418 search results - page 49 / 84 » Computational Geometry of Contour Extraction |
VIS
2004
IEEE
14 years 8 months ago
2004
IEEE
We describe a general algorithm to produce compatible 3D triangulations from spatial decompositions. Such triangulations match edges and faces across spatial cell boundaries, solv...
SGP
2007
13 years 10 months ago
2007
A robust statistics approach to curvature estimation on discretely sampled surfaces, namely polygon meshes and point clouds, is presented. The method exhibits accuracy, stability ...
CGF
2008
13 years 7 months ago
2008
We present a streaming method for reconstructing surfaces from large data sets generated by a laser range scanner using wavelets. Wavelets provide a localized, multiresolution rep...
SIBGRAPI
2006
IEEE
14 years 1 months ago
2006
IEEE
This work describes a new framework for automatic extraction of 2D branching structures images obtained from 3D shapes, such as neurons and retinopathy images. The majority of met...
ICIP
2007
IEEE
14 years 9 months ago
2007
IEEE
Active contour (snake) approaches have been proved to be efficient tools to extract object boundary precisely. One drawback of these methods is that state-of-the-art snake algorit...