Prof. Hongyao Wang received his B.S. degree in information engineering and his Ph.D. degree in communication and information engineering from the China University of Mining and Technology, Xuzhou, Jiangsu, China, in 2004 and 2009, respectively. He is currently an Associate Professor at the China University of Mining and Technology, Beijing, China. His current research interests include mine safety monitoring and monitoring technology and equipment, mine information processing technology, and intelligent image processing and recognition methods.