The latest works 71

The latest works 71

since Januarty 1, 2024

"Illusory red with random dots"

The Coca-Cola can appears reddish, though it consists of black and white random dots.

Thanks to Kentaro

https://twitter.com/AkiyoshiKitaoka/status/1782781737766170630

"RGB van Gogh"

This image consists of red, green, blue, white, and black.

Thanks to Dr. Fujii

Face part

"White-yellow vs. blue-black"

The eyes of the left image appear white and yellow whereas those of the right one appear blue and black. Actually, the perceived white is the same color as the perceived blue (R100, G100, B255), and the perceived yellow is the same color as the perceived black (R100, G100, B0).

Actual eye colors (though I do not know what is true)

"Kinkaku with three colors"

This image consists of light blue, orange, yellowish green, white, and back.

"Goch with three colors"

This image consists of orange, yellowish green, bluish green, white, and back.

"'Girl with a Pearl Earring' with four colors"

This image consists of blue, light blue, orange, red, white, and back.

"A demo of fluorescent colors in spatial color mixing"

"Macula no soshi"

When viewed on OLEDs (sometimes on LCDs), the retinal position of observer's macula(s) is discernible.

"Double circles of Maxwell's spot illusion"

When viewed on OLEDs (sometimes on LCDs), green double circles appear to be brighter in the center of the visual field than those in the visual periphery.

"Jinja tunnel"

The mist appears to expand.

The effect is not observed when the tunnel is moved.

"Sakazuki no kaiten"

Rings appear to rotate.

"White bear and black bear"

The bear in the upper image appears white and that in the lower image appear black, but they are the same luminance (R149, G149, B149).

「白熊と黒熊・並置混色版」

The bear in the upper image appears white and that in the lower image appears black, but they are the same black and white gratings (black 7 : white 3).

"White eyes and black eyes"

The eyes in the left image appear white and those in the right image appear black, but they are the same luminance (R149, G149, B149).

"A Coca-Cola can of illusory green"

The can appears greenish, though it consists of black and white stripes.

"Eye of illusory red"

The eye appears red, though it consists of black and white stripes.

"'Girl with a Pearl Earring' tranformed with spatial color mixing of the sRGB-modified Ostward color system"

"Mona Lisa tranformed with spatial color mixing of the sRGB-modified Ostward color system"

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