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CVPR
2010
IEEE
14 years 4 months ago
Estimation of Image Bias Field with Sparsity Constraints
We propose a new scheme to estimate image bias field through introducing two sparsity constraints. One is that the bias-free image has concise representation with image gradients o...
Yuanjie Zheng and James C. Gee
ICIP
2001
IEEE
14 years 9 months ago
Image retrieval with relevance feedback: from heuristic weight adjustment to optimal learning methods
Various relevance feedback algorithms have been proposed in recent years in the area of content-based image retrieval. This paper gives a brief review and analysis on existing tec...
Xiang Sean Zhou, Thomas S. Huang
ANOR
2008
93views more  ANOR 2008»
13 years 7 months ago
Pruning in column generation for service vehicle dispatching
Abstract Column generation techniques have become a widely used technique to successfully solve large (integer) linear programs. One of the keys to obtaining a practically efficien...
Stephan Westphal, Sven Oliver Krumke
VLDB
2005
ACM
117views Database» more  VLDB 2005»
14 years 1 months ago
Parallel Querying with Non-Dedicated Computers
We present DITN, a new method of parallel querying based on dynamic outsourcing of join processing tasks to non-dedicated, heterogeneous computers. In DITN, partitioning is not th...
Vijayshankar Raman, Wei Han, Inderpal Narang
NA
2010
104views more  NA 2010»
13 years 2 months ago
New interpolants for asymptotically correct defect control of BVODEs
The defect of a continuous approximate solution to an ODE is the amount by which that approximation fails to satisfy the ODE. A number of studies have explored the use of asymptot...
Wayne H. Enright, P. H. Muir