A local descriptor for finding corresponding points in vector fields. - Liefei Xu; H. Quynh Dinh (ICPR, 2008)

Measuring the Similarity of Vector Fields Using Global Distributions. - H. Quynh Dinh; Liefei Xu (SSPR/SPR, 2008)

A distribution-based approach to tracking points in velocity vector fields. - Liefei Xu; H. Quynh Dinh; Eugene Zhang; Zhongzang Lin; Robert S. Laramee (CVPR, 2009)

Automatic Facial Expression Recognition using Bags of Motion Words. - Liefei Xu; Philippos Mordohai (BMVC, 2010)