Biography: Liu Hui, Ph.D., associate professor, master tutor. Visiting scholar at the University of Ottawa, Canada. Member of the Committee of Jiusan Society at Kunming University of Science and Technology. Person in charge of the National first-class undergraduate courses. Senior member of the China Computer Federation. Peer reviewer of the National Natural Science Foundation of China. Member of the Singapore Viser Academic Committee. Leader of the Expert Committee of the Intelligent Engineering Research Center of Yunnan Metallurgical Industry Big Data Center. Presided over the National Natural Science Foundation of China, the Yunnan Provincial Department of Science and Technology, etc., mainly engaged in machine learning, image processing, soft measurement and other theories and application research in the metallurgical industry. He has published more than 20 academic papers in journals such as Computers & Chemical Engineering, IET Image Processing and so on.