HOGMep: Variational Bayes and higher-order graphical models applied to joint image recovery and segmentation

Abstract : Variational Bayesian approaches have been successfully applied to image segmentation. They usually rely on a Potts model for the hidden label variables and a Gaussian assumption on pixel intensities within a given class. Such models may however be limited, especially in the case of multicomponent images. We overcome this limitation with HOGMep, a Bayesian formulation based on a higher-order graphical model (HOGM) on labels and a Multivari-ate Exponential Power (MEP) prior for intensities in a class. Then, we develop an efficient statistical estimation method to solve the associated problem. Its flexibility accommodates to a broad range of applications, demonstrated on multicomponent image segmentation and restoration.
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Aurélie Pirayre, Yuling Zheng, Laurent Duval, Jean-Christophe Pesquet. HOGMep: Variational Bayes and higher-order graphical models applied to joint image recovery and segmentation. 2017 IEEE International Conference on Image Processing (ICIP), Sep 2017, Beijing, China. ⟨10.1109/ICIP.2017.8296988⟩. ⟨hal-01862840⟩

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