Identification method of crown word number (serial number) of bank note
A recognition method and serial number technology, applied in character and pattern recognition, computing, computer parts, etc., can solve the problems of ignoring the essential characteristics of serial numbers, unable to recognize banknotes, and the recognition rate is not up to the standard, so as to facilitate subsequent processing. , Contribute to monitoring and management, improve the effect of recognition rate
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[0131] The following takes the fifth set of RMB 100 banknotes as an example to illustrate the specific identification process of banknotes. Firstly, an image of the face of the RMB containing the crown is collected under visible light, and the area of the crown is located. Use the prefix area as the source image and proceed in two independent steps.
[0132] First: Firstly, use equation (1) to perform wavelet transformation on the image, find the modulus of wavelet coefficients, refine the image based on the local modulus minima, and finally get the skeleton of the title image. Then extract multiple features of the skeleton and describe the serial number. If the prefix number is normalized to 24*18. Then take the title number "9" as an example to extract its features: the number of bifurcation points is 1, the number of turns is 1, the number of sides is 1, the cumulative sum of the number of vertical traverses in the middle 8 columns is 24, and the horizont...
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