Dataset with AFIB, SB and Normal ratings at 250Hz, derivation I (DI)

<p> This dataset contains 1780 samples of AFIB, SB and Normal signals, derivation I (DI), totaling 5,340. Their data were acquired from the dataset "A large scale 12-lead electrocardiogram database for arrhythmia study" and "PTB-XL, a large publicly available electrocardiography dataset", available on the Physionet platform. </p> <br> <strong>Filters performed</strong>: <br> <ul> <li>Electric power supply 50Hz notch (IIR)</li> <li>Butterworth bandpass 0.05Hz to 30Hz, FIR, order 4</li> <li>LOESS smoothing</li> <li>Cubic interpolation (500Hz to 250Hz)</li> <li>Displacement</li> <li>Butterworth bandpass 0.05Hz to 30Hz, FIR, order 2</li> </ul>