The latest works 62

since January 5, 2020


"Rotating rings of girls"

This ring appears to keep rotating clockwise, though this movie consists of four frames.

Copyright Akiyoshi Kitaoka 2020 (April 11)



3 frames


"Freight train"

A freight train appears to keep approaching us, though this movie consists of four frames.

Copyright Akiyoshi Kitaoka 2020 (April 11)



3 frames


"Freight train 2"

A freight train appears to keep approaching us, though this movie consists of four frames.

Copyright Akiyoshi Kitaoka 2020 (April 11)


3 frames


"Four-stroke apparent motion induced by reversed phi and phi (?) that is different from Mather's"

Rings appear to keep rotating clockwise, though they rotate to and fro.

Copyright Akiyoshi Kitaoka 2020 (April 9)




(8 frames)



"Overestimation of speed by alteration between light and dark?"

Scintillation (alteration between light and dark in ovals) alone promotes the perceived speed.

Copyright Akiyoshi Kitaoka 2020 (April 9)




"Overestimation of speed of 'phi' (right)?"

Both rings rotate counterclockwise at the same velocity, but the right one appears to rotate faster than the left one.

Copyright Akiyoshi Kitaoka 2020 (April 9)


"A demo of 'revsered phi' (right)"

Both rings rotate counterclockwise at the same velocity, but the right one appears to rotate clockwise in the peripheral vision.

Copyright Akiyoshi Kitaoka 2020 (April 9)



"A demo of 'revsered phi' (left) in contrast with 'phi' (right)"

Both rings rotate counterclockwise at the same velocity, but the right one appears to rotate counterclockwise whereas the left one appears to rotate counterclockwise more slowly (in the central vision) or to rotate clockwise (in the peripheral vision).

Copyright Akiyoshi Kitaoka 2020 (April 8)



"A demo of 'revsered phi' produced with phenomenal phenomena that is similar to 'reversing wheels' (Meilstrup, 2014)"

The right ring appears to rotate clockwise, though it rotates counterclockwise. The left ring appears to rotate counterclockwise as it does in the central vision, whereas it appears to rotate clockwise in the peripheral vision. When looking at the center of the left ring, it appears to rotate to and fro.

Copyright Akiyoshi Kitaoka 2020 (April 6)

reversed phi

memo

Reversing wheels

http://crowding.github.io/thesis/

Ⓒ 2014 Peter Meilstrup (Twitter | Github)


"Passion"

The heart appears to emit something.

Copyright Akiyoshi Kitaoka 2020 (January 26)

"Passions"



"Black hole"

The dark circle appears to expand. (Fujiwara's illusion)

Copyright Akiyoshi Kitaoka 2020 (January 23)

References (Illusion design drawn by Kouki Fujiwara)

Fujiwara, K., Matsuda, H., & Kitaoka, A. (2018). A proposal of designs of a new motion illusion. The Heisei-29th Kansai Branch Meeting of the Color Science Association of Japan, Osaka Electro-Communication University, Campus in front of the station, March 3, 2018 (poster presentation).



Copyright Akiyoshi Kitaoka 2020 (January 25)



Copyright Akiyoshi Kitaoka 2020 (January 26)


"Rotating rings of mari balls"

Rings appear to rotate clockwise.

Copyright Akiyoshi Kitaoka 2020 (January 22)


"Nine-storied pagodas"

Pagodas appear to ascend.

Copyright Akiyoshi Kitaoka 2020 (January 20)


"Illusory white"

Illusory white is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 6)


"Illusory white 2"

Illusory white is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 6)


"Illusory white 3"

Illusory white is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 6)


"Spirals of illusory yellowish fringes"

Illusory yellow is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 5)


"Spirals of illusory yellowish fringes 2"

Illusory yellow is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 5)


"Spirals of illusory yellowish fringes 3"

Illusory yellow is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 5)


"Spirals of illusory yellowish fringes4 "

Illusory yellow is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 5)


"Spirals of illusory yellowish fringes 5"

Illusory yellow is perceived.

Copyright Akiyoshi Kitaoka 2020 (January 5)


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