"A demo of the inverted footsteps illusion" (平行四辺形可能)made by Akiyoshi Kitaoka, August 17, 2021, April 12, 2026

  object color A --- R:  G:  B:    object color B --- R:  G:  B:

  stripe color C --- R:  G:  B:    object color D --- R:  G:  B:

  object size x:   y: pixel   縦ズレ   横ズレ

  object interval: pixel   x shift: pixel   width of a black stripe: pixel

time interval: ms


animation (viewing only)