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Multimedia Tools and Applications

, Volume 75, Issue 17, pp 10495–10511 | Cite as

Complexity analysis of the Pawlak’s flowgraph extension for re-identification in multi-camera surveillance system

  • Karol LisowskiEmail author
  • Andrzej Czyzewski
Article
  • 136 Downloads

Abstract

The idea of Pawlak’s flowgraph turned out to be a useful and convenient container for a knowledge of objects’ behaviour and movements within the area observed with a multi-camera surveillance system. Utilization of the flowgraph for modelling behaviour admittedly requires certain extensions and enhancements, but it allows for combining many rules into a one data structure and for obtaining parameters describing how objects tend to move through the supervised area. The main aim of this article is presentation of the complexity analysis of proposed modification of flowgraphs. This analysis contains considerations of issues such as memory efficiency and computational complexity of operations on the flowgraph. The measures related to space and time efficiency were also included.

Keywords

Flowgraph Route reconstruction Complexity Video surveillance 

Notes

Acknowledgments

This work has been partially funded by the Artemis JU and by the Polish National Centre for Research and Development (NCBR) as part of the COPCAMS project (http://copcams.eu) under GA number 332913.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  1. 1.Multimedia Systems DepartmentGdansk University of TechnologyGdanskPoland

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