Multi-Layer Joint Segmentation Using MRF and Graph Cuts

Abstract : The problem of jointly segmenting objects, according to L labels, from a set of K images to produce K individual segmentations plus one joint segmentation, can be cast as a Markov Random Field model. Coupling terms in the considered energy function enforce the consistency between the individual segmentations and the joint segmentation. However, neither optimality on the minimizer (at least for particular cases), nor the sensitivity of the parameters, nor the robustness of this approach against standard ones have been clearly discussed before. This paper focuses on the case where L>1, K>1 and the segmentation problem is handled using graph cuts. Noticeably, some properties of the considered energy function are demonstrated, such as global optimality when L=2 and K>1, the link with majority voting and the link with naive Bayes segmentation. Experiments on synthetic and real images depict superior segmentation performance and better robustness against noisy observations.
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https://hal.archives-ouvertes.fr/hal-02125044
Contributor : Nicolas Lermé <>
Submitted on : Friday, May 10, 2019 - 9:55:57 AM
Last modification on : Wednesday, May 15, 2019 - 4:25:10 PM

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  • HAL Id : hal-02125044, version 1

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Nicolas Lermé, Sylvie Le Hégarat-Mascle, François Malgouyres, Marie Lachaize. Multi-Layer Joint Segmentation Using MRF and Graph Cuts. 2019. ⟨hal-02125044⟩

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