More Related Content
Viewers also liked (20)
Similar to CIC 17 - Color Science & Imaging: Future Opportunities (12)
Recently uploaded (20)
CIC 17 - Color Science & Imaging: Future Opportunities
- 1. Color Science & Imaging: Future Opportunities Nathan Moroney, Principal Scientist, HP Labs, Print Production Automation Lab
- 2. Overview Acknowledge that this talk is one of the keynotes from the MCSL25th Anniversary symposium Approach the topic as a question of color extrapolation Format the presentation as a series of questions First portion are a broad sampling of opportunities Last part is more specific to my ongoing research interests CIC17 2
- 3. Bigger Future of Color Imaging Smaller Novel Personal Intuitive Authentic Pervasive Hybrid CIC17 3
- 4. Q: What tool would you want to have when you meet the president? CIC17 4
- 5. (Digital) Cameras Color photograph taken in Iraq on the cover of the Wall Street Journal 息 Zuma Press CIC17 5
- 6. Q: Whats a good way to remember something that never happened? CIC17 6
- 7. (Digital) Printing Ink jet print of me with ink jet printed Bill & Dave. CIC17 7
- 8. Q: A Softball is to a ping-pong ball as ? CIC17 8
- 9. Ink Jet Drop Volumes Five years ago 30 to 50 picoliters Where a picoliter is 1/1,000,000,000,000 liter Currently as low as 2 to 4 picoliters, with an announcement of 1 picoliter drop (~20 microns) example application is printing prototype flexible displays Roughly from a softball to ping-pong ball Spot sizes from 150 microns to 50 microns See also image sensor detector sizes CIC17 9
- 10. Q: How long does it take to get a spectrophotometer from a benchtop to a printer? CIC17 10
- 11. 1929: Benchtop Dr. Arthur Hardy with his spectrophotometer. Journal American Oil Chemists Society CIC17 11
- 12. 2009: Printers So thats about 80 years from benchtop to printer. CIC17 12
- 13. Q: Is there more to colorants than dyes, pigments and the occasional lake? CIC17 13
- 14. Nanoscale Structures Graphene created through abrasion of graphite? CIC17 14
- 15. Nanoscale Structural Color Carbon nanotubes with 10 nm diameters can have reflectances of < 0.05% Z. Yang et al, Experimental Observation of an Extremely Dark Material Made by a low Density Nanotube Array, Nano Letters, (2008) P. Vukusic et al, Structurally assisted blackness in butterfly wings, Proc. R. Soc. Lond. B, S237-239 Suppl. 4, (2004). X. Zhou et al, Color Detection Using Chromophore- Nanotube Hybrid Devices, Nano Letters (2009). CIC17 15
- 16. Q: Is Variable Data Printing just about paper? CIC17 16
- 17. Variable Data Textiles Spoonflower.com CIELAB encoded textile designs uploaded to a web site and then digitally printed Digital personalization in this case is color CIC17 17
- 18. Q: When is printing not about making prints? CIC17 18
- 19. Flexible Displays HP Labs Information Surfaces Lab Roll-to-roll self-aligned imprint lithography flexible displays. Color properties a key consideration. CIC17 19
- 20. Q: Whats a reference magazine? CIC17 20
- 21. The Color Thesaurus Magcloud.com Web service for indigo printing of magazines Mashing of physical form factors CIC17 21
- 22. Q: How many colors per feet per minute are there in a high speed inkjet press? CIC17 22
- 23. Inkjet Web Press: Speed 400 Feet per Minute CIC17 23
- 24. Inkjet Web Press: and Color 1200 x 600 dpi addressability Four Color CMYK Printing From pages per minute to miles per hour CIC17 24
- 25. Q: Seen any interesting color imaging in a museum lately? CIC17 25
- 26. New York MOMA: April 2009 The Printed Picture Exhibit: the enormous social impact of multiple images. CIC17 26
- 27. Chromaticity Diagrams @ MOMA! If today's complex tools are not carefully calibrated and controlled they wreak havoc. CIC17 27
- 28. Digital Presses @ MOMA In the digital realm it is no longer possible for a photographer or printer to develop an intuitive grasp of materials and processes simply by using them. CIC17 28
- 29. Q: What does a book with 5000 authors look like? CIC17 29
- 30. Unconstrained Color Naming on the Web = A Book with 5000 Authors CIC17 30
- 31. Q: What do you mean, your computer is better at naming colors than you are? CIC17 31
- 32. Machine Color Naming Every pixel gets a color name Color, the only meaningful cognitive category for a single pixel Based on large scale corpus of color names collected online Basis for lexical image processing My computer knows more color names and color name boundaries than I do. In fact it taught me chartreuse. CIC17 32
- 33. Q: So the color naming debate is not just about the universalist versus relativist philosophical argument? CIC17 33
- 34. Prototype Theory vs. Fuzzy Logic Original Process CIELAB each pixel Slices one at a time Learn Prototype centroids, Theory need a distance metric Learn Fuzzy memberships, Logic need full memberships in a color space CIC17 34
- 35. Q: How does color naming pixels help? CIC17 35
- 36. Lexical Quantization Massive, non-uniform, image independent, natural language partitioning of color space 24-Bit Original Uniform Device Lexical Quantization Quantization (27 colors) (25 names) CIC17 36
- 37. Lexical Quantization: Image 24-Bit Original Uniform Device Lexical Quantization Quantization (27 colors) (25 names) CIC17 37
- 38. Q: Is there an aesthetics of abstraction? CIC17 38
- 40. Future Opportunities Pages per minute to miles per hour Digital is the original, and its museum-worthy Variable data color grows out Race for flexible color displays Innovations on the nano-scale Numbers to names, and back again Questions? CIC17 40