This book constitutes the refereed proceedings of the International Workshop on Modelling and Motion Capture Techniques for Virtual Environments, CAPTECH'98, held in Geneva, Switzerland, in November 1998. The 21 revised full papers presented in the book were carefully reviewed and selected for inclusion in the book. The book documents research in data capture and interpretation. The papers are organized in sections on human motion analysis, human motion capture and manipulation, image and video manipulation, motion control, human body and objects 3D reconstruction, and image/video based facial animation.