How Does the Low-Rank Matrix Decomposition Help Internal and External Learnings for Super-Resolution
How Does the Low-Rank Matrix Decomposition Help Internal and External Learnings for Super-Resolution
复制标题
低秩矩阵分解如何帮助超分辨率的内部和外部学习
DOI:
10.1109/tip.2017.2768185
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发表时间:
2016-04
影响因子:
10.6
通讯作者:
Licheng Jiao
中科院分区:
文献类型:
--
作者:
Shuang Wang;Bo Yue;Xuefeng Liang;Licheng Jiao
Wisely utilizing the internal and external learning methods is a new challenge in super-resolution problem. To address this issue, we analyze the attributes of two methodologies and find two observations of their recovered details: 1) they are complementary in both feature space and image plane and 2) they distribute sparsely in the spatial space. These inspire us to propose a low-rank solution which effectively integrates two learning methods and then achieves a superior result. To fit this solution, the internal learning method and the external learning method are tailored to produce multiple preliminary results. Our theoretical analysis and experiment prove that the proposed low-rank solution does not require massive inputs to guarantee the performance, and thereby simplifying the design of two learning methods for the solution. Intensive experiments show the proposed solution improves the single learning method in both qualitative and quantitative assessments. Surprisingly, it shows more superior capability on noisy images and outperforms state-of-the-art methods.
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DOI:
10.1109/cvpr.2014.364
发表时间:
2014-06
期刊:
2014 IEEE Conference on Computer Vision and Pattern Recognition
影响因子:
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