Mercurial > hg > smallbox

diff Problems/private/imnormalize.m @ 10:207a6ae9a76f version1.0

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author idamnjanovic
date Mon, 22 Mar 2010 15:06:25 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Problems/private/imnormalize.m	Mon Mar 22 15:06:25 2010 +0000
@@ -0,0 +1,19 @@
+function y = imnormalize(x)
+%IMNORMALIZE Normalize image values.
+%  Y = IMNORMALIZE(X) linearly transforms the intensity values of the image
+%  X to tightly cover the range [0,1]. If X has more than one channel, the
+%  channels are handled as one and normalized using the same transform.
+
+
+%  Ron Rubinstein
+%  Computer Science Department
+%  Technion, Haifa 32000 Israel
+%  ronrubin@cs
+%
+%  May 2004
+
+
+maxval = max(x(:));
+minval = min(x(:));
+
+y = (x-minval) / (maxval-minval);