School of Information Science and Engineering, Central South University, Changsha 410083, China;
School of Info-Physics Engineering, Central South University, Changsha 410083, China;
School of Information Science and Engineering, Central South University, Changsha 410083, China;
School of Information Science and Engineering, Central South University, Changsha 410083, China;
robot location; scene recognition; salient image; matching strategy; fuzzy logic; hidden Markov model;