DCI-P3

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The CIE 1931 chromaticity diagram with the spectral colors and purple line along the rim. The corners of the triangle are the primary colors of the DCI-P3 color space. DCI-P3 D65 uses Illuminant D65 for the white point.

DCI-P3, or DCI/P3, is a common RGB color space for digital movie projection from the American film industry.[1]

History

Early History

In the CIE 1931 xy chromaticity diagram the DCI-P3 color space covers 45.5% of all chromaticities and 86.9% of Pointer’s gamut. In the CIE 1976 u’v’ chromaticity diagram the coverage is 41.7% and 85.5% respectively.[2] The blue primary color is the same as sRGB and Adobe RGB;[1] the red primary color is a monochromatic light source and has a wavelength of 615 nm. DCI-P3 was defined by the Digital Cinema Initiatives (DCI) organization and published by the Society of Motion Picture and Television Engineers (SMPTE) in SMPTE EG 432-1 and SMPTE RP 431-2.[3] As a step towards the implementation of the significantly wider Rec. 2020 it is expected to see adoption in television systems and in the home cinema domain.[4]

On November 10, 2010, SMPTE published SMPTE EG 432-1:2010.[5]

On April 6, 2011, SMPTE published SMPTE RP 431-2:2011.[6]

2015-2016

In September 2015, Apple's iMac desktop became the first consumer computer with a built-in wide-gamut display, supporting the P3 color space.

On January 4, 2016, the UHD Alliance announced their specifications for Ultra HD Premium which requires devices to display at least 90% of the DCI P3 color space.[7][8]

In August 2016, the Samsung Galaxy Note 7 shipped with an HDR display[9] with 100% DCI-P3 color gamut.[10]

In September 2016, Apple's 9.7-inch iPad Pro shipped with a display supporting P3 color.

In September 2016, Apple's iPhone 7 shipped with a wide-gamut display, supporting P3.[11]

In October 2016, Microsoft's Surface Studio desktop computer was unveiled, featuring P3 wide color.

In October 2016, Apple's new MacBook Pro notebook was released with a wide-gamut display, featuring support for P3.[12]

2017

In April 2017, Samsung released the Galaxy S8, which supports P3 wide color.[13]

In June 2017, Apple unveiled the second generation of the 12.9-inch iPad Pro and the new 10.5-inch iPad Pro, both shipped with a display supporting P3 color.

In June 2017, OnePlus 5 was released with this feature.[14]

In September 2017, Apple unveiled the iPhone 8 and 8 Plus with support for P3 color.[15]They also unveiled the iPhone X which also covers 103% of P3 color.[16][17][18]

In October, 2017, Google released the Pixel 2, which covers 95% of the P3 color standard, and the Pixel 2 XL, which covers 100%. [19]

In November 2017, HTC announced HTC U11+ phone with DCI-P3 color support [20].

In December 2017, Apple released iMac Pro, featuring P3 wide color.[21]

System colorimetry

RGB color space parameters[22][23]
Color space White point Primary colors
xW yW xR yR xG yG xB yB
DCI-P3 D65 0.3127 0.3290 0.680 0.320 0.265 0.690 0.150 0.060
DCI-P3 Theater 0.314 0.351 0.680 0.320 0.265 0.690 0.150 0.060

DCI-P3 has a 25% larger color gamut than sRGB.[24]

References

  1. ^ a b "Color spaces". Technicolor SA. Archived from the original on 2016-02-03. Retrieved 2016-02-01. 
  2. ^ Kid Jansen (2014-02-19). "The Pointer's Gamut". tftcentral. Retrieved 2017-01-06. 
  3. ^ The Society of Motion Picture and Television Engineers, 2011, New York: RP 431-2, D-Cinema Quality – Reference Projector and Environment for the Display of DCDM in Review Rooms and Theaters
  4. ^ Geoffrey Morrison (2015-04-12). "Ultra HD 4K TV color, part II: The (near) future". CNET. Retrieved 2016-02-01. 
  5. ^ "EG 432-1:2010 - Digital Source Processing — Color Processing for D-Cinema". Institute of Electrical and Electronics Engineers. 2010-11-10. Retrieved 2016-02-01. 
  6. ^ "RP 431-2:2011 - D-Cinema Quality — Reference Projector and Environment". Institute of Electrical and Electronics Engineers. 2011-04-06. Retrieved 2016-02-01. 
  7. ^ "UHD Alliance Defines Premium Home Entertainment Experience". Business Wire. 2016-01-04. Retrieved 2016-02-01. 
  8. ^ Andy Vandervell (2016-01-06). "What is Ultra HD Premium? New HDR standard explained". TrustedReviews. Time Inc. UK. Retrieved 2016-09-19. 
  9. ^ "The HDR screen of the Galaxy Note 7 could be the next big thing for phones". CNET. Retrieved 2017-04-09. 
  10. ^ "Galaxy Note7 OLED Display Technology Shoot-Out". www.displaymate.com. Retrieved 2017-04-09. 
  11. ^ Mike Wuerthele (2016-09-09). "Apple's Wide Color screen on the iPhone 7 will lead to more faithful color reproduction". AppleInsider. Retrieved 2016-09-19. 
  12. ^ "MacBook Pro - Technical Specifications". Apple. Retrieved 2017-09-15. 
  13. ^ Soneira, Raymond. "Galaxy S8 OLED Display Technology Shoot-Out". DisplayMate. Retrieved 4 April 2017. 
  14. ^ Rahman, Mishaal (29 June 2017). "Enable the OnePlus 5's DCI-P3 Wide Color Gamut Mode on the OnePlus 3T". xda-developers. Archived from the original on 29 June 2017. Retrieved 29 June 2017. 
  15. ^ "Microsoft Surface Studio Vs Apple iMac: Australian Specs And Pricing Compared". Lifehacker Australia. 2016-11-01. Retrieved 2017-09-15. 
  16. ^ "iPhone X - Technical Specifications". Apple. Retrieved 2017-09-15. 
  17. ^ "iPhone 8 - Technical Specifications". Apple. Retrieved 2017-09-15. 
  18. ^ "iPhone X OLED Display Technology Shoot-Out". www.displaymate.com. Retrieved 2018-01-02. 
  19. ^ "Pixel 2 Tech Specs - Google Store". store.google.com. Retrieved 2017-10-04. 
  20. ^ "HTC U11 Plus". HTC. Retrieved 3 November 2017. 
  21. ^ "iMac Pro - Technical Specifications". Apple. Retrieved 2017-08-18. 
  22. ^ Kid Jansen. "The Pointer's Gamut". TFT Central. Retrieved 2016-01-30. 
  23. ^ Rajan Joshi; Shan Liu; Gary Sullivan; Gerhard Tech; Ye-Kui Wang; Jizheng Xu; Yan Ye (2016-01-31). "HEVC Screen Content Coding Draft Text 5". JCT-VC. Retrieved 2016-01-31. 
  24. ^ Dean Jackson (2016-07-01). "Improving Color on the Web". WebKit. Retrieved 2016-09-19. 
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