Research Grants 11/06994-2 - Processamento de sinais - BV FAPESP
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Low-cost algorithms for acoustic signal processing

Abstract

We intend to develop and analyze low-cost signal processing algorithms, for aplications in acoustics and modelling of biological systems. We shall study cooperative, distributed, and non-linear estimation algorithms, with the goal of reducing their computational cost. In addition, we intend to further develop previous work on fast algorithms for estimation of acoustic images, in particular, we intend to tackle the problem of fast algorithms for near-field images. We also intend to build microphone arrays and efficient hardware implementations for the new acoustic imaging algorithms, and for nonlinear acoustic echo cancellation algorithms. (AU)

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Scientific publications (8)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
ZAKHAROV, YURIY; NASCIMENTO, VITOR H.; MATTHEWS, MB. Homotopy algorithm using dichotomous coordinate descent iterations for sparse recovery. 2012 CONFERENCE RECORD OF THE FORTY SIXTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS (ASILOMAR), v. N/A, p. 5-pg., . (12/50565-1, 11/06994-2)
NASCIMENTO, VITOR H.; SAYED, ALI H.; MATTHEWS, MB. CONTINUOUS - TIME DISTRIBUTED ESTIMATION. 2011 CONFERENCE RECORD OF THE FORTY-FIFTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS & COMPUTERS (ASILOMAR), v. N/A, p. 5-pg., . (11/06994-2)
ZAKHAROV, YURIY; NASCIMENTO, VITOR H.. Sliding-Window RLS Low-Cost Implementation of Proportionate Affine Projection Algorithms. IEEE-ACM TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING, v. 22, n. 12, p. 1815-1824, . (11/06994-2, 12/50565-1)
ZAKHAROV, YURIY V.; NASCIMENTO, VITOR H.. DCD-RLS Adaptive Filters With Penalties for Sparse Identification. IEEE TRANSACTIONS ON SIGNAL PROCESSING, v. 61, n. 12, p. 3198-3213, . (11/06994-2, 12/50565-1)
AZPICUETA-RUIZ, LUIS A.; ARENAS-GARCIA, JERONIMO; NASCIMENTO, VITOR H.; SILVA, MAGNO T. M.; IEEE. Reduced-cost combination of adaptive filters for acoustic echo cancellation. 2014 INTERNATIONAL TELECOMMUNICATIONS SYMPOSIUM (ITS), v. N/A, p. 5-pg., . (12/24835-1, 11/06994-2)
ZAKHAROV, YURIY; NASCIMENTO, VITOR H.; MATTHEWS, MB. Sparse RLS adaptive filter with diagonal loading. 2012 CONFERENCE RECORD OF THE FORTY SIXTH ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS AND COMPUTERS (ASILOMAR), v. N/A, p. 5-pg., . (12/50565-1, 11/06994-2)
NASCIMENTO, VITOR H.; SILVA, MAGNO T. M.; ARENAS-GARCIA, JERONIMO; IEEE. A LOW-COST IMPLEMENTATION STRATEGY FOR COMBINATIONS OF ADAPTIVE FILTERS. 2013 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING (ICASSP), v. N/A, p. 5-pg., . (11/06994-2)
NASCIMENTO, VITOR H.; SAYED, ALI H.; IEEE. CONTINUOUS-TIME DISTRIBUTED ESTIMATION WITH ASYMMETRIC MIXING. 2012 IEEE STATISTICAL SIGNAL PROCESSING WORKSHOP (SSP), v. N/A, p. 4-pg., . (11/06994-2)

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