?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Post+Nonlinear+Independent+Subspace+Analysis&rft.creator=Szabo%2C+Z&rft.creator=P%C3%B3czos%2C+B&rft.creator=Szirtes%2C+G&rft.creator=L%C5%91rincz%2C+A&rft.description=In+this+paper+a+generalization+of+Post+Nonlinear+Independent+Component+Analysis+(PNL-ICA)+to+Post+Nonlinear+Independent+Subspace+Analysis+(PNL-ISA)+is+presented.+In+this+framework+sources+to+be+identified+can+be+multidimensional+as+well.+For+this+generalization+we+prove+a+separability+theorem%3A+the+ambiguities+of+this+problem+are+essentially+the+same+as+for+the+linear+Independent+Subspace+Analysis+(ISA).+By+applying+this+result+we+derive+an+algorithm+using+the+mirror+structure+of+the+mixing+system.+Numerical+simulations+are+presented+to+illustrate+the+efficiency+of+the+algorithm.&rft.publisher=Springer-Verlag%2C+Berlin+Heidelberg&rft.contributor=Sa%2C+JM&rft.contributor=Alexandre%2C+LA&rft.contributor=Duch%2C+W&rft.contributor=Mandic%2C+DP&rft.date=2007-09-09&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A+Sa%2C+JM+and+Alexandre%2C+LA+and+Duch%2C+W+and+Mandic%2C+DP%2C+(eds.)+Artificial+Neural+Networks+%E2%80%93+ICANN+2007%3A+Proceedings+of+the+17th+International+Conference%2C+Porto%2C+Portugal%2C+September+9-13%2C+2007%2C+Part+I.++(pp.+677+-+686).++Springer-Verlag%2C+Berlin+Heidelberg+(2007)+++++&rft.format=application%2Fpdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1433230%2F2%2Fszabo07post.pdf&rft.format=application%2Fpdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1433230%2F3%2Fszabo07post_presentation.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1433230%2F&rft.rights=open