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Perspective error compensation of pupillography using glint images

Authors:
InBum Lee
Seoul National University, Seoul, South Korea
,
KwangSuk Park
Seoul National University, Seoul, South Korea
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Published: 27 March 2006 Publication History

Abstract

This paper suggests a new method to compensate perspective error in measuring real size of pupil of pupillography for pupil light response. To get real size of pupil, the distance between cornea and camera should be calculated. The glints on the eye of the image were used to estimate the distance. The suggested method was validated using telecentric lens.

Reference

[1]
Helmut, W. and Barbara W. 2003. Clinical Applications of Pupillography, J Neuro-Ophthalmol, 23, 1, 42--49

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cover image ACM Conferences
ETRA '06: Proceedings of the 2006 symposium on Eye tracking research & applications
March 2006
175 pages
ISBN:1595933050
DOI:10.1145/1117309
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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 27 March 2006

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ETRA06
ETRA06: Eye Tracking Research and Applications
March 27 - 29, 2006
California, San Diego

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References

References

[1]
Helmut, W. and Barbara W. 2003. Clinical Applications of Pupillography, J Neuro-Ophthalmol, 23, 1, 42--49