Visibility Of The Spatial Frequency Components Predicts The Perceived Orientational Structure Of A Visual Pattern

C. Bonnet; H. Brettel; I. Cohen

doi:10.1117/12.952725

15 August 1989 Visibility Of The Spatial Frequency Components Predicts The Perceived Orientational Structure Of A Visual Pattern

C. Bonnet, H. Brettel, I. Cohen

Author Affiliations +

Proceedings Volume 1077, Human Vision, Visual Processing, and Digital Display; (1989) https://doi.org/10.1117/12.952725
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Perceptual grouping was studied psychophysically with spatially periodic visual patterns. Different two-dimensional arrangements of identical elements (squares, diamonds, or disks) were used as test stimuli. At an exposure duration of 33 ms, the perceived orientational structure was found to depend upon the orientations of the most visible spatial frequency components. If the fundamental frequency was high (5 cpd), the perceived orientations were independent of the shape of the elements. If the fundamental spatial frequency was low (.5 cpd), the shape of the elements determined the perceived orientational structure. The results also show some response bias which is discussed.

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C. Bonnet, H. Brettel, and I. Cohen "Visibility Of The Spatial Frequency Components Predicts The Perceived Orientational Structure Of A Visual Pattern", Proc. SPIE 1077, Human Vision, Visual Processing, and Digital Display, (15 August 1989); https://doi.org/10.1117/12.952725

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