An improved non-parametric background model and two-level classifier for traffic information recognition. - Song Bi; Liqun Han; Yixin Zhong; Xiaojie Wang 006; Hairu Guo (CCIS, 2011)

Research on method of feature extraction and recognition of road condition from nighttime video without vehicle segmentation. - Song Bi; Dehui Sun; Liqun Han; Zhe Dong; Zhenwu Lei (CCIS, 2012)