Question about Independent Component Analysis

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wuwuwu
Posts: 1
Joined: Wed Jun 28, 2017 8:29 pm

Question about Independent Component Analysis

Post by wuwuwu »

I try to use ICA to separate a linear combination of sine wave and square wave. I make to input channel one of them is sine+square, another is sine-square.I suppose the ICA can give me an sine wave and a square wave as result. However, after FastICA, I use signal display, and the output channels look exactly the same as input channels. How can I fix this issue?

jtlindgren
Posts: 778
Joined: Tue Dec 04, 2012 3:53 pm
Location: INRIA Rennes, FRANCE

Re: Question about Independent Component Analysis

Post by jtlindgren »

Hello,

try starting from the ica tutorial in box-tutorials/. Does it work for you as it is, and what if you modify it to your use case? Also, note that it will need certain amount of data
before it will start to provide the demixed components.

Best,
Jussi

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