Abstract
One of the most prevalent causes of visual loss and blindness is glaucoma. Conventionally, instrument-based tools are employed for glaucoma screening. However, they are inefficient, time-consuming, and manual. Hence, computerized methodologies are needed for fast and accurate diagnosis of glaucoma. Therefore, we proposed a Computer-Aided Diagnosis (CAD) method for the classification of glaucoma stages using Image Empirical Mode decomposition (IEMD). In this study, IEMD is applied to decompose the preprocessed fundus photographs into different Intrinsic Mode Functions (IMFs) to capture the pixel variations. Then, the significant texture-based descriptors have been computed from the IMFs. A dimensionality reduction approach called Principal Component Analysis (PCA) has been employed to pick the robust descriptors from the retrieved feature set. We used the Analysis of Variance (ANOVA) test for feature ranking. Finally, the LS-SVM classifier has been employed to classify glaucoma stages. The proposed CAD system achieved a classification accuracy of 94.45% for the binary classification on the RIM-ONE r12 database. Our approach demonstrated better glaucoma classification performance than the existing automated systems.
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Acknowledgements
The authors are grateful to Dr. J. Raykawar (Government Hospital, Ratlam) for providing a collection of fundus photos and clinical support for our study. This work is an outcome of the research and development project under the Technical Education Quality Improvement Program, A National Project Implementation Department of the Ministry of Education, the Government of India, to implement World Bank–supported projects in the technical field.
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Parashar, D., Agrawal, D.K. Classification of Glaucoma Stages Using Image Empirical Mode Decomposition from Fundus Images. J Digit Imaging 35, 1283–1292 (2022). https://doi.org/10.1007/s10278-022-00648-1
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DOI: https://doi.org/10.1007/s10278-022-00648-1