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T-VesselNet and GEMFNet: A transformer-based multi-scale fusion framework with graph enhancements for accurate and efficient retinal disease classification

Publication Type : Journal Article

Publisher : Elsevier BV

Source : Biomedical Signal Processing and Control

Url : https://doi.org/10.1016/j.bspc.2025.108598

Keywords : Deep learning, Ophthalmic diagnostics, Retinal image analysis, Transformer networks

Campus : Chennai

School : School of Computing

Department : Computer Science and Engineering

Year : 2026

Abstract : Automated retinal disease diagnosis has emerged as a pivotal innovation in modern ophthalmology, promising to enhance clinical workflows and patient management. While existing diagnostic systems show potential, they often lack the precision, generalizability, and computational efficiency needed for real-world deployment. This study aims to overcome these limitations by developing an advanced deep learning framework for robust and efficient retinal disease classification. The proposed methodology integrates three key components: a Transformer-based VesselNet (T-VesselNet) for enhanced feature extraction, ChannelNet for optimized information flow, and a Graph-Enhanced Multi-Scale Fusion Network (GEMFNet) to capture hierarchical retinal patterns. Furthermore, a novel Neuroweb Optimizer dynamically adjusts hyperparameters—including filter size, kernel dimensions, and layer-wise neuron allocation—to maximize model performance. When evaluated on four benchmark datasets (DRIVE, STARE, CHASE_DB1, and HRF), the model achieves state-of-the-art performance, with accuracy (98.7 %), sensitivity (96.2 %), specificity (99.1 %), and Dice coefficient (97.4 %). The system’s real-time segmentation capability (0.23 s per image) demonstrates strong clinical applicability. These findings establish the framework as a transformative solution that bridges the gap between algorithmic innovation and clinical implementation. By enabling earlier, more reliable disease detection, this research not only improves diagnostic outcomes but also sets a new benchmark for AI-assisted ophthalmology practice.

Cite this Research Publication : Krishnakumar Subramaniam, Archana Naganathan, T-VesselNet and GEMFNet: A transformer-based multi-scale fusion framework with graph enhancements for accurate and efficient retinal disease classification, Biomedical Signal Processing and Control, Elsevier BV, 2026, https://doi.org/10.1016/j.bspc.2025.108598

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