Federated deepfake Grad-CAM faithfulness collapses at extreme heterogeneity
An EfficientNet-B4 on FaceForensics++ matches a centralized baseline until client data is extremely non-IID, when explanations turn misleading.
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An EfficientNet-B4 on FaceForensics++ matches a centralized baseline until client data is extremely non-IID, when explanations turn misleading.
SHAP and Grad-CAM link predictions to vibrato and pharyngeal technique, while singing-specific features reduce cross-singer variability.
The hybrid detector reached 97.2% training accuracy, but the strongest feature-space attack succeeded 78.7% of the time.
ICS sparsifies wireless split-learning features with server-side Grad-CAM scores, cutting communication cost.
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