Surround-screen projection-based virtual reality: the design and implementation of the CAVE
SIGGRAPH '93 Proceedings of the 20th annual conference on Computer graphics and interactive techniques
Recursive Estimation of Motion, Structure, and Focal Length
IEEE Transactions on Pattern Analysis and Machine Intelligence
Distortion Correction of Magnetic Fields for Position Tracking
CGI '97 Proceedings of the 1997 Conference on Computer Graphics International
Towards 3D hand tracking using a deformable model
FG '96 Proceedings of the 2nd International Conference on Automatic Face and Gesture Recognition (FG '96)
Real-Time Self-Calibrating Stereo Person Tracking Using 3-D Shape Estimation from Blob Features
ICPR '96 Proceedings of the International Conference on Pattern Recognition (ICPR '96) Volume III-Volume 7276 - Volume 7276
DigitEyes: Vision-Based Human Hand Tracking
DigitEyes: Vision-Based Human Hand Tracking
Visual Tracking of Self-Occluding Articulated Objects
Visual Tracking of Self-Occluding Articulated Objects
Landscape Editing with Knowledge-Based Measure Deductions for Ecological Planning
ISD '99 Selected Papers from the International Workshop on Integrated Spatial Databases, Digital Inages and GIS
Virtual Reality in Brazil: Multi-camera calibration based on an invariant pattern
Computers and Graphics
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In this paper, we introduce an optical tracking system for the use with virtual environments which is able to track the hand and the head of a user simultaneously and in real time. The system utilises infrared beacons instead of visible light, because of the special lighting conditions which must be met to employ the system together with a projection table. The working principle of a simple and fast three-step calibration process is described. The characteristics of the tracking system are described with regard to the hardware configuration needed, the software we developed, and the interface to virtual reality applications.