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TMI
2008
116views more  TMI 2008»
15 years 4 months ago
Dynamic PET Reconstruction Using Wavelet Regularization With Adapted Basis Functions
Tomographic reconstruction from positron emission tomography (PET) data is an ill-posed problem that requires regularization. An attractive approach is to impose an 1-regularizatio...
J. Verhaeghe, Dimitri Van De Ville, I. Khalidov, Y...
HPCA
2008
IEEE
16 years 4 months ago
Regional congestion awareness for load balance in networks-on-chip
Interconnection networks-on-chip (NOCs) are rapidly replacing other forms of interconnect in chip multiprocessors and system-on-chip designs. Existing interconnection networks use...
Paul Gratz, Boris Grot, Stephen W. Keckler
WSC
2001
15 years 5 months ago
On improving the performance of simulation-based algorithms for average reward processes with application to network pricing
We address performance issues associated with simulationbased algorithms for optimizing Markov reward processes. Specifically, we are concerned with algorithms that exploit the re...
Enrique Campos-Náñez, Stephen D. Pat...
IEEEPACT
2005
IEEE
15 years 10 months ago
Communication Optimizations for Fine-Grained UPC Applications
Global address space languages like UPC exhibit high performance and portability on a broad class of shared and distributed memory parallel architectures. The most scalable applic...
Wei-Yu Chen, Costin Iancu, Katherine A. Yelick
ICDCS
2002
IEEE
15 years 9 months ago
Query Optimization to Meet Performance Targets for Wide Area Applications
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...
Vladimir Zadorozhny, Louiqa Raschid