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4A Hyvarinen. One- Unit Contrast Functions for Independent Component Analysis: A Statistical Analysis. In Neural Networks for Signal Processing Ⅶ ( Proc IEEE NNSP Workshop ' 97,Amelia Island, Florida), 1997 : 388 - 397.
5Aapo Hyvarinen, Juha Karhunen, Erkki Oja. Independent Component Analysis. Published Simultaneously in Cananda,2001.
3BINGHAM E, Hyvarinen A. A fast fixed-point algorithm for independent component analysis of complex-valued signals [ J]. Int. J. of Neural Systems, 2000,10( 1 ) : 1 - 8.
4Hyvarinen A. Fast and robust fixed-point algorithms for independent component analysis [ J ] . IEEE Trans. on Neural Networks, 1999 , 10(3) :626 - 634.