418 search results - page 56 / 84 » Computational Geometry of Contour Extraction |
ACCV
2010
Springer
13 years 2 months ago
2010
Springer
Abstract. Scene categorization is an important mechanism for providing high-level context which can guide methods for a more detailed analysis of scenes. State-of-the-art technique...
COMPGEOM
2004
ACM
14 years 1 months ago
2004
ACM
The Reeb graph is a useful tool in visualizing real-valued data obtained from computational simulations of physical processes. We characterize the evolution of the Reeb graph of a...
COMPGEOM
2006
ACM
13 years 11 months ago
2006
ACM
Despite extensive study over the last four decades and numerous applications, no I/O-efficient algorithm is known for the union-find problem. In this paper we present an I/O-effic...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
In this paper, we propose a general framework for approximating differential operator directly on point clouds and use it for geometric understanding on them. The discrete approxi...
CVPR
2007
IEEE
14 years 1 months ago
2007
IEEE
Energy-minimizing active contour models (snakes) have been proposed for solving many computer vision problems such as object segmentation, surface reconstruction, and object track...