Open AccessSecond-Order Footsteps Illusions
Author(s) -
Akiyoshi Kitaoka,
Stuart Anstis
Publication year - 2015
Publication title -
i-perception
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 26
ISSN - 2041-6695
DOI - 10.1177/2041669515622085
Subject(s) - illusion , luminance , contrast (vision) , colored , optical illusion , computer vision , optics , artificial intelligence , mathematics , computer science , physics , psychology , cognitive psychology , sociology , anthropology
In the “footsteps illusion”, light and dark squares travel atconstant speed across black and white stripes. The squares appear to move fasterand slower as their contrast against the stripes varies. We now demonstrate somesecond-order footsteps illusions, in which all edges are defined by colors ortextures—even though luminance-based neural motion detectors are blindto such edges.
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