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ICASSP
2009
IEEE
14 years 2 months ago
Using complex-valued ICA to efficiently combine radar polarimetric data for target detection
Target detection in sea clutter is a challenging problem in radar detection, specifically, when the Doppler return of the target and clutter are collocated. Polarization diverse ...
Mike Novey, Tülay Adali
ICASSP
2009
IEEE
14 years 2 months ago
Sparse decomposition of mixed audio signals by basis pursuit with autoregressive models
We develop a framework to detect when certain sounds are present in a mixed audio signal. We focus on the regime where out of a large number of possible sounds, a small but unknow...
Youngmin Cho, Lawrence K. Saul
ICASSP
2009
IEEE
14 years 2 months ago
Contrasting emotion-bearing laughter types in multiparticipant vocal activity detection for meetings
The detection of laughter in conversational interaction presents an important challenge in meeting understanding, important primarily because laughter is predictive of the emotion...
Kornel Laskowski
ICASSP
2009
IEEE
14 years 2 months ago
Distributions of 3D DCT coefficients for video
The three-dimensional discrete cosine transform (3D DCT) has been proposed as an alternative to motion-compensated transform coding for video content. However, so far no definiti...
Malavika Bhaskaranand, Jerry D. Gibson
ICASSP
2009
IEEE
13 years 11 months ago
Narrowband interference mitigation in BICM OFDM systems
Orthogonal frequency division multiplexing (OFDM) is noted for its resistance to narrowband interference when equipped with forward error correction. This technique along with era...
Arun Batra, James R. Zeidler