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JCT
2006
81views more  JCT 2006»
15 years 4 months ago
Hyperplane partitions and difference systems of sets
Difference Systems of Sets (DSS) are combinatorial configurations that arise in connection with code synchronization. This paper gives new constructions of DSS obtained from parti...
Ryoh Fuji-Hara, Akihiro Munemasa, Vladimir D. Tonc...
IJCV
2002
188views more  IJCV 2002»
15 years 4 months ago
A Multiphase Level Set Framework for Image Segmentation Using the Mumford and Shah Model
We propose a new multiphase level set framework for image segmentation using the Mumford and Shah model, for piecewise constant and piecewise smooth optimal approximations. The pro...
Luminita A. Vese, Tony F. Chan
IPL
2010
111views more  IPL 2010»
15 years 2 months ago
Connecting face hitting sets in planar graphs
We show that any face hitting set of size n of a connected planar graph with a minimum degree of at least 3 is contained in a connected subgraph of size 5n − 6. Furthermore we s...
Pascal Schweitzer, Patrick Schweitzer
JELIA
2010
Springer
15 years 2 months ago
Translating First-Order Causal Theories into Answer Set Programming
Abstract. Nonmonotonic causal logic became a basis for the semantics of several expressive action languages. Norman McCain and Paolo Ferraris showed how to embed propositional caus...
Vladimir Lifschitz, Fangkai Yang
ICTIR
2009
Springer
15 years 11 months ago
"A term is known by the company it keeps": On Selecting a Good Expansion Set in Pseudo-Relevance Feedback
Abstract. It is well known that pseudo-relevance feedback (PRF) improves the retrieval performance of Information Retrieval (IR) systems in general. However, a recent study by Cao ...
Raghavendra Udupa, Abhijit Bhole, Pushpak Bhattach...