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Single image dehazing based on scene depth and physical model

Guo Jia1,Wang Xiaotong1,2,Hu Chengpeng1,Xu Xiaogang3 1.Institute of Photoelectric Technology,Dalian Naval Academy,Dalian 116018,China; 2.Department of Navigation,Dalian Naval Academy,Dalian 116018,China; 3.Department of Automatization,Dalian Naval Academy,Dalian 116018,China  
It is important to extract the information from images which have poor contrasts and colors acquired in bad weather.This paper proposes an effective method to remove haze from a single input image.First,focusing on sea images with deep and wild view,the formulas of relative depth are given based on a projection model from 3D to 2D.Then,using the dark channel prior,the sky intensity and reference depth can be obtained more accurate.At last,the degrade images can be recovered by relative scene depths model and atmosphere physical model.Our results demonstrate that our approach performs better than the dark channel prior method.
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