Abstract
A discrete regularization framework on graphs is proposed and studied for color image filtering purposes when images are represented by grid graphs. Image filtering is considered as a variational problem which consists in minimizing an appropriate energy function. In this paper, we propose a general discrete regularization framework defined on weighted graphs which can be seen as a discrete analogue of classical regularization theory. With this formulation, we propose a family of fast and simple anisotropic linear and nonlinear filters. The parameters of the proposed discrete regularization are estimated to have a parameterless filtering.
This research work was partially supported by the ANR foundation under grant ANR-06-MDCA-008-01/FOGRIMMI.
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Lezoray, O., Bougleux, S., Elmoataz, A. (2007). Parameterless Discrete Regularization on Graphs for Color Image Filtering. In: Kamel, M., Campilho, A. (eds) Image Analysis and Recognition. ICIAR 2007. Lecture Notes in Computer Science, vol 4633. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74260-9_5
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DOI: https://doi.org/10.1007/978-3-540-74260-9_5
Publisher Name: Springer, Berlin, Heidelberg
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