Backup diff of YCbCr vs current(No. 4)

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  • 1 (2014-11-14 (Fri) 19:01:54)
  • 2 (2015-07-02 (Thu) 01:29:18)
  • 3 (2015-10-15 (Thu) 19:08:16)
  • 4 (2016-08-03 (Wed) 00:05:00)
  • 5 (2016-09-05 (Mon) 09:57:56)
  • 6 (2020-12-25 (Fri) 20:50:06)
  • 7 (2024-04-16 (Tue) 14:27:18)

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.

[[色空間>ColorSpace]]

- [[BT.601]] | [[Rec.709]] | [[Rec.2020]]

- RGB⇔YCbCr変換
--  http://koujinz.cocolog-nifty.com/blog/2009/03/rgbycbcr-a4a5.html
--  http://koujinz.cocolog-nifty.com/blog/2009/03/rgbycbcr-5d00.html

- YCbCr⇒RGB の変換
--  http://d.hatena.ne.jp/tarab007/20070909


-  8.16. チャンネル分解
--  http://docs.gimp.org/ja/plug-in-decompose-registered.html
 YCbCr ITU R470、 YCbCr ITU R709、 YCbCr ITU R470 256、 YCbCr ITU R709 256


- JPEG2000-RCT (Reversible Color Transform)
--  https://www.ffmpeg.org/~michael/ffv1.html#jpeg2000-rct

* 実装 [#impl]

- https://hg.mozilla.org/mozilla-central/file/87e23922be37/gfx/ycbcr

*その他 [#bb44fbde]

- 色空間の変換(4)  YCbCr/YPbPr 色空間
--  http://w3.kcua.ac.jp/~fujiwara/infosci/colorspace/colorspace4.html ([https://web.archive.org/web/20190306090215/http://w3.kcua.ac.jp/~fujiwara/infosci/colorspace/colorspace4.html 20190306090215])

-  https://twitter.com/yoya/status/695903735667511296
 BT.601-7 の 2.5.5 に方針の記述を見つけた。色域を沢山表現できるのでRGBに落とす時は主観的におかしくないよう輝度と色相を保持しましょうとだけ。具体的な処理が気になる。

* 関連 [#rel]

- [[Color]]
- [[JPEG]]