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AMC
2010
143views more  AMC 2010»
15 years 4 months ago
Fixed-point iterations in determining a Tikhonov regularization parameter in Kirsch's factorization method
Kirsch's factorization method is a fast inversion technique for visualizing the profile of a scatterer from measurements of the far-field pattern. The mathematical basis of t...
Koung Hee Leem, George Pelekanos, Fermín S....
CAD
2006
Springer
15 years 4 months ago
Field modeling with sampled distances
Traditional mesh-based approaches to the modeling and analysis of physical fields within geometric models require some form of topological reconstruction and conversion in the mes...
Michael Freytag, Vadim Shapiro, Igor G. Tsukanov
TIP
2008
95views more  TIP 2008»
15 years 4 months ago
Optimization of Packetization Masks for Image Coding Based on an Objective Cost Function for Desired Packet Spreading
In image communication over lossy packet networks (e.g., cell phone communication) packet loss errors lead to damaged images. Damaged images can be repaired with passive error conc...
Joost Rombaut, Aleksandra Pizurica, Wilfried Phili...
TMI
2008
138views more  TMI 2008»
15 years 4 months ago
Accurate Event-Driven Motion Compensation in High-Resolution PET Incorporating Scattered and Random Events
With continuing improvements in spatial resolution of positron emission tomography (PET) scanners, small patient movements during PET imaging become a significant source of resolut...
Arman Rahmim, Katie Dinelle, Ju-Chieh Cheng, Mikha...
TVCG
2008
144views more  TVCG 2008»
15 years 4 months ago
Silhouette Smoothing for Real-Time Rendering of Mesh Surfaces
Coarse piecewise linear approximation of surfaces causes undesirable polygonal appearance of silhouettes. We present an efficient method for smoothing the silhouettes of coarse tri...
Lu Wang, Changhe Tu, Wenping Wang, Xiangxu Meng, B...