Robust Correspondenceless 3-D Iris Location for Immersive Environments

  • Emanuele Trucco
  • Tom Anderson
  • Marco Razeto
  • Spela Ivekovic
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3617)

Abstract

We present a system locating the contour of an iris in space using robust active ellipse search and correspondenceless stereo. Robust iris location is the basis for gaze estimation and tracking, and, as such, an essential module for augmented and virtual reality environments. The system implements a robust active ellipse search based on a multi-scale contour detection model. The search is carried out by a simulated annealing algorithm, guaranteeing excellent performance in spite of heavy occlusions due to blinking, uncontrolled lighting, erratic target motion, and reflections of unpredictable scene elements. Stereo correspondence is avoided altogether by intersecting conjugate epipolar lines with the located ellipses. Experiments on synthetic and real images indicate very good performance of both location and reconstruction modules.

Keywords

Stereo Pair Active Ellipse Virtual Reality Environment Epipolar Line View Synthesis 
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

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Emanuele Trucco
    • 1
  • Tom Anderson
    • 1
  • Marco Razeto
    • 1
  • Spela Ivekovic
    • 1
  1. 1.EECE-EPSHeriot Watt UniversityRiccarton, EdinburghUK

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