Fingerprint information hiding and verifying method based on two-dimensional bar code
A technology of fingerprint information and authentication method, applied in the fields of information hiding and information security, can solve the problems of low security and high cost, and achieve the effect of high security, low cost and large amount of stored information
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[0051] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0052] The fingerprint information hiding and authentication method based on the two-dimensional barcode of the present invention includes two parts of fingerprint information hiding, fingerprint information identification and authentication, such as figure 1 As shown, the method proceeds in the following steps:
[0053] The first step is to collect the fingerprint image first, image 3 is the captured fingerprint image.
[0054] The second step is to hide the fingerprint information, specifically follow the steps below:
[0055] (1) Fingerprint Feature Extraction
[0056] Process the collected fingerprint images to extract fingerprint features, such as figure 2 As shown, the specific steps are as follows:
[0057] a. Input the fingerprint image for segmentation
[0058] Firstly, the collected fingerprint image is filtered by a...
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