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Anti-counterfeiting coding method using label die-cutting information

A coding method and labeling technology, which is applied in the field of anti-counterfeiting coding using label die-cutting information, can solve the problems of cutting edge differences and die-cutting differences between authentic and counterfeit parts

Active Publication Date: 2021-09-21
宋育锋
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  • Application Information

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Problems solved by technology

All of these methods have the issue of cutting edge differences between authentic and counterfeit parts, i.e. die-cutting differences

Method used

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  • Anti-counterfeiting coding method using label die-cutting information
  • Anti-counterfeiting coding method using label die-cutting information
  • Anti-counterfeiting coding method using label die-cutting information

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Embodiment Construction

[0018] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] An anti-counterfeit coding method utilizing label die-cut information, comprising the following steps:

[0020] 1) Carry out grayscale binarization to the registered label picture, utilize the characteristic of the die-cutting edge gray value change of the label picture to carry out the die-cutting positioning, obtain the die-cutting positioning point; the said label picture includes the surface texture of the article as the background and The upper layer label pasted or printed on the surface texture of the article; the upper layer label is dark color (such as RGB (0 100 0), RGB (139 6919)), and the background is li...

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Abstract

The invention discloses an anti-counterfeiting coding method using label die-cutting information. The method comprises the following steps: 1) performing grayscale binarization on a label picture, and performing die-cutting positioning; Divide and obtain the block area, respectively estimate the average gray value of each block area, record and save the pixel position and gray value of the block area, and use it as the code for label die-cutting; Value-based, according to the registration label die-cut encoding record, map the pixel position of the saved block area to the label to be tested, record the gray mean value of the corresponding area on the label to be tested, and finally calculate the gray value of the registered label and the label to be tested The Euclidean distance of the degree mean is used as a measure of authenticity. The coding method provided by the method of the present invention adopts a simple coding method of label die-cutting, and has a lower storage capacity than traditional coding; for anti-counterfeiting, the difference of die-cutting is physically inevitable, and the recognition accuracy is high.

Description

technical field [0001] The invention relates to an anti-counterfeit detection technology, in particular to an anti-counterfeit coding method using label die-cut information. Background technique [0002] At present, anti-counterfeiting has become an indispensable technology for commodity circulation and sales. The current commodity anti-counterfeiting technology methods mainly include two-dimensional codes, laser holographic technology, fluorescent materials, watermark paper, etc. All of these methods suffer from the issue of trimmed edge differences between authentic and counterfeit parts, ie, die-cut differences. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an anti-counterfeiting coding method using label die-cutting information in view of the defects in the prior art. [0004] The technical solution adopted by the present invention to solve the technical problem is: an anti-counterfeiting coding method us...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06K19/06G06Q30/00
CPCG06K19/06037G06K19/0614G06Q30/0185
Inventor 宋育锋
Owner 宋育锋
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