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TIT
2010
14 years 4 months ago
2010
Abstract--This paper discusses new bounds for restricted isometry constants in compressed sensing. Let 8be an n2p real matrix and k be a positive integer with k n. One of the main...
CORR
2011
Springer
14 years 1 months ago
2011
Springer
We establish the restricted isometry property for finite dimensional Gabor systems, that is, for families of time–frequency shifts of a randomly chosen window function. We show...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper concerns the reconstruction of a temporally-varying scene from a video sequence of noisy linear projections. Assuming that each video frame is sparse or compressible in...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
We propose a 3D medical image coding method with optimal channel protection for wireless transmission. The proposed method employs the 3D integer wavelet transform and a modified ...
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SIGIR
2012
ACM
13 years 12 days ago
2012
ACM
Positional ranking functions, widely used in web search engines, improve result quality by exploiting the positions of the query terms within documents. However, it is well known ...