1. Department of Electrical & Electronic Information Engineering, Toyohashi University of Technology, 1-1 Hibarigaoka, Tempaku-Cho, Toyohashi, Aichi, 441-8580, Japan
2. Department of Surgery, Faculty of Veterinary Medicine, Alexandria University, Alexandria 22785, Egypt
3. School of Applied Sciences, The University of the West of England, Frenchay Campus, Coldharbour Lane Bristol BS16 1QY, UK