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Table 2 Effectiveness of the proposed method in restoring the peak-to-peak values of IR 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

8294.3 ± 534.8

6502.2 ± 703.0

1754.1 ± 367.4

4218.9 ± 642.5

3886.2 ± 602.0

PPG with MA

8204.5 ± 931.4

6728.7 ± 1072.8

2879.1 ± 1028.0

5293.5 ± 1888.5

4549.3 ± 829.2

Recovered PPG Using FFT-LMS

8316.7 ± 1232.4

6235.9 ± 1376.3

2674.8 ± 721.2

4941.6 ± 1325.9

4464.9 ± 1057.8

Recovered PPG Using MAF

7238.4 ± 1057.3

5824.3 ± 1167.4

2485.8 ± 817.2

4556.4 ± 1353.5

3970.6 ± 816.2

Recovered PPG Using cICA-LMS

8091.4 ± 780.5

6299.5 ± 835.9

2129.2 ± 258.0

4806.2 ± 942.1

4125.6 ± 888.9

  1. Data are expressed as mean ± SD. The values in the tables are dimensionless, this does not influence the calculation of SpO2.