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Table 2 Average SIR (dB) for 3 components with the same distribution excluding 1 Gaussian source, after k=40 iterations

From: Orthogonal approach to independent component analysis using quaternionic factorization

 

QICA

Symm. FastICA

Deflat. FastICA

JADE

PDF

POW3

TANH

GAUSS

POW3

TANH

GAUSS

POW3

TANH

GAUSS

 

Uniform

29.46

28.65

28.58

26.99

27.22

27.35

28.02

26.90

26.81

29.38

BPSK

31.82

31.86

31.86

30.25

31.54

31.60

34.18

34.12

34.12

31.83

GG(3.0)

19.73

20.01

19.89

17.80

18.64

18.79

17.59

17.47

17.46

19.52

Laplacian

21.90

25.63

25.98

21.92

25.05

25.30

20.26

23.62

23.98

21.89

GG(0.5)

25.21

29.61

30.00

25.46

29.30

29.69

24.67

28.24

28.84

25.34

Speech

15.96

21.87

22.85

15.31

19.71

20.41

16.10

19.98

20.76

18.24

  1. Numbers in boldface show the best results