Sciweavers

3482 search results - page 398 / 697
» In Praise of Numerical Computation
Sort
View
ICCS
2009
Springer
14 years 5 months ago
Experience with Approximations in the Trust-Region Parallel Direct Search Algorithm
Recent years have seen growth in the number of algorithms designed to solve challenging simulation-based nonlinear optimization problems. One such algorithm is the Trust-Region Par...
S. M. Shontz, V. E. Howle, P. D. Hough
SCALESPACE
2009
Springer
14 years 5 months ago
An Unconstrained Multiphase Thresholding Approach for Image Segmentation
Abstract. In this paper we provide a method to find global minimizers of certain non-convex 2-phase image segmentation problems. This is achieved by formulating a convex minimizat...
Benjamin Berkels
ACMSE
2009
ACM
14 years 5 months ago
Bit vector algorithms enabling high-speed and memory-efficient firewall blacklisting
In a world of increasing Internet connectivity coupled with increasing computer security risks, security conscious network applications implementing blacklisting technology are be...
J. Lane Thames, Randal Abler, David Keeling
CW
2008
IEEE
14 years 5 months ago
Real-Time Marker Level Set on GPU
Level set methods have been extensively used to track the dynamical interfaces between different materials for physically based simulation, geometry modeling, oceanic modeling and...
Xing Mei, Philippe Decaudin, Bao-Gang Hu, Xiaopeng...
IPPS
2007
IEEE
14 years 5 months ago
On the Design of Online Scheduling Algorithms for Advance Reservations and QoS in Grids
Abstract— We consider the problem of providing QoS guarantees to Grid users through advance reservation of resources. Advance reservation mechanisms provide the ability to alloca...
Claris Castillo, George N. Rouskas, Khaled Harfous...