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首页> 外文期刊>University of Bucharest. Annals. Mathematical Series >Robust multi-frame super-resolution with non-parametric deformations using diffusion registration
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Robust multi-frame super-resolution with non-parametric deformations using diffusion registration

机译:使用扩散配准的非参数变形的稳健多帧超分辨率

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摘要

In this paper, we present a new approach of super-resolution. Since almost all super-resolution problems suffer from the motion and blur estimations, new techniques are considered to improve the registration and restoration steps. The proposed method consists of a non parametric registration based on diffusion regularisation and a total variation restoration in the reconstitution step, since super-resolution reconstruction is actually an ill-posed problem. We consider that the deformation is not parametric and differs from one image to another. We also prove the existence of a solution to the two well posed problems (registration and debluring). Simulation results show the effectiveness and robustness of our algorithm against small deformations compared to other existing methods.
机译:在本文中,我们提出了一种超分辨率的新方法。由于几乎所有超分辨率问题都受到运动和模糊估计的影响,因此,人们考虑采用新技术来改善配准和恢复步骤。所提出的方法包括基于扩散正则化的非参数配准和重构步骤中的总变化恢复,因为超分辨率重构实际上是一个不适定的问题。我们认为变形不是参数化的,并且从一个图像到另一个图像是不同的。我们还证明了存在的两个问题(注册和清除问题)的解决方案。仿真结果表明,与其他现有方法相比,我们的算法对小变形的有效性和鲁棒性。

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