207 search results - page 25 / 42 » Object Boundary Detection in Images using a Semantic Ontolog... |
CVPR
2007
IEEE
14 years 9 months ago
2007
IEEE
We describe a new hierarchical representation for twodimensional objects that captures shape information at multiple levels of resolution. This representation is based on a hierar...
MIR
2005
ACM
14 years 1 months ago
2005
ACM
A typical way to perform video annotation requires to classify video elements (e.g. events and objects) according to some pre-defined ontology of the video content domain. Ontolo...
ECCV
2010
Springer
13 years 10 months ago
2010
Springer
This paper proposes a novel approach to segment three dimensional curvilinear structures, particularly vessels in angiography, by inspecting the symmetry of image gradients. The pr...
SCALESPACE
2009
Springer
14 years 2 days ago
2009
Springer
Abstract. We introduce a novel implicit approach for surface patch segmentation in 3D images starting from a single point. Since the boundary surface of an object is locally homeom...
CVPR
1996
IEEE
13 years 11 months ago
1996
IEEE
A new boundary detection approach for shape modeling is presented. It detects the global minimum of an active contour model's energy between two end points. Initialization is ...