// Add region to tracking
void LKTracker::AddRegion(cv::Vec2i position, cv::Size regionSize, cv::Mat& frame, cv::Mat& next)
{
Motion * motionRegion = new Motion(position, regionSize, frame, next);
this->regions.push_back(motionRegion);
int num_regions = regions.size();
std::stringstream xStream, yStream, tStream;
xStream << num_regions << " X derivative";
yStream << num_regions << " Y derivative";
tStream << num_regions << " T derivative";
std::string x, y, t;
x = xStream.str();
y = yStream.str();
t = tStream.str();
//cv::namedWindow(x, 2);
//cv::namedWindow(y, 2);
//cv::namedWindow(t, 2);
motionRegion->SetWindowNames(x, y, t);
}
