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Merge pull request #993 from ivan-korolev:fix_videostab_bug_3023

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Roman Donchenko 2013-06-13 16:57:12 +04:00 committed by OpenCV Buildbot
commit 8fa1e756e2
1 changed files with 5 additions and 0 deletions
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modules/videostab/src/global_motion.cpp
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@ -205,6 +205,9 @@ Mat estimateGlobalMotionRobust(
estimateGlobMotionLeastSquaresAffine };
const int npoints = static_cast<int>(points0.size());
if (npoints < params.size)
return Mat::eye(3, 3, CV_32F);
const int niters = static_cast<int>(ceil(log(1 - params.prob) /
log(1 - pow(1 - params.eps, params.size))));
@ -300,6 +303,8 @@ PyrLkRobustMotionEstimator::PyrLkRobustMotionEstimator()
Mat PyrLkRobustMotionEstimator::estimate(const Mat &frame0, const Mat &frame1)
{
detector_->detect(frame0, keypointsPrev_);
if (keypointsPrev_.empty())
return Mat::eye(3, 3, CV_32F);
pointsPrev_.resize(keypointsPrev_.size());
for (size_t i = 0; i < keypointsPrev_.size(); ++i)