1. Engineering Research Center for Metallurgical Automation and Measurement Technology of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081, People's Republic of China
2. The School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China
3. State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, People's Republic of China