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. Author manuscript; available in PMC: 2007 Oct 4.
Published in final edited form as: IEEE Trans Med Imaging. 2006 Apr;25(4):496–502. doi: 10.1109/TMI.2006.870896

Fig. 4.

Fig. 4

Total (primary plus scatter) image signals measured across the lower lung and heart regions in the slot-scan and open-field images of a chest phantom.