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» Iterative Methods in Combinatorial Optimization
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IPPS
1999
IEEE
15 years 7 months ago
A Graph Based Framework to Detect Optimal Memory Layouts for Improving Data Locality
In order to extract high levels of performance from modern parallel architectures, the effective management of deep memory hierarchies is very important. While architectural advan...
Mahmut T. Kandemir, Alok N. Choudhary, J. Ramanuja...
MP
2010
154views more  MP 2010»
15 years 1 months ago
A null-space primal-dual interior-point algorithm for nonlinear optimization with nice convergence properties
Abstract. We present a null-space primal-dual interior-point algorithm for solving nonlinear optimization problems with general inequality and equality constraints. The algorithm a...
Xinwei Liu, Yaxiang Yuan
MICCAI
2007
Springer
16 years 4 months ago
Non-rigid Image Registration Using Graph-cuts
Non-rigid image registration is an ill-posed yet challenging problem due to its supernormal high degree of freedoms and inherent requirement of smoothness. Graph-cuts method is a p...
Tommy W. H. Tang, Albert C. S. Chung
SIAMCOMP
2000
88views more  SIAMCOMP 2000»
15 years 2 months ago
Gadgets, Approximation, and Linear Programming
We present a linear programming-based method for nding \gadgets", i.e., combinatorial structures reducing constraints of one optimization problem to constraints of another. A...
Luca Trevisan, Gregory B. Sorkin, Madhu Sudan, Dav...
TIP
2010
160views more  TIP 2010»
14 years 10 months ago
Development and Optimization of Regularized Tomographic Reconstruction Algorithms Utilizing Equally-Sloped Tomography
We develop two new algorithms for tomographic reconstruction which incorporate the technique of equally-sloped tomography (EST) and allow for the optimized and flexible implementat...
Yu Mao, Benjamin P. Fahimian, Stanley Osher, Jianw...