無監督學習參考文獻-Sparse coding / ICA models of V1
http://www.cs.helsinki.fi/u/ahyvarin/papers/brainimaging.shtml
牛人：A. Hyvärinen
[1]M. U. Gutmann and A. Hyvärinen.Extracting coactivated features from multiple datasets . Proc. Int.Conf. on Artificial Neural Networks (ICANN2011), Helsinki, Finland, 2011
[2]S. Shimizu, T. Inazumi, Y. Sogawa, A.Hyvärinen, Y. Kawahara, T. Washio, P. O. Hoyer and K. Bollen. DirectLiNGAM:A direct method for learning a linear non-Gaussian structural equation model.J. of Machine Learning Research 12:1225-1248, 2011
[3] A. Hyvärinen.Testing the ICA mixing matrix based on inter-subject or inter-sessionconsistency. NeuroImage, 58:122-136, 2011.
