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. Author manuscript; available in PMC: 2008 Nov 20.
Published in final edited form as: J Opt Soc Am A Opt Image Sci Vis. 2006 Dec;23(12):2989–2996. doi: 10.1364/josaa.23.002989

Fig. 2.

Fig. 2

Sample lumpy background (in μa [mm−1]) and signal half way from the center to the boundary of the domain. The correlated structure of the background confounds the task of detecting the signal.