User contributions for 109.252.90.66

6 February 2021

• 06:5006:50, 6 February 2021 diff hist +15‎ Rec. 2020 ‎ →‎Transfer characteristics: it is not actually 2.4 gamma Tag: Visual edit
• 06:4406:44, 6 February 2021 diff hist +33‎ DCI-P3 ‎ →‎Display P3: added that Display P3 is display referred
• 06:3906:39, 6 February 2021 diff hist +22‎ DCI-P3 ‎ →‎2014-2016: clarified that 90% is in xv, not in XYZ Tag: Visual edit
• 06:3706:37, 6 February 2021 diff hist +44‎ DCI-P3 ‎ →‎System colorimetry: added info about blue Tag: Visual edit
• 06:3406:34, 6 February 2021 diff hist −373‎ DCI-P3 ‎ →‎System colorimetry: dearchive the link, while actually reusing the cite Tag: Visual edit
• 06:1906:19, 6 February 2021 diff hist +191‎ SRGB ‎ Added the first ever proposal there
• 06:0306:03, 6 February 2021 diff hist −1‎ DCI-P3 ‎ →‎2018: punct.
• 06:0306:03, 6 February 2021 diff hist +23‎ DCI-P3 ‎ https Tag: Visual edit: Switched

5 February 2021

• 18:4718:47, 5 February 2021 diff hist +96‎ SMPTE color bars ‎ →‎References: https, patent expiration Tag: Visual edit
• 18:4018:40, 5 February 2021 diff hist +85‎ SMPTE color bars ‎ Fixed a link Tag: Visual edit
• 18:3118:31, 5 February 2021 diff hist +13‎ SMPTE color bars ‎ actually, that is more correct Tag: Visual edit
• 18:1418:14, 5 February 2021 diff hist +182‎ SMPTE color bars ‎ fixed a link, ARIB did not have any BT.709 stuff Tag: Visual edit
• 18:0118:01, 5 February 2021 diff hist +2‎ SMPTE color bars ‎ style
• 16:5216:52, 5 February 2021 diff hist +304‎ Rec. 709 ‎ →‎Transfer characteristics: BT.1886 is not actually the same as 2.40 gamma Tag: Visual edit
• 15:3615:36, 5 February 2021 diff hist +445‎ XvYCC ‎ →‎Definition: added coverage of CIELUV Tag: Visual edit
• 15:0415:04, 5 February 2021 diff hist +12‎ Rec. 2020 ‎ →‎RGB and luma-chroma formats: fixed slightly wrong wording Tag: Visual edit
• 15:0015:00, 5 February 2021 diff hist +162‎ Rec. 2020 ‎ →‎System colorimetry: archive the link, interesting, how did they calculate those? is it xv or something else? xv is different Tag: Visual edit
• 13:0713:07, 5 February 2021 diff hist +4‎ CIE 1960 color space ‎ wikification Tag: Visual edit
• 12:0912:09, 5 February 2021 diff hist −3‎ SRGB ‎ →‎Viewing environment: double spaces, 5000 K is now 5003 K as said in Illuminant_D65#Why_6504_K? Tag: Visual edit
• 11:4711:47, 5 February 2021 diff hist +85‎ Rec. 709 ‎ →‎Primary chromaticities: Really?? SMPTE C was used back in BT.470, not in BT.601, clarified what is "halfway between" Tag: Visual edit
• 09:3209:32, 5 February 2021 diff hist +15‎ SMPTE color bars ‎ →‎Usage: wikification of first IRE (unit) mention
• 08:3608:36, 5 February 2021 diff hist +1‎ AMOLED ‎ →‎Future: punct. Tag: Visual edit
• 08:2908:29, 5 February 2021 diff hist 0‎ XvYCC ‎ →‎Definition: style
• 08:0608:06, 5 February 2021 diff hist +756‎ Rec. 709 ‎ →‎Primary chromaticities: added other coverages in CIE u'v' and xy; https Tag: Visual edit
• 07:0707:07, 5 February 2021 diff hist +315‎ JPEG 2000 ‎ Undid revision 999461494 by Fireattack (talk) This is not true. It is mainly lossless format! There was just a bug in reference implementation, that was fixed, https://github.com/uclouvain/openjpeg/issues/674 it also defaults to lossless Tags: Undo Reverted

4 February 2021

• 06:1706:17, 4 February 2021 diff hist +2‎ Tz database ‎ →‎General: https
• 04:3204:32, 4 February 2021 diff hist +38‎ Rec. 709 ‎ →‎Luma coefficients: added when it was changed

3 February 2021

• 15:3615:36, 3 February 2021 diff hist +52‎ YCbCr ‎ →‎ITU-R BT.2020 conversion: Y' is calculated from linear R, G, B indeed and only then gamma corrected Tag: Visual edit
• 15:3615:36, 3 February 2021 diff hist +82‎ Rec. 2020 ‎ →‎RGB and luma-chroma formats: added the formula for YcCbcCrc
• 15:2215:22, 3 February 2021 diff hist +293‎ Talk:Gibbs phenomenon ‎ →‎About the constant
• 14:2914:29, 3 February 2021 diff hist +217‎ Talk:Rec. 2020 ‎ →‎Y' as Weighted Sum
• 14:2614:26, 3 February 2021 diff hist +126‎ Talk:Rec. 2020 ‎ →‎Wrong Cb / Cr formulas
• 14:2514:25, 3 February 2021 diff hist +102‎ Rec. 2020 ‎ →‎RGB and luma-chroma formats: clarified the formulas Tag: Visual edit

2 February 2021

• 19:4119:41, 2 February 2021 diff hist −1‎ 24p ‎ It is frames per second, but frame/s Tag: Visual edit
• 07:0607:06, 2 February 2021 diff hist +210‎ Talk:Jen Psaki ‎ →‎Uncontrolled amplification goes to 11

1 February 2021

• 11:3711:37, 1 February 2021 diff hist +78‎ Photo CD ‎ →‎Encoding: archive the link with more readable stuff Tag: Visual edit
• 08:1408:14, 1 February 2021 diff hist +81‎ Talk:Charles Darwin ‎ →‎Darwin's abominable mistery
• 08:1208:12, 1 February 2021 diff hist +123‎ Talk:Charles Darwin ‎ →‎Darwin's abominable mistery
• 07:5507:55, 1 February 2021 diff hist +225‎ Talk:Charles Darwin ‎ →‎Darwin's abominable mistery
• 07:4907:49, 1 February 2021 diff hist +5‎ Talk:SRGB ‎ →‎"The numerical values below match those in the official sRGB specification,[1][3]"
• 07:4107:41, 1 February 2021 diff hist +285‎ Talk:SRGB ‎ →‎"The numerical values below match those in the official sRGB specification,[1][3]"
• 07:0807:08, 1 February 2021 diff hist −6‎ Rec. 709 ‎ →‎Luma coefficients: style
• 07:0507:05, 1 February 2021 diff hist +57‎ Rec. 709 ‎ →‎Luma coefficients: added what was used in BT.709-1

31 January 2021

• 14:0414:04, 31 January 2021 diff hist −1‎ Longest prefix match ‎ style
• 05:2905:29, 31 January 2021 diff hist +66‎ NTSC ‎ Fix warning

29 January 2021

• 21:1421:14, 29 January 2021 diff hist +50‎ YCbCr ‎ →‎YCbCr: yeah, 8.68%
• 15:1315:13, 29 January 2021 diff hist +235‎ Talk:YCbCr ‎ →‎Rounding
• 15:0015:00, 29 January 2021 diff hist +248‎ Talk:Y′UV ‎ →‎Where does "YUV420p" come from?
• 14:5614:56, 29 January 2021 diff hist +821‎ XvYCC ‎ added links to XYZ matrix and ranges for nonlinear R'G'B' Tag: Visual edit
• 01:0001:00, 29 January 2021 diff hist +76‎ Hybrid log–gamma ‎ →‎Technical details: clarified the derivation of b and c constants (BT.2100) Tag: Visual edit