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INTERNATIONAL JOURNAL OF APPLIED BIOMEDICAL ENGINEERING VOL.3, NO.1 2010 31<br />

Normal ECG signals with baseline wander-<br />

Fig.15:<br />

ing.<br />

[3] B. Natwong, P. Sooraksa, C. Pintavirooj,<br />

S. Bunluechokchai, and W. Ussawawongaraya,<br />

<strong>Wavelet</strong> Entropy Analysis of the High Resolution<br />

ECG, ICIEA The 1st IEEE Conference on Industrial<br />

Electronics and Applications, May 2006.<br />

[4] S. Gilberto, F. Thomas, R. Lutz, MR. Antoni,<br />

M. Markku, B. Klaus, B. Martin, and B. Gfinter,<br />

Multiresolution decomposition of the signalaveraged<br />

ECG using the mallat approach for prediction<br />

of arrhythmic events after myocardial infarction,<br />

Journal of Electrocardiology, vol. 29,<br />

no. 3, pp. 223-234, 1996.<br />

[5] M. Boutaa, F. Bereksi-Reguig, and S.M.A. Debbal,<br />

ECG signal processing using multiresolution<br />

analysis, Journal of Medical Engineering &<br />

Technology, vol. 32, no. 6, pp. 466-478, November/December<br />

2008.<br />

[6] S. Bunluechokchai, M.J. English, Detection of<br />

wavelet transform-processed ventricular late potentials<br />

and approximate entropy, IEEE Computers<br />

in Cardiology, pp. 549-552, 2003.<br />

[7] S. Bunluechokchai, M.J. English, Analysis of the<br />

high resolution ECG with the continuous wavelet<br />

transform, IEEE Computers in Cardiology, pp.<br />

553-556, 2003.<br />

[8] H. Dickhaus, L. Khadra, J. Brachmann, Tim-<br />

Frequency Analysis of Ventricular Late Potential,<br />

Methods of Information in Medicine, 33, pp.<br />

187-195, 1994.<br />

[9] I. Gutiu, Ventricular Late Potentials Part I<br />

Techniques, Detection, Interpretation, REV.<br />

ROUM. MED. INT., 31, pp. 79-87, 1993.)<br />

[10] E.G. Vester, B.E. Stauer, Ventricular late potentials:<br />

state of the art and future perspectives, European<br />

Heart Journal, vol. 15 (Supplement C),<br />

pp. 34-48, 1994.<br />

Fig.16: The synthesized XYZ leads after baseline<br />

wandering removal in Figure 15.<br />

Fig.17: The vector magnitude computed from the<br />

synthesized XYZ leads in Figure 16.<br />

C. Bunluechokchai received the B.Sc.<br />

degree (Honour) in Radiological Technology<br />

and the M.Sc. degree in Biomedical<br />

Instrumentation from Mahidol University,<br />

Thailand, in 1985 and 1989, respectively.<br />

He received the D.Phil. degree<br />

in Biomedical Engineering form the<br />

University of Sussex, United Kingdom in<br />

2003. He is currently an assistant professor<br />

in the Department of Industrial<br />

Physics and Medical Instrumentation at<br />

the King Mongkut’s University of Technology North Bangkok<br />

(KMUTNB). His research interests are in the areas of biomedical<br />

signal processing and biomedical instrumentation.

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