This book constitutes the refereed proceedings of the International Workshop on Augemented
Environments for Computer-Assited Interventions held in conjunction with MICCAI 2011 in
Toronto Canada in September 2011. The 13 revised full papers presented were carefully
reviewed and selected from 21 submissions. The papers cover the following topics: image
registration and fusion calibration visualisation and 3D perception hardware and optical
design real-time implementations validation clinical applications and clinical evaluation.
