Kinetic depth effect

Kinetic depth effect

[
Moon's libration shows the luminary's spherical shape, an example of the kinetic depth effect.] In perception, the kinetic depth effect refers to the phenomenon whereby the three-dimensional structural form of an object viewed in projection can be perceived only when the object is rotating.

If a shadow is cast by a rotating wire shape onto a screen, a viewer can readily perceive the shape of the structure behind the screen from the dynamic shadow pattern.

This is related to the extraction of structure from motion in computer vision. It is used in parallax scrolling.

Further reading

* cite journal
author=Wallach, H. & O'Connell D. N.
year=1953
title=The Kinetic Depth Effect
journal=Journal of Experimental Psychology
volume=45
pages=205–217
doi=10.1037/h0056880

*cite book
author=Gibson, J. J.
title=The Senses Considered as Perceptual Systems
publisher=Houghton Mifflin

*cite book
author=Kauffman, L.
year=1974
title=Sight and Mind: An introduction to visual perception
publisher=Oxford University Press.

ee also

* Optical illusion

External links

* [http://www.lifesci.sussex.ac.uk/home/George_Mather/Motion/KDE.HTML Kinetic Depth Effect illustration]
* [http://www.michaelbach.de/ot/mot_ske/index.html Stereokinetic Phenomenon] from Michael’s “Optical Illusions & Visual Phenomena”


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