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SIGPRO
2011
229views Hardware» more  SIGPRO 2011»
15 years 1 months ago
Fast and exact synthesis of stationary multivariate Gaussian time series using circulant embedding
A fast and exact procedure for the numerical synthesis of stationary multivariate Gaussian time series with a priori prescribed and well controlled autoand cross-covariance functi...
Hannes Helgason, Vladas Pipiras, Patrice Abry
TCS
2011
15 years 1 months ago
Pricing commodities
How should a seller price her goods in a market where each buyer prefers a single good among his desired goods, and will buy the cheapest such good, as long as it is within his bu...
Robert Krauthgamer, Aranyak Mehta, Atri Rudra
TELE
2011
211views Education» more  TELE 2011»
15 years 1 months ago
An exploration of user-generated wireless broadband infrastructures in digital cities
This paper examines the broadband connectivity options available in digital cities. It offers an overview of services provided by commercial operators, the public sector and by ci...
Catherine A. Middleton, Amelia Bryne
TIP
2011
195views more  TIP 2011»
15 years 1 months ago
Accelerating X-Ray Data Collection Using Pyramid Beam Ray Casting Geometries
Abstract—Image reconstruction from its projections is a necessity in many applications such as medical (CT), security, inspection, and others. This paper extends the 2-D Fan-beam...
Amir Averbuch, Guy Lifschitz, Yoel Shkolnisky
TIP
2011
106views more  TIP 2011»
15 years 1 months ago
Practical Bounds on Image Denoising: From Estimation to Information
—Recently, in a previous work, we proposed a way to bound how well any given image can be denoised. The bound was computed directly from the noise-free image that was assumed to ...
Priyam Chatterjee, Peyman Milanfar