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2002
133views more  TIP 2002»
13 years 8 months ago
Wavelet-based rotational invariant roughness features for texture classification and segmentation
In this paper, we introduce a rotational invariant feature set for texture segmentation and classification, based on an extension of fractal dimension (FD) features. The FD extract...
Dimitrios Charalampidis, Takis Kasparis
DAC
2004
ACM
14 years 9 months ago
Abstraction refinement by controllability and cooperativeness analysis
ion Refinement by Controllability and Cooperativeness Analysis Freddy Y.C. Mang and Pei-Hsin Ho Advanced Technology Group, Synopsys, Inc. {fmang, pho}@synopsys.com nt a new abstrac...
Freddy Y. C. Mang, Pei-Hsin Ho
FOCS
2009
IEEE
14 years 3 months ago
Local Graph Partitions for Approximation and Testing
—We introduce a new tool for approximation and testing algorithms called partitioning oracles. We develop methods for constructing them for any class of bounded-degree graphs wit...
Avinatan Hassidim, Jonathan A. Kelner, Huy N. Nguy...
CONCUR
2009
Springer
14 years 2 months ago
Model-Checking Games for Fixpoint Logics with Partial Order Models
Abstract. We introduce model-checking games that allow local secondorder power on sets of independent transitions in the underlying partial order models where the games are played....
Julian Gutierrez, Julian C. Bradfield
PIMRC
2008
IEEE
14 years 2 months ago
The design and detection of signature sequences in time-frequency selective channel
Abstract— In a slot-synchronized wireless communication system, a set of signature sequences can be derived by circularly shifting a base sequence with good auto correlation prop...
Jiann-Ching Guey