Enhancement of retinal images: a critical evaluation of the technology

Eli Peli

doi:10.1117/12.157943

22 October 1993 Enhancement of retinal images: a critical evaluation of the technology

Eli Peli

Proceedings Volume 2094, Visual Communications and Image Processing '93; (1993) https://doi.org/10.1117/12.157943
Event: Visual Communications and Image Processing '93, 1993, Cambridge, MA, United States

Abstract

Evaluation of retinal images is essential to modern ophthalmic care. With the advent of image processing equipment, digital recording and processing of retinal images is starting to replace the standard film based fundus photography. The ability to enhance images is cited as one of the major benefits of this expensive technology. This paper critically reviews the practices employed in the image enhancement literature. It is argued that the papers published to date have not presented convincing evidence regarding the diagnostic value of retinal image enhancement. The more elaborate studies in radiology suggest, at best, modest diagnostic improvement with enhancement. The special difficulties associated with the demonstration of an improved diagnosis in ophthalmic imaging are discussed in terms of the diagnostic task and the selection of study populations.

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Eli Peli "Enhancement of retinal images: a critical evaluation of the technology", Proc. SPIE 2094, Visual Communications and Image Processing '93, (22 October 1993); https://doi.org/10.1117/12.157943

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KEYWORDS

Image enhancement

Image processing

Diagnostics

Photography

Radiology

Eye

Visibility

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