Fast human motion tracking by using high speed neural

  • Authors:
  • Hazem M. El-Bakry;Nikos Mastorakis

  • Affiliations:
  • Faculty of Computer Science & Information Systems, Mansoura University, Egypt;Technical University of Sofia, Bulgaria

  • Venue:
  • SSIP '09/MIV'09 Proceedings of the 9th WSEAS international conference on signal, speech and image processing, and 9th WSEAS international conference on Multimedia, internet & video technologies
  • Year:
  • 2009

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Abstract

In this paper, we present fast neural networks (FNNs) for human motion detection, which might be advantageous especially in various tasks of image tracking. The proposed FNNs uses cross correlation in the frequency domain between the input image and the input weights of neural networks. It is proved mathematically and practically that the number of computation steps required for the FNNs is less than that needed by conventional neural Networks (CNNs). Simulation results using MATLAB confirm the theoretical computations. Then, another neural networks to classify human motion activities (e.g. walking, running) is used. To eliminate the undesirable problems accompanying human motion such as lighting and objects, we adapt and efficiently adapt existing techniques ranging from homomorphic filtering to simple morphological operations. Moreover, an intelligent technique to optimize the process of the moving target, by significantly reducing the number of pixels using the "star" skeletonization is introduced. With this approach, no more than eleven Fourier descriptors are required to completely describe the moving target. The approach is computationally inexpensive and thus ideal for video applications including video surveillance. An experiment to certify this efficiency was performed with 100 % accuracy results.