Usability Views Article Details  home | timeline | recent | popular | e-reports | userati | about this site Tracking with Probabilistic Appearance Models (01 Jun 2002) Article URL: http://www.research.ibm.com/peoplevision/PETS2002.pdf Read 173 more articles from IBM sorted by date, popularity, or title. Next Article: Usability Testing: You Get What You Pay For This site is a labour of love built by Chris McEvoy