A program to shift RGB colors simply
(RGB値のレンジを上げたり下げたりするプログラム)
made by Akiyoshi Kitaoka, December 17, 2024

Original image


eyedropper tool 色確認用

estimated modulation color (nonlinear)
estimated modulation color (linear)

Original R: -  G: -  B: -  (manual imput)

 shift (plus or minus) 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)


Top page (English 英語) --- (日本語 Japanese)






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)