merged all the latest changes from 2.4 to trunk
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@@ -2098,7 +2098,7 @@ void cv::calcCovarMatrix( const Mat* data, int nsamples, Mat& covar, Mat& _mean,
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{
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CV_Assert( data && nsamples > 0 );
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Size size = data[0].size();
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int sz = size.width*size.height, esz = (int)data[0].elemSize();
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int sz = size.width * size.height, esz = (int)data[0].elemSize();
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int type = data[0].type();
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Mat mean;
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ctype = std::max(std::max(CV_MAT_DEPTH(ctype >= 0 ? ctype : type), _mean.depth()), CV_32F);
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@@ -2116,6 +2116,7 @@ void cv::calcCovarMatrix( const Mat* data, int nsamples, Mat& covar, Mat& _mean,
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}
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Mat _data(nsamples, sz, type);
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for( int i = 0; i < nsamples; i++ )
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{
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CV_Assert( data[i].size() == size && data[i].type() == type );
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@@ -2135,6 +2136,55 @@ void cv::calcCovarMatrix( const Mat* data, int nsamples, Mat& covar, Mat& _mean,
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void cv::calcCovarMatrix( InputArray _data, OutputArray _covar, InputOutputArray _mean, int flags, int ctype )
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{
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if(_data.kind() == _InputArray::STD_VECTOR_MAT)
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{
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std::vector<cv::Mat> src;
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_data.getMatVector(src);
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CV_Assert( src.size() > 0 );
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Size size = src[0].size();
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int type = src[0].type();
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ctype = std::max(std::max(CV_MAT_DEPTH(ctype >= 0 ? ctype : type), _mean.depth()), CV_32F);
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Mat _data(static_cast<int>(src.size()), size.area(), type);
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int i = 0;
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for(vector<cv::Mat>::iterator each = src.begin(); each != src.end(); each++, i++ )
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{
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CV_Assert( (*each).size() == size && (*each).type() == type );
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Mat dataRow(size.height, size.width, type, _data.ptr(i));
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(*each).copyTo(dataRow);
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}
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Mat mean;
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if( (flags & CV_COVAR_USE_AVG) != 0 )
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{
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CV_Assert( _mean.size() == size );
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if( mean.type() != ctype )
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{
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mean = _mean.getMat();
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_mean.create(mean.size(), ctype);
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Mat tmp = _mean.getMat();
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mean.convertTo(tmp, ctype);
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mean = tmp;
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}
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mean = _mean.getMat().reshape(1, 1);
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}
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calcCovarMatrix( _data, _covar, mean, (flags & ~(CV_COVAR_ROWS|CV_COVAR_COLS)) | CV_COVAR_ROWS, ctype );
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if( (flags & CV_COVAR_USE_AVG) == 0 )
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{
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mean = mean.reshape(1, size.height);
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mean.copyTo(_mean);
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}
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return;
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}
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Mat data = _data.getMat(), mean;
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CV_Assert( ((flags & CV_COVAR_ROWS) != 0) ^ ((flags & CV_COVAR_COLS) != 0) );
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bool takeRows = (flags & CV_COVAR_ROWS) != 0;
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