去雾算法参考了一篇论文： Kaiming He, Jian Sun, Xiaoou Tang. Single Image Haze Removal Using Dark Channel Prior 大致内容是提出了一个叫做暗原色先验的东西来对有雾图像进行处理，然而论文提到的soft matting未在本程序中实现。-Roughly content is put forward a thing called dark grey prior to the fog image pr