Mercurial > hg > camir-aes2014

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

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first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMtools/rgb2grayKPM.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,11 @@
+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
+