Title
A multiscale optimization approach to detect exudates in the macula
Date Issued
01 January 2014
Access level
metadata only access
Resource Type
journal article
Author(s)
Agurto C.
Yu H.
Wigdahl J.
Pattichis M.
Nemeth S.
Barriga E.S.
Soliz P.
Publisher(s)
Institute of Electrical and Electronics Engineers Inc.
Abstract
Pathologies that occur on or near the fovea, such as clinically significant macular edema (CSME), represent high risk for vision loss. The presence of exudates, lipid residues of serous leakage from damaged capillaries, has been associated with CSME, in particular if they are located one optic disc-diameter away from the fovea. In this paper, we present an automatic system to detect exudates in the macula. Our approach uses optimal thresholding of instantaneous amplitude (IA) components that are extracted from multiple frequency scales to generate candidate exudate regions. For each candidate region, we extract color, shape, and texture features that are used for classification. Classification is performed using partial least squares (PLS). We tested the performance of the system on two different databases of 652 and 400 images. The system achieved an area under the receiver operator characteristic curve (AUC) of 0.96 for the combination of both databases and an AUC of 0.97 for each of them when they were evaluated independently. © 2013 IEEE.
Start page
1328
End page
1336
Volume
18
Issue
4
Language
English
OCDE Knowledge area
Oftalmología
Ingeniería médica
Subjects
Scopus EID
2-s2.0-84904277436
PubMed ID
Source
IEEE Journal of Biomedical and Health Informatics
ISSN of the container
21682194
Sponsor(s)
Instituto Nacional del Ojo EY020015
Instituto Nacional del Ojo R43EY020015, RC3EY020749 NEI
Sources of information:
Directorio de Producción Científica
Scopus