对于车牌灰度图像进行滤波去噪后先用峰谷法二值化，再用垂直投影法进行分割，最后后进行模板匹配，并用弧向判定法匹配对几组易出错的字符进行检测，从而的到车牌号。 -License plate grayscale image filter denoising with a peak-to-valley method after the first two values, then the vertical projection of the dividing Finally after the te