A remote markerless human gait tracking for e-healthcare based on content-aware wireless multimedia communications
- 18 February 2010
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Wireless Communications
- Vol. 17 (1) , 44-50
Abstract
Remote human motion tracking and gait analysis over wireless networks can be used for various e-healthcare systems for fast medical prognosis and diagnosis. However, most existing gait tracking systems rely on expensive equipment and take lengthy processes to collect gait data in a dedicated biomechanical environment, limiting their accessibility to small clinics located in remote areas. In this work we propose a new accurate and cost-effective e-healthcare system for fast human gait tracking over wireless networks, where gait data can be collected by using advanced video content analysis techniques with low-cost cameras in a general clinic environment. Furthermore, based on video content analysis, the extracted human motion region is coded, transmitted, and protected in video encoding with a higher priority against the insignificant background area to cope with limited communication bandwidth. In this way the encoder behavior and the modulation and coding scheme are jointly optimized in a holistic way to achieve the best user-perceived video quality over wireless networks. Experimental results using H.264/AVC demonstrate the validity and efficacy of the proposed system.Keywords
This publication has 7 references indexed in Scilit:
- Human motion tracking and gait analysis: a brief review of current sensing systems and integration with intelligent environments2008
- Background subtraction techniques: a review2004
- Adaptive Bayesian contextual classification based on Markov random fieldsIEEE Transactions on Geoscience and Remote Sensing, 2002
- Video coding with optimal inter/intra-mode switching for packet loss resilienceIEEE Journal on Selected Areas in Communications, 2000
- Learning patterns of activity using real-time trackingIEEE Transactions on Pattern Analysis and Machine Intelligence, 2000
- Face segmentation using skin-color map in videophone applicationsIEEE Transactions on Circuits and Systems for Video Technology, 1999
- Clinical gait analysisIEEE Engineering in Medicine and Biology Magazine, 1988