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ICASSP
2011
IEEE
14 years 10 months ago
Sub-Nyquist sampling of short pulses
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
Ewa Matusiak, Yonina C. Eldar
ICASSP
2011
IEEE
14 years 10 months ago
Spatially sparsed Common Spatial Pattern to improve BCI performance
Common Spatial Pattern (CSP) is widely used in discriminating two classes of EEG in Brain Computer Interface applications. However, the performance of the CSP algorithm is affecte...
Mahnaz Arvaneh, Cuntai Guan, Kai Keng Ang, Hiok Ch...
ICASSP
2011
IEEE
14 years 10 months ago
A simplified Subspace Gaussian Mixture to compact acoustic models for speech recognition
Speech recognition applications are known to require a significant amount of resources (memory, computing power). However, embedded speech recognition systems, such as in mobile p...
Mohamed Bouallegue, Driss Matrouf, Georges Linares
ICASSP
2011
IEEE
14 years 10 months ago
User verification: Matching the uploaders of videos across accounts
This article presents an attempt to link the uploaders of videos based on the audio track of the videos. Using a subset of the MediaEval [10] Placing Task’s Flickr video set, wh...
Howard Lei, Jaeyoung Choi, Adam Janin, Gerald Frie...
ICASSP
2011
IEEE
14 years 10 months ago
Maximum likelihood ICA of quaternion Gaussian vectors
This work considers the independent component analysis (ICA) of quaternion random vectors. In particular, we focus on the Gaussian case, and therefore the ICA problem is solved by...
Javier Vía, Daniel P. Palomar, Luis Vielva,...