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Replaced DECOMP_SVD with DECOMP_NORMAL|DECOMP_LU for speed (videostab)

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This commit is contained in:
Alexey Spizhevoy 2012-04-20 09:02:39 +00:00
parent e49ea39a1f
commit ae8d377561
1 changed files with 3 additions and 3 deletions
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6
modules/videostab/src/global_motion.cpp
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@ -136,7 +136,7 @@ static Mat estimateGlobMotionLeastSquaresTranslationAndScale(
} }
Mat_<float> sol; Mat_<float> sol;
solve(A, b, sol, DECOMP_SVD); solve(A, b, sol, DECOMP_NORMAL | DECOMP_LU);
if (rmse) if (rmse)
*rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints))); *rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints)));
@ -173,7 +173,7 @@ static Mat estimateGlobMotionLeastSquaresSimilarity(
} }
Mat_<float> sol; Mat_<float> sol;
solve(A, b, sol, DECOMP_SVD); solve(A, b, sol, DECOMP_NORMAL | DECOMP_LU);
if (rmse) if (rmse)
*rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints))); *rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints)));
@ -212,7 +212,7 @@ static Mat estimateGlobMotionLeastSquaresAffine(
} }
Mat_<float> sol; Mat_<float> sol;
solve(A, b, sol, DECOMP_SVD); solve(A, b, sol, DECOMP_NORMAL | DECOMP_LU);
if (rmse) if (rmse)
*rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints))); *rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints)));