Patrick Piché earned a master’s degree in computer science from Université de Montréal in 2000. During the last 16 years, he has been directly involved in the development of the CAE image generators product lines Tropos and Medallion. As the principal technical specialist of CAE visual systems, he now has the privilege to provide technical direction for CAE visual products. Patrick holds the chair of the Synthetic Natural Environments paper session for the IMAGE Conference.