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fixed bug in SVD, ticket #2027; fixed building highgui with ffmpeg support on MacOSX

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This commit is contained in:
Vadim Pisarevsky
2012-06-28 19:45:13 +00:00
parent 5a2ba94dd6
commit 82cb2ab556
3 changed files with 38 additions and 9 deletions
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28
modules/core/test/test_operations.cpp
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@@ -949,6 +949,34 @@ bool CV_OperationsTest::TestSVD()
SVD svd(A, SVD::FULL_UV);
if( norm(A*svd.vt.row(3).t(), CV_C) > FLT_EPSILON )
throw test_excep();
Mat Dp(3,3,CV_32FC1);
Mat Dc(3,3,CV_32FC1);
Mat Q(3,3,CV_32FC1);
Mat U,Vt,R,T,W;
Dp.at<float>(0,0)=0.86483884; Dp.at<float>(0,1)= -0.3077251; Dp.at<float>(0,2)=-0.55711365;
Dp.at<float>(1,0)=0.49294353; Dp.at<float>(1,1)=-0.24209651; Dp.at<float>(1,2)=-0.25084701;
Dp.at<float>(2,0)=0; Dp.at<float>(2,1)=0; Dp.at<float>(2,2)=0;
Dc.at<float>(0,0)=0.75632739; Dc.at<float>(0,1)= -0.38859656; Dc.at<float>(0,2)=-0.36773083;
Dc.at<float>(1,0)=0.9699229; Dc.at<float>(1,1)=-0.49858192; Dc.at<float>(1,2)=-0.47134098;
Dc.at<float>(2,0)=0.10566688; Dc.at<float>(2,1)=-0.060333252; Dc.at<float>(2,2)=-0.045333147;
Q=Dp*Dc.t();
SVD decomp;
decomp=SVD(Q);
U=decomp.u;
Vt=decomp.vt;
W=decomp.w;
Mat I = Mat::eye(3, 3, CV_32F);
if( norm(U*U.t(), I, CV_C) > FLT_EPSILON ||
norm(Vt*Vt.t(), I, CV_C) > FLT_EPSILON ||
W.at<float>(2) < 0 || W.at<float>(1) < W.at<float>(2) ||
W.at<float>(0) < W.at<float>(1) ||
norm(U*Mat::diag(W)*Vt, Q, CV_C) > FLT_EPSILON )
throw test_excep();
}
catch(const test_excep&)
{