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ICASSP
2010
IEEE
13 years 11 months ago
Structured and incoherent parametric dictionary design
A new dictionary selection approach for sparse coding, called parametric dictionary design, has recently been introduced. The aim is to choose a dictionary from a class of admissi...
Mehrdad Yaghoobi, Laurent Daudet, Michael E. Davie...
ICASSP
2010
IEEE
13 years 11 months ago
Fast total variation image restoration with parameter estimation using bayesian inference
In this paper we propose two fast Total Variation (TV) based algorithms for image restoration by utilizing variational posterior distribution approximation. The unknown image and ...
Bruno Amizic, S. Derin Babacan, K. Michael Ng, Raf...
ICASSP
2010
IEEE
13 years 11 months ago
Improved Internet traffic analysis via optimized sampling
Applications to evaluate Internet quality-of-service and increase network security are essential to maintaining reliability and high performance in computer networks. These applic...
Sean McPherson, Antonio Ortega
ICASSP
2010
IEEE
13 years 11 months ago
Circulant space-time codes for integration with beamforming
—This paper provides a framework for designing space-time codes to take advantage of a small number of feedback bits from the receiver. The new codes are based on circulant matri...
Yiyue Wu, A. Robert Calderbank
ICASSP
2010
IEEE
13 years 11 months ago
Compressive sensing and differential image-motion estimation
Compressive-sensing cameras are an important new class of sensors that have different design constraints than standard cameras. Surprisingly, little work has explored the relation...
Nathan Jacobs, S. Schuh, Robert Pless
ICASSP
2010
IEEE
13 years 11 months ago
Effect of speaking style and speaking rate on formant contours
This paper presents the results of formant analysis using a newly developed formant contour model. We model formant contours with a linear combination of formant target values and...
Akiko Amano-Kusumoto, John-Paul Hosom
ICASSP
2010
IEEE
13 years 11 months ago
Sparse signal recovery in the presence of correlated multiple measurement vectors
Sparse signal recovery algorithms utilizing multiple measurement vectors (MMVs) are known to have better performance compared to the single measurement vector case. However, curre...
Zhilin Zhang, Bhaskar D. Rao
ICASSP
2010
IEEE
13 years 11 months ago
Optimal gain control for single-carrier communications with uniform quantization at the receiver
The achievable rate of digital communications systems can strongly depend on the analog-to-digital conversion at the receiver. It is hence important to adjust the gain control at ...
Stefan Krone, Gerhard Fettweis
ICASSP
2010
IEEE
13 years 11 months ago
Guaranteed robust distributed estimation in a network of sensors
This paper proposes a guaranteed robust bounded-error distributed estimation algorithm. It may be employed to perform parameter estimation from data collected in a network of wire...
Jean-Benoist Leger, Michel Kieffer
ICASSP
2010
IEEE
13 years 11 months ago
Convergence behavior of the Active Mask segmentation algorithm
We study the convergence behavior of the Active Mask (AM) framework, originally designed for segmenting punctate image patterns. AM combines the flexibility of traditional active...
Doru-Cristian Balcan, Gowri Srinivasa, Matthew C. ...