这个脚本显示了如何使用本地局部和全局直方图共同加强图像,特别针对图像上有隐藏的部分。 利用了nlfilter()函数及循环遍历像素值修改。-This scr ipt shows to how to use local and global histograms to work together to locally enhance the image, especially suitable for the case that parts of the image may contain