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Retinal Image Preprocessing: Background and Noise Segmentation

Author(s): Usman Akram

ISSN 1693-6930

Volume: 10;
Issue: 3;
Date: 2012;
Original page

Keywords: Diabetic retinopathy | Preprocessing | Background segmentation | Noise segmentation

Retinal images are used for the automated screening and diagnosis of diabetic retinopathy. The retinal image quality must be improved for the detection of features and abnormalities and for this purpose preprocessing of retinal images is vital. In this paper, we present a novel automated approach for preprocessing of colored retinal images. The proposed technique improves the quality of input retinal image by separating the background and noisy area from the overall image. It contains coarse segmentation and fine segmentation. Standard retinal images databases Diaretdb0, Diaretdb1, DRIVE and STARE are used to test the validation of our preprocessing technique. The experimental results show the validity of proposed preprocessing technique.
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