Heart Signal Analysis Using Multistage Classification Denoising Model

Table 4

Comparison with existing methods.

Author (year)	Feature extraction	Classification method	Accuracy (%)
Yaseen et al. (2018) [6]	MFCC and DWT	SVM, KNN, and DNN	97.9
Ghosh et al. (2019) [2]	Wavelet synchrosqueezing transform	Random forest (RF) classifier	98.5
Bhagel et al. (2020) [21]	Data augmentation	CNN	98.6
Ranipa et al. (2021) [22]	MFCC, mel-spectrum, and spectrum contrast	CNN	98.5
Jain et al. (2023) [24]	DWT	CNN	98.6
Proposed method	DWT	CNN and LSTM	98.9