Positioning Accuracy And Multi-Target Separation With A Human Tracking System Using Near Field Imaging

We analyze the performance of a novel human tracking system, which uses the electric near field to sense human presence. The positioning accuracy with moving targets is measured using raw observations, observation centroids and Kalman filtered centroids. In addition to this, the multi-target discrim...

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Bibliographic Details
Published inInternational journal on smart sensing and intelligent systems Vol. 2; no. 1; pp. 156 - 175
Main Authors Rimminen, H., Lindström, J., Sepponen, R.
Format Journal Article
LanguageEnglish
Published Sydney Sciendo 01.01.2009
De Gruyter Poland
Subjects
Algorithms
Centroids
Discrimination
Floor sensor
Human tracking
Measuring instruments
Moving targets
Multiple target tracking
Near field imaging
Near fields
Tracking systems
Triangulation
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ISSN1178-5608
1178-5608
DOI10.21307/ijssis-2017-343

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Summary:We analyze the performance of a novel human tracking system, which uses the electric near field to sense human presence. The positioning accuracy with moving targets is measured using raw observations, observation centroids and Kalman filtered centroids. In addition to this, the multi-target discrimination performance is studied with two people and a Rao-Blackwellized Monte Carlo data association algorithm. A reel-based triangulation system is used as the reference positioning system. The mean positioning error for five test subjects walking at different speeds is 21 centimeters. The discrimination performance is 90% when the distance between the two people is over 0.8 meters. With distance over 1.1 meters the discrimination performance is 99%.
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ISSN:1178-5608
1178-5608
DOI:10.21307/ijssis-2017-343