Modelling retinal photoreceptor directionality in the human eye
Chao, Christopher, Iskander, D. Robert, Collins, Michael J., & Bennamoun, Mohammed (2000) Modelling retinal photoreceptor directionality in the human eye. In Australasian Workshop on Signal Processing Applications, December 2000, Brisbane, Australia.
Retinal photoreceptors are essentially directed towards the centre of the eye’s pupil. It was suggested that the photoreceptors directionality is linked to the optical aberrations induced by the cornea and crystalline lens in the eye in a way that the total system performance isoptimised. We show that cone irectionality can be modelled using a two-dimensional Gaussian function whose parameters vary according to the measured monochromatic aberrations of the eye. Our modelling is based on a hypothesis that cones directionality is optimised so that the resulting retinal image quality is maximised. This methodology can also be used in automatic image enhancement systems for correcting higher-order aberrations.
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|Item Type:||Conference Paper|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
|Copyright Owner:||Copyright 2000 (please consult author)|
|Deposited On:||06 May 2005|
|Last Modified:||09 Jun 2010 22:23|
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