[IP_I_Feat, IP_I_pts] = extractFeatures(I_Gray, IP_I,'FeatureSize',128); [IP_T1_Feat, IP_T1_pts] = extractFeatures(T1_Gray,IP_T1,'FeatureSize',128); % ref_pairs ...
redsample = imsubtract(rsample,test_graysample); % Subtract identified red segment from main image (Gray) bluesample = imsubtract(bsample,test_graysample); % Subtract ...