1. Department of Computer Graphics, Vision and Digital Systems, Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland
2. Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, 44-100 Gliwice, Poland
3. Department of Computer Science, COMSATS University Islamabad, Islamabad 45550, Pakistan
4. College of Intellectual Novitiates (COIN), Virtual University of Pakistan, Lahore 55150, Pakistan