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math.FA2005★ 3 cited
A fundamental identity for Parseval frames
R. Balan, P. G. Casazza, D. Edidin +1
In this paper we establish a suprising fundamental identity for Parseval frames in a Hilbert space. Several variations of this result are given, including an extension to general f…
math.FA2004★ 47 cited
On signal reconstruction without noisy phase
Radu Balan, Pete Casazza, Dan Edidin
We construct new classes of Parseval frames for a Hilbert space which allow signal reconstruction from the absolute value of the frame coefficients. As a consequence, signal recons…