Correlation Filters for Facial Recognition Login Access Control. - Daniel E. Riedel; Wanquan Liu; Ronny Tjahyadi (PCM (1), 2004)

A Smith-Waterman Local Alignment Approach for Spatial Activity Recognition. - Daniel E. Riedel; Svetha Venkatesh; Wanquan Liu (AVSS, 2006)

A chemotactic-based model for spatial activity recognition. - Daniel E. Riedel; Svetha Venkatesh; Wanquan Liu (Int. J. Syst. Sci., 2006)

Recognising online spatial activities using a bioinformatics inspired sequence alignment approach. - Daniel E. Riedel; Svetha Venkatesh; Wanquan Liu (Pattern Recognit., 2008)