简单的模板程序配准，匹配的效果基本上可以满足一般的要求。实用，简单。-two functions used to implement template matching. the program finds the template image inside the target image using correlation.

Normalized correlation coefficient for image template matching

For the detection of sign each frame is analysed. First the image is Converted into gray scale image and then threshold is performed. Then by using blob analysis portion of red part is extracted. Then this extracted part is compared with each t