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. Author manuscript; available in PMC: 2017 Feb 28.
Published in final edited form as: IEEE Trans Nucl Sci. 2006 Jun 26;53(3):1168–1178. doi: 10.1109/TNS.2006.871405

Fig. 10.

Fig. 10

Comparing the predicted minimum achievable variance (solid curve) with the empirical variance in reconstructed images. The data points (shown as black dots) are identical to those shown in Fig. 7 for the simulated SPEM system.