A program to produce an image of color illusion or to restore the original image from a color illusion image by converting (compressing or extending) the ranges of RGB-subpixel values
(RGB値のレンジを狭めたり広げたりすることで、色の錯視画像を作ったり、色の錯視画像の元の画像を復元したりするプログラム)
made by Akiyoshi Kitaoka, April 14, September 17, October 3, 2022

Original image


eyedropper tool 色確認用

 Convert to R: -  G: -  B: -



倍率 x



CIE xy chromaticity diagram (CIE xy色度図)

  dot size

other chromaticity diagrams その他の色度図



Converted image



eyedropper tool 色確認用


倍率 x



CIE xy chromaticity diagram (CIE xy色度図)

  dot size

other chromaticity diagrams その他の色度図


Preset images プリセット画像

















(My list of Javascript programs)


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Reference:

Shapiro, A., Hedjar, L., Dixon, E., & Kitaoka, A. (2018). Kitaoka's tomato: Two simple explanations based on information in the stimulus. i-Perception, 9(1), January-February, 1-9. PDF (open access)




Note: renamed from compress-extend-histogram01f.html (April 14, 2022)