Vision-based bin-picking: recognition and localization of multiple complex objects using simple visual cues. - Krisnawan Rahardja; Akio Kosaka (IROS, 1996)

Face to interface: facial affect in (hu)man and machine. - Diane J. Schiano; Sheryl M. Ehrlich; Krisnawan Rahardja; Kyle Sheridan (CHI, 2000)