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ICASSP
2009
IEEE
16 years 1 months ago
Analyzing Least Squares and Kalman Filtered Compressed Sensing
In recent work, we studied the problem of causally reconstructing time sequences of spatially sparse signals, with unknown and slow time-varying sparsity patterns, from a limited ...
Namrata Vaswani
ICASSP
2009
IEEE
16 years 1 months ago
Voice convergin: Speaker de-identification by voice transformation
Speaker identification might be a suitable answer to prevent unauthorized access to personal data. However we also need to provide solutions to secure transmission of spoken infor...
Qin Jin, Arthur R. Toth, Tanja Schultz, Alan W. Bl...
ICASSP
2009
IEEE
16 years 1 months ago
Design of oversampled DFT modulated filter banks optimized for acoustic echo cancellation
This paper describes a method for designing oversampled DFT filter banks (FB) optimized for subband acoustic echo cancellation (AEC). For this application, the design requirements...
Qin Li, Wei-Ge Chen, Chao He, Henrique S. Malvar
ICASSP
2009
IEEE
16 years 1 months ago
Fast noise PSD estimation with low complexity
Although noise PSD estimation is a crucial part of noise reduction algorithms, most noise PSD estimators have problems in tracking non-stationary noise sources. Recently, a noise ...
Richard C. Hendriks, Richard Heusdens, Jesper Jens...
ICC
2009
IEEE
190views Communications» more  ICC 2009»
16 years 1 months ago
Decomposition for Low-Complexity Near-Optimal Routing in Multi-Hop Wireless Networks
Abstract—Network flow models serve as a popular mathematical framework for the analysis and optimization of Multi-hop Wireless Networks. They also serve to provide the understan...
Vinay Kolar, Nael B. Abu-Ghazaleh, Petri Mäh&...
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