1421 search results - page 106 / 285 » Variational image segmentation using boundary functions |
MVA
2000
13 years 9 months ago
2000
Previous works on range image segmentation concentrate on surface patches that can be well represented by certain mathematical functions. In this paper we consider the more qualit...
3DIM
2007
IEEE
14 years 2 months ago
2007
IEEE
Geometric models created from range sensors are usually incomplete. Considerable effort has been made to fix this problem, ranging from manual repairing to geometric interpolatio...
TIP
1998
13 years 7 months ago
1998
This paper examines the relationship between wavelet-based image processing algorithms and variational problems. Algorithms are derived as exact or approximate minimizers of varia...
ICIP
2005
IEEE
14 years 1 months ago
2005
IEEE
Fundamental to any graph cut segmentation methods is the assignment of edge weights. The existing solutions typically use gaussian, exponential or rectangular cost functions with ...
CVPR
2008
IEEE
14 years 10 months ago
2008
IEEE
In this paper, we propose a novel approach to model shape variations. It encodes sparsity, exploits geometric redundancy, and accounts for the different degrees of local variation...