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CVPR
1997
IEEE
14 years 3 months ago
Gradient Vector Flow: A New External Force for Snakes
Snakes, or active contours, are used extensively in computer vision and image processing applications, particularly to locate object boundaries. Problems associated with initializ...
Chenyang Xu, Jerry L. Prince
ICDAR
2007
IEEE
14 years 5 months ago
Skeletonization by Gradient Regularization and Diffusion
This paper describes a skeletonization process for grayscale or color images based on the diffusion of the color gradient vectors by using a simple iterative regularization scheme...
Frank Lebourgeois, Hubert Emptoz
ICPR
2006
IEEE
15 years 18 days ago
Multi-orientation analysis by decomposing the structure tensor and clustering
The structure tensor yields an excellent characterization of the local dimensionality and the corresponding orientation for simple neighborhoods, i.e. neighborhoods exhibiting a s...
Lucas J. van Vliet, Frank G. A. Faas