in Proceedings of: 3D Image Analysis and Synthesis '97, ISBN: 3-89601-007-7, Infix 97

Object Oriented Design of the Intuitive Interface

Michael Hoch

Academy of Media Arts

Peter-Welter-Platz 2, 50676 Cologne, Germany,

e-mail: micha@khm.de

Abstract
In this paper we describe the technical framework of an environment that allows the user to interact with virtual scenes in an unencumbered way. The application involves real-time human body recog-nition in front of a large rear projection screen, where strong use of the physical space and pointing gestures are used to direct the scene. We will describe the overall system, the object-oriented design of the tracking system and the structure of the scene description supplied by the application program. For the pointing gesture we describe the underlying algorithm based on tracking colored regions and inverse kinematics using a simple model of the human arm.