## Signal recovery from autocorrelation and cross-correlation data

JOSA A, Vol. 22, Issue 4, pp. 616-624 (2005)

http://dx.doi.org/10.1364/JOSAA.22.000616

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### Abstract

A signal recovery technique is motivated and derived for the recovery of several nonnegative signals from measurements of their autocorrelation and cross-correlation functions. The iterative technique is shown to preserve nonnegativity of the signal estimates and to produce a sequence of estimates whose correlations better approximate the measured correlations as the iterations proceed. The method is demonstrated on simulated data for active imaging with dual-frequency or dual-polarization illumination.

© 2005 Optical Society of America

**OCIS Codes**

(100.0100) Image processing : Image processing

(110.0110) Imaging systems : Imaging systems

**Citation**

Timothy J. Schulz and David G. Voelz, "Signal recovery from autocorrelation and cross-correlation data," J. Opt. Soc. Am. A **22**, 616-624 (2005)

http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-22-4-616

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