Illusion of expansion and contraction #13

Caution: You might feel sick.

since July 9, 2011



"Expansion of the dark side"

The inner space of the ring appears to be darker than the outer though they are the same luminance (Laeng's effect). Moreover, the apparent dark space appears to expand (probably the optimized Fraser-Wilcox illusion).

Copyright Akiyoshi .Kitaoka 2012 (January 25)



"Expansion of morning sunlight"

The inner space of the ring appears to be brighter than the outer though they are the same luminance. Moreover, the apparent bright space appears to expand (maybe the central drift illusion).

Copyright Akiyoshi .Kitaoka 2012 (January 25)



"Bagels"

This bagel appears to contract.

Copyright Akiyoshi Kitaoka 2011 (November 6)



"Four-face expansion"

Each field appears to expand.

Copyright Akiyoshi Kitaoka 2011 (September 5)



"A heart"

A heart appears to expand after eye movement.

Copyright Akiyoshi Kitaoka 2011 (September 5)



"Rear of a rocket"

Each group of rings appears to expand.

Copyright Akiyoshi Kitaoka 2011 (August 30)



"Bursting of a water main"

Each group of rings appears to expand.

Copyright Akiyoshi Kitaoka 2011 (August 30)



"The sun"

The image appears to wobble in the radial direction.

Copyright Akiyoshi Kitaoka 2011 (July 30)



"In a hole in the ground"

The image appears to wobble in the radial direction.

Copyright Akiyoshi Kitaoka 2011 (July 30)


"Oil and a cloud"

Oil appears to well out and a cloud appears to sway.

Copyright Akiyoshi Kitaoka 2006 (May 8), 2011 (July 30)


"A bulging bulge"

An illusory bulge, which consists of squares, appears to expand.

Copyright Akiyoshi Kitaoka 2011 (July 30)



"Devils"

The image appears to expand or contact abruptly, followed by eye movement.

Copyright Akiyoshi Kitaoka 2011 (July 16)



"Plastic btterfly"
(slightly changed from 2008's version)

The image appears to expand slowly.

Copyright Akiyoshi Kitaoka 2011 (July 16)



"Rain clouds"

Each rain cloud appear to expand.

Copyright Akiyoshi Kitaoka 2011( July 10)



"Expanding madeleines"

Each madeleines appear to expand.

Copyright Akiyoshi Kitaoka 2011( July 10)



"Expanding wave patters"

Wave patterns appear to expand laterally.

Copyright Akiyoshi Kitaoka 2011( July 9)


Expansion and contraction 12
Expansion and contraction 11
Expansion and contraction 10
Expansion and contraction 9
Expansion and contraction 8
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Expansion and contraction 6
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