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» On the Computation of Correctly-Rounded Sums
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VC
2010
182views more  VC 2010»
15 years 2 months ago
Color invariant chroma keying and color spill neutralization for dynamic scenes and cameras
Abstract In this article we show, how temporal backdrops that alternately change their color rapidly at recording rate can aid chroma keying by transforming color spill into a neut...
Anselm Grundhöfer, Daniel Kurz, Sebastian Thi...
VTC
2010
IEEE
124views Communications» more  VTC 2010»
15 years 2 months ago
A Novel Sampling Method for the Spatial Frequencies of Sinusoid-Based Shadowing Models
Abstract—Careful modeling of the radio channel characteristics is an important issue for system level simulations. While a number of detailed path loss, shadowing and fast fading...
Siegfried Klein, Serkan Uygungelen, Christian M. M...
ICIP
2010
IEEE
15 years 1 months ago
A novel V-line Radon transform and its imaging applications
The Radon transform (RT) on straight lines deals as mathematical foundation for many tomographic modalities (e.g. Xray scanner, Positron Emission Tomography), using only primary r...
Marcela Morvidone, Tuong T. Truong, Mai K. Nguyen,...
ESWS
2011
Springer
14 years 7 months ago
Optimizing Query Shortcuts in RDF Databases
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
Vicky Dritsou, Panos Constantopoulos, Antonios Del...
INFOCOM
2011
IEEE
14 years 7 months ago
A nearly-optimal index rule for scheduling of users with abandonment
—We analyze a comprehensive model for multi-class job scheduling accounting for user abandonment, with the objective of minimizing the total discounted or time-average sum of lin...
Urtzi Ayesta, Peter Jacko, Vladimir Novak