YCCK

Color > 色空間 > CMYK

JPEG

• カラースペースの変換と一般的なマーカー
  • http://docs.oracle.com/javase/jp/7/api/javax/imageio/metadata/doc-files/jpeg_metadata.html#color

• How to convert from CMYK to RGB in Java correctly?
  • http://stackoverflow.com/questions/3123574/how-to-convert-from-cmyk-to-rgb-in-java-correctly/12132630#12132630

    Adobe CYYK (some variant with inverted colors as well).
    For CMYK JPEG images, you need to distinguish between regular CMYK, Adobe CMYK (with inverted values, i.e. 255 for no ink and 0 for maximum ink) and Adobe CYYK (some variant with inverted colors as well).

• JPEG images with CMYK and YCCK image data
  • http://www.randelshofer.ch/blog/2008/10/jpeg-images-with-cmyk-and-ycck-image-data/

関連

• Adobe
• CMYK
• CYYK