Xiaoxin Guo Zhiwen Xu Yueping Feng Yunxiao Wang Zhengxuan Wang Optical Flow Computation with Fourth Order Partial Differential Equations. 279-286 2006 conf/sspr/2006 SSPR/SPR http://dx.doi.org/10.1007/11815921_30 db/conf/sspr/sspr2006.html#GuoXFWW06