Journal article
A geometric basis for measurement of three-dimensional eye position using image processing
Vision Research, Vol.36(3), pp.445-459
1996
Abstract
Polar cross correlation is commonly used for determination of ocular torsion from video images, but breaks down at eccentric positions if the spherical geometry of the eye is not considered. We have extended this method to allow three-dimensional eye position measurement over a range of±20 deg by determining the correct projection of the eye onto the image plane of the camera. We also determine the orientation of the camera with respect to the eye, allowing eye position to be represent ed in appropriate head-fixed coordinates. These algorithms have been validated using both in vitro and in vivo measures of eye position.
Details
- Title
- A geometric basis for measurement of three-dimensional eye position using image processing
- Authors
- S T Moore (Author) - University of SydneyT Haslwanter (Author) - University of SydneyI S Curthoys (Author) - University of SydneyStuart T Smith (Author) - University of Sydney
- Publication details
- Vision Research, Vol.36(3), pp.445-459
- Publisher
- Pergamon
- Date published
- 1996
- DOI
- 10.1016/0042-6989(95)00130-1
- ISSN
- 0042-6989
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99449260702621
- Output Type
- Journal article
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- Domestic collaboration
- Web Of Science research areas
- Neurosciences
- Ophthalmology
- Psychology
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Source: InCites