Diagnostic Quality Assessment of Ocular Fundus Photographs: Efficacy of Structure-Preserving ScatNet Features

C, Dev and M S, Sharang and Jana, Soumya and et al, . (2019) Diagnostic Quality Assessment of Ocular Fundus Photographs: Efficacy of Structure-Preserving ScatNet Features. In: 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC, 23-27 July 2019, Berlin, Germany.

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Abstract

Various ophthalmic procedures critically depend on high-quality images. For instance, efficiency of teleophthalmology, a framework to bring advanced eye care to remote regions, is determined by the capability of assessing diagnostic quality of ocular fundus photographs (FPs), and rejecting poor-quality ones at the source. In this context, we study algorithmic methods of classifying high-and low-quality FPs. Crucially, diagnostic quality (DQ) -determined by clinically, but not necessarily perceptually, significant structures -is not synonymous with perceptual appeal. Yet, traditional methods handpick features individually (or in small subsets) to meet certain ad hoc perceptual requirements. In contrast, we investigate the efficacy of a comprehensive set of structure-preserving features, systematically generated by a deep scattering network (ScatNet). Specifically, we consider three advanced machine learning classifiers, train each using ScatNet as well as traditional features separately, and demonstrate that the former ensure significantly superior performance for each classifier under multiple criteria including classification accuracy.

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IITH Creators:
IITH CreatorsORCiD
Jana, SoumyaUNSPECIFIED
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Indexed in Scopus
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 03 Feb 2020 09:15
Last Modified: 03 Feb 2020 09:15
URI: http://raiith.iith.ac.in/id/eprint/7398
Publisher URL: http://doi.org/10.1109/EMBC.2019.8857046
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