1176 search results - page 54 / 236 » Sparse reward processes |
124
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
This paper presents a simple randomised algorithm for recovering high-dimensional sparse functions, i.e. functions f : [0, 1]d → R which depend effectively only on k out of d va...
148
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ICASSP
2011
IEEE
14 years 7 months ago
2011
IEEE
This paper describes a complete low-complexity imaging system based on a single MEMS scanning mirror and a single photodetector, together with customized image enhancement algorit...
108
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ICIP
2009
IEEE
16 years 4 months ago
2009
IEEE
In this paper, we present a novel algorithm for representing facial expressions. The algorithm is based on the non-negative matrix factorization (NMF) algorithm, which decomposes ...
137
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ICIP
2009
IEEE
16 years 4 months ago
2009
IEEE
Sparse Orthonormal Transforms (SOT) has recently been proposed as a data compression method that can achieve sparser representations in transform domain. Given initial conditions,...
115
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ICASSP
2008
IEEE
15 years 10 months ago
2008
IEEE
We propose a new low complexity and fast converging frequencydomain adaptive algorithm for sparse system identification. This is achieved by exploiting the MMax and SP tap-select...