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 accompanying drawings.
[0068] The idea of the present invention is to use fast imaging equipment to randomly select specific areas on the paper carrier before the bill is printed, acquire and save the paper texture image data contained in these areas, and the coordinate information set of the center of the area; the acquired 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 coding rules; the abstract information flow 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, send the merged bill imposition data to the printer for printout. Thus, a bill anti-counterfeiting method and device based on texture image ...
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Abstract
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