CONF Siegert_ACII2015_2015/IDIAP Exploring Dataset Similarities using PCA-based Feature Selection Siegert, Ingo Boeck, Ronald Vlasenko, Bogdan Wendemuth, Andreas EXTERNAL http://publications.idiap.ch/attachments/papers/2015/Siegert_ACII2015_2015.pdf PUBLIC Proceedings of ACII Xi'an 2015 IEEE 387-393 10.1109/ACII.2015.7344600 doi