Methods
Data preparation, preprocessing and the signal quality gate.
Preprocessing
Each lead is band-pass filtered between 0.5 and 40 Hz, then resampled to 500 Hz. The filter is a zero-phase Butterworth of order .
The model card is attached as model-card.json.
Reused figures
Images can come from any page. This one is the parent page’s confusion matrix, referenced relatively:

And this one is referenced from the site root:
Raw HTML works too: metrics CSV via HTML link.
In this section
Signal quality gate
Recordings with a signal quality index below 0.6 are excluded.