1. Faculty of ITEE, University of Oulu,Centre for Machine Vision and Signal Processing (CMVS),Oulu,Finland
2. Daffodil International University,Dept. of CSE,Dhaka,Bangladesh
3. LUT Univerity,Computer Vision and Pattern Recognition,Lappeenranta,Finland
4. University of Oulu,CMVS Faculty of ITEE,Oulu,Finland