//-------------------------------------------------------------------------------------
//Label and extract isolated regions from foreground mask
//-------------------------------------------------------------------------------------
void Tracking_STIP::Bwlabel(cv::Mat Fmask, cv::Mat &Out){
cv::Mat cFmask = Fmask.clone();
Erosion(cFmask ,cFmask);
cv::Mat A = cFmask.clone();
cv::findContours(A, contours, hierarchy, CV_RETR_EXTERNAL, CV_CHAIN_APPROX_NONE);
Nroi = 0;
//Variables to store contours coordinates of each isolated region
Xcroi.clear();
Ycroi.clear();
std::vector<int> X_temp;
std::vector<int> Y_temp;
for(int i=0; i<contours.size(); i++ )
{
pt.x = contours[i][0].x;
pt.y = contours[i][0].y;
if(contours[i].size()>=minArea)
{
Nroi++;
floodFill(cFmask,pt, cv::Scalar::all(Nroi));
X_temp.clear();
Y_temp.clear();
//store contours coordinates
for(int j=0; j<contours[i].size();j++){
X_temp.push_back(contours[i][j].x);
Y_temp.push_back(contours[i][j].y);
}
Xcroi.push_back(X_temp);
Ycroi.push_back(Y_temp);
}
else
{
floodFill(cFmask,pt, cv::Scalar::all(0));
}
}
//Imagesc(cFmask,Nroi,"test2");
//cv::waitKey();
Out = cFmask.clone();
}
void Bitmap::Closing()
{
Dilation();
Erosion();
}
void Bitmap::Opening()
{
Erosion();
Dilation();
}
