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APPROX
2009
Springer
156views Algorithms» more  APPROX 2009»
14 years 2 months ago
Small-Bias Spaces for Group Products
Small-bias, or -biased, spaces have found many applications in complexity theory, coding theory, and derandomization. We generalize the notion of small-bias spaces to the setting ...
Raghu Meka, David Zuckerman
ICPR
2008
IEEE
14 years 2 months ago
Medical image segmentation via min s-t cuts with sides constraints
Graph cut algorithms (i.e., min s-t cuts) [3][10][15] are useful in many computer vision applications. In this paper we develop a formulation that allows the addition of side cons...
Jiun-Hung Chen, Linda G. Shapiro
ICPR
2008
IEEE
14 years 2 months ago
A self-organized approach for unsupervised fault detection in multiple systems
An approach is proposed for automatic fault detection in a population of mechatronic systems. The idea is to employ self-organizing algorithms that produce lowdimensional represen...
Thorsteinn S. Rögnvaldsson, Georg Panholzer, ...
MMSP
2008
IEEE
125views Multimedia» more  MMSP 2008»
14 years 2 months ago
Distortion evaluation in transform domain for adaptive lifting schemes
Abstract—In this paper we study the problem of evaluating the reconstruction distortion in the wavelet domain when adaptive lifting schemes (ALS) are used for the direct and inve...
Sara Parrilli, Marco Cagnazzo, Béatrice Pes...
ICC
2007
IEEE
136views Communications» more  ICC 2007»
14 years 2 months ago
Sphere Decoder for a MIMO Multi-User MC-CDMA Uplink in Time-Varying Channels
— We focus on iterative detection for the uplink of a multi-carrier (MC) code division multiple access (CDMA) system based on orthogonal frequency division multiplexing (OFDM). T...
Charlotte Dumard, Thomas Zemen