Illusion using movies

since April 6, 2005

Warning: This page includes real animations. Please do not keep watching them for a long time. Although this page has carefully avoided the known harmful stimuli, unknown ones might happen to be included. Never copy them.


"Waterfall illusion: a two-stroke animation"

You can stop animation by putting the cursor on the image.

The water appears to fall, though this animation consists of two images. The walterfall illusion (motion aftereffect) is observed, too.

Copyright Akiyoshi Kitaoka 2005 (November 1)


"Expanding sunflower"

You can stop animation by putting the cursor on the image.

The flower appears to expand, though this animation consists of two images.

Copyright Akiyoshi Kitaoka 2005 (October 31)


"Bullets"

You can stop animation by putting the cursor on the image.

The upper row appears to move rightward while the lower one leftward, though this animation consists of two images.

Copyright Akiyoshi Kitaoka 2005 (October 31)


"UFO: Animation"

You can stop animation by putting the cursor on the image.

The first, second, fifth and sixth rows appear to move leftward while the rest rightward. In each UFO, illusory 'cloud' appears to run in the opposite direction.

Copyright Akiyoshi Kitaoka 2005 (October 28)


"Rotating chrysanthemums: Animation"

Each ring appears to rotate, though a single image is flickering.

Copyright Akiyoshi Kitaoka 2005 (October 18)


"Color wheels"

Each ring appears to rotate.

Copyright Akiyoshi Kitaoka 2005 (October 11)


"Snake polarizers: An animation"

Each ring appears to rotate in the direction you prefer.

Copyright Akiyoshi Kitaoka 2005 (October 10)


"Caterpillar"

Although the luminances in four regions only increase or decrease, the image appears to move rightward.

Copyright Akiyoshi Kitaoka 2005 (June 29)

Macromedia Flash Player is necessary. For QuickTime version, click here.


"Jump"

Although this movie consists of two images that is vertically displaced, illusory motion can also be seen in the horizontal direction.

Copyright Akiyoshi Kitaoka 2005 (June 25)

Macromedia Flash Player is necessary. For QuickTime version, click here.


"Soft magnets"

The blue and yelllow bars are actually rectangles but appear to be distorted.

Copyright Akiyoshi Kitaoka 2005 (June 18)

Macromedia Flash Player is necessary. For QuickTime version, click here.

For reversed phi movement, see Professor Anstis' site.


"Flowering"

Red flowers appear to expand when they appear.

Copyright Akiyoshi Kitaoka 2005 (April 6)

This GIF file contains two images.


"Apparent movement in marigolds"

Something appears to move between the two images.

Copyright Akiyoshi Kitaoka 2005 (April 13)

This GIF file contains two images.


"An oscillating fan"

The innermost ring appears to shift leftward for 4 seconds, while it appears to move rightward the next 4 seconds.

Copyright A.Kitaoka 2004 (May 24)

This GIF file contains two images.


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