Abstract
We use an unconditionally stable numerical scheme to implement a fast version of the geodesic active contour model. The proposed scheme is useful for object segmentation in images, like tracking moving objects in a sequence of images. The method is based on the Weickert–Romeney–Viergever (additive operator splitting) AOS scheme. It is applied at small regions, motivated by Adalsteinsson-Sethian level set narrow band approach, and uses Sethian's fast marching method for re-initialization. Experimental results demonstrate the power of the new method for tracking in color movies.
- Publication:
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IEEE Transactions on Image Processing
- Pub Date:
- 2001
- DOI:
- Bibcode:
- 2001ITIP...10.1467G
- Keywords:
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- Additive operator splitting;
- color;
- geodesic active contours;
- level sets;
- numerical scheme;
- partial differential equations;
- segmentation;
- tracking