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added c++ interface for cvPyrMeanShiftFiltering; added sample on meanshift segmentation

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This commit is contained in:
Maria Dimashova
2010-07-28 16:41:12 +00:00
parent 69ef5efb4d
commit cba926a428
4 changed files with 83 additions and 1 deletions
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2
modules/features2d/src/calonder.cpp
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@@ -333,7 +333,7 @@ void RandomizedTree::train(std::vector<BaseKeypoint> const& base_set,
Size patchSize(PATCH_SIZE, PATCH_SIZE);
for (keypt_it = base_set.begin(); keypt_it != base_set.end(); ++keypt_it, ++class_id) {
for (int i = 0; i < views; ++i) {
make_patch( Mat(keypt_it->image), Point(keypt_it->y, keypt_it->x ), patch, patchSize, rng );
make_patch( Mat(keypt_it->image), Point(keypt_it->x, keypt_it->y ), patch, patchSize, rng );
IplImage iplPatch = patch;
addExample(class_id, getData(&iplPatch));
}

5
modules/imgproc/include/opencv2/imgproc/imgproc.hpp
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@@ -653,6 +653,11 @@ CV_EXPORTS void equalizeHist( const Mat& src, Mat& dst );
//! segments the image using watershed algorithm
CV_EXPORTS void watershed( const Mat& image, Mat& markers );
//! filters image using meanshift algorithm
CV_EXPORTS void pyrMeanShiftFiltering( const Mat& src, Mat& dst,
double sp, double sr, int maxLevel=1,
TermCriteria termcrit=TermCriteria(TermCriteria::MAX_ITER+TermCriteria::EPS,5,1) );
//! class of the pixel in GrabCut algorithm
enum { GC_BGD = 0, //!< background
GC_FGD = 1, //!< foreground

11
modules/imgproc/src/segmentation.cpp
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@@ -526,3 +526,14 @@ cvPyrMeanShiftFiltering( const CvArr* srcarr, CvArr* dstarr,
}
}
void cv::pyrMeanShiftFiltering( const Mat& src, Mat& dst,
double sp, double sr, int maxLevel,
TermCriteria termcrit )
{
if( src.empty() )
return;
dst.create( src.size(), src.type() );
CvMat _src = src, _dst = dst;
cvPyrMeanShiftFiltering( &_src, &_dst, sp, sr, maxLevel, termcrit );
}