PMID: 8474845Jan 1, 1993Paper

The perception of 3-D rotation from translating sine-wave lines: the reverse of the barber-pole illusion

Perception
Hiroyuki Ito

Abstract

An ambiguous moving pattern which gives rise to the reverse of the barber-pole illusion is reported. When vertical sine-wave lines translate, vertically and endlessly, on a two-dimensional (2-D) plane, one can perceive rotating three-dimensional (3-D) helixes without the impression of translation. With a single sine-wave line, 3-D rotation was seen for about half the exposure period. With three sine-wave lines shifted in phase by 120 degrees, this illusion easily arose when one fixated a point near the endpoints of the lines, which moved horizontally and sinusoidally along the imaginary upper edge of the screen. When 3-D rotation was seen, the sine-wave lines which were intersecting on a 2-D display were perceptually decomposed into pairs of lines separated in depth. On fixating a point at the center of the figure, vertical translation was mainly seen. Foveal viewing of the horizontal sine movement of the endpoints of the lines produces the impression of 3-D rotation and the impression appears to provide some specific information towards solving the aperture problem and towards reconstructing the whole figure as such.

References

Jan 1, 1976·American Journal of Public Health·A Wallach
Jan 1, 1989·Vision Research·S ShimojoK Nakayama
Apr 1, 1953·Journal of Experimental Psychology·H WALLACH, D N O'CONNELL

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Citations

Sep 17, 2010·Perception·Hiroyuki Ito

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