Improving Calibration of 3-D Video Oculography Systems

Kai Schreiber, Thomas Haslwanter

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Eye movement recordings with video-based techniques have become very popular, as long as they are restricted to the horizontal and vertical movements of the eye. Reliable measurement of the torsional component of eye movements, which is especially important in the diagnosis and investigation of pathologies, has remained a coveted goal. One of the main reasons is unresolved technical difficulties in the analysis of video-based images of the eye. Based on simulations, we present solutions to two of the primary problems: a robust and reliable calibration of horizontal and vertical eye movement recordings, and the extraction of suitable iris patterns for the determination of the torsional eye position component.

Original languageEnglish
Pages (from-to)676-679
Number of pages4
JournalIEEE Transactions on Biomedical Engineering
Issue number4
Publication statusPublished - Apr 2004


  • Biomedical image processing
  • Eye movements
  • Image analysis
  • Video-oculography
  • Motion
  • Image Interpretation, Computer-Assisted/instrumentation
  • Reproducibility of Results
  • Humans
  • Calibration/standards
  • Rotation
  • Eye Movements/physiology
  • Algorithms
  • Video Recording/instrumentation
  • Models, Biological
  • Sensitivity and Specificity
  • Image Enhancement/instrumentation
  • Imaging, Three-Dimensional/instrumentation

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