Remove the fog.Use filters to de-fog, the effect is OK, I downloaded to know.

Filename	Size	Update
guided image filtering\boxfilter.m	931	2010-07-08
guided image filtering\example_enhancement.m	452	2010-07-08
guided image filtering\example_feathering.m	341	2010-07-08
guided image filtering\example_flash.m	607	2010-07-08
guided image filtering\example_smoothing.m	285	2010-07-08
guided image filtering\guidedfilter.m	957	2010-07-08
guided image filtering\guidedfilter_color.m	2462	2011-05-03
guided image filtering	0	2012-05-09

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