Automatic identification method for secret related drawings
A drawing and automatic technology, which is applied in the field of automatic identification of confidential drawings, can solve the problems of inability to solve the identification of confidential drawings, difficulty in realization, high technical difficulty, etc., and achieve the effect of solving the problem of automatic identification and fast and reliable identification
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[0042] The technical scheme of the present invention will be described in detail below in conjunction with the accompanying drawings:
[0043] Barcode production and generation
[0044] The process is like figure 1 As shown, the specific steps are as follows:
[0045] The first step: data encryption
[0046] Encrypt the relevant information in the drawing, such as the secret level, drawing date, drawing unit, drawing person, etc., with the RAS encryption algorithm.
[0047] The second step: the data is compiled into a two-dimensional bar code
[0048] Generate QR Code two-dimensional bar code in accordance with Chinese national standard GB / T18284-2000. In order to be able to identify stably, the module width of the 2D barcode is required to be at least 0.5mm, and there is at least a 5mm blank area around the border of the 2D barcode.
[0049] Step 3: Place a two-dimensional bar code on the drawing
[0050] Find the blank area on the drawing, and place the generated two-dimensiona...
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