直方图拉伸算法，matlab代码。处理各种位图图像，包括bmp，jpg，tiff，png等等。具体算法为将目标图像的直方图特征进行变换，使其接近参考图像的直方图特征，已达到调整目标图像显示效果接近参考图像的目的-This is a matlab code for histogram matching algorithm, dealing with most kinds of bit maps, like bmp, jpg, tiff, png etc. Specifically, this function changes the histogram of the target image to the features of the histogram of the reference image. The purpose is to change the histogram to make it similar to the reference image.