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World Haptics Conference (2009)
Salt Lake City, UT, USA
Mar. 18, 2009 to Mar. 20, 2009
ISBN: 978-1-4244-3858-7
pp: 214-219
Jilin Zhou , School of Information Technology and Engineering, University of Ottawa, Ontario, Canada
Emil M. Petriu , School of Information Technology and Engineering, University of Ottawa, Ontario, Canada
Nizar Sakr , School of Information Technology and Engineering, University of Ottawa, Ontario, Canada
Jiying Zhao , School of Information Technology and Engineering, University of Ottawa, Ontario, Canada
Nicolas D. Georganas , School of Information Technology and Engineering, University of Ottawa, Ontario, Canada
ABSTRACT
In this paper, two robust perception-based haptic data reduction and transmission techniques are presented to reduce data traffic in telehaptic systems. A prediction approach that relies on the least-squares method and median filtering is exploited in order to reduce the number of packets transmitted, and efficiently reconstruct unsuccessfully received data samples. Knowledge from human haptic perception is also used and incorporated into the general data reduction architecture. The techniques are initially evaluated in a basic experimental setting in order to validate their performance. Their application in a haptic-enabled telementoring surgery simulation is also demonstrated. The experimental results prove the proposed approach's effectiveness as haptic data packets can be reduced by as much as 96% in normal network conditions and up to 93% in the presence of significant communication delay and packet loss, while preserving the overall quality of the telehaptic environment.
INDEX TERMS
CITATION
Jilin Zhou, Emil M. Petriu, Nizar Sakr, Jiying Zhao, Nicolas D. Georganas, "Robust perception-based data reduction and transmission in telehaptic systems", World Haptics Conference, vol. 00, no. , pp. 214-219, 2009, doi:10.1109/WHC.2009.4810839
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