References:
| CN106991354A | 2017-07-28 | |||
| CN106529370A | 2017-03-22 | |||
| CN104951726A | 2015-09-30 | |||
| CN107832652A | 2018-03-23 | |||
| CN103279730A | 2013-09-04 | |||
| JP2000163506A | 2000-06-16 |
Attorney, Agent or Firm:
BORSAM INTELLECTUAL PROPERTY (FUZHOU) (CN)
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