comparison toolboxes/FullBNT-1.0.7/KPMtools/rgb2grayKPM.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function g = rgb2grayKPM(rgb)
+% function g = rgb2grayKPM(rgb)
+% rgb2grayKPM Like the built-in function, but if r is already gray, does not cause an error
+
+[nr nc ncolors] = size(rgb);
+if ncolors > 1
+  g = rgb2gray(rgb);
+else
+  g = rgb;
+end
+