A Rule-Based Approach to Activity Recognition. - Pitchakan Theekakul; Surapa Thiemjarus; Ekawit Nantajeewarawat; Thepchai Supnithi; Kaoru Hirota (KICSS, 2010)

Toward real-time accurate fall/fall recovery detection system by incorporating activity information. - Natthapon Pannurat; Pitchakan Theekakul; Surapa Thiemjarus; Ekawit Nantajeewarawat (BHI, 2012)