Illusion designs from friends #8

The copyright of each image belongs to the corresponding creator(s), to whom contact should be addressed in the case of request for use (even if it is for educational, research or personal use).

since August 30, 2010


"Watanabe illusion 2010"

The uppermost dot in the right column is aligned with the oblique line in the left circle, but one of lower dots appears to be aligned.

Copyright Eiji Watanabe 2010 (November 24)
from Professor Eiji Watanabe, National Institute for Basic Biology, Okazaki, Japan, November 24, 2010

Akiyoshi's comment: This may be a new geometrical illusion! Because Professor Watanabe will discover or produce more illusions in the future, I have inserted "2010" in the title.


"Watanabe illusion 2010: its eye direction version"

In the upper image, the girl appears to look at the star. Actually, she looks at the point below the star, as shown in the lower image. This eye-direction demonstration as well was first produced by Professor Watanabe.

Copyright Akiyoshi Kitaoka 2010 (November 23)

Akiyoshi's comment: This version gives even stronger illusion!

Copyright Akiyoshi Kitaoka 2010 (December 19)

Copyright Akiyoshi Kitaoka 2010 (December 19)

This illusion depends on the visual field anisotropy. If the eye direction is horizontal, the illusion magnitude reduces (the girl does not appear to look at the star).



"Watanabe illusion 2010: its eye direction version (Watanabe's original)"

Copyright Eiji Watanabe 2010 (December 20)
from Professor Eiji Watanabe, National Institute for Basic Biology, Okazaki, Japan, December 20, 2010


"Red points"

Illusory red flashes are observed in black dots.

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, November 30, 2010


"Blue points"

Illusory blue flashes are observed in black dots.

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, December 1, 2010


"Roads in Mexico"

The direction of the road appears to be different between the two photos, though they are the same (Leaning Tower illusion).

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, December 5, 2010


<Exhibited with creator's permission: September 27, 2010>

Silhouette illusion

Moving reversible figure (lady's figure appears to rotate clockwise or counterclockwise) created by Nobuyuki Kayahara, Hiroshima/Tokyo, Japan

When the lady appears to rotate clockwise seen from above, the right leg as well as the right arm appear to be raised. On the other hand, when the lady appears to rotate counterclockwise seen from above, the left leg and the left arm appear to be raised.

Download
(through Visiome)

(c) Nobuyuki Kayahara 2003

This is excellent!


"Floating 50 cent coin"

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, August 19, 2010


"Little House"

Photo without digital alteration.

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, August 19, 2010


"Three small circles"

Three circles with moving background.

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, August 19, 2010


"Blue circle"

Moving background circle.

Copyright Daniel Picon 2010
from Daniel Picon, Paris, France, August 19, 2010


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