Backup of ColorQuantization (No. 6)

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  • 1 (2017-03-17 (Fri) 12:52:19)
  • 2 (2017-03-29 (Wed) 12:52:37)
  • 3 (2018-11-09 (Fri) 01:23:20)
  • 4 (2019-02-05 (Tue) 00:52:23)
  • 5 (2019-08-08 (Thu) 13:53:12)
  • 6 (2019-10-14 (Mon) 22:24:21)
  • 7 (2019-10-14 (Mon) 23:35:06)
  • 8 (2019-10-15 (Tue) 01:24:23)
  • 9 (2020-10-16 (Fri) 20:19:17)

基本

• https://en.wikipedia.org/wiki/Color_quantization

• 減色アルゴリズム
  • http://www.syuhitu.org/other/dcol/dcol.html

アルゴリズム

• 均等量子化法 (UniformQuantization)
• 中央値分割法 (MedianCut)
• K-means (ColorQuantization/K-means)
• 頻度均等化法 (PopulationEqualize)
• Octtree (ColorQuantization/Octtree)

• 減色アルゴリズム[量子化/メディアンカット/k平均法]
  • http://www.petitmonte.com/math_algorithm/subtractive_color.html
• ImageMagick 改造入門 (その弐) 減色処理前編
  • http://labs.gree.jp/blog/2012/09/4824/
• のりだー君の画像処理講座
  • http://hp.vector.co.jp/authors/VA017815/imagekouza2.htm

• 24bit → 8bit 減色
  • http://koujinz.cocolog-nifty.com/blog/2009/04/24bit-8bit-a879.html

関連

• Dither ディザ