CONF Dighe_SPARS-2_2015/IDIAP Dictionary Learning for Sparse Representation of Neural Network Exemplars in Speech Recognition Dighe, Pranay Asaei, Afsaneh Bourlard, Hervé EXTERNAL http://publications.idiap.ch/attachments/papers/2015/Dighe_SPARS-2_2015.pdf PUBLIC Proceedings of SPARS 2015: Workshop on Signal Processing with Adaptive Sparse Structured Representations, 2015 2015 1093 abstract