Introduction - If you have any usage issues, please Google them yourself
According to the formula Yellow = (red+ green)/2, gray = (yellow+ blue)/2, the red, green, blue three colors of the color space is mapped to the yellow and blue colors constitute the color space, further value black, blue, gray, yellow and white five, which includes the required license plate license plate identification color (blue, yellow, white, black) and character color (white, black), and to preserve the image gray identifying information, to overcome the binarization threshold defects three-valued image based on license plate recognition, including three-valued image based on character recognition and image-based three-valued inverse of the separator plate positioning, the image is built on the basis of three-valued on the license plate recognition algorithm innovation system.