Latency and Distortion of Electromagnetic Trackers for Augmented Reality Systems
Language: English
Published by Springer, Springer Jun 2014, 2014
- Softcover
- New
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This item is printed on demand - Print on Demand Titel. Neuware -Augmented reality (AR) systems are often used to superimpose virtual objects or information on a scene to improve situational awareness. Delays in the display system or inaccurate registration of objects destroy the sense of immersion a user experiences when using AR systems. AC electromagnetic trackers are ideal for these applications when combined with head orientation prediction to compensate for display system delays. Unfortunately, these trackers do not perform well in environments that contain conductive or ferrous materials due to magnetic field distortion without expensive calibration techniques. In our work we focus on both the prediction and distortion compensation aspects of this application, developing a 'small footprint' predictive filter for display lag compensation and a simplified calibration system for AC magnetic trackers. In the first phase of our study we presented a novel method of tracking angular head velocity from quaternion orientation using an Extended KalmanFilter in both single model (DQEKF) and multiple model (MMDQ) implementations. In the second phase of our work we have developed a new method of mapping the magnetic field generated by the tracker without high precision measurement equipment. This method uses simple fixtures with multiple sensors in a rigid geometry to collect magnetic field data in the tracking volume. We have developed a new algorithm to process the collected data and generate a map of the magnetic field distortion that can be used to compensate distorted measurement data. Table of Contents: List of Tables / Preface / Acknowledgments / Delta Quaternion Extended Kalman Filter / Multiple Model Delta Quaternion Filter / Interpolation Volume Calibration / Conclusion / References / Authors' BiographiesSpringer-Verlag KG, Sachsenplatz 4-6, 1201 Wien 192 pp. Englisch.…
Seller Inventory # 9783031003943
- Title
- Latency and Distortion of Electromagnetic Trackers for Augmented Reality Systems
- Author
- Henry Himberg
- Publisher
- Springer, Springer Jun 2014
- Publication year
- 2014
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3031003942
- ISBN 13
- 9783031003943
- Item weight
- 370 grams
- Dimensions
- 235x191x11 mm
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buchversandmimpf2000
Emtmannsberg, BAYE, Germany
AbeBooks seller since January 23, 2017
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| Item | 60 to 60 business days | 60 to 60 business days |
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