中文说明：通过模板匹配的方式，对text.png图像中的字母‘a’进行定位，给出定位结果以及位置坐标。在matlab的环境下实现了模板匹配，对横向纵向两个方向的字母进行了检测和定位。
English Description：
By means of template matching, the text.png The letter "a" in the image is positioned, and the positioning results and position coordinates are given. The template matching is realized in the environment of MATLAB, and the letters in the horizontal and vertical directions are detected and located.