GS-Net: Global Self-Attention Guided CNN for Multi-Stage Glaucoma Classification

• URL: http://arxiv.org/abs/2409.16082v1
• Date: Tue, 24 Sep 2024 13:30:38 GMT
• Title: GS-Net: Global Self-Attention Guided CNN for Multi-Stage Glaucoma Classification
• Authors: Dipankar Das, Deepak Ranjan Nayak,
• Abstract summary: Glaucoma is a common eye disease that leads to irreversible blindness unless timely detected. This paper proposes a global self-attention based network called GS-Net for efficient multi-stage glaucoma classification.
• Score: 3.7942836520893017
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Glaucoma is a common eye disease that leads to irreversible blindness unless timely detected. Hence, glaucoma detection at an early stage is of utmost importance for a better treatment plan and ultimately saving the vision. The recent literature has shown the prominence of CNN-based methods to detect glaucoma from retinal fundus images. However, such methods mainly focus on solving binary classification tasks and have not been thoroughly explored for the detection of different glaucoma stages, which is relatively challenging due to minute lesion size variations and high inter-class similarities. This paper proposes a global self-attention based network called GS-Net for efficient multi-stage glaucoma classification. We introduce a global self-attention module (GSAM) consisting of two parallel attention modules, a channel attention module (CAM) and a spatial attention module (SAM), to learn global feature dependencies across channel and spatial dimensions. The GSAM encourages extracting more discriminative and class-specific features from the fundus images. The experimental results on a publicly available dataset demonstrate that our GS-Net outperforms state-of-the-art methods. Also, the GSAM achieves competitive performance against popular attention modules.

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