Paper “Incoherent frames design and dictionary learning using a distance barrier” accepted in Signal Processing journal. For many medium and large frame sizes, the proposed algorithm gives the best mutual coherence.
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How does the proposed algorithm perform in terms of mutual coherence for medium and large frame sizes?Regard IT Telkom
Sorry for not seeing your post in an ocean of spam… The behavior is good for all the sizes we tried, which means up to 2000×2500. This takes already few days, so it’s about the maximum.
If the frame is very fat (large overcompleteness factor), try ISPM first, because it is faster.