The latest works 69
since November 19, 2022
"Approaching black hole: two days ago"
The black hole appears to expand.
Copyright Akiyoshi Kitaoka 2023 (August 28)
"Approaching black hole: yesterday"
The black hole appears to expand.
Copyright Akiyoshi Kitaoka 2023 (August 28)
"Approaching black hole: this morning"
The black hole appears to expand.
Copyright Akiyoshi Kitaoka 2023 (August 28)
"Coffer illusion with meander patterns"
a kind of reversible (ambiguous) image
*coffer illusion http://illusionoftheyear.com/2006/05/coffer-illusion/
Copyright Akiyoshi Kitaoka 2023 (August 24)
Perception of diamonds or rectangles is enhanced with neon color spreading.
Copyright Akiyoshi Kitaoka 2023 (August 24)
Perception of diamonds or rectangles is predominant.
The perception of meander patterns and that of diamonds or rectangles alternate well.
A simplified image of the coffer illusion
The perception of coffer patterns and that of diamonds alternate.
Copyright Akiyoshi Kitaoka 2023 (August 24)
a coffer pattern
a diamond
The perception of coffer patterns and that of diamonds alternate well.
"Slightly tinted body"
The body of the train is light-gray but appears to be tinted slightly reddish.
Copyright Akiyoshi Kitaoka 2023 (May 19)
The body of the train is gray but appears to be chocolate color.
"Red rectangles and cyan ones"
What's this?
Copyright Akiyoshi Kitaoka 2022 (December 9)
"Blue rays"
A bluish cross appear to contract. This GIF movie consists of the sixteen frames shown below (60 ms/frame).
Copyright Akiyoshi Kitaoka 2023 (February 6)
"Fireballs"
Fireballs appear to scatter in four directions. This GIF movie consists of the sixteen frames shown below (60 ms/frame).
Copyright Akiyoshi Kitaoka 2023 (February 6)
cf.
"Are the rainbow colors continuous?"
Yes, they are, perceptually. But some colors are not continuous at the pixel level.
Copyright Akiyoshi Kitaoka 2022 (November 19)
the original image
The transformed image with the highest chroma (Web program to transform）
cf. Color illusion that veins appear to be bluish though the pixels are
not
cf. How to make a color illusion image with additive color change
ワードで作る色の錯視教室・その1 （その2があるかどうかはわからない）
— Akiyoshi Kitaoka (@AkiyoshiKitaoka) April 30, 2020
まずは、赤いものが写った写真を用意してください。 pic.twitter.com/fCLXQzxl4v
cf. Web program to combine images addtitively
加算的色変換と乗算的色変換（additive color change and multiplicative one） <November 10, 2022>
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