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Opt Express. 1998 Aug 31;3(5):190-7.

A fast, robust pattern recognition asystem for low light level image registration and its application to retinal imaging.


We describe an image processing system which we have developed to align autofluorescence and high-magnification images taken with a laser scanning ophthalmoscope. The low signal to noise ratio of these images makes pattern recognition a non-trivial task. However, once n images are aligned and averaged, the noise levels drop by a factor of n and the image quality is improved. We include examples of autofluorescence images and images of the cone photoreceptor mosaic obtained using this system.


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