The latest works 3

Access since July 14, 2004


Waterways appear to tilt alternately, though they are parallel to each other. Moreover, "water" appears to swing in the horizontal directions.

Copyright Aiyoshi Kitaoka 2005 (February 15)


Balloons appear to deflate.

Copyright Aiyoshi Kitaoka 2005 (February 7)

"Blooming primroses"

Flower leaves appear to be in front of the background.

Copyright Aiyoshi Kitaoka 2004 (December 20)

"Blue light"

Pieces of blue light appear to vibrate.

Copyright Aiyoshi Kitaoka 2004 (December 17)

"Camera-tilt illusion"

It appears as if the camera had been titled counterclockwise, though the horizontal in the picture was nearly correct.

Copyright Aiyoshi Kitaoka 2004 (December 6)


Pieces of koban appear to move.

Copyright Aiyoshi Kitaoka 2004 (November 19)

*Gold coins in the Edo era (1600-1857) in Japan

"An octopus"

The octopus appears to move.

Copyright Aiyoshi Kitaoka 2004 (November 8)

"Fukimodoshi of snakes"

Each row appears to move horizontally.

Copyright Aiyoshi Kitaoka 2004 (October 15)

Fukimodoshi is a toy well-known over the Kansai region including Kyoto

"A flow of the ecological flooring"

Each row appears to shift horizontally.

Copyright Aiyoshi Kitaoka 2004 (October 15)


Vasarely illusory lines appear to sway. In addition, pyramids appear to shrink.

Copyright A.Kitaoka 2004 (September 28)


Piles of diamonds on black squares sometimes appear to move and include some scintillating effects.

Copyright A.Kitaoka 2004 (September 18)

Diagonals in the piles of diamonds appear to be lighter than they are (= Vasarely illusion).

"Goishi tilt illusion"

Each row of three stones (goishi) appears to tilt clockwise though each is actually vertical.
(Some people reported to me that this image gives a weak illusion magnitude)

Copyright A.Kitaoka 2004 (September 18)

AI igo's display

In addition, hoshi (black dots) appear to extinguish in the peripheral vision.

"A crab"

The shell appears to move.

Copyright A.Kitaoka 2004 (September 13) (6/30)

"Gold coins"

A pile of gold coins sometimes appears to swing horizontally.

Copyright A.Kitaoka 2004 (August 21)

The illusion of this work looks like the swinging-motion illusion presented by Khang and Esscok (2000)*. I imagine the same mechanism underlying these illusions, but I do not know whether they like this story or not.

*Khang, B-G and Essock, E A (2000) Apparent swinging motion from a 2-D sinusoidal pattern. Perception, 29, 453-459.

"A balloonfish"

Spines are actually aligned in concentric circles but appear to form spirals. When observers approach or move away from the image fixating at the center, the spines appear to rotate. The mouth may appears to rotate counterclockwise a little.

Copyright A.Kitaoka 2004 (July 14)

2 The latest works (April 2004 - June 2004)
1 The latest works (August 2003 - May 2004)
0 The latest works (June 2002 - July 2003)

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