470 search results - page 36 / 94 » Boundary based shape orientation |
CGF
2007
13 years 8 months ago
2007
We propose a variational approach to computing an optimal segmentation of a 3D shape for computing a union of tight bounding volumes. Based on an affine invariant measure of e-ti...
CVIU
2004
13 years 8 months ago
2004
The generation of 3-D models from uncalibrated image sequences is a challenging problem that has been investigated in many research activities in the last decade. In particular, a...
ICPR
2010
IEEE
13 years 6 months ago
2010
IEEE
In this paper, we propose a novel approach for identity verification based on the directional analysis of velocity-based partitions of an on-line signature. First, interfeature dep...
ICCV
2003
IEEE
14 years 1 months ago
2003
IEEE
A new approach to automatically extract the main features in color fundus images are proposed in this paper. Optic disk is localized by the principal component analysis (PCA) and ...
BMVC
2002
13 years 10 months ago
2002
A qualitative image description grammar with automatic image fitting and object modelling algorithms is presented. The grammar is based on assigning a square sub-region of an imag...