Dahong Xu was born in Yueyang, Hunan Province in 1971. He received a Bachelor's degree in basic mathematics from Hunan Normal University in 1995, a Master's degree in engineering from Central South University in 2003, and a doctoral degree in engineering from University of Defense Science and Technology in 2009. From 1997 to 2007, he was a teaching assistant in the computer teaching department of Hunan Normal University. Since 2007, he has been an associate professor in the school of School of Mathematics and Computer Science of Hunan Normal University. He has written more than 20 articles. His research interests include digital image processing, machine vision, artificial intelligence, and data mining.