Is it turquoise + fuchsia = purple or is it turquoise + fuchsia = blue?

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Presentation made at EI 2011

Presentation made at EI 2011

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  • 1. Is it turquoise + fuchsia = purple or is it turquoise + fuchsia = blue? Giordano B. Beretta, Nathan M. Moroney Printing & Content Delivery Lab Hewlett-Packard Laboratories Palo Alto, California Color Imaging XVI: Displaying, Processing, Hardcopy, and Applications San Francisco Airport, 24 – 27 January 2011Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 1 / 16
  • 2. Color diagrams by scientists Fig. 2−1: Chromaticities of the six filters Green 203−3E Green 206−3E Red 304M−3E 0.5 0.4 0.3 v’ 0.2 Blue 111−3E 0.1 0 0 0.1 0.2 0.3 0.4 0.5 0.6 u’ Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 2 / 16
  • 3. Color diagrams by designers Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 3 / 16
  • 4. sRGB color diagram Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 4 / 16
  • 5. It is 3-dimensional!Assuming we are viewing on an sRGB display Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 5 / 16
  • 6. Printer gamutAssuming we are viewing on an sRGB display resp. print Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 6 / 16
  • 7. Color theories — an abstractionLeonardo da Vinci vs. Johannes Itten Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 7 / 16
  • 8. Itten revealed Gelb Gelborange Gelbgrün Grün Orange Blau- Rot- grün orange Blau Rot Rotviolett Blauviolett ViolettIt is lexical! Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 8 / 16
  • 9. Color by measurement Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 9 / 16
  • 10. Naming color Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 10 / 16
  • 11. Validating crowd-sourcingThe calibrated lunch. Instructions: Please take a colored patch from one of the volunteers before getting your food The game consists of sitting at the table with color name closest to your colored chip If you have any difficulties with selecting a table please ask for help from anyone The table with closest agreement or smallest difference between their color patches will win a prize One member of the winning table will then be eligible to win the grand prize Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 11 / 16
  • 12. Color chips given and color seating arrangement Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 12 / 16
  • 13. Calibrated lunch vs. Web color centroidsCIECAM02 hue angles for 25 non-basic color terms: 360 y = 1.01x – 4.57 R 2 = 0.99 270 Calibrated Lunch 180 90 0 0 90 180 270 360 Uncalibrated Web Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 13 / 16
  • 14. Beyond crowd sourcingEnglish corpus 1800 − 2000, smoothing of 3 Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 14 / 16
  • 15. What is the best term for RGB = (0, 1, 1)?English corpus 1800 − 2000, smoothing of 3 Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 15 / 16
  • 16. Is the term for RGB = (1, 1, 0) monolexemic?English corpus 1800 − 2000, smoothing of 3 Beretta & Moroney (HP Labs) Session 5: Vision EI 2011 paper 7866-16 16 / 16