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Widely
used in digital cameras, the DCF Ver. 1.0
standard applies to images compressed as
JPEG data using the sRGB color space.
In
addition to the sRGB color space used in
DCF Ver. 1.0 standard, the newly-established
DCF Ver. 2.0 (established September 2003)
allows the use of Adobe RGB, a standard
used in commercial sectors such as the printing
and publishing industry. DCF Ver. 2.0 defines
Adobe RGB as an optional color space. In
order to differentiate JPEG files recorded
using this color space from those recorded
using conventional sRGB, new rules for operation
have been incorporated, such as adding an
underline in front of the file name. This
enables Exif information to indicate that
a JPEG image was recorded in Adobe RGB color
space when recorded in Adobe RGB mode. Clearly
differentiating Adobe RGB from sRGB allows
correct reproduction of the color space
used to capture the image.
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