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» On the Validity of Hierarchical Decompositions
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JGO
2011
89views more  JGO 2011»
12 years 10 months ago
Model building using bi-level optimization
Abstract In many problems from different disciplines such as engineering, physics, medicine, and biology, a series of experimental data is used in order to generate a model that ca...
Georges K. Saharidis, Ioannis P. Androulakis, Mari...
ICASSP
2008
IEEE
14 years 2 months ago
Optical flow robust estimation in a hybrid multi-resolution MRF framework
We propose in this paper a robust multi-resolution technique to estimate dense velocity field from image sequences. It couples a Gaussian pyramidal down-sampling decomposition to...
Cyril Cassisa, Véronique Prinet, Liang Shao...
HICSS
2005
IEEE
142views Biometrics» more  HICSS 2005»
14 years 1 months ago
Integrated Optimization and Multi-Agent Technology for Combined Production and Transportation Planning
In this research project, an integration of multi-agent technology and optimization techniques is suggested for the combined production and transport planning problem in a transpo...
Jan A. Persson, Paul Davidsson
CORR
2008
Springer
99views Education» more  CORR 2008»
13 years 7 months ago
A New Trend in Optimization on Multi Overcomplete Dictionary toward Inpainting
1 Recently, great attention was intended toward overcomplete dictionaries and the sparse representations they can provide. In a wide variety of signal processing problems, sparsity...
Seyyed Majid Valiollahzadeh, Mohammad Nazari, Mass...
ECCV
2008
Springer
14 years 9 months ago
Unsupervised Structure Learning: Hierarchical Recursive Composition, Suspicious Coincidence and Competitive Exclusion
Abstract. We describe a new method for unsupervised structure learning of a hierarchical compositional model (HCM) for deformable objects. The learning is unsupervised in the sense...
Long Zhu, Chenxi Lin, Haoda Huang, Yuanhao Chen, A...