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. Author manuscript; available in PMC: 2023 Dec 22.
Published in final edited form as: Annu Int Conf IEEE Eng Med Biol Soc. 2023 Jul;2023:1–4. doi: 10.1109/EMBC40787.2023.10340160

TABLE I.

Signal-to-noise ratio (dB) of different methods.

Subject Raw Data Denoising Method
PCA - 1 PCA - 3 K-SVD
PI 3.09 12.81 20.15 20.87
P2 1.96 19.33 14.90 17.54
P3 1.19 19.05 22.03 22.57
P4 1.31 14.27 17.42 21.72