TIFF 6.0 Specification
Final—June 3, 1992
Revision Notes
Minor changes to TIFF 6.0, March 1995
Updated contact information and TIFF administration policies, since Aldus Cor-
poration merged with Adobe Systems Incorporated on September 1, 1994.
The technical content and pagination are unchanged from the original June 3,
1992 release.
TIFF 5.0 to TIFF 6.0
This revision replaces TIFF Revision 5.0.
In the main body of the document, paragraphs that contain new or substantially-
changed information are shown in italics.
New Features in Revision 6.0
Major enhancements to TIFF 6.0 are described in Part 2. They include:
• CMYK image definition
• A revised RGB Colorimetry section.
• YCbCr image definition
• CIE L*a*b* image definition
• Tiled image definition
• JPEG compression
Clarifications
• The LZW compression section more clearly explains when to switch the cod-
ing bit length.
• The interaction between Compression=2 (CCITT Huffman) and
PhotometricInterpretation was clarified.
• The data organization of uncompressed data (Compression=1) when
BitsPerSample is greater than 8 was clarified. See the Compression field de-
scription.
• The discussion of CCITT Group 3 and Group 4 bilevel image encodings was
clarified and expanded, and Group3Options and Group4Options fields were
renamed T4Options and T6Options. See Section 11.
6