Miscellanous


"The sun"

Radial lines appear to wave.

Copyright A.Kitaoka 1999
(c)Akiyoshi Kitaoka "Trick eyes 2" Tokyo: KANZEN 2003


"A fall"

Water appears to fall.

Copyright A.Kitaoka 2003


"A sunflower"

The flower appears to expand or the surrounding square appears to contract.

Copyright A.Kitaoka 2003


"Diamond"

The outer ring appears to rotate clockwise, slowly, while the inner one counterclockwise. This effect is stronger in peripheral vision.

Copyright A.Kitaoka 2003


"A goldfish"

Colored borders occasionally appear to twitch in the horizontal direction.

Copyright A.Kitaoka 2002


"A rainbow wave"

The figure appears to wave.

This illusion is based upon Pinna and Brelstaff's illusion (Vision Research, 40, 2091-2096, 2000)

Copyright A.Kitaoka 2002
(c)Akiyoshi Kitaoka "Trick eyes 2" Tokyo: KANZEN 2003


"Hearts"

The inset appears to move.

Copyright A.Kitaoka 2002


"Tapes"

Colored oblique tapes are physically straight but appear to wave.

Zollner illusion

Copyright A.Kitaoka 1997
(c)Akiyoshi Kitaoka "Trick eyes" Tokyo: KANZEN 2002


"Men with sunglasses"

Vertical or horizontal edges appear to be distorted and each quarter region appears to move.

Copyright A.Kitaoka 2000


"Packed apples"

Vertical edges appear to tilt alternately.

Copyright A.Kitaoka 1999


"Scales of a dragon"

Vertical or horizontal black lines appear to tilt.

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


"Haru no ogawa"*

*A stream in spring

Illusory motion is sometimes observed. The "light-gray" diamonds and the "dark-gray" ones are actually of the same luminance (Logvinenko's illusion).

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


"Colony"

The vertical or horizontal lines appear to tilt.

Cafe Wall illusion

Copyright A.Kitaoka 1999


"Face-to-face"

Vertical and horizontal edges appear to be distorted, respectively.

Copyright A.Kitaoka 1999


"Ultraman and Picachu"*

*Both are heros for Japanese children

The vertical or horizontal edges appear to tilt.

Copyright A.Kitaoka 1999


"Bashful"

Vertical edges appear to tiltl.

Copyright A.Kitaoka 2002


"A tapeworm"

White rectangles appear to curve.

Copyright A.Kitaoka 2002


"A fishy alian"

Beads appear to move.

Copyright A.Kitaoka 2002


"Trunks"

Horizontal line segments appear to tilt.

Copyright A.Kitaoka 1999
(c)Akiyoshi Kitaoka "Trick eyes 2" Tokyo: KANZEN 2003


"Dynamo"

The figure consists of straight lines but appears to show curves.

Zollner illusion

Copyright A.Kitaoka 1997


"Doors"

The white rectangles appear to be distorted.

Copyright A.Kitaoka 2002


"Hina-arare"*

*Colored sugar for the Hinamatsuri (the celebrating day for girls, 3rd March)

The figure consists of vertical or horizontal components but appears to include curves.

Copyright A.Kitaoka 2002


"Makkurokurosuke and Masshiroshirosuke"*

*Imaginary black or white bugs

The background is a checkerboard made up of squares but the figure appears to curve toward the center.

Copyright A.Kitaoka 2002


"A moth"

Squares appear to move.

Copyright A.Kitaoka 2002
(c)Akiyoshi Kitaoka "Trick eyes2 " Tokyo: KANZEN 2003


"Escalators"

The inset appears to move.

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


"Fecal boli of bugs"

The vertical or horizontal edges appear to be distorted and the figure to be wavy.

Copyright A.Kitaoka 2002


"Tilt T"

"T" appears to tilt clockwise.

Copyright A.Kitaoka 1999


"A mahjong table"

This figure consists of squares but appears to be wavy.

Copyright A.Kitaoka 2002


"Rays on wave"

This figure gives wavy impression.

Copyright A.Kitaoka 2002


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