TIFF Format Specification

TIFF 6.0 Specification

Final—June 3, 1992

Contents

Introduction ....................................................................................................................4

About this Specification ...................................................................... 4

Revision Notes ..................................................................................... 6

TIFF Administration .............................................................................8

Information and Support ......................................................................... 8

Private Fields and Values ...................................................................... 8

Submitting a Proposal ............................................................................ 9

The TIFF Advisory Committee ............................................................... 9

Other TIFF Extensions ...........................................................................9

Part 1: Baseline TIFF ....................................................................................................11

Section 1: Notation ............................................................................ 12

Section 2: TIFF Structure ..................................................................13

Section 3: Bilevel Images ..................................................................17

Section 4: Grayscale Images ............................................................ 22

Section 5: Palette-color Images ........................................................ 23

Section 6: RGB Full Color Images .................................................... 24

Section 7: Additional Baseline TIFF Requirements ........................ 26

Section 8: Baseline Field Reference Guide ..................................... 28

Section 9: PackBits Compression .................................................... 42

Section 10: Modified Huffman Compression ................................... 43

Part 2: TIFF Extensions ..............................................................................................48

Section 11: CCITT Bilevel Encodings .............................................. 49

Section 12: Document Storage and Retrieval ................................. 55

Section 13: LZW Compression ......................................................... 57

Section 14: Differencing Predictor ................................................... 64

Section 15: Tiled Images ................................................................... 66

Section 16: CMYK Images ................................................................. 69

Section 17: HalftoneHints ..................................................................72

Section 18: Associated Alpha Handling .......................................... 77

Section 19: Data Sample Format ...................................................... 80

Section 20: RGB Image Colorimetry ................................................ 82

Section 21: YCbCr Images ................................................................ 89

Section 22: JPEG Compression ....................................................... 95

Section 23: CIE L*a*b* Images ........................................................ 110

Part 3: Appendices ....................................................................................................116

Appendix A: TIFF Tags Sorted by Number .................................... 117

Appendix B: Operating System Considerations ........................... 119

Index ...............................................................................120

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