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» Iterative compression and exact algorithms
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ICIP
1999
IEEE
14 years 11 months ago
Efficient Approximation of Gray-Scale Images Through Bounded Error Triangular Meshes
This paper presents an iterative algorithm for approximating gray-scale images with adaptive triangular meshes ensuring a given tolerance. At each iteration, the algorithm applies...
Angel Domingo Sappa, Boris Xavier Vintimilla, Migu...
AAIM
2010
Springer
165views Algorithms» more  AAIM 2010»
14 years 1 months ago
Finding Good Tours for Huge Euclidean TSP Instances by Iterative Backbone Contraction
Abstract. This paper presents an iterative, highly parallelizable approach to find good tours for very large instances of the Euclidian version of the well-known Traveling Salesma...
Christian Ernst, Changxing Dong, Gerold Jäger...
CORR
2011
Springer
214views Education» more  CORR 2011»
13 years 1 months ago
Convex Approaches to Model Wavelet Sparsity Patterns
Statistical dependencies among wavelet coefficients are commonly represented by graphical models such as hidden Markov trees (HMTs). However, in linear inverse problems such as d...
Nikhil S. Rao, Robert D. Nowak, Stephen J. Wright,...
EUROPAR
2007
Springer
14 years 4 months ago
Asynchronous Distributed Power Iteration with Gossip-Based Normalization
The dominant eigenvector of matrices defined by weighted links in overlay networks plays an important role in many peer-to-peer applications. Examples include trust management, im...
Márk Jelasity, Geoffrey Canright, Kenth Eng...
ICIP
2000
IEEE
14 years 11 months ago
Simultaneous Motion Estimation and Resolution Enhancement of Compressed low Resolution Video
In this work we propose an iterative algorithm for simultaneously estimating the motion field and high resolution frames from a compressed low resolution video sequence. The algor...
Javier Mateos, Aggelos K. Katsaggelos, Rafael Moli...