3049 search results - page 150 / 610 » On the Convergence of Bound Optimization Algorithms |
175
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TIT
2002
15 years 6 months ago
2002
We consider a two-dimensional problem of positron emission tomography where the random mechanism of the generation of the tomographic data is modeled by Poisson processes. The goa...
164
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CIMAGING
2008
15 years 7 months ago
2008
Medical imaging typically requires the reconstruction of a limited region of interest (ROI) to obtain a high resolution image of the anatomy of interest. Although targeted reconst...
151
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TPDS
1998
15 years 6 months ago
1998
—A matrix A of size m n containing items from a totally ordered universe is termed monotone if, for every i, j, 1 i < j m, the minimum value in row j lies below or to...
149
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SAT
2007
Springer
16 years 15 days ago
2007
Springer
Abstract. In this paper we study NP-hard weighted satisfiability optimization problems for the class 2-CNF providing worst-case upper time bounds. Moreover we consider the monoton...
176
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SMC
2007
IEEE
16 years 20 days ago
2007
IEEE
—Reinforcement learning is a framework in which an agent can learn behavior without knowledge on a task or an environment by exploration and exploitation. Striking a balance betw...