Robust Blind Separation of Statistically Dependent Sources using Dual Tree Wavelets

@article{Kopriva2007RobustBS,
  title={Robust Blind Separation of Statistically Dependent Sources using Dual Tree Wavelets},
  author={Ivica Kopriva and Damir Sersic},
  journal={2007 IEEE International Conference on Image Processing},
  year={2007},
  volume={1},
  pages={I - 433-I - 436}
}
Blind source separation (BSS) problem is commonly solved by means of independent component analysis (ICA) assuming statistically independent and non-Gaussian sources. The strict independence assumption can be relaxed to existence of subbands where signals are less dependent. In this paper, we use dual tree complex wavelets for the subband decomposition of observed signals and small cummulant based approximation of mutual information for finding the most independent subband(s). We compare the… CONTINUE READING
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