Novel approach:
Changing Max Likelihood FastICA from: G = Sk.*tanh(Sk.^2); Gp = 1-tanh(Sk.^2);
to
G = Sk.*tanh(cos(Sk)); Gp = 1-tanh(cos(Sk.^2));
maps the input to tanh function to unbiased range of [-1,1]
Run: Test_ICA.m : TEST-20211214T080911Z-001/TEST/Test_ICA.m Change in : fastICA.m : TEST-20211214T080911Z-001/TEST/fastICA.m
Results:
True Sources taken in one such mixture:
True Source 1:
True Source 2:
True Source 3:
Synthetic Mixtures of such True Sources:
Synthetic Mixture 1:
Synthetic Mixture 2:
Synthetic Mixture 3:
Retreival Method 1 : Kurtosis
Source 1:
Source 2:
Source 3:
Retreival Method 2 : Negentropy
Source 1:
Source 2:
Source 3:
Retreival Method 3 : Max Likelihood
Source 1:
Source 2:
Source 3:
Real Time Mixtures:
RT Mixture 1:
RT Mixture 2:
Retreival Method 1 : Kurtosis
Source 1:
Source 2:
Source 3:
Retreival Method 2 : Max Likelihood
Source 1:
Source 2:
Source 3:
