Fast Kernel Density Independent Component Analysis

@inproceedings{Chen2006FastKD,
  title={Fast Kernel Density Independent Component Analysis},
  author={Aiyou Chen},
  booktitle={ICA},
  year={2006}
}
We develop a super-fast kernel density estimation algorithm (FastKDE) and based on this a fast kernel independent component analysis algorithm (KDICA). FastKDE calculates the kernel density estimator exactly and its computation only requires sorting n numbers plus roughly 2n evaluations of the exponential function, where n is the sample size. KDICA converges as quickly as parametric ICA algorithms such as FastICA. By comparing with state-of-the-art ICA algorithms, simulation studies show that… CONTINUE READING
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