A novel algorithm for recovering the 3D motions of multiple moving rigid objects. - Man Lee Liu; Kin Hong Wong (ICPR, 1998)

Pose estimation using four corresponding points. - Man Lee Liu; Kin Hong Wong (Pattern Recognit. Lett., 1999)

Tracking Classroom Activities in Mobile Technology-Mediated Lessons. - Siu Cheung Kong; Gary Cheng 001; Man Lee Liu (ICCE, 2010)