How-Lung Eng Junxian Wang A. H. K. S. Wah Wei-Yun Yau Robust human detection within a highly dynamic aquatic environment in real time. 1583-1600 2006 15 IEEE Transactions on Image Processing 6 http://doi.ieeecomputersociety.org/10.1109/TIP.2006.871119 db/journals/tip/tip15.html#EngWWY06