School of Information Science and Engineering, Central South University, Changsha, 410083, China, College of Information and Communication Engineering, Hunan Institute of Science and Technology, Yueyang, 414006, 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.|School of Information Science and Engineering, Central South University, Changsha, 410083, China.|School of Information Science and Engineering, Central South University, Changsha, 410083, China.|Department of Molecular Physiology & Biophysics, Baylor College of Medicine, Houston, TX 77030, USA.|Department of Mechanical Engineering and Division of Biomedical Engineering, University of Saskatchewan, Saskatoon, SK S7N 5A9, Canada and.|Department of Computer Science, Georgia State University, Atlanta, GA 30302-4110, USA.