An unsupervised CWT-LSTM autoencoder trained only on LIGO O4 noise reaches 97.0% precision and 96.1% recall on 102 confirmed gravitational wave events, and the study shows cross-run calibration differences distort multi-run training.
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Template-Free Gravitational Wave Detection with CWT-LSTM Autoencoders: A Case Study of Run-Dependent Calibration Effects in LIGO Data
An unsupervised CWT-LSTM autoencoder trained only on LIGO O4 noise reaches 97.0% precision and 96.1% recall on 102 confirmed gravitational wave events, and the study shows cross-run calibration differences distort multi-run training.