research interests include robotics, computer vision, and image processing, with ongoing projects in humanoid robotics, robot navigation and guidance, biomedical image processing, and stereo and motion vision. He led WPI teams in the DARPA Robotics Challenge and NASA Space Robotics Challenge and is author or co-author of over 100 papers. His research has been supported by DARPA, NASA, NIH, NSF, and industry. He is a member of Sigma Xi, and a senior member of IEEE and ACM.