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Alfredo Ruggeri

Researcher at University of Padua

Publications -  129
Citations -  3777

Alfredo Ruggeri is an academic researcher from University of Padua. The author has contributed to research in topics: Image segmentation & Fundus (eye). The author has an hindex of 28, co-authored 127 publications receiving 3402 citations.

Papers
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Journal ArticleDOI

Detection of optic disc in retinal images by means of a geometrical model of vessel structure

TL;DR: A new method to identify the position of the optic disc (OD) in retinal fundus images using the set of 81 images from the STARE project, containing images from both normal and pathological subjects.
Journal ArticleDOI

Luminosity and contrast normalization in retinal images.

TL;DR: The proposed image normalization technique will definitely improve automatic fundus images analysis but will also be very useful to eye specialists in their visual examination of retinal images.
Journal ArticleDOI

A Novel Method for the Automatic Grading of Retinal Vessel Tortuosity

TL;DR: A new algorithm for the evaluation of tortuosity in vessels recognized in digital fundus images is proposed, based on partitioning each vessel in segments of constant-sign curvature and then combining together each evaluation of such segments and their number.
Proceedings ArticleDOI

A divide et impera strategy for automatic classification of retinal vessels into arteries and veins

TL;DR: A new algorithm for classifying the vessels is developed, which exploits the peculiarities of retinal images, and a divide et impera approach that partitioned a concentric zone around the optic disc into quadrants was able to perform a more robust local classification analysis.