中文说明：单幅图象的暗原色先验去雾改进算法，能够很好地改进天空或明亮部分色彩失真问题，matlab代码注解详细，能很好地帮助理解算法过程。
English Description：
The improved algorithm of dark primary color prior defogging of single image can improve the color distortion of sky or bright part. Matlab code annotation is detailed, which can help to understand the algorithm process.