Title :
Enhancement of signal processing technique for quantification of non-deterministic events of pathological heart signals using wavelet transform
Author :
Priyadharshini, V. ; Justin, Judith
Author_Institution :
Dept. of Biomed. Instrum. Eng., Avinashilingam Univ., Coimbatore, India
Abstract :
Cardiovascular function can be evaluated effectively using the heart signals. The Heart Sound plays an important role in diagnosis of various pathological conditions like cavitations, stenosis, and regurgitation. Pathological conditions can be effectively quantified by using enhanced signal processing techniques like wavelet transform. This article deals with the analysis of various wavelet transforms like orthogonal (daubicheus, symlet and coiflet) and biorthogonal (bior and reverse bior) wavelets, which best detects the peak of sound S1. It also analyze the wavelets that quantifies the non-deterministic events that gives greater accuracy.
Keywords :
cavitation; medical signal processing; wavelet transforms; cardiovascular function; cavitations; heart sound; nondeterministic events quantification; pathological conditions; pathological heart signals; regurgitation; signal processing technique enhancement; stenosis; wavelet transform; Heart; Mathematical model; Pathology; Valves; Wavelet analysis; Wavelet transforms; cavitation; orthogonal wavelet and biorthogonal wavelet; regurgitation; stenosis;
Conference_Titel :
Green Computing Communication and Electrical Engineering (ICGCCEE), 2014 International Conference on
Conference_Location :
Coimbatore
DOI :
10.1109/ICGCCEE.2014.6922269