418 search results - page 29 / 84 » Computational Geometry of Contour Extraction |
CVPR
2011
IEEE
13 years 3 months ago
2011
IEEE
Shape matching has many applications in computer vision, such as shape classification, object recognition, object detection, and localization. In 2D cases, shape instances are 2D c...
ICPR
2008
IEEE
14 years 2 months ago
2008
IEEE
Natural fractures may greatly affect wellbore stability and fluid flow in oil reservoirs. The detection of fracture heterogeneities—also named fracture traces—on electrical im...
IEEECGIV
2009
IEEE
14 years 2 months ago
2009
IEEE
—We present a novel algorithm to segment a 3D surface mesh into visually meaningful regions. Our approach is based on an analysis of the local geometry of vertices. In particular...
RT
1999
Springer
13 years 12 months ago
1999
Springer
The dramatically increasing size of polygonal models resulting from 3D scanning devices and advanced modeling techniques requires new approaches to reduce the load of geometry tran...
CVPR
2009
IEEE
15 years 2 months ago
2009
IEEE
This paper covers a fundamental problem of local phase
based signal processing: the isotropic generalization of the
classical 1D analytic signal to two dimensions. The well
know...