S. Hadiyoso, I. Wijayanto, A. Rizal, and S. . Aulia, “BIOMETRIC SYSTEMS BASED ON ECG USING ENSEMBLE EMPIRICAL MODE DECOMPOSITION AND VARIATIONAL MODE DECOMPOSITION”, JAES, vol. 18, no. 2, pp. 181–191, May 2020, doi: 10.5937/jaes18-26041.