%?PHASECONG2?-?Computes?edge?and?corner?phase?congruency?in?an?image.?
%?
%?This?function?calculates?the?PC_2?measure?of?phase?congruency.???
%?This?function?supersedes?PHASECONG?
%?
%?There?are?potentially?many?arguments?here?is?the?full?usage:?
%?
%???[M?m?or?ft?pc?EO]?=?phasecong2（im?nscale?norient?minWaveLength?...?
%?????????????????????????mult?sigmaOnf?dThetaOnSigma?k?cutOff?g）?
%?
%?However?apart?from?the?image?all?parameters?have?defaults?and?the?
%?usage?can?be?as?simple?as:?
%?
%????M?=?phasecong2（im）;?
%??
%?Arguments:?
%??????????????Default?values??????Description?
%?
%????nscale???????????4????-?Number?of?wavelet?scales?try?values?3-6?
%????norient??????????6????-?Number?of?filter?orientations.?
%????minWaveLength????3????-?Wavelength?of?smal