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VISUALIZATION
2002
IEEE
14 years 14 days ago
Direct Surface Extraction from 3D Freehand Ultrasound Images
This paper presents a new technique for the extraction of surfaces from 3D ultrasound data. Surface extraction from ultrasound data is challenging for a number of reasons includin...
Youwei Zhang, Robert Rohling, Dinesh K. Pai
ICCAD
1994
IEEE
80views Hardware» more  ICCAD 1994»
13 years 11 months ago
Macromodeling of analog circuits for hierarchical circuit design
{ Hierarchy plays a signi cant role in the design of digital and analog circuits. At each level of the hierarchy it becomes essential to evaluate if a sub-block design is feasible ...
Jianfeng Shao, Ramesh Harjani
SIAMCO
2010
169views more  SIAMCO 2010»
13 years 2 months ago
Shape Derivative of Drag Functional
Abstract. In the paper compressible, stationary Navier-Stokes (N-S) equations are considered. The model is well-posed, there exist weak solutions in bounded domains, subject to inh...
Pavel I. Plotnikov, Jan Sokolowski
SMA
2008
ACM
154views Solid Modeling» more  SMA 2008»
13 years 7 months ago
Consistent computation of first- and second-order differential quantities for surface meshes
Differential quantities, including normals, curvatures, principal directions, and associated matrices, play a fundamental role in geometric processing and physics-based modeling. ...
Xiangmin Jiao, Hongyuan Zha
ML
2002
ACM
168views Machine Learning» more  ML 2002»
13 years 7 months ago
On Average Versus Discounted Reward Temporal-Difference Learning
We provide an analytical comparison between discounted and average reward temporal-difference (TD) learning with linearly parameterized approximations. We first consider the asympt...
John N. Tsitsiklis, Benjamin Van Roy