1. Professor, College of Information Science and Technology, Beijing Univ. of Chemical Technology, Beijing 100029, China; Engineering Research Center of Intelligent PSE, Ministry of Education in China, Beijing 100000, China.
2. College of Information Science and Technology, Beijing Univ. of Chemical Technology, Beijing 100029, China; Engineering Research Center of Intelligent PSE, Ministry of Education in China, Beijing 100000, China.
3. Associate Professor, College of Information Science and Technology, Beijing Univ. of Chemical Technology, Beijing 100029, China; Engineering Research Center of Intelligent PSE, Ministry of Education in China, Beijing 100000, China (corresponding author).
4. Professor, Department of Electronics and Information TechnologyJiangmen Polytechnic, Jiangmen, Guangdong 529000, China.