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. Author manuscript; available in PMC: 2008 Feb 1.
Published in final edited form as: Vision Res. 2007 Jan 16;47(4):512–524. doi: 10.1016/j.visres.2006.10.014

Fig. 3.

Fig. 3

Ellipse ratio thresholds with no noise (circles) or in-noise (diamonds) as a function of the number of patches comprising the figure. The data are mean thresholds for 4 normal observers. Radius is coded by symbol size. Note that the symbols are displaced slightly along the abscissa for clarity.