Credible accounting original evidence electronic image inquiring system
A technology of electronic images and original certificates, applied in computing, computer parts, electronic digital data processing, etc., can solve the problems of record association, inability to distinguish authenticity, and inability to prevent counterfeiters from replacing
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[0007] 1. First scan the original paper voucher to obtain the corresponding electronic image
[0008] Use a scanner to scan the original paper voucher to obtain the corresponding electronic image, and then filter the electronic image to remove the noise that may be generated during the scanning process; obtain the electronic image F for future query M×N , where M and N represent the height and width of the image respectively, and the pixel value of each pixel is represented by the most commonly used 8-bit binary, and the pixel value of each pixel is expressed as f i,j , then f i,j ∈ {0, 1, 2, ... 255}, where i, j are the coordinates of the corresponding pixel points, i ∈ {1, 2, ... M}, j ∈ {1, 2, ..., N}.
[0009] 2. Generate encrypted electronic images to tamper with the parameters required for authentication information
[0010] In order to check whether the electronic image has been tampered with or replaced in the future, a one-way function-hash function is used to combi...
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