Deterministic conditions for subspace identifiability from incomplete sampling

Deterministic conditions for subspace identifiability from incomplete sampling
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不完全采样的子空间可识别性的确定性条件

DOI:
10.1109/isit.2015.7282844
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发表时间:
2014
期刊:
2015 IEEE International Symposium on Information Theory (ISIT)
影响因子:
--
通讯作者:
R. Nowak
R. Nowak
中科院分区:
--
文献类型:
--
作者:
Daniel L. Pimentel;N. Boston;R. Nowak

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考虑ℝd,r<d的一个r维子空间,并且假设我们只给出该子空间在标准坐标的小子集上的投影。给出子空间可辨识性的充要条件。这些结果也为低阶矩阵补全提供了新的线索。
Consider an r-dimensional subspace of ℝd, r <; d, and suppose that we are only given projections of this subspace onto small subsets of the canonical coordinates. The paper establishes necessary and sufficient deterministic conditions on the subsets for subspace identifiability. The results also shed new light on low-rank matrix completion.