Backup of ImageMagick (No. 6)

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減色

• QuantizeImage
  • http://www.imagemagick.org/api/quantize.php
• Algorithm Description
  • http://www.imagemagick.org/www/quantize.html

GIFアニメ

• ImageMagickでGIFアニメをリサイズ
  • http://labs.unoh.net/2008/12/imagemagickgif.html

imagick

• http://jp.php.net/manual/ja/book.imagick.php
• http://phpspot.org/blog/archives/2006/09/phpimagick.html
• http://study.rakuto.net/php/phptips/imagick/
• http://valokuva.org/

MagickWand

• MagickWand日本語解説「魔法使いKの杖」 ImageMagickとは
  • http://magickwand.blog43.fc2.com/blog-category-0.html

メモ

• http://itpro.nikkeibp.co.jp/article/COLUMN/20070704/276677/

  この場合、縦横比は一定になるように拡大・縮小されます。次に、縮小はしたいが、
  拡大はしたくない場合の例です。
  
  convert a.gif -resize 100x100\> b.gif

• http://kyle-in-jp.blogspot.com/search/label/%E6%98%8E%E5%BA%A6

  * ImageMagickで画像の暗い部分を明るくする

convert from.jpg ( from.jpg -matte -channel a -fx "luminosity<0.4?p:0"
-modulate 160 ) -composite to.png