ChannelThresholdImage 4020 coders/msl.c                 (void) ChannelThresholdImage(msl_info->image[n], thresholds);
ChannelThresholdImage 6312 magick/display.c       (void) ChannelThresholdImage(*image,factor);
ChannelThresholdImage   55 magick/effect.h   ChannelThresholdImage(Image *,const char *),