说明：  基于暗原色先验的单一图像去雾方法，一种简单但是有效的图像先验规律——暗原色先验（dark channelprior）来为单一输入图像去雾
(Dark colors based on a single image to fog a priori method, a simple but effective image prior law- dark colors priori (dark channelprior) to a single input image to fog)