An optical illusion (also called a visual illusion) is characterized by visually perceived images that differ from objective reality. The information gathered by the eye is processed in the brain to give a perception that does not tally with a physical measurement of the stimulus source.
"Psychonomic science of love" by Akiyoshi Kitaoka, 2011 for the promotion design of the Public Symposium entitled "Psychonomic Science of Love" hosted by the Japan Psychonomic Society. This illusion is based on the "optimized" Fraser-Wilcox illusion. Illusion works exhibited in IllusoriaMente 2012