4047 search results - page 225 / 810 » The Discrete Basis Problem |
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SIGPRO
2010
15 years 2 months ago
2010
This short note studies a variation of the Compressed Sensing paradigm introduced recently by Vaswani et al., i.e. the recovery of sparse signals from a certain number of linear m...
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GECCO
2007
Springer
15 years 10 months ago
2007
Springer
The work addresses the problem of identifying the epistatic linkage of a function from high cardinality alphabets to the real numbers. It is a generalization of Heckendorn and Wri...
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DGCI
2006
Springer
15 years 8 months ago
2006
Springer
Tomography deals with the reconstruction of images from their projections. In this paper we focus on tomographic reconstruction of binary images (i.e., black-and-white) that do not...
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ISBI
2004
IEEE
16 years 5 months ago
2004
IEEE
Abstract-In discrete detector PET, natural pixels are image basis functions calculated from responses of detector pairs. By using reconstruction with natural pixels the discretizat...
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SODA
2010
ACM
16 years 1 months ago
2010
ACM
We present a new optimization technique that yields the first FPTAS for several geometric problems. These problems reduce to optimizing a sum of non-negative, constant description...