M. A. Pena

Performance of two adaptive subband filtering schemes for processing fetal phonocardiograms: influence of the wavelet and the level of decomposition

M. R. Ortiz, S. Charleston, A. Jimenez, 2000, Computers in Cardiology 2000. Vol.27 (Cat. 00CH37163).

The use of wavelet packets to improve the detection of cardiac sounds from the fetal phonocardiogram

M. R. Ortiz, S. Charleston, A. Jimenez, 1999, Computers in Cardiology 1999. Vol.26 (Cat. No.99CH37004).