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diff util/sparco utils/scalarToRGB.m @ 77:62f20b91d870

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add routines from sparco problems privite folder to {root}\util some changes to ksvd vs rlsdla image denoising example
author Ivan <ivan.damnjanovic@eecs.qmul.ac.uk>
date Fri, 25 Mar 2011 14:01:50 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/util/sparco utils/scalarToRGB.m	Fri Mar 25 14:01:50 2011 +0000
@@ -0,0 +1,18 @@
+function s = scalarToRGB(x,colors)
+% input values are assumed to lie between 0 and 1
+
+%   Copyright 2008, Ewout van den Berg and Michael P. Friedlander
+%   http://www.cs.ubc.ca/labs/scl/sparco
+%   $Id: scalarToRGB.m 1040 2008-06-26 20:29:02Z ewout78 $
+
+l  = size(colors,1);
+m  = size(x,1);
+n  = size(x,2);
+s  = zeros(m,n,3);
+
+for i=1:m
+  for j=1:n
+     idx = max(1,min(l,1+floor((l-1) * x(i,j))));
+     s(i,j,:) = colors(idx,:);
+  end
+end