Difference between revisions of "Exif"

Exchangeable image file format (official abbreviation Exif, not EXIF) is a specification for the image file format used by digital cameras. It was created by the Japan Electronic Industry Development Association (JEIDA). The specification uses the existing JPEG, TIFF Rev. 6.0, and RIFF WAVE file formats, with the addition of specific metadata tags. It is not supported in JPEG 2000 or PNG. However, it is supported in over 30 file formats and there are many tools for embedding and retrieving this type of metadata.

Developer Challenges

Develop software that embeds and can edit licenses and metadata into this file format. The tag types to use for this are the XMP dc type and the XMP cc tag type.

Also, one should support the standard Exif metadata tag "Copyright", which is a string would be important as well:

   0x8298 Copyright string IFD0

And the Comment type as well:

   0x9286 UserComment undef ExifIFD

Exif basic tag types are available here: http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/EXIF.html

Implementations

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Examples

Code

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Sample

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Mockups

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TODO

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Reference

• http://en.wikipedia.org/wiki/Exif
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