1987 search results - page 137 / 398 » Directional filtering transform |
147
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TSP
2010
14 years 11 months ago
2010
Abstract--Time-frequency analysis, such as the Gabor transform, plays an important role in many signal processing applications. The redundancy of such representations is often dire...
133
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VLDB
1997
ACM
15 years 8 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
141
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BMCBI
2007
15 years 4 months ago
2007
Background: Software tools that model and simulate the dynamics of biological processes and systems are becoming increasingly important. Some of these tools offer sophisticated gr...
132
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CGF
2007
15 years 4 months ago
2007
Laplacian coordinates as a local shape descriptor have been employed in mesh editing. As they are encoded in the global coordinate system, they need to be transformed locally to r...
227
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IJCV
2007
15 years 4 months ago
2007
Abstract. Inspired by the early visual system of many mammalians we consider the construction of-and reconstruction from- an orientation score Uf : R2 ×S1 → C as a local orienta...