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Wearable Sensor Integration and Bio-motion Capture: A Practical Perspective

  • Zhiqiang Zhang
  • Athanasia Panousopoulou
  • Guang-Zhong Yang
Chapter

Abstract

In the previous chapters, we have discussed the fundamentals of BSN hardware and processing techniques including multi-sensor fusion, context aware and autonomic sensing. In this chapter, we will use bio-motion analysis as an exemplar to demonstrate how some of these methods are used for practical applications involving multiple wearable sensors.

Motion Capture (Mocap) and reconstruction is the process of recording the general body movement of a human subject or living being and translating the movement onto a 3D model such that the model performs the same actions as the subject (De Aguiar E, Theobalt C, Stoll C, Seidel HP. Marker-less deformable mesh tracking for human shape and motion capture. In: Proceeding of IEEE Conference on Computer Vision and Pattern Recognition, pp 1–9, 2007). The Mocap technology has been used for a variety of applications, from delivering realistic animation in filming and entertainment to assessing the performance of professional athletes. Clinically, motion reconstruction systems are increasingly used to analyse the biomechanics of patients. The analysis provides an objective measure of physical function to aid interventional planning, evaluate the outcomes of surgical procedures and assess the efficacy of treatment and rehabilitation (King and Paulson Computer 40(9):13–16, 2007; Wong C, Zhang Z, Kwasnicki R, Liu J, and Yang GZ. Motion Reconstruction from Sparse Accelerometer Data Using PLSR, In: Proceedings of ninth International Conference on Wearable and Implantable Body Sensor Networks (BSN), pp 178–183, 2012). Thus far, a number of motion-tracking technologies have been developed and they can be mainly classified as optical tracking, mechanical tracking and inertial-sensor based tracking systems (Yun and Bachmann IEEE Transactions on Robotics 22(6): 1216–1227, 2006).

Keywords

Sensor Node Kalman Filter Extended Kalman Filter Sink Node Body Segment 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag London 2014

Authors and Affiliations

  • Zhiqiang Zhang
    • 1
  • Athanasia Panousopoulou
    • 1
  • Guang-Zhong Yang
    • 1
  1. 1.The Hamlyn CentreImperial College LondonLondonUK

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