The latest works 60

since June 6, 2018



"Unstable heart"

The heart appears to move.

Copyright Akiyoshi Kitaoka 2018 (May 26) (uploaded February 12, 2019)


"Tilt illusion induced by illusory motion"

The contours of this image are aligned vertically or horizontally, but they appear to tilt clockwise. The image appears to rotate clockwise according to the optimized Fraser-Wilcox illusion, Type I*.

Copyright Akiyoshi Kitaoka 2019 (February 3)

*Kitaoka, A. (2017). The Fraser-Wilcox illusion and its extension. A. G. Shapiro and D. Todorović (Eds.), The Oxford Compendium of Visual Illusions, Oxford University Press, pp. 500-511.




"Tilt illusion induced by illusory motion"

The contours of this image are aligned vertically or horizontally, but they appear to tilt counterclockwise. The image appears to rotate counterclockwise according to the optimized Fraser-Wilcox illusion, Type I.

Copyright Akiyoshi Kitaoka 2019 (February 3)


"Line segment curvature illusion"

Each line segment appears to curve inward.

Copyright Akiyoshi Kitaoka 2018 (December 28)


How do they look like?

— Akiyoshi Kitaoka (@AkiyoshiKitaoka) 2018年12月29日

"Donkey Kong Arcade illusion"

Horizontally aligned arcades appear to tilt alternately.

Copyright Akiyoshi Kitaoka 2018 (December 18)


"Clovers of hearts"

Clovers appear to expand.

Copyright Akiyoshi Kitaoka 2018 (December 10)


"Follow-face illusion"

For those who wear a pair of glasses with concave lenses, red eyes appear to follow the direction of your face. Try to swing your face.

Copyright Akiyoshi Kitaoka 2018 (November 3)


For convex lenses


"Illusion of eye direction"

Eye direction appears to be changed depending on the position within the frame.

Copyright Akiyoshi Kitaoka 2018 (September 13)


redbluering01Ls.mp4

"To-and-fro rotation of a red-bue grating

A red-blue grating appears to spin faster than black-white random dots.

Copyright Akiyoshi Kitaoka 2018 (August 24)


redbluegrating-randomdots01-ofuku004s.mp4

"To-and-fro motion of a red-bue grating

A red-blue grating appears to move faster than black-white random dots.

Copyright Akiyoshi Kitaoka 2018 (August 23)


outoffocus2018-redblue01L.mp4

"Rotation of a red-bue plaid"

The red-blue plaid appears to rotate faster than the surround of black-white random dots.

Copyright Akiyoshi Kitaoka 2018 (August 14)


"Rotating disks"

Disks appear to rotate.

Copyright Akiyoshi Kitaoka 2018 (July 8)


Copyright Akiyoshi Kitaoka 2018 (August 9)



"Contracting space"

Each radial pattern appears to contract.

Copyright Akiyoshi Kitaoka 2018 (June 23)


"White heart and yellow heart 2018"

The left heart is constantly white and the right one is yellow, but the reversal is observed for two frames out of the total twelve frames.

Copyright Akiyoshi Kitaoka 2018 (June 6)

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The first, third, fifth, ninth frames

The second, fourth, sixth, eighth frames

The eleventh frame

The twelveth frame


"Dark heart and light heart 2018"

The left heart is constantly dark in luminance and the right one is light, but the reversal is observed for one second within the total six seconds.

Copyright Akiyoshi Kitaoka 2018 (June 6)

---

Stimulus presented for five seconds (adaptation stimulus)

Stimulus presented for one second (test stimulus)

The left heart and the right one


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