From ae8d37756142df40789c734f6f6e15c0311a4304 Mon Sep 17 00:00:00 2001
From: Alexey Spizhevoy <no@email>
Date: Fri, 20 Apr 2012 09:02:39 +0000
Subject: [PATCH] Replaced DECOMP_SVD with DECOMP_NORMAL|DECOMP_LU for speed
 (videostab)

---
 modules/videostab/src/global_motion.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/modules/videostab/src/global_motion.cpp b/modules/videostab/src/global_motion.cpp
index 56c278f..f3f4fc2 100644
--- a/modules/videostab/src/global_motion.cpp
+++ b/modules/videostab/src/global_motion.cpp
@@ -136,7 +136,7 @@ static Mat estimateGlobMotionLeastSquaresTranslationAndScale(
     }
 
     Mat_<float> sol;
-    solve(A, b, sol, DECOMP_SVD);
+    solve(A, b, sol, DECOMP_NORMAL | DECOMP_LU);
 
     if (rmse)
         *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;
-    solve(A, b, sol, DECOMP_SVD);
+    solve(A, b, sol, DECOMP_NORMAL | DECOMP_LU);
 
     if (rmse)
         *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;
-    solve(A, b, sol, DECOMP_SVD);
+    solve(A, b, sol, DECOMP_NORMAL | DECOMP_LU);
 
     if (rmse)
         *rmse = static_cast<float>(norm(A*sol, b, NORM_L2) / sqrt(static_cast<double>(npoints)));
-- 
2.7.4