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Hyperspectral Super-Resolution With Coupled Tucker Approximation: Recoverability and SVD-Based Algorithms
IEEE Transactions on Signal Processing ( IF 4.6 ) Pub Date : 2020-01-15 , DOI: 10.1109/tsp.2020.2965305
Clemence Prevost , Konstantin Usevich , Pierre Comon , David Brie

We propose a novel approach for hyperspectral super-resolution, that is based on low-rank tensor approximation for a coupled low-rank multilinear (Tucker) model. We show that the correct recovery holds for a wide range of multilinear ranks. For coupled tensor approximation, we propose two SVD-based algorithms that are simple and fast, but with a performance comparable to the state-of-the-art methods. The approach is applicable to the case of unknown spatial degradation and to the pansharpening problem.

中文翻译:


耦合塔克近似的高光谱超分辨率:可恢复性和基于 SVD 的算法



我们提出了一种新的高光谱超分辨率方法,该方法基于耦合低秩多线性(Tucker)模型的低秩张量近似。我们证明了正确的恢复适用于广泛的多线性等级。对于耦合张量逼近,我们提出了两种基于 SVD 的算法,它们简单而快速,但性能与最先进的方法相当。该方法适用于未知空间退化的情况和全色锐化问题。
更新日期:2020-01-15
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