Guangyan Huang Jing He Zhiming Ding Inter-frame Change Directing Online Clustering of Multiple Moving Objects for Video-Based Sensor Networks. 442-446 2008 Web Intelligence/IAT Workshops http://dx.doi.org/10.1109/WIIAT.2008.125 conf/iat/2008w db/conf/iat/iatw2008.html#HuangHD08