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JMIV
2010
98views more  JMIV 2010»
13 years 8 months ago
Expectations of Random Sets and Their Boundaries Using Oriented Distance Functions
Shape estimation and object reconstruction are common problems in image analysis. Mathematically, viewing objects in the image plane as random sets reduces the problem of shape es...
Hanna K. Jankowski, Larissa I. Stanberry
JPDC
2010
65views more  JPDC 2010»
13 years 8 months ago
Combining shared-coin algorithms
This paper shows that shared coin algorithms can be combined to optimize several complexity measures, even in the presence of a strong adversary. By combining shared coins of Brac...
James Aspnes, Hagit Attiya, Keren Censor
SIAMJO
2010
108views more  SIAMJO 2010»
13 years 8 months ago
Exposed Faces of Semidefinitely Representable Sets
A linear matrix inequality (LMI) is a condition stating that a symmetric matrix whose entries are affine linear combinations of variables is positive semidefinite. Motivated by th...
Tim Netzer, Daniel Plaumann, Markus Schweighofer
TIP
2010
127views more  TIP 2010»
13 years 8 months ago
Bayesian Compressive Sensing Using Laplace Priors
In this paper we model the components of the compressive sensing (CS) problem, i.e., the signal acquisition process, the unknown signal coefficients and the model parameters for ...
S. Derin Babacan, Rafael Molina, Aggelos K. Katsag...
TMI
2010
94views more  TMI 2010»
13 years 8 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