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ICIP
1997
IEEE
16 years 7 months ago
An Optimization Approach to Unsupervised Hierarchical Texture Segmentation
In this paper we introduce a novel optimization framework for hierarchical data clustering and apply it to the problem of unsupervised texture segmentation. The proposed objective...
Thomas Hofmann, Jan Puzicha, Joachim M. Buhmann
GECCO
2007
Springer
199views Optimization» more  GECCO 2007»
16 years 10 days ago
Multi-objective particle swarm optimization on computer grids
Abstract. In recent years, a number of authors have successfully extended particle swarm optimization to problem domains with multiple objectives. This paper addresses the issue of...
Sanaz Mostaghim, Jürgen Branke, Hartmut Schme...
122
Voted
ASPDAC
1999
ACM
60views Hardware» more  ASPDAC 1999»
15 years 10 months ago
Timing Optimization of Logic Network Using Gate Duplication
We present a timing optimization algorithm based on the concept of gate duplication on the technologydecomposed network. We first examine the relationship between gate duplication...
Chun-hong Chen, Chi-Ying Tsui
DEXAW
1999
IEEE
202views Database» more  DEXAW 1999»
15 years 10 months ago
Optimizing Global Query Processing Plans in Heterogeneous and Distributed Multidatabase Systems
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...
Janusz R. Getta, Seyed M. Sedighi
INFOCOM
2011
IEEE
14 years 9 months ago
Optimal channel assignment and power allocation for dual-hop multi-channel multi-user relaying
Abstract—We consider the problem of jointly optimizing channel pairing, channel-user assignment, and power allocation in a single-relay multiple-access system. The optimization o...
Mahdi Hajiaghayi, Min Dong, Ben Liang