Method for positioning paper money number image region
A technology of image area and positioning method, which is applied to the authenticity inspection of banknotes, the processing of coins or valuable banknotes, character and pattern recognition, etc., which can solve the problems of easy failure and achieve high reliability.
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[0018] With reference to accompanying drawing, further illustrate the present invention:
[0019] The method for locating the banknote serial number image area includes the following steps:
[0020] 1) Obtain a single banknote image placed horizontally, and the ratio of the banknote image to the banknote is correct;
[0021] 2) Obtain the area images of the first area, the second area, the third area and the fourth area of the current banknote image, the first area corresponds to the position area of the serial number when the front of the banknote is upright, and the second area corresponds to when the front of the banknote is upside down The position area of the serial number, the third area corresponds to the position area of the serial number when the reverse side of the banknote is upright, and the fourth area corresponds to the position area of the serial number when the reverse side of the banknote is turned upside down;
[0022] 3) Select at least two rows o...
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