Preprocessed from the Chapman-Shaoxing 12-lead ECG Database.
45,150 patients, 180,600 windows. Lead II, 128Hz, 4s windows (512 samples), 50% overlap.
patient_id
string
Record ID (e.g. JS00001)
window
list[float32]
512-sample ECG (4s@128Hz, Lead II)… See the full description on the dataset page:
https://huggingface.co/datasets/dheraingoud/chapman-ecg-windows.