Bill anti-counterfeit method and device based on texture image characteristics
A texture image and ticket technology, applied in the field of anti-counterfeiting, can solve the problems of poor uniqueness of anti-counterfeiting marks, low anti-counterfeiting performance, and high anti-counterfeiting cost, and achieve the effects of uniform visual effect, large amount of information, and wide practicability
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[0067] The present invention will be described in detail below through specific embodiments and drawings.
[0068] The idea of the present invention is to use rapid imaging equipment to randomly select specific areas on the paper carrier before the ticket is printed, obtain and save the paper texture image data contained in these areas, and the coordinate information collection of the area center; and the obtained paper texture After the image data is preprocessed, the gray-level co-occurrence matrix method is used to extract the feature information of the texture image; the number information of the bill is generated according to the bill encoding rules; the summary information stream of the variable data in the bill is calculated; then all the above information is encoded and hidden Among the visible elements in the bill; finally, the combined bill imposition data is sent to the printer for printing. Thus, a method and device for anti-counterfeiting of bills based on texture ...
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