Fig. 6

Analysis results of dark channel maps: (a) the enhanced sooty mural, (b) the soot-free mural, (c) the dark channel map for sooty mural and (d) the dark channel map for soot-free mural.
Analysis results of dark channel maps: (a) the enhanced sooty mural, (b) the soot-free mural, (c) the dark channel map for sooty mural and (d) the dark channel map for soot-free mural.