778 search results - page 14 / 156 » Vector field contours |
ICRA
2007
IEEE
14 years 3 months ago
2007
IEEE
— We introduce an algorithm which detects and traces a specified level set of a scalar field (a contour) on a plane. A network of static sensor nodes with limited communication...
ICPR
2002
IEEE
14 years 2 months ago
2002
IEEE
Active Contour (or Snake) Model is recognized as one of the efficient tools for 2D/3D image segmentation. However, traditional snake models prove to be limited in several aspects...
CRV
2004
IEEE
14 years 1 months ago
2004
IEEE
- This paper presents a global method to process monocular image sequences for mobile robot obstacle detection. We do not aim to achieve a complete scene reconstruction, but only t...
IJCNN
2006
IEEE
14 years 3 months ago
2006
IEEE
—This paper presents an Improved Snake Model (ISM) effective for performing fast image segmentation. The work takes advantage of two well-known snake models of Balloon [1] and GG...
VISUALIZATION
1999
IEEE
14 years 1 months ago
1999
IEEE
We present a method for the hierarchical representation of vector fields. Our approach is based on iterative refinement using clustering and principal component analysis. The inpu...