jl
发帖数: 398 | 1 It is different notation with PCA .
Independent component analysis (ICA) :
is a statistical and computational technique for revealing hidden facto
rs that underlie sets of random variables, measurements, or signals.
ICA defines a generative model for the observed multivariate data, which
is typically given as a large database of samples. In the model, the da
ta variables are assumed to be linear mixtures of some unknown latent va
riables, and the mixing system is also unknown. The latent variabl |
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