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Romansy 16 pp 439-446 | Cite as

Hand image interpretation based on double active contour tracking

  • Włodzimierz Kasprzak
  • Piotr Skrzynski
Part of the CISM Courses and Lectures book series (CISM, volume 487)

Abstract

We propose an approach to hand sign interpretation in image that is based on active contour tracking. We can decompose our approach into 5 steps: a color-based skin pixel detection, a double hand contour detection, the localization of fingers and palm (the hand description generation), the detection of a final position (with respect to considered signs) and finally, the interpretation of a single position or a sequence of positions in terms of a hand sign. We employ a double active contour-based finger and palm localization in the image and a subsequent interpretation in terms of signs. As a final result, 21 different signs are recognized, that correspond to hand positions (i.e. the visibility of palm, fingers and thumb).

Keywords

Active Contour Active Contour Model Initial Contour Contour Point Gradient Vector Flow 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© CISM, Udine 2006

Authors and Affiliations

  • Włodzimierz Kasprzak
    • 1
  • Piotr Skrzynski
    • 1
  1. 1.Institute of Control and Computation Eng.Warsaw University of TechnologyWarsawPoland

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