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ESA
2007
Springer
105views Algorithms» more  ESA 2007»
16 years 8 days ago
Finding Branch-Decompositions and Rank-Decompositions
Abstract. We present a new algorithm that can output the rankdecomposition of width at most k of a graph if such exists. For that we use an algorithm that, for an input matroid rep...
Petr Hlinený, Sang-il Oum
GRAPHICSINTERFACE
1998
15 years 7 months ago
Ray-tracing Procedural Displacement Shaders
Displacement maps and procedural displacement shaders are a widely used approach of specifying geometric detail and increasing the visual complexity of a scene. While it is relati...
Wolfgang Heidrich, Hans-Peter Seidel
166
Voted
JCM
2007
129views more  JCM 2007»
15 years 6 months ago
Evolutionary Approach for Efficient Resource Allocation in Multi-User OFDM Systems
– Orthogonal Frequency Division Multiplexing is a promising technology for high data rate transmission in wideband wireless systems for achieving high downlink capabilities in th...
Yenumula B. Reddy, Nandigam Gajendar
OWLED
2007
15 years 7 months ago
Extending Fuzzy Description Logics for the Semantic Web
Fuzzy Description Logics (Fuzzy DLs) and fuzzy OWL have been proposed as languages able to represent and reason about imprecise and vague knowledge. Such extensions have gained con...
Giorgos Stoilos, Giorgos B. Stamou
163
Voted
DAGSTUHL
2007
15 years 7 months ago
Nonlinear Approximation and Image Representation using Wavelets
We address the problem of finding sparse wavelet representations of high-dimensional vectors. We present a lower-bounding technique and use it to develop an algorithm for computi...
Sudipto Guha, Boulos Harb