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added minEigThreshold parameter to calcOpticalFlowPyrLK to filter out bad points earlier.

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This commit is contained in:
Vadim Pisarevsky
2011-07-27 19:07:45 +00:00
parent 6b5ea5931d
commit eebe4860da
3 changed files with 56 additions and 11 deletions
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5
modules/video/include/opencv2/video/tracking.hpp
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@@ -318,12 +318,13 @@ enum { OPTFLOW_USE_INITIAL_FLOW=4, OPTFLOW_FARNEBACK_GAUSSIAN=256 };
CV_EXPORTS_W void calcOpticalFlowPyrLK( InputArray prevImg, InputArray nextImg,
InputArray prevPts, CV_OUT InputOutputArray nextPts,
OutputArray status, OutputArray err,
Size winSize=Size(15,15), int maxLevel=3,
Size winSize=Size(21,21), int maxLevel=3,
TermCriteria criteria=TermCriteria(
TermCriteria::COUNT+TermCriteria::EPS,
30, 0.01),
double derivLambda=0.5,
int flags=0 );
int flags=0,
double minEigThreshold=1e-4);
//! computes dense optical flow using Farneback algorithm
CV_EXPORTS_W void calcOpticalFlowFarneback( InputArray prev, InputArray next,