44 search results - page 5 / 9 » Variance-component based sparse signal reconstruction and mo... |
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
The 1 norm regularized least square technique has been proposed as an efficient method to calculate sparse solutions. However, the choice of the regularization parameter is still...
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ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
We consider the problem of learning multiscale graphical models. Given a collection of variables along with covariance specifications for these variables, we introduce hidden var...
104
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ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper presents a unified model for image editing in terms of Sparse Matrix-Vector (SpMV) multiplication. In our framework, we cast image editing as a linear energy minimizat...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
In this paper, we examine the problem of overcomplete representations and provide new insights into the problem of stable recovery of sparse solutions in noisy environments. We es...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
High noise robustness has been achieved in speech recognition by using sparse exemplar-based methods with spectrogram windows spanning up to 300 ms. A downside is that a large exe...