ImpulseNoiseEvaluateOperator  550 Magick++/lib/Magick++/Include.h   using MagickCore::ImpulseNoiseEvaluateOperator;
ImpulseNoiseEvaluateOperator 1045 magick/option.c     { "ImpulseNoise", ImpulseNoiseEvaluateOperator, UndefinedOptionFlag, MagickFalse },
ImpulseNoiseEvaluateOperator  280 magick/statistic.c     case ImpulseNoiseEvaluateOperator: