Improving the accuracy of action classification using view-dependent context information

  • Authors:
  • Rodrigo Cilla;Miguel A. Patricio;Antonio Berlanga;Jos M. Molina

  • Affiliations:
  • Computer Science Department, Universidad Carlos III de Madrid, Colmenarejo. Madrid, Spain;Computer Science Department, Universidad Carlos III de Madrid, Colmenarejo. Madrid, Spain;Computer Science Department, Universidad Carlos III de Madrid, Colmenarejo. Madrid, Spain;Computer Science Department, Universidad Carlos III de Madrid, Colmenarejo. Madrid, Spain

  • Venue:
  • HAIS'11 Proceedings of the 6th international conference on Hybrid artificial intelligent systems - Volume Part II
  • Year:
  • 2011

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Abstract

This paper presents a human action recognition system that decomposes the task in two subtasks. First, a view-independent classifier, shared between the multiple views to analyze, is applied to obtain an initial guess of the posterior distribution of the performed action. Then, this posterior distribution is combined with view based knowledge to improve the action classification. This allows to reuse the view-independent component when a new view has to be analyzed, needing to only specify the view dependent knowledge. An example of the application of the system into an smart home domain is discussed.