A Hybrid Federated Learning Based Ensemble Approach for Lung Disease Diagnosis Leveraging Fusion of SWIN Transformer and CNN. - Asif Hasan Chowdhury; Md. Fahim Ul Islam; M. Ragib Anjum Riad; Faiyaz Bin Hashem; Md Tanzim Reza; Md. Golam Rabiul Alam (CoRR, 2026)