534 search results - page 89 / 107 » Data Separation by Sparse Representations |
PODS
2009
ACM
14 years 9 months ago
2009
ACM
The problem of finding heavy hitters and approximating the frequencies of items is at the heart of many problems in data stream analysis. It has been observed that several propose...
MICCAI
2009
Springer
14 years 9 months ago
2009
Springer
Compared with Diffusion Tensor Imaging (DTI), High Angular Resolution Imaging (HARDI) can better explore the complex microstructure of white matter. Orientation Distribution Functi...
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Determining the user intent of Web searches is a difficult problem due to the sparse data available concerning the searcher. In this paper, we examine a method to determine the us...
ACL
2001
13 years 10 months ago
2001
A hybrid system is described which combines the strength of manual rulewriting and statistical learning, obtaining results superior to both methods if applied separately. The comb...
ICIP
2008
IEEE
14 years 10 months ago
2008
IEEE
We present an improved statistical model of Poisson processes, with applications in photon-limited imaging. We build on previous work, adopting a multiscale representation of the ...