PerceptibleImageChannel 3782 Magick++/lib/Image.cpp   PerceptibleImageChannel(image(),channel_,epsilon_);
PerceptibleImageChannel 1359 Magick++/lib/Magick++/Include.h   using MagickCore::PerceptibleImageChannel;
PerceptibleImageChannel 1713 magick/threshold.c   status=PerceptibleImageChannel(image,DefaultChannels,epsilon);
PerceptibleImageChannel   51 magick/threshold.h   PerceptibleImageChannel(Image *,const ChannelType,const double),
PerceptibleImageChannel 2385 wand/mogrify.c             (void) PerceptibleImageChannel(*image,channel,StringToDouble(