Color illusion 11

Color illusion 11

Since April 27, 2009

"Eye color constancy experiment"

In some image, the right eye (surrounded by color filter) appears to be different in color from the left eye, though they are the same color. If color constancy occurs, the color of the right eye appears to be similar to the hair bead above the left ear. Many images show color constancy.

a larger image (2000 x 2642 pixel)

"Blue color constancy is strong when the area is large?"

The effect is the same even if the color is reversed.

"Chromatic snake illusion"

In each block, the three diamonds in the upper half appear to be tinted the color opponent to the sorrounding color, though they are the same gray (R=127, G=127, B=127) as the two diamonds in the lower half.

For the snake illusion created by Professor Adelson, see his webpages.

Reference

Adelson, E. H. (2000) Lightness perception and lightness illusions. In M. Gazzaniga (Ed.), The New Cognitive Neurosciences, 2nd ed. Cambridge, MA: MIT Press (pp. 339-351).

"Eye color constancy 9"

The eyes in the left image appears to be light blue while the color is the same gray as those in the right image.

"Eye color constancy 8"

The eyes in the upper image appears to be light blue while the color is the same gray as that in the background in the lower image. This observation suggests that the color inducement does not occur in the surround.

The eye color is R=96, G=88, B=87.

"Eye color constancy 3 and color contrast"

The eyes in the upper image appears to be light blue while the squares of the same color as the eyes cannot reach the illusory light blue in the color contrast situation shown in the lower image.