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Patent Searching and Data


Title:
PASTED PAPER MONEY DETECTION METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/019041
Kind Code:
A1
Abstract:
A pasted paper money detection method and device. The method comprises: collecting a paper money image (S1); performing coarse positioning on an area probably for pasting in the paper money image to acquire a coarse positioning area image (S2); performing grey level histogram statistics on the coarse positioning area image, performing grading on the coarse positioning area image in accordance with a statistical result according to a grey level value interval, and dividing the coarse positioning area image into a plurality of grey level images (S3); respectively performing binarization processing on each of the grey level images, and performing envelopment fitting on the binarized images to acquire an image envelope of each of the grey level images (S4); and performing straight line detection on the image envelope, and if it is detected that the image envelope includes two straight lines not belonging to paper money itself, marking the paper money corresponding to the paper money image as pasted paper money (S5). According to an image feature of pasted paper money shown in a paper money image, with regard to patterns with different grey level conditions probably formed by a pasted tape, the detection rate of the pasted paper money can be effectively improved, the solution is easy to realize, and the equipment costs are economized.

Inventors:
CHEN, Chunguang (9 Kelin Road, Science City High-Tech Industry Development Zon, Guangzhou Guangdong 3, 510663, CN)
QIU, Xinhua (9 Kelin Road, Science City High-Tech Industry Development Zon, Guangzhou Guangdong 3, 510663, CN)
YU, Yuanchao (9 Kelin Road, Science City High-Tech Industry Development Zon, Guangzhou Guangdong 3, 510663, CN)
ZHAO, Xingyu (9 Kelin Road, Science City High-Tech Industry Development Zon, Guangzhou Guangdong 3, 510663, CN)
Application Number:
CN2017/087838
Publication Date:
February 01, 2018
Filing Date:
June 10, 2017
Export Citation:
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Assignee:
GRG BANKING EQUIPMENT CO., LTD. (9 Kelin Road, Science City High-Tech Industry Development Zon, Guangzhou Guangdong 3, 510663, CN)
International Classes:
G07D7/20
Foreign References:
CN106296974A2017-01-04
CN105447956A2016-03-30
CN105069786A2015-11-18
CN104504802A2015-04-08
CN104751559A2015-07-01
US20020037096A12002-03-28
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (Room 1508, Huihua Commercial & Trade Building No. 80 Xian Lie Zhong Road, Yuexiu Distric, Guangzhou Guangdong 0, 510070, CN)
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