Illusion using movies #14

since April 24, 2020

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A demo of motion contrast

40 ms / frame, 1 cycle / 20 frames

The square image is stationary. When it appears to move rightward, this illusion is called "motion contrast".

Copyright Akiyoshi Kitaoka 2020 (April 27)



A demo of the footstep illusion

30 ms / frame, 1 cycle / 20 frames

Squares appear to repeat moving fast and slow.

Copyright Akiyoshi Kitaoka 2020 (April 24)

Anstis, S. M. (2001). Footsteps and inchworms: Illusions show that contrast modulates motion salience. Perception, 30, 785–794.



300 ms / frame



1000 ms / frame



20 ms / frame


Movie illusion 13

Movie illusion 12

Movie illusion 11

Movie illusion 10

Movie illusion 9

Movie illusion 8

Movie illusion 7

Movie illusion 6

Movie illusion 5

Movie illusion 4

Movie illusion 3

Movie illusion 2

Movie illusion


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