Abstract
In a previous work, the authors have introduced a Mixture of Laplacians model in order to cluster the observed data into the sound sources that exist in an underdetermined two-sensor setup. Since the assumed linear support of the ordinary Laplacian distribution is not valid to model angular quantities, such as the Direction of Arrival to the set of sensors, the authors investigate the performance of a Mixture of Warped Laplacians to perform efficient source separation with promising results.
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References
Bilmes, J.A.: A gentle tutorial of the EM algorithm and its application to parameter estimation for Gaussian Mixture and Hidden Mixture Models, Tech. Rep. Dep. of Electrical Eng. and Computer Science, U.C. Berkeley, California (1998)
Févotte, C., Gribonval, R., Vincent, E.: BSS EVAL Toolbox User Guide, Tech. Rep. IRISA Technical Report 1706, Rennes, France (April 2005), http://www.irisa.fr/metiss/bsseval/
Vincent, E., Gribonval, R., Fevotte, C., Nesbit, A., Plumbley, M.D., Davies, M.E., Daudet, L.: BASS-dB: the blind audio source separation evaluation database, Available at http://bass-db.gforge.inria.fr/BASS-dB/
Hyvärinen, A.: Independent component analysis in the presence of Gaussian noise by maximizing joint likelihood. Neurocomputing 22, 49–67 (1998)
O’Grady, P.D., Pearlmutter, B.A.: Soft-LOST: EM on a mixture of oriented lines. In: Proc. Int. Conf. on Independent Component Analysis and Blind Source Separation, Granada, Spain, pp. 428–435 (2004)
Mitianoudis, N., Stathaki, T.: Underdetermined Source Separation using Laplacian Mixture Models, IEEE Trans. on Audio, Speech and Language (to appear)
Smaragdis, P., Boufounos, P.: Position and Trajectory Learning for Microphone Arrays. IEEE Trans. Audio, Speech and Language Processing 15(1), 358–368 (2007)
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Mitianoudis, N., Stathaki, T. (2007). Underdetermined Source Separation Using Mixtures of Warped Laplacians. In: Davies, M.E., James, C.J., Abdallah, S.A., Plumbley, M.D. (eds) Independent Component Analysis and Signal Separation. ICA 2007. Lecture Notes in Computer Science, vol 4666. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74494-8_30
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DOI: https://doi.org/10.1007/978-3-540-74494-8_30
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