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PVM
2010
Springer
14 years 9 months ago
Communication Target Selection for Replicated MPI Processes
Abstract. VolpexMPI is an MPI library designed for volunteer computing environments. In order to cope with the fundamental unreliability of these environments, VolpexMPI deploys tw...
Rakhi Anand, Edgar Gabriel, Jaspal Subhlok
TCOM
2010
102views more  TCOM 2010»
14 years 9 months ago
A system performance approach to OSNR optimization in optical networks
Abstract—This paper studies a constrained optical signal-tonoise ratio (OSNR) optimization problem in optical networks from the perspective of system performance. A system optimi...
Yan Pan, Tansu Alpcan, Lacra Pavel
TIP
2010
146views more  TIP 2010»
14 years 9 months ago
Effective Level Set Image Segmentation With a Kernel Induced Data Term
Abstract—This study investigates level set multiphase image segmentation by kernel mapping and piecewise constant modeling of the image data thereof. A kernel function maps impli...
Mohamed Ben Salah, Amar Mitiche, Ismail Ben Ayed
TMI
2010
94views more  TMI 2010»
14 years 9 months ago
Theoretical Bounds and System Design for Multipinhole SPECT
Abstract—The pinhole camera in single photon emission computed tomography (SPECT) has an inherent trade-off between resolution and sensitivity. Recent systems overcome this to so...
Peter Nillius, Mats Danielsson
TMI
2010
123views more  TMI 2010»
14 years 9 months ago
Fast Exact/Quasi-Exact FBP Algorithms for Triple-Source Helical Cone-Beam CT
Abstract—Cardiac computed tomography (CT) has been improved over past years, but it still needs improvement for higher temporal resolution in the cases of high or irregular cardi...
Yang Lu, Alexander Katsevich, Jun Zhao, Hengyong Y...