A. El Ghoul
Phase diagram of a long bar under a higher-order active contour energy: application to hydrographic network extraction from VHR satellite images
El Ghoul, A.; Jermyn, I.H.; Zerubia, J.
Abstract
The segmentation of networks is important in several imaging domains, and models incorporating prior shape knowledge are often essential for the automatic performance of this task. Higher-order active contours provide a way to include such knowledge, but their behaviour can vary significantly with parameter values: e.g. the same energy can model networks or a dasiagas of circlespsila. In this paper, we present a stability analysis of a HOAC energy leading to the phase diagram of a long bar. The results, which are confirmed by numerical experiments, enable the selection of parameter values for the modelling of network shapes using the energy. We apply the resulting model to the problem of hydrographic network extraction from VHR satellite images.
Citation
El Ghoul, A., Jermyn, I., & Zerubia, J. (2008). Phase diagram of a long bar under a higher-order active contour energy: application to hydrographic network extraction from VHR satellite images. In 19th International Conference on Pattern Recognition 2008, (ICPR 2008) (1-4). https://doi.org/10.1109/icpr.2008.4761894
Conference Name | 19th International Conference on Pattern Recognition |
---|---|
Conference Location | Tampa, Florida |
Publication Date | Dec 1, 2008 |
Deposit Date | Aug 12, 2011 |
Publicly Available Date | Mar 29, 2024 |
Pages | 1-4 |
Series ISSN | 1051-4651 |
Book Title | 19th International Conference on Pattern Recognition 2008, (ICPR 2008) |
DOI | https://doi.org/10.1109/icpr.2008.4761894 |
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