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cs.CV2026
Reassessing Global Gradient-Norm Imbalance in BLIP Fine-Tuning Across Physical Domains
Kiran Naseer, Samreen Azhar, Dwarikanath Mahapatra
Imbalanced gradient magnitudes between the visual and language pathways of a vision-language model are often treated as a defect to be corrected. We test that premise for one famil…
cs.CV2026
MedFL-Stress: A Systematic Robustness Evaluation of Federated Brain Tumor Segmentation under Cross-Hospital MRI Appearance Shift
Kiran Naseer, Naveed Anwer Butt
Federated learning lets hospitals train segmentation models without sharing patient data, but standard evaluation reports one number: mean Dice across all sites. That number can lo…