Perceptual spatial frequency โ Orientati
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Bernhard Treutwein; I. Rentschler; T. Caelli
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Article
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1989
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Springer-Verlag
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English
โ 945 KB
We have investigated the discriminability of gratings which simultaneously vary in spatial frequency and orientation. Thirteen and nine reference gratings were used with two observers, and bivariate discrimination probability surfaces were determined around each grating. These data were then fitted