Fuzzy Measurement of the Number of Persons on the Basis of the Photographic Image

  • Authors:
  • Dariusz Król;Michał Lower

  • Affiliations:
  • Institute of Applied Informatics, Wrocław University of Technology, Wrocław, Poland 50-370;Institute of Engineering Cybernetics, Wrocław University of Technology, Wrocław, Poland 50-370

  • Venue:
  • IEA/AIE '08 Proceedings of the 21st international conference on Industrial, Engineering and Other Applications of Applied Intelligent Systems: New Frontiers in Applied Artificial Intelligence
  • Year:
  • 2008

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Abstract

The numbers of persons on the hall is often a base of the ventilation control system in big commercial buildings. The paper presents a method dedicated for the measurement of the number of persons on the basis of analysis the registered photographic images. A difference between consecutive frames is estimated in the presented method. Every 5 seconds a change in a frame is being evaluated towards previous one. Medium value of the changes for the period of a few minutes is proportional to the number of persons on the hall. For the implementation the algorithms based on fuzzy logic were used.