Liyun Su was born in Guang’an city, Sichuan province, Peoples’ Republic of China, in December, 1977. He received the B.S. degree in applied mathematics in 2001. The M.S’s and PH.D’s degree were received in stochastic signal processing of probability and statistics in 2004, 2007，respectively, both from the College of Mathematics, Sichuan University, P. R. China. He is now a faculty member of school of mathematics and statistics of Chongqing University of Technology in China. His research interests include statistical signal processing, weak signal detection, digital image processing, financial statistics, and communication signal processing.  He has published over 20 papers including 9 SCI-indexed journal papers and over 10 EI-indexed papers. He also is a council member of Chinese engineering probability and statistics society and Chongqing Operation Research society.