INVESTIGATION OF DISCRETE WAVELET TRANSFORM DOMAIN OPTIMAL PARAMETRIC APPROACH FOR DENOISING OF PHONOCARDIOGRAM SIGNAL - GHOSH, SAMIT KUMAR; PONNALAGU, R. N. (Journal of mechanics in medicine and biology, 2022)
Keywords: Decomposition; Discrete Wavelet Transform; Heart valves; Noise reduction; Optimization; Parametric statistics; Performance evaluation; Phonocardiography; Process parameters; Root-mean-square errors; Signal quality; Signal to noise ratio; Wavelet transforms; denoising; thresholding; Discrete wavelet transform; phonocardiogram signal; decomposition level; signal-to-noise ratio