Anti-counterfeiting method based on image hiding technology
A technology of image hiding and technology, which is applied in the field of anti-counterfeiting based on image hiding technology, can solve the problems of lack of anti-counterfeiting technology, and achieve the effect of convenient use, simple identification and strong anti-counterfeiting function
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[0021] Anti-counterfeiting cards are made of plastic lenticular sheets, such as figure 1 As shown, the graphic layout of the anti-counterfeiting card includes vertical stripes 1, foreground graphics 2 and background graphics 3 composed of regularly arranged hidden graphic elements.
[0022] An anti-counterfeiting method based on image hiding technology, comprising the steps of:
[0023] The first step is to measure the number of lines of the grating sheet:
[0024] The grating line count is measured using a test strip, which consists of a number of vertical lines (ie test strips) evenly distributed. If testing a 100LPI (line / inch) grating sheet, first make 20 test strips (with 100LPI as the middle number, 10 strips on the left and right, that is, from 99.0LPI to 100.9LPI, the difference between two adjacent test strips is 0.1LPI ) test strips, each test strip is about 20mm high, and the length is equal to the length of the grating sheet.
[0025] Use Photoshop to make a tes...
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