message: Clearing data into the detect method of the class cv::LineSegmentDetectorImpl
diff: @@ -430,6 +430,9 @@ void LineSegmentDetectorImpl::detect(InputArray _image, OutputArray _lines,
  if(w_needed) Mat(w).copyTo(_width);
  if(p_needed) Mat(p).copyTo(_prec);
  if(n_needed) Mat(n).copyTo(_nfa);
  +
  + // Clear used structures
  + list.clear();
  }
  void LineSegmentDetectorImpl::flsd(std::vector<Vec4f>& lines,
  