Softmax energy, a modified out-of-distribution score, improves open-set source tracing of audio deepfake systems, achieving a 31% relative FPR95 reduction and best FPR95 of 8.3% with augmentation.
[19] introduced Energy-based Open-World Soft- max which adds an output logit to estimate the model’s uncer- tainty
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Open-Set Source Tracing of Audio Deepfake Systems
Softmax energy, a modified out-of-distribution score, improves open-set source tracing of audio deepfake systems, achieving a 31% relative FPR95 reduction and best FPR95 of 8.3% with augmentation.