1421 search results - page 205 / 285 » Variational image segmentation using boundary functions |
CVIU
2007
13 years 8 months ago
2007
We investigate the problem of automatically creating 3D models of man-made environments that we represent as collections of textured planes. A typical approach is to automatically...
TMI
2008
13 years 8 months ago
2008
Abstract--Voxel-based reconstructions in diffuse optical tomography (DOT) using a quadratic regularization functional tend to produce very smooth images due to the attenuation of h...
ICCV
2007
IEEE
14 years 10 months ago
2007
IEEE
The maximum flow algorithm for minimizing energy functions of binary variables has become a standard tool in computer vision. In many cases, unary costs of the energy depend linea...
SIBGRAPI
2006
IEEE
14 years 2 months ago
2006
IEEE
This paper addresses the problem of foreground extraction using active illumination and graph-cut optimization. Our approach starts by detecting image regions that are likely to b...
GIS
2008
ACM
14 years 9 months ago
2008
ACM
This paper presents an automatic algorithm which reconstructs building models from airborne LiDAR (light detection and ranging) data of urban areas. While our algorithm inherits t...