Mercurial > hg > mauch-mirex-2010
annotate _FullBNT/KPMtools/rectintSparseC.m @ 9:4ea6619cb3f5 tip
removed log files
author | matthiasm |
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date | Fri, 11 Apr 2014 15:55:11 +0100 |
parents | b5b38998ef3b |
children |
rev | line source |
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matthiasm@8 | 1 function [overlap, normoverlap] = rectintSparseC(A,B) |
matthiasm@8 | 2 % |
matthiasm@8 | 3 % function [area, normarea] = rectintSparseC(A,B) |
matthiasm@8 | 4 % A(i,:) = [x y w h] |
matthiasm@8 | 5 % B(j,:) = [x y w h] |
matthiasm@8 | 6 % out(i,j) = area of intersection |
matthiasm@8 | 7 % |
matthiasm@8 | 8 % Same as built-in rectint, but uses less memory. |
matthiasm@8 | 9 % Also, returns area of overlap normalized by area of patch. |
matthiasm@8 | 10 % See rectintSparse |
matthiasm@8 | 11 |
matthiasm@8 | 12 if isempty(A) | isempty(B) |
matthiasm@8 | 13 overlap = []; |
matthiasm@8 | 14 normoverlap = []; |
matthiasm@8 | 15 return; |
matthiasm@8 | 16 end |
matthiasm@8 | 17 |
matthiasm@8 | 18 leftA = A(:,1); |
matthiasm@8 | 19 bottomA = A(:,2); |
matthiasm@8 | 20 rightA = leftA + A(:,3); |
matthiasm@8 | 21 topA = bottomA + A(:,4); |
matthiasm@8 | 22 |
matthiasm@8 | 23 leftB = B(:,1)'; |
matthiasm@8 | 24 bottomB = B(:,2)'; |
matthiasm@8 | 25 rightB = leftB + B(:,3)'; |
matthiasm@8 | 26 topB = bottomB + B(:,4)'; |
matthiasm@8 | 27 |
matthiasm@8 | 28 numRectA = size(A,1); |
matthiasm@8 | 29 numRectB = size(B,1); |
matthiasm@8 | 30 |
matthiasm@8 | 31 verbose = 0; |
matthiasm@8 | 32 [overlap, normoverlap] = rectintSparseLoopC(leftA, rightA, topA, bottomA, leftB, rightB, topB, bottomB, verbose); |