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ICASSP
2011
IEEE
14 years 1 months ago
Sparse spectral factorization: Unicity and reconstruction algorithms
Spectral factorization is a classical tool in signal processing and communications. It also plays a critical role in X-ray crystallography, in the context of phase retrieval. In t...
Yue M. Lu, Martin Vetterli
63
Voted
SIAMSC
2008
165views more  SIAMSC 2008»
14 years 9 months ago
Iterated Hard Shrinkage for Minimization Problems with Sparsity Constraints
Abstract. A new iterative algorithm for the solution of minimization problems in infinitedimensional Hilbert spaces which involve sparsity constraints in form of p-penalties is pro...
Kristian Bredies, Dirk A. Lorenz
IBPRIA
2003
Springer
15 years 2 months ago
A 3D Ultrasound System for Medical Diagnosis
This paper presents a system for 3D ultrasound which aims to reconstruct a volume of interest from a set of ultrasound images. A Bayesian reconstruction algorithm has been recently...
João M. Sanches, Jorge S. Marques, Fausto P...
ICIP
2002
IEEE
15 years 2 months ago
An iterative algorithm for context selection in adaptive entropy coders
Context-based adaptive entropy coding is an essential feature of modern image compression algorithms; however, the design of these coders is non-trivial due to the balance that mu...
Tong Jin, Jacques Vaisey
67
Voted
IROS
2009
IEEE
136views Robotics» more  IROS 2009»
15 years 4 months ago
Floating visual grasp of unknown objects
— A new method for fast visual grasp of unknown objects using a camera mounted on a robot in an eye-inhand configuration is presented. The method is composed of a fast iterative...
Vincenzo Lippiello, Fabio Ruggiero, Luigi Villani