[RedSpiral1s+] Akiyoshi's illusion pages [GreenSpi...+]
Akiyoshi KITAOKA, Professor, Psychology, Ritsumeikan University, Osaka, Japan [twitter-...] [facebook...]
studying visual perception, visual illusion, optical illusion, trompe l'oeil, 3D, etc. ORCID
Since May 18, 2002; Updated May 7, 2024 Japanese, Serb, Portuguese, Chinese; Illusion calendar 2024
This work was partly supported by JSPS KAKENHI Grant Number 21H04426 awarded to Akiyoshi Kitaoka.
Warning: Commercial abuse of my illusion images is prohibited. This page contains some works of "anomalous motion illusion", which might make sensitive observers dizzy or sick. Should you feel dizzy, you had better leave this page immediately. More
Latest works (May 7, 2024) --- Newest page (April 26, 2024) --- Updated page (August 16, 2022) --- Illusion catalogue (June 3, 2014)
Page list of this site --- Books (September 23, 2019) --- Papers (February 11, 2021) --- Illusion news (November 25, 2020) --- Photos (Nov 1, 2014)
[Journal ...+]The Journal of Illusion welcomes your submissions. [twitter-...]
[rotsnake+]
"Rotating snakes"
Circular snakes appear to rotate 'spontaneously'.
Copyright A.Kitaoka 2003 (September 2, 2003)
Explanation of the elemental illusion (optimized Fraser-Wilcox illusion) (PDF)
How this work was created (PDF) (Trick Eyes Graphics p.78)
The commercial use of this image is not free of charge. Modification of this image for commercial purpose is usually declined. Educational or research use or modification is welcome.
[rotrays+]
"Rotating rays"
The outer ring of rays appears to rotate clockwise while the inner one counterclockwise.
Copyright A.Kitaoka 2004 (June 12)
[ACSwamp2010+]
"The autumn color swamp"
The inset appears to move.
Copyright A.Kitaoka 2000
[Bulge02c+]
"A bulge"
The floor appears to bulge out, though this image consists of only squares.
Copyright A.Kitaoka 1998
[sakurasfs+]
"Primrose's field"
This checkered background consists of squares but appears to wave. In addition, this figure also shows a waving motion illusion.
Copyright A.Kitaoka 2002
[uzuampan...+]
"Uzumaki ampan"
Concentric gray circles appear to be spirals.
Copyright A.Kitaoka 1998
[rollers+]
"Rollers"
Rollers appear to rotate without effort. On the other hand, they appear to rotate in the opposite direction when observers see this image keeping blinking.
Copyright A.Kitaoka 2004 (April 20)
[blueeyeg...+] All my illusion pages [blueeyeg...+]
The latest works 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
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Anomalous motion illusion 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18
