452 search results - page 86 / 91 » PDE-based fast local level set method |
105
Voted
CVPR
2005
IEEE
16 years 2 months ago
2005
IEEE
This paper presents a novel 3D deformable surface that we call an active polyhedron. Rooted in surface evolution theory, an active polyhedron is a polyhedral surface whose vertice...
109
Voted
VIS
2004
IEEE
16 years 1 months ago
2004
IEEE
We present a novel multiscale approach for flow visualization. We define a local alignment tensor that encodes a measure for alignment to the direction of a given flow field. This...
141
Voted
IPMI
2003
Springer
16 years 1 months ago
2003
Springer
Active Shape Models (ASM) have proven to be an effective approach for image segmentation. In some applications, however, the linear model of gray level appearance around a contour ...
126
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INFOCOM
2009
IEEE
15 years 7 months ago
2009
IEEE
—Detecting event frontline or boundary sensors in a complex sensor network environment is one of the critical problems for sensor network applications. In this paper, we propose ...
131
Voted
VISUALIZATION
2003
IEEE
15 years 5 months ago
2003
IEEE
This paper introduces a method for converting an image or volume sampled on a regular grid into a space-efficient irregular point hierarchy. The conversion process retains the ori...