opencv写，直方图匹配，自动的，匹配函数是冈萨雷斯书上得高斯函数-opencv writing, histogram matching, automatic matching function is to get books Gonzalez Gaussian function

使用OpenCV完成的简单频谱域处理, 实验题目来自冈萨雷斯的图像处理project, 此为6.1-6.4-OpenCV complete spectrum using a simple domain processing, experimental subjects from the image processing Gonzalez project, this is 6.1-6.4