17983 search results - page 246 / 3597 » Set Types and Applications |
189
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BILDMED
2004
15 years 8 months ago
2004
In this paper we present a level-set framework for accurate and efficient extraction of the surface of a brain from MRI data. To prevent the so-called partial volume effect we use ...
153
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FLAIRS
2001
15 years 8 months ago
2001
As organizations accumulate data over time, the problem of tracking how patterns evolve becomes important. In this paper, we present an algorithm to track the evolution of cluster...
168
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CAD
2008
Springer
15 years 6 months ago
2008
Springer
By simultaneously considering evolution processes for parametric spline curves and implicitly defined curves, we formulate the framework of dual evolution. This allows us to combin...
127
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
We develop an algorithm for estimating the values of a vector x Rn over a support S of size k from a randomized sparse binary linear sketch Ax of size O(k). Given Ax and S, we ca...
129
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IPL
2006
15 years 6 months ago
2006
We show that computing the lexicographically first four-coloring for planar graphs is p 2hard. This result optimally improves upon a result of Khuller and Vazirani who prove this ...