On-Line Classification of Human Activities

  • J. C. Nascimento
  • M. A. T. Figueiredo
  • J. S. Marques
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4478)

Abstract

In this paper we address the problem of on-line recognition of human activities taking place in a public area such as a shopping center. We consider standard activities; namely, entering, exiting, passing or browsing. The problem is motivated by surveillance applications, for which large numbers of cameras have been deployed in recent years. Such systems should be able to detect and recognize human activities, with as little human intervention as possible.

In this work, we model the displacement of a person in consecutive frames using a bank of switched dynamical systems, each of which tailored to the specific motion regimes that each trajectory may contain.

Our experimental results are based on nearly 20,000 images concerning four atomic activities and several complex ones, and demonstrate the effectiveness of the proposed approach.

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Copyright information

© Springer Berlin Heidelberg 2007

Authors and Affiliations

  • J. C. Nascimento
    • 1
  • M. A. T. Figueiredo
    • 2
  • J. S. Marques
    • 1
  1. 1.ISR-IST 
  2. 2.IT-IST 

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