arxivcs.SDcs.AI2026-07-05
Training-Free Model Selection and Domain-Aware Score Calibration for First-Shot Anomalous Sound Detection
First-shot anomalous sound detection in DCASE Challenge Task 2 must flag anomalies of unseen machine types with a single threshold, without knowing whether a test clip comes from the data-rich source domain (990 normal training clips) or the data-scarce target domain (10). Two or…