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. Author manuscript; available in PMC: 2009 Jul 7.
Published in final edited form as: Vision Res. 2007 Jan 16;47(4):437–451. doi: 10.1016/j.visres.2006.11.012

Fig. 6.

Fig. 6

The ideal observer’s letter sensitivity functions (LSFs) for the unflanked (unfilled symbols) and the smallest letter separation (filled symbols). Error bars represent ±1 SEM.