Single Image Fog Removal Using Gamma transformation and median filtering

In this paper, a novel and simple restoration based fog removal approach is proposed. Here, we proposed an approach which is based on gamma transformation method and median filter. Transmission map is refined by the gamma transformation method. Then obtained transmission map is smoothed by a median filter. Qualitative and quantitative analysis demonstrate that proposed algorithm performs well in comparison with bilateral filtering. It can handle color as well as gray images. Proposed algorithm, due to its speed and ability to improve visibility, may be used in many systems, ranging from tracking and navigation, surveillance, consumer electronics, intelligent vehicles to remote sensing.

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