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A Hybrid Scheme for Contour Detection and Completion Based on Topological Gradient and Fast Marching Algorithms - Application to Inpainting and Segmentation

Ahipo, Y.; Auroux, Didier; Cohen, Laurent D.; Masmoudi, Mohamed (2012), A Hybrid Scheme for Contour Detection and Completion Based on Topological Gradient and Fast Marching Algorithms - Application to Inpainting and Segmentation, in Bruckstein, Alfred M.; Ter Haar Romeny, Bart M.; Bronstein, Alexander M.; Bronstein, Michael M., Scale Space and Variational Methods in Computer Vision Third International Conference, SSVM 2011, Ein-Gedi, Israel, May 29 – June 2, 2011, Revised Selected Papers, Springer : Berlin, p. 386-397. http://dx.doi.org/10.1007/978-3-642-24785-9_33

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Type
Communication / Conférence
Date
2012
Conference title
Third International Conference on Scale Space and Variational Methods in Computer Vision (SSVM 2011)
Conference date
2011-05
Conference city
Ein-Gedi
Conference country
Israël
Book title
Scale Space and Variational Methods in Computer Vision Third International Conference, SSVM 2011, Ein-Gedi, Israel, May 29 – June 2, 2011, Revised Selected Papers
Book author
Bruckstein, Alfred M.; Ter Haar Romeny, Bart M.; Bronstein, Alexander M.; Bronstein, Michael M.
Publisher
Springer
Series title
Lecture Notes in Computer Science
Series number
6667
Published in
Berlin
ISBN
978-3-642-24784-2
Number of pages
798
Pages
386-397
Publication identifier
http://dx.doi.org/10.1007/978-3-642-24785-9_33
Metadata
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Author(s)
Ahipo, Y.
Auroux, Didier
Cohen, Laurent D.
Masmoudi, Mohamed
Abstract (EN)
We combine in this paper the topological gradient, which is a powerful method for edge detection in image processing, and a variant of the minimal path method in order to find connected contours. The topological gradient provides a more global analysis of the image than the standard gradient, and identifies the main edges of an image. Several image processing problems (e.g. inpainting and segmentation) require continuous contours. For this purpose, we consider the fast marching algorithm, in order to find minimal paths in the topological gradient image. This coupled algorithm quickly provides accurate and connected contours. We present then two numerical applications, to image inpainting and segmentation, of this hybrid algorithm.
Subjects / Keywords
topological gradient; fast marching; contour completion

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