Rotating illusion #17

since September 13, 2008


"A basic image of the optimized Fraser-Wilcox illusion Type I"

Each disk appears to rotate.

produced by Akiyoshi Kitaoka 2008 (October 2)

High-resolution file (6000 x 4000 pixel)


Kitaoka, A. (2006) The effect of color on the optimized Fraser-Wilcox illusion. Paper presented for the 9th L'ORÉAL Art and Science of Color Prize, Tokyo (pp.1-16) (Gold prize was given). Paper (MS-Word manuscript) (75MB)

Kitaoka, A. (2008) Trick Eyes Mechanism. Tokyo: Kanzen (in Japanese). More info (webpage)

Kitaoka, A. (2008) Optimized Fraser-Wilcox illusions: A pictorial classification by Akiyoshi Kitaoka. Talk in a workshop (WS005) in the 72nd Annual Convention of the Japanese Psychological Association, Hokkaido University, Sapporo, September 19, 2008. Presentation (webpage) new!


"A basic image of the optimized Fraser-Wilcox illusion Type IIa"

Each disk appears to rotate.

produced by Akiyoshi Kitaoka 2008 (October 2)

High-resolution file (6000 x 4031 pixel)


Kitaoka, A. (2006) The effect of color on the optimized Fraser-Wilcox illusion. Paper presented for the 9th L'ORÉAL Art and Science of Color Prize, Tokyo (pp.1-16) (Gold prize was given). Paper (MS-Word manuscript) (75MB)

Kitaoka, A. (2008) Trick Eyes Mechanism. Tokyo: Kanzen (in Japanese). More info (webpage)

Kitaoka, A. (2008) Optimized Fraser-Wilcox illusions: A pictorial classification by Akiyoshi Kitaoka. Talk in a workshop (WS005) in the 72nd Annual Convention of the Japanese Psychological Association, Hokkaido University, Sapporo, September 19, 2008. Presentation (webpage) new!


"A basic image of the optimized Fraser-Wilcox illusion Type IIb"

Each disk appears to rotate.

produced by Akiyoshi Kitaoka 2008 (October 2)

High-resolution file (6000 x 4000 pixel)


Kitaoka, A. (2006) The effect of color on the optimized Fraser-Wilcox illusion. Paper presented for the 9th L'ORÉAL Art and Science of Color Prize, Tokyo (pp.1-16) (Gold prize was given). Paper (MS-Word manuscript) (75MB)

Kitaoka, A. (2008) Trick Eyes Mechanism. Tokyo: Kanzen (in Japanese). More info (webpage)

Kitaoka, A. (2008) Optimized Fraser-Wilcox illusions: A pictorial classification by Akiyoshi Kitaoka. Talk in a workshop (WS005) in the 72nd Annual Convention of the Japanese Psychological Association, Hokkaido University, Sapporo, September 19, 2008. Presentation (webpage) new!


"A basic image of the optimized Fraser-Wilcox illusion Type III"

Each disk appears to rotate.

produced by Akiyoshi Kitaoka 2008 (October 2)

High-resolution file (6000 x 4031 pixel)


Kitaoka, A. (2006) The effect of color on the optimized Fraser-Wilcox illusion. Paper presented for the 9th L'ORÉAL Art and Science of Color Prize, Tokyo (pp.1-16) (Gold prize was given). Paper (MS-Word manuscript) (75MB)

Kitaoka, A. (2008) Trick Eyes Mechanism. Tokyo: Kanzen (in Japanese). More info (webpage)

Kitaoka, A. (2008) Optimized Fraser-Wilcox illusions: A pictorial classification by Akiyoshi Kitaoka. Talk in a workshop (WS005) in the 72nd Annual Convention of the Japanese Psychological Association, Hokkaido University, Sapporo, September 19, 2008. Presentation (webpage) new!


"A basic image of the optimized Fraser-Wilcox illusion Type IV"
(tentative image)

Each disk appears to rotate.

produced by Akiyoshi Kitaoka 2008 (October 2)


Kitaoka, A. (2006) The effect of color on the optimized Fraser-Wilcox illusion. Paper presented for the 9th L'ORÉAL Art and Science of Color Prize, Tokyo (pp.1-16) (Gold prize was given). Paper (MS-Word manuscript) (75MB)

Kitaoka, A. (2008) Trick Eyes Mechanism. Tokyo: Kanzen (in Japanese). More info (webpage)

Kitaoka, A. (2008) Optimized Fraser-Wilcox illusions: A pictorial classification by Akiyoshi Kitaoka. Talk in a workshop (WS005) in the 72nd Annual Convention of the Japanese Psychological Association, Hokkaido University, Sapporo, September 19, 2008. Presentation (webpage) new!



"Rotating tablets"

Rings of tablets appear to rotate.

Copyright Akiyoshi Kitaoka 2008 (October 1)



"Rotating balloons"

Balloons appear to rotate.

Copyright Akiyoshi Kitaoka 2008 (September 22)



"Rotating balloon"

A balloon appears to rotate clockwise.

Copyright Akiyoshi Kitaoka 2008 (September 22)



"Rotating manholes"

Manholes appear to rotate.

Copyright Akiyoshi Kitaoka 2008 (September 15)



"Rotating grape floor"

The inner part appears to rotate clockwise.

Copyright Akiyoshi Kitaoka 2008 (September 15)



"Grape juice factory"

Each disk appears to rotate.

Copyright Akiyoshi Kitaoka 2008 (September 15)



"Rotating gourds"

Each disk appears to rotate.

Copyright Akiyoshi Kitaoka 2008 (September 13)



"Rotating adzuki-beans"

Inner adzuki-beans appears to rotate counterclockwise.

Copyright Akiyoshi Kitaoka 2008 (September 13)


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