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142
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ICIP
2009
IEEE
15 years 1 months ago
A hierarchical graph-based markovian clustering approach for the unsupervised segmentation of textured color images
In this paper, a new unsupervised hierarchical approach to textured color images segmentation is proposed. To this end, we have designed a two-step procedure based on a grey-scale...
Rachid Hedjam, Max Mignotte
144
Voted
EJWCN
2010
115views more  EJWCN 2010»
14 years 10 months ago
Efficient Certification Path Discovery for MANET
A Mobile Ad Hoc Network (MANET) is characterized by the lack of any infrastructure, absence of any kind of centralized administration, frequent mobility of nodes, network partitio...
Georgios Kambourakis, Elisavet Konstantinou, Anast...
147
Voted
TII
2010
113views Education» more  TII 2010»
14 years 10 months ago
An Automated Framework for Formal Verification of Timed Continuous Petri Nets
In this paper, we develop an automated framework for formal verification of timed continuous Petri nets (ContPNs). Specifically, we consider two problems: (1) given an initial set ...
Marius Kloetzer, Cristian Mahulea, Calin Belta, Ma...
153
Voted
ICDE
2012
IEEE
196views Database» more  ICDE 2012»
13 years 6 months ago
Scalable Multi-query Optimization for SPARQL
Abstract—This paper revisits the classical problem of multiquery optimization in the context of RDF/SPARQL. We show that the techniques developed for relational and semi-structur...
Wangchao Le, Anastasios Kementsietsidis, Songyun D...
ICCV
2003
IEEE
16 years 5 months ago
Multiclass Spectral Clustering
We propose a principled account on multiclass spectral clustering. Given a discrete clustering formulation, we first solve a relaxed continuous optimization problem by eigendecomp...
Stella X. Yu, Jianbo Shi