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2003
IEEE
15 years 12 months ago
Improving the Performance of MPI Derived Datatypes by Optimizing Memory-Access Cost
The MPI Standard supports derived datatypes, which allow users to describe noncontiguous memory layout and communicate noncontiguous data with a single communication function. Thi...
Surendra Byna, William D. Gropp, Xian-He Sun, Raje...
CAIP
2007
Springer
16 years 23 days ago
Optimal Threshold Selection for Tomogram Segmentation by Reprojection of the Reconstructed Image
Abstract. Grey value thresholding is a segmentation technique commonly applied to tomographic image reconstructions. Many procedures have been proposed to optimally select the grey...
Kees Joost Batenburg, Jan Sijbers
CONEXT
2009
ACM
15 years 7 months ago
Online optimization of 802.11 mesh networks
802.11 wireless mesh networks are ubiquitous, but suffer from severe performance degradations due to poor synergy between the 802.11 CSMA MAC protocol and higher layers. Several s...
Theodoros Salonidis, Georgios Sotiropoulos, Roch G...
EVOW
2006
Springer
15 years 10 months ago
Evolving the Structure of the Particle Swarm Optimization Algorithms
A new model for evolving the structure of a Particle Swarm Optimization (PSO) algorithm is proposed in this paper. The model is a hybrid technique that combines a Genetic Algorithm...
Laura Diosan, Mihai Oltean
JCT
2008
100views more  JCT 2008»
15 years 6 months ago
Optimal distortion embeddings of distance regular graphs into Euclidean spaces
ABSTRACT. In this paper we give a lower bound for the least distortion embedding of a distance regular graph into Euclidean space. We use the lower bound for finding the least dist...
Frank Vallentin