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Extended Mumford-Shah Regularization in Bayesian Estimation for Blind Image Deconvolution and Segmentation

机译:在贝叶斯估算中延伸Mumford-Shah正规化盲目图像折卷积和分割

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We present an extended Mumford-Shah regularization for blind image deconvolution and segmentation in the context of Bayesian estimation for blurred, noisy images or video sequences. The Mumford-Shah functional is extended to have cost terms for the estimation of blur kernels via a newly introduced prior solution space. This functional is minimized using Γ-convergence approximation in an embedded alternating minimization within Neumann conditions. Accurate blur identification is the basis of edge-preserving image restoration in the extended Mumford-Shah regularization. One output of the finite set of curves and object boundaries are grouped and partitioned via a graph theoretical approach for the segmentation of blurred objects. The chosen regularization parameters using the L-curve method is presented.
机译:我们在模糊,嘈杂的图像或视频序列的贝叶斯估计的背景下,为盲目图像解卷积和分割提出了一个扩展的Mumford-Shah正常化。 Mumford-Shah功能延长以通过新引入的先前解决方案空间估计模糊内核的成本术语。使用Neumann条件内的嵌入式交替最小化中的γ收敛近似最小化该功能。准确的模糊识别是扩展Mumford-Shah规范中的边缘保留图像恢复的基础。有限组曲线和对象边界的一个输出被分组并通过图形理论方法进行分组,用于模糊对象的分割。呈现了使用L-Curve方法的选择正则化参数。

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