Tài liệu Independent Component Analysis - Chapter 24: Other Applications ppt

... time. 441 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 442 OTHER ... 24 Other Applications In this chapter, we consider some further applications of independent component analysis (ICA), including analysis of financial ti...

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... application. 371 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 372 OTHER ... by independent subspaces analysis, to be explained next. 20.2.2 Independent subspace analysis Independent subspace analysis [204] is a simple model...

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... instantaneous 315 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 334 NONLINEAR ... form (17.2) where is the observed -dimensional data (mixture) vector, is an unknown real- valued -component mixing function, and is an -vector whose elemen...

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... and Newton 273 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 282 OVERVIEW ... and the main choices are between cumulant-based vs. negentropy/likelihood-based estimation methods, and between one-unit vs. multi- unit methods. In other wor...

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... developed. 305 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 306 ICA ... Overcomplete Bases A difficult problem in independent component analysis (ICA) is encountered if the number of mixtures is smaller than the number of independe...

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... alternatives to the 341 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 342 METHODS ... Time Structure The model of independent component analysis (ICA) that we have considered so far consists of mixing independent random variables,...

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... convolutive mix- 355 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 356 CONVOLUTIVE ... been given for complex-valued data both in the time domain and - transform domain. The derived natural gradient rules can be implemented in either...

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... given task? 407 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 408 BRAIN ... corresponding to the independent components fell on the brain regions expected to be activated by the particular stimulus. Applications of ICA have been propo...

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... that the other 417 Independent Component Analysis. Aapo Hyv ¨ arinen, Juha Karhunen, Erkki Oja Copyright  2001 John Wiley & Sons, Inc. ISBNs: 0-4 7 1-4 0540-X (Hardback); 0-4 7 1-2 213 1-7 (Electronic) 436 TELECOMMUNICATIONS contains ... second-order correlations are re- moved from the data by whitening. This can be done easily in terms of standard principal component...

Ngày tải lên: 20/01/2014, 11:20