1. School of Information Science and Engineering; Wuhan University of Science and Technology; Wuhan China
2. Department of Electrical and Computer Engineering; University of British Columbia; Vancouver Canada
3. Hubei Province Key Laboratory of Systems Science in Metallurgical Process; Wuhan University of Science and Technology; Wuhan 430081 China
4. Engineering Research Center of for Metallurgical Automation and Detecting Technology of Ministry of Education; Wuhan University of Science and Technology; Wuhan China