2011
DOI: 10.1088/1742-6596/274/1/012039
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Retinal image analysis: preprocessing and feature extraction

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Cited by 29 publications
(20 citation statements)
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“…In the subsequent phases, the refinement techniques results in the removal of some other parts that contain useful information about the retina health. This approach is also used in (Marrugo and Millan 2011) but reinforced by a principle component analysis (PCA) model to enhance the detection of the foreground objects and avoid any bias to the background region.…”
Section: Problem Statement and Motivationmentioning
confidence: 99%
“…In the subsequent phases, the refinement techniques results in the removal of some other parts that contain useful information about the retina health. This approach is also used in (Marrugo and Millan 2011) but reinforced by a principle component analysis (PCA) model to enhance the detection of the foreground objects and avoid any bias to the background region.…”
Section: Problem Statement and Motivationmentioning
confidence: 99%
“…The novelty in our approach is in the strategy based on eye-domain knowledge for identifying the nonvalid local PSFs and replacing them with appropriate ones. Even though methods for processing retinal images in a spacedependent way (like locally adaptive filtering techniques 15,16 ) have been proposed in the literature; to the best of our knowledge, this is the first time a method for SV deblurring of retinal images is proposed.…”
Section: Contributionmentioning
confidence: 99%
“…This algorithm was described in Ref. 15 and is based on a simple model of degradation proposed by Foracchia et al 16 The main idea is that the image can be enhanced by estimating the background luminosity and contrast distribution in order to compensate for uneven illumination. Therefore, the enhanced image U (x, y) is expressed as:…”
Section: Preprocessing Of Retinal Imagesmentioning
confidence: 99%