10148 search results - page 1867 / 2030 » Optimal sub-graphical models |
144
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TIT
2008
15 years 4 months ago
2008
Abstract--Max-product "belief propagation" (BP) is an iterative, message-passing algorithm for finding the maximum a posteriori (MAP) assignment of a discrete probability...
137
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JAIR
2007
15 years 4 months ago
2007
Many combinatorial optimization problems such as the bin packing and multiple knapsack problems involve assigning a set of discrete objects to multiple containers. These problems ...
170
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TMC
2008
15 years 4 months ago
2008
In this paper, we propose a bandwidth-efficient multicast mechanism for heterogeneous wireless networks. We reduce the bandwidth cost of an Internet Protocol (IP) multicast tree by...
159
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TMI
2008
15 years 4 months ago
2008
Abstract--Voxel-based reconstructions in diffuse optical tomography (DOT) using a quadratic regularization functional tend to produce very smooth images due to the attenuation of h...
131
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TMI
2008
15 years 4 months ago
2008
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an 1-regularizatio...