6368 search results - page 220 / 1274 » Modeling Problem Transformations based on Data Complexity |
211
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STOC
2001
ACM
16 years 7 months ago
2001
ACM
We study two fundamental static data structure problems, membership and perfect hashing, in Yao's cell probe model. The first space and bit probe optimal worst case upper bou...
158
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NIPS
2003
15 years 8 months ago
2003
When clustering a dataset, the right number k of clusters to use is often not obvious, and choosing k automatically is a hard algorithmic problem. In this paper we present an impr...
168
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JMIV
2010
15 years 5 months ago
2010
Median averaging is a powerful averaging concept on sets of vector data in finite dimensions. A generalization of the median for shapes in the plane is introduced. The underlying ...
162
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PAMI
2006
15 years 6 months ago
2006
We describe an algorithm for context-based segmentation of visual data. New frames in an image sequence (video) are segmented based on the prior segmentation of earlier frames in ...
153
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ICDAR
2009
IEEE
15 years 4 months ago
2009
IEEE
The paper presents a clutter detection and removal algorithm for complex document images. The distance transform based approach is independent of clutter's position, size, sh...