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Proceedings Paper

Multispectral imaging of the ocular fundus using LED illumination
Author(s): N. L. Everdell; I. B. Styles; E. Claridge; J. C. Hebden; A. S. Calcagni
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Paper Abstract

We present preliminary data from an imaging system based on LED illumination for obtaining sequential multispectral optical images of the human ocular fundus. The system is capable of acquiring images at speeds of up to 20fps and we have demonstrated that the system is fast enough to allow images to be acquired with minimal inter-frame movement. Further improvements have been identified that will improve both imaging speed and image quality. The long-term goal is to use the system in conjunction with novel image analysis algorithms to extract chromophore concentrations from images of the ocular fundus, with a particular emphasis on age-related macular degeneration. The system has also found utility in fluorescence microscopy.

Paper Details

Date Published: 9 July 2009
PDF: 6 pages
Proc. SPIE 7371, Novel Optical Instrumentation for Biomedical Applications IV, 73711C (9 July 2009); doi: 10.1117/12.831769
Show Author Affiliations
N. L. Everdell, Univ. College London (United Kingdom)
I. B. Styles, Univ. of Birmingham (United Kingdom)
E. Claridge, Univ. of Birmingham (United Kingdom)
J. C. Hebden, Univ. College London (United Kingdom)
A. S. Calcagni, Univ of Birmingham (United Kingdom)


Published in SPIE Proceedings Vol. 7371:
Novel Optical Instrumentation for Biomedical Applications IV
Christian D. Depeursinge; I. Alex Vitkin, Editor(s)

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