Geometrical illusion with stereoscopic impressions


"A bulge"

The floor appears to bulge out, even though all the squares in the figure are equal.

Copyright A.Kitaoka 1998

"Modern" geometrical illusion --- "Classic" geometrical illusion


"A beetle"

Vertical or horizontal edges appear to tilt.

Copyright A.Kitaoka 2004 (May 8)


"Apples 2"

Concentric circles appear to be a spiral (spiral illusion). Each apple appears to rotate (peripheral drift illusion).

Copyright A.Kitaoka 2004 (March 11)


"Roof"

The figure consists of vertical or horizontal components but appears to bulge out.

Copyright A.Kitaoka 2003


"Lips"

The figures consist of rectangles and squares but appear to bulge out. Bulging-out motion also appears in the periphery vision.

Copyright A.Kitaoka 2003


"Primrose's hill"

It looks as if the checkered surface bulges out, though this figure actually consists of squares.

Copyright A.Kitaoka 2002
(c)Akiyoshi Kitaoka "Trick eyes" Tokyo: KANZEN 2002


"Eggs of a moth"

The figure appears to bulge out, though the backhround consists of vertical and horizontal components.

Copyright A.Kitaoka 2002
(c)Akiyoshi Kitaoka "Trick eyes" Tokyo: KANZEN 2002


"The eyes"

The figure made up of vertical or horizontal components appears to bulge out.

Copyright A.Kitaoka 2002


"Cushion"

This figure consists of rectangles and squares, only.

Copyright A.Kitaoka 1998
(c)Akiyoshi Kitaoka "Trick eyes" Tokyo: KANZEN 2002


"Pressure"

Vertical or horizontal gray lines appear to be distorted.

Copyright A.Kitaoka 1997


"The house of bats"

Vertical or horizontal gray lines appear to be distorted.

Cafe Wall illusion

Copyright A.Kitaoka 1999


"Octpuses"

Vertical or horizontal gray lines appear to be distorted.

Cafe Wall illusion

Copyright A.Kitaoka 1999


"Frogs"

Vertical or horizontal edges appear to be distorted.

Copyright A.Kitaoka 2002


"A checkerflag"

This figure consists of squares but appears to flutter.

Copyright A.Kitaoka 1998
(c)Akiyoshi Kitaoka "Trick eyes" Tokyo: KANZEN 2002

Fluttering


"Spreading"

Vertical or horizontal edges appear to be distorted and the figure looks wavy.

Copyright A.Kitaoka 2002


"Sakura-yu"*

*Cherry tea for some celebration

Vertical or horizontal pinky lines appear to wave.

Copyright A.Kitaoka 1999


"Shielded by bugs"

Vertical or horizontal edges appear to be distorted.

Copyright A.Kitaoka 1999


"Octahedron"

This figure consists of squares.

Copyright A.Kitaoka 1997

Thanks to Darrell


"Kabuki"

This figure consists of squares but appears to be wavy.

Copyright A.Kitaoka 2002


"Zabuton"*

*Japanese cushion

This checkered background consists of squares but appears to be distorted. In addition, this figure shows a great amount of anomalous motion illusion.

Copyright A.Kitaoka 1999


"Persimmons"

Vertical or horizontal edges appear to be distorted.

Copyright A.Kitaoka 1999
(c)Akiyoshi Kitaoka "Trick eyes" Tokyo: KANZEN 2002


"Babaroa"*

*Bavarian cream cake

Vertical or horizontal edges appear to be distorted.

Copyright A.Kitaoka 2002


"Kakigori - ichigo"*

*Broken ice with strawberry-taste juice

Vertical or horizontal edges appear to be distorted.

Copyright A.Kitaoka 2002


"Hydrangea"

Vertical or horizontal edges appear to be distorted.

Copyright A.Kitaoka 2002


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