A license plate recognition method for non-motor vehicles
A non-motor vehicle, license plate recognition technology, applied in neural learning methods, character and pattern recognition, computer parts and other directions, can solve the problems of reduced accuracy of license plate characters, many interfering characters, etc., to enhance accuracy and detection and recognition. effect of speed
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[0025] Below in conjunction with accompanying drawing, the present invention will be further described, as figure 1 Shown, the present invention specifically comprises the following steps:
[0026] Step 1: For the obtained non-motor vehicle original license plate image, judge its background color, if it is white, the license plate background color remains unchanged, if it is yellow, respectively convert the license plate background color to white, and call their image histogram Figure, set the pixel mean of background pixels to N 1 , the pixel mean of character pixels is N 2 , where (N 1 >N 2 ), for non-motor vehicle license plates with background colors of other colors, if necessary, the background color can also be changed to white, and the characters and numbers can be changed to black. Here, the background color is white, the characters and numbers are black and Take the non-motor vehicle license plate with yellow background, black characters and numbers as an example....
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