Robust Character Recognition Using a Hierarchical Bayesian Network. - John Thornton 001; Torbjorn Gustafsson; Michael Blumenstein; Trevor Hine (Australian Conference on Artificial Intelligence, 2006)

Hands Free Interaction with Virtual Information in a Real Environment: Eye Gaze as an Interaction Tool in an Augmented Reality System. - Susanna Nilsson; Torbjorn Gustafsson; Per Carleberg (PsychNology J., 2009)