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20132022
most citedA null space analysis of the L1 synthesis method in dictionary-based compressed sensing

3 citations · 8 across the 10 of their papers we have counts for

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Showing 2014Show all

2 papers · 1 filter

math.FA2014

Measures of scalability

Xuemei Chen, Gitta Kutyniok, Kasso A. Okoudjou +2

Scalable frames are frames with the property that the frame vectors can be rescaled resulting in tight frames. However, if a frame is not scalable, one has to aim for an approximat…

math.NA2014

Fusion frames and randomized subspace actions

Xuemei Chen, Alexander Powell

A randomized subspace action algorithm is investigated for fusion frame signal recovery problems. It is noted that Kaczmarz bounds provide upper bounds on the algorithm's error mom…