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PRL
2008
356views more  PRL 2008»
13 years 9 months ago
Improving image segmentation by gradient vector flow and mean shift
The classical gradient vector flow (GVF) method suffers from deficiency in the presence of other significant edges adjacent to the real boundary. In this paper, we propose an impr...
Tangwei Liu, Huiyu Zhou, Faquan Lin, Yusheng Pang,...
SIAMCO
2008
56views more  SIAMCO 2008»
13 years 9 months ago
Singular Trajectories of Control-Affine Systems
Abstract. When applying methods of optimal control to motion planning or stabilization problems, some theoretical or numerical difficulties may arise, due to the presence of specif...
Yacine Chitour, Frédéric Jean, Emman...
IPL
2007
97views more  IPL 2007»
13 years 9 months ago
What is a free name in a process algebra?
There are two popular approaches to specifying the semantics of process algebras: labelled transition semantics and reaction semantics. While the notion of free name is rather unp...
Flemming Nielson, Hanne Riis Nielson, Henrik Pileg...
CAGD
2005
135views more  CAGD 2005»
13 years 9 months ago
Constrained space curve interpolation with constraint planes
We consider the interpolation of a given set of ordered space data points by a smooth curve in the presence ofa set offinite or infinite constraint planes, where the polyline join...
V. P. Kong, B. H. Ong
TSMC
2008
113views more  TSMC 2008»
13 years 9 months ago
Computational Methods for Verification of Stochastic Hybrid Systems
Stochastic hybrid system (SHS) models can be used to analyze and design complex embedded systems that operate in the presence of uncertainty and variability. Verification of reacha...
Xenofon D. Koutsoukos, Derek Riley