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EOR
2007
117views more  EOR 2007»
15 years 6 months ago
Simultaneous perturbation stochastic approximation of nonsmooth functions
A simultaneous perturbation stochastic approximation (SPSA) method has been developed in this paper, using the operators of perturbation with the Lipschitz density function. This ...
Vaida Bartkute, Leonidas Sakalauskas
TIT
2008
73views more  TIT 2008»
15 years 6 months ago
L-CAMP: Extremely Local High-Performance Wavelet Representations in High Spatial Dimension
A new wavelet-based methodology for representing data on regular grids is introduced and studied. The main attraction of this new L-CAMP methodology is in the way it scales with th...
Youngmi Hur, Amos Ron
TMI
2008
93views more  TMI 2008»
15 years 6 months ago
Anisotropic Field-of-Views in Radial Imaging
Abstract--Radial imaging techniques, such as projection-reconstruction (PR), are used in magnetic resonance imaging (MRI) for dynamic imaging, angiography, and short- 2 imaging. Th...
Peder E. Z. Larson, Paul T. Gurney, Dwight G. Nish...
TMI
2008
109views more  TMI 2008»
15 years 6 months ago
Efficient Multilevel Brain Tumor Segmentation With Integrated Bayesian Model Classification
Abstract-- We present a new method for automatic segmentation of heterogeneous image data that takes a step toward bridging the gap between bottom-up affinity-based segmentation me...
Jason J. Corso, Eitan Sharon, S. Dube, Suzie El-Sa...
TOG
2008
180views more  TOG 2008»
15 years 6 months ago
Interactive relighting of dynamic refractive objects
We present a new technique for interactive relighting of dynamic refractive objects with complex material properties. We describe our technique in terms of a rendering pipeline in...
Xin Sun, Kun Zhou, Eric J. Stollnitz, Jiaoying Shi...