2 papers
cs.IT2019
Identify Equivalent Frames
Xuemei Chen, Yang Chu, Min Zheng
A frame is an overcomplete set that can represent vectors(signals) faithfully and stably. Two frames are equivalent if signals can be essentially represented in the same way, which…
math.FA2013
A note on scalable frames
Jameson Cahill, Xuemei Chen
We study the problem of determining whether a given frame is scalable, and when it is, understanding the set of all possible scalings. We show that for most frames this is a relati…