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

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
parents
children
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/KPMtools/rectintC.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,22 @@
+function [overlap, normoverlap] = rectintC(A,B)
+%
+% A(i,:) = [x y w h]
+% B(j,:) = [x y w h]
+% overlap(i,j) = area of intersection
+% normoverlap(i,j) = overlap(i,j) / min(area(i), area(j))
+%
+% Same as built-in rectint, but faster and uses less memory (since avoids repmat).
+
+
+leftA = A(:,1);
+bottomA = A(:,2);
+rightA = leftA + A(:,3);
+topA = bottomA + A(:,4);
+
+leftB = B(:,1)';
+bottomB = B(:,2)';
+rightB = leftB + B(:,3)';
+topB = bottomB + B(:,4)';
+
+verbose = 0;
+[overlap, normoverlap] = rectintLoopC(leftA, rightA, topA, bottomA, leftB, rightB, topB, bottomB, verbose);