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Table 1 Effectiveness of the proposed method in restoring the peak-to-peak values of red channel PPG

From: Motion artifact removal from photoplethysmographic signals by combining temporally constrained independent component analysis and adaptive filter

  Vertical movement Horizontal movement Bending finger Pressurizing probe clip Waving hand
PPG without MA 7009.0 ± 408.3 4377.5 ± 435.8 792.7 ± 215.8 2843.4 ± 411.1 2708.0 ± 428.1
PPG with MA 6247.8 ± 840.8 4501.6 ± 886.0 1805.4 ± 1076.2 3890.1 ± 2020.7 3278.4 ± 821.1
Recovered PPG Using FFT-LMS 6412.6 ± 1058.3 4159.3 ± 1018.9 1836.7 ± 1029.0 3587.8 ± 1494.2 3224.3 ± 894.5
Recovered PPG Using MAF 5431.1 ± 939.5 4098.5 ± 856.4 1549.4 ± 846.2 3216.7 ± 1440.6 2855.4 ± 642.8
Recovered PPG Using cICA-LMS 6284.6 ± 606.3 4196.2 ± 688.9 971.2 ± 338.1 3181.4 ± 473.4 2735.3 ± 589.5
  1. Data are expressed as mean ± SD. The values in the tables are dimensionless, this does not influence the calculation of SpO2.