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2009
IEEE
16 years 1 months ago
Accelerating SIFT on parallel architectures
Abstract—SIFT is a widely-used algorithm that extracts features from images; using it to extract information from hundreds of terabytes of aerial and satellite photographs requir...
Seth Warn, Wesley Emeneker, Jackson Cothren, Amy W...
SC
2000
ACM
15 years 11 months ago
A Comparative Study of the NAS MG Benchmark across Parallel Languages and Architectures
Hierarchical algorithms such as multigrid applications form an important cornerstone for scientific computing. In this study, we take a first step toward evaluating parallel lan...
Bradford L. Chamberlain, Steven J. Deitz, Lawrence...
JSAC
1998
136views more  JSAC 1998»
15 years 6 months ago
Concatenated Decoding with a Reduced-Search BCJR Algorithm
—We apply two reduced-computation variants of the BCJR algorithm to the decoding of serial and parallel concatenated convolutional codes. One computes its recursions at only M st...
Volker Franz, John B. Anderson
222
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ISPAN
2002
IEEE
15 years 11 months ago
Automatic Processor Lower Bound Formulas for Array Computations
In the directed acyclic graph (dag) model of algorithms, consider the following problem for precedence-constrained multiprocessor schedules for array computations: Given a sequenc...
Peter R. Cappello, Ömer Egecioglu
EGC
2005
Springer
16 years 6 days ago
Optimising Parallel Applications on the Grid Using Irregular Array Distributions
In this paper we propose a new approach for scheduling data parallel applications on the Grid using irregular array distributions. We implement the scheduler as a new case study fo...
Radu Prodan, Thomas Fahringer