Source separation in post-nonlinear mixtures
IEEE Transactions on Signal Processing
Wavelet neural networks for function learning
IEEE Transactions on Signal Processing
Nonlinear blind source separation using higher order statistics anda genetic algorithm
IEEE Transactions on Evolutionary Computation
Nonlinear blind source separation using a radial basis function network
IEEE Transactions on Neural Networks
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Blind source separation of post-nonlinear mixtures is discussed. The demixing system of the post-nonlinear mixtures is modeled using a multi-input multi-output wavelet neural network whose parameters can be determined under the criterion of independence of its outputs. A criterion of independence based on higher order moments is used to measure the statistical dependence of the outputs of the demixing system, and the particle swarm optimization technique is utilized to minimized the criterion. Simulation results show that the proposed approach is capable of separating independent sources from their post-nonlinear mixtures.