Abstract
Retinal fundus images are non-invasively acquired and hence, degraded in quality by inconsistent contrast, noise, varying illumination and hue. These visual complexities obstruct Ophthalmologists from accurate and timely analysis and diagnosis of eye-related diseases at an early stage to prevent premature loss of vision and sudden blindness. Several enhancement techniques have been proposed, but many of the enhanced images suffer the loss of information, colour imbalance and distortion. To this end, this paper presents contrast and luminous enhancement technique, including pitfalls to avoid to prevent further image degradation instead of improvement. The proposed method is evaluated on the DRIVE dataset, and the performance is measured by the statistical Intersection, Correlation and Chi-Square distance functions.
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Sule, O.O. (2022). Analysis of Contrast and Luminous Enhancement Algorithms on Colour Retinal Fundus Images. In: Abraham, A., et al. Proceedings of the 13th International Conference on Soft Computing and Pattern Recognition (SoCPaR 2021). SoCPaR 2021. Lecture Notes in Networks and Systems, vol 417. Springer, Cham. https://doi.org/10.1007/978-3-030-96302-6_38
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DOI: https://doi.org/10.1007/978-3-030-96302-6_38
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