ISO 20677:2019

Image technology colour management - Extensions to architecture, profile format and data structure

This document is based on ISO 15076-1, and describes an expanded profile specification and profile connections that permit greater flexibility and functionality than ISO 15076-1. All definitions and requirements in ISO 15076-1 are therefore in force unless otherwise specified by this document. This document defines minimum structural and operational requirements for writing and reading ICC profiles. Additional workflow requirements and restrictions are defined in domain-specific interoperability conformance specification (ICS) documents approved and registered by the ICC. In this document, some ISO 15076-1 types have been removed, and others have been added. A colour management module (CMM) compatible with profiles conforming to this document will have backwards compatibility with profiles conforming to ISO 15076-1. Where the name of a type in this document is the same as a type in ISO 15076-1, the type definition is based on the ISO 15076-1 definition. The exception is the definition of the MPE type, which has been expanded. Where the extensions described in this document are not required in a particular workflow, ISO 15076-1 is used as the basis for colour management profiles and architectures.

Gestion des couleurs dans les technologies de l'image — Extensions d'architecture, de format de profil et de structure de données

Barvno upravljanje upodobitvenih tehnologij - Razširitve za arhitekturo, format profila in podatkovno strukturo

General Information

• Status: Published
• Publication Date: 12-Feb-2019
• ICS: 35.240.30 - IT applications in information, documentation and publishing
• ICS: 37.100.99 - Other standards related to graphic technology
• Technical Committee: ISO/TC 130 - Graphic technology
• Drafting Committee: ISO/TC 130/JWG 7 - Joint TC 130 - ICC WG: colour management
• Current Stage: 9093 - International Standard confirmed
• Start Date: 02-Jul-2024
• Completion Date: 13-Dec-2025
• Ref Project: SIST ISO 20677:2020 - Image technology colour management - Extensions to architecture, profile format and data structure

Overview

ISO 20677:2019 - Image technology colour management - defines extensions to the ICC profile architecture, profile format and data structure. Based on ISO 15076-1, this standard expands profile specifications and profile connection mechanisms to enable greater flexibility and functionality in colour management workflows. It sets minimum structural and operational requirements for writing and reading ICC profiles while preserving backwards compatibility with ISO 15076-1 profiles. Domain-specific workflow restrictions and additional requirements are specified in ICC-approved interoperability conformance specification (ICS) documents.

Key topics and technical requirements

• Extended profile architecture: Adds new profile classes and connection space concepts (e.g., spectral and bi-spectral PCSs, BRDF and directional viewing connections, multiplex connection spaces).
• Profile header and tag table enhancements: Defines extended header fields and detailed tag table structure. Header examples include profile size, preferred CMM type, profile version/sub-version, profile/device class, data colour space, PCS, date/time, profile file signature, platform, profile flags, manufacturer/model, rendering intent, PCS illuminant, profile ID, spectral PCS fields, and MCS.
• Expanded basic data types: Introduces and refines types such as float16Number, float64Number, azimuthNumber, horizontalNumber, verticalNumber, zenithNumber, spectralRange, tintArray, and sparse matrix encodings (including a new sparseMatrixEncodingType).
• MPE/MCS and BRDF: The Multi-Profile Extensions (MPE) type is expanded; spectral and parameter-based BRDF connections and MCS (Multiplex Connection Space) encodings are specified for complex device and material representations.
• Conformance and backward compatibility: CMMs (colour management modules) compatible with ISO 20677 profiles remain backwards compatible with ISO 15076-1 profiles; conformance rules and precedence of tag usage are defined.

Practical applications and who uses it

This standard is intended for practitioners implementing advanced colour workflows and profile formats, including:

• Colour scientists and researchers working with spectral, directional or BRDF-based colour data
• CMM and imaging software developers building ICC profile readers/writers
• Device manufacturers (printers, displays, scanners) requiring extended device encoding and spectral profile support
• Prepress, photography and digital publishing professionals needing higher-fidelity colour reproduction and interoperable profiles
• Standards bodies and integrators creating ICC-based interoperability conformance specifications (ICS)

Related standards

• ISO 15076-1 - the base ICC profile architecture and profile format (all definitions remain in force unless superseded)
• ICC interoperability conformance specifications (ICS) - domain-specific workflow requirements referenced by ISO 20677

Keywords: colour management, ICC profiles, image technology, profile format, spectral PCS, BRDF, colour encoding space, CMM, ISO 15076-1, profile header, tag table, multiplex connection space.

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2020
Barvno upravljanje upodobitvenih tehnologij - Razširitve za arhitekturo, format
profila in podatkovno strukturo
Image technology colour management - Extensions to architecture, profile format and
data structure
Gestion des couleurs dans les technologies de l'image - Extensions d'architecture, de
format de profil et de structure de données
Ta slovenski standard je istoveten z: ISO 20677:2019
ICS:
35.240.30 Uporabniške rešitve IT v IT applications in information,
informatiki, dokumentiranju in documentation and
založništvu publishing
37.100.99 Drugi standardi v zvezi z Other standards related to
grafično tehnologijo graphic technology
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

INTERNATIONAL ISO
STANDARD 20677
First edition
2019-02
Image technology colour
management — Extensions to
architecture, profile format and data
structure
Gestion des couleurs dans les technologies de l'image — Extensions
d'architecture, de format de profil et de structure de données
Reference number
©
ISO 2019
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

Contents Page
Foreword .ix
Introduction .x
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 2
4 Extended basic types . 3
4.1 General . 3
4.2 Extended basic type listing . 3
4.2.1 azimuthNumber . 3
4.2.2 float16Number . 3
4.2.3 float64Number . 4
4.2.4 horizontalNumber . 4
4.2.5 Sparse matrix encodings . 4
4.2.6 sparseMatrixEncodingType . 6
4.2.7 spectralRange . 7
4.2.8 tintArray . 7
4.2.9 valueEncodingType . 7
4.2.10 verticalNumber . 8
4.2.11 zenithNumber . 8
5 Conformance . 9
6 Expanded PCSs, rendering intents and device encoding . 9
6.1 General considerations . 9
6.2 Extensions to device colour encoding . 9
6.3 Extensions to PCSs .10
6.3.1 General.10
6.3.2 Profile connection conditions .10
6.3.3 Spectral PCSs .11
6.3.4 BRDF connection .13
6.3.5 Directional viewing connection .13
6.4 Multiplex connection spaces .13
6.4.1 General.13
6.4.2 MCS signature encoding .14
6.5 Colour encoding space profiles .14
7 Profile requirements .15
7.1 General .15
7.2 Profile header .17
7.2.1 General.17
7.2.2 Extended profile header field definitions .17
7.2.3 ColourEncodingSpace class profile header field definitions.18
7.2.4 Profile size field (bytes 0 to 3) .18
7.2.5 Preferred CMM type field (bytes 4 to 7) .18
7.2.6 Profile version and sub-version field (bytes 8 to 11) .18
7.2.7 Profile/device class field (bytes 12 to15) .19
7.2.8 Data colour space field (Bytes 16 to 20) .19
7.2.9 PCS field (Bytes 20 to 23) .20
7.2.10 Date and time field (bytes 24 to 35) .21
7.2.11 Profile file signature field (bytes 36 to 39) .21
7.2.12 Primary platform field (bytes 40 to 43).21
7.2.13 Profile flags field (bytes 44 to 47) .21
7.2.14 Device manufacturer field (bytes 48 to 51) .22
7.2.15 Device model field (bytes 52 to 55) .22
7.2.16 Device attributes field (bytes 56 to 63).22
7.2.17 Rendering intent field (bytes 64 to 67) .23
7.2.18 PCS illuminant field (bytes 68 to 79).23
7.2.19 Profile creator field (bytes 80 to 83) .23
7.2.20 Profile ID field (bytes 84 to 99) .23
7.2.21 Spectral PCS field (bytes 100 to 103) .24
7.2.22 Spectral PCS range field (bytes 104 to 109) .25
7.2.23 Bi-Spectral PCS range field (bytes 110 to 115) .25
7.2.24 MCS field (bytes 116 to 119) .26
7.2.25 Profile/device sub-class (bytes 124 to 127) .26
7.2.26 Reserved field (bytes 124 to 127) .26
7.3 Tag table .26
7.3.1 Overview .26
7.3.2 Tag count (byte position 0 to 3) .27
7.3.3 Tag signature (byte position 4 to 7 and repeating) .27
7.3.4 Offset to beginning of tag data element (byte position 8 to 11 and repeating) .27
7.3.5 Tag data element size (byte position 12 to 15 and repeating) .27
7.4 Tag data .28
8 Required tags .28
8.1 General .28
8.2 Common requirements .28
8.3 Input profiles .28
8.4 Display profiles .29
8.5 Output profiles .29
8.6 DeviceLink profile .30
8.7 ColorEncodingSpace profile .30
8.8 ColorSpace profile .31
8.9 Abstract profile .31
8.10 NamedColor profile .31
8.11 MultiplexIdentification profile .32
8.12 MultiplexLink profile .32
8.13 MultiplexVisualization profile .32
8.14 Precedence order of tag usage .32
8.14.1 General.32
8.14.2 Input, display, output or colour space profile types .32
8.14.3 Abstract profile types .33
8.14.4 DeviceLink profile types .33
8.14.5 MultiplexIdentification profile types.33
8.14.6 MultiplexLink profile types.33
8.14.7 MultiplexVisualization profile types .33
8.14.8 MCS to parameter-based BRDF profile table usage .34
8.14.9 BRDF profile table usage .34
8.14.10 Parameter-based BRDF profile table usage .35
8.14.11 Directional profile table usage .35
9 Tag definitions .36
9.1 General .36
9.2 Specific tag listing .36
9.2.1 AToB0Tag .36
9.2.2 AToB1Tag .37
9.2.3 AToB2Tag .37
9.2.4 AToB3Tag .37
9.2.5 AToM0Tag.37
9.2.6 brdfColorimetricParameter0Tag.38
9.2.7 brdfColorimetricParameter1Tag.38
9.2.8 brdfColorimetricParameter2Tag.38
9.2.9 brdfColorimetricParameter3Tag.39
iv © ISO 2019 – All rights reserved

9.2.10 brdfSpectralParameter0Tag .39
9.2.11 brdfSpectralParameter1Tag .39
9.2.12 brdfSpectralParameter2Tag .40
9.2.13 brdfSpectralParameter3Tag .40
9.2.14 brdfAToB0Tag .40
9.2.15 brdfAToB1Tag .41
9.2.16 brdfAToB2Tag .41
9.2.17 brdfAToB3Tag .41
9.2.18 brdfBToA0Tag .42
9.2.19 brdfBToA1Tag .42
9.2.20 brdfBToA2Tag .43
9.2.21 brdfBToA3Tag .43
9.2.22 brdfBToD0Tag .43
9.2.23 brdfBToD1Tag .44
9.2.24 brdfBToD2Tag .44
9.2.25 brdfBToD3Tag .45
9.2.26 brdfDToB0Tag.45
9.2.27 brdfDToB1Tag.45
9.2.28 brdfDToB2Tag.46
9.2.29 brdfDToB3Tag.46
9.2.30 brdfMToB0Tag.46
9.2.31 brdfMToB1Tag.47
9.2.32 brdfMToB2Tag.47
9.2.33 brdfMToB3Tag.47
9.2.34 brdfMToS0Tag .48
9.2.35 brdfMToS1Tag .48
9.2.36 brdfMToS2Tag .48
9.2.37 brdfMToS3Tag .49
9.2.38 BToA0Tag .49
9.2.39 BToA1Tag .50
9.2.40 BToA2Tag .50
9.2.41 BToA3Tag .50
9.2.42 BToD0Tag .50
9.2.43 BToD1Tag .51
9.2.44 BToD2Tag .51
9.2.45 BToD3Tag .51
9.2.46 calibrationDateTimeTag .52
9.2.47 charTargetTag .52
9.2.48 colorEncodingParamsTag .52
9.2.49 colorSpaceNameTag .52
9.2.50 colorantOrderTag .53
9.2.51 colorantOrderOutTag .53
9.2.52 colorantInfoTag .53
9.2.53 colorantInfoOutTag .53
9.2.54 colorimetricIntentImageStateTag .53
9.2.55 copyrightTag .55
9.2.56 customToStandardPccTag .55
9.2.57 cxfTag .56
9.2.58 deviceMfgDescTag .56
9.2.59 deviceModelDescTag .56
9.2.60 directionalAToB0Tag .56
9.2.61 directionalAToB1Tag .57
9.2.62 directionalfAToB2Tag .57
9.2.63 directionalAToB3Tag .58
9.2.64 directionalBToA0Tag .58
9.2.65 directionalBToA1Tag .59
9.2.66 directionalBToA2Tag .59
9.2.67 directionalBToA3Tag .59
9.2.68 directionalBToD0Tag .60
9.2.69 directionalBToD1Tag .60
9.2.70 directionalBToD2Tag .61
9.2.71 directionalBToD3Tag .61
9.2.72 directionalDToB0Tag .61
9.2.73 directionalDToB1Tag .62
9.2.74 directionalDToB2Tag .62
9.2.75 directionalDToB3Tag .62
9.2.76 DToB0Tag .63
9.2.77 DToB1Tag .63
9.2.78 DToB2Tag .63
9.2.79 DToB3Tag .64
9.2.80 gamutBoundaryDescription0Tag .64
9.2.81 gamutBoundaryDescription1Tag .64
9.2.82 gamutBoundaryDescription2Tag .64
9.2.83 gamutBoundaryDescription3Tag .64
9.2.84 multiplexDefaultValuesTag .64
9.2.85 multiplexTypeArrayTag .65
9.2.86 measurementInfoTag .65
9.2.87 measurementInputInfoTag .65
9.2.88 mediaWhitePointTag .66
9.2.89 metadataTag .66
9.2.90 MToA0Tag .66
9.2.91 MToB0Tag .67
9.2.92 MToB1Tag .67
9.2.93 MToB2Tag .67
9.2.94 MToB3Tag .68
9.2.95 MToS0Tag .68
9.2.96 MToS1Tag .68
9.2.97 MToS2Tag .69
9.2.98 MToS3Tag .69
9.2.99 namedColorTag .69
9.2.100 perceptualRenderingIntentGamutTag .70
9.2.101 profileDescriptionTag .70
9.2.102 profileSequenceInformationTag .70
9.2.103 referenceNameTag .70
9.2.104 saturationRenderingIntentGamutTag .71
9.2.105 spectralViewingConditionsTag .71
9.2.106 spectralWhitePointTag .71
9.2.107 standardToCustomPccTag .71
9.2.108 surfaceMapTag .72
9.2.109 technologyTag .72
10 Tag type definitions .72
10.1 General .72
10.2 Specific tag type listing .72
10.2.1 colorantOrderType .72
10.2.2 curveType .73
10.2.3 dataType .74
10.2.4 dateTimeType .74
10.2.5 dictType .74
10.2.6 embeddedHeightImageType .76
10.2.7 embeddedNormalImageType .77
10.2.8 float16ArrayType .78
10.2.9 float32ArrayType .79
10.2.10 float64ArrayType .79
10.2.11 gamutBoundaryDescriptionType .79
10.2.12 lutAToBType .80
10.2.13 lutBToAType .83
vi © ISO 2019 – All rights reserved

10.2.14 measurementType .86
10.2.15 multiLocalizedUnicodeType .88
10.2.16 multiProcessElementsType .88
10.2.17 parametricCurveType .89
10.2.18 s15Fixed16ArrayType .91
10.2.19 signatureType .91
10.2.20 sparseMatrixArrayType .91
10.2.21 spectralViewingConditionsType .92
10.2.22 tagArrayType .94
10.2.23 tagStructType .95
10.2.24 u16Fixed16ArrayType .95
10.2.25 uInt16ArrayType .
...

INTERNATIONAL ISO
STANDARD 20677
First edition
2019-02
Image technology colour
management — Extensions to
architecture, profile format and data
structure
Gestion des couleurs dans les technologies de l'image — Extensions
d'architecture, de format de profil et de structure de données
Reference number
©
ISO 2019
© ISO 2019
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

Contents Page
Foreword .ix
Introduction .x
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and abbreviated terms . 1
3.1 Terms and definitions . 1
3.2 Abbreviated terms . 2
4 Extended basic types . 3
4.1 General . 3
4.2 Extended basic type listing . 3
4.2.1 azimuthNumber . 3
4.2.2 float16Number . 3
4.2.3 float64Number . 4
4.2.4 horizontalNumber . 4
4.2.5 Sparse matrix encodings . 4
4.2.6 sparseMatrixEncodingType . 6
4.2.7 spectralRange . 7
4.2.8 tintArray . 7
4.2.9 valueEncodingType . 7
4.2.10 verticalNumber . 8
4.2.11 zenithNumber . 8
5 Conformance . 9
6 Expanded PCSs, rendering intents and device encoding . 9
6.1 General considerations . 9
6.2 Extensions to device colour encoding . 9
6.3 Extensions to PCSs .10
6.3.1 General.10
6.3.2 Profile connection conditions .10
6.3.3 Spectral PCSs .11
6.3.4 BRDF connection .13
6.3.5 Directional viewing connection .13
6.4 Multiplex connection spaces .13
6.4.1 General.13
6.4.2 MCS signature encoding .14
6.5 Colour encoding space profiles .14
7 Profile requirements .15
7.1 General .15
7.2 Profile header .17
7.2.1 General.17
7.2.2 Extended profile header field definitions .17
7.2.3 ColourEncodingSpace class profile header field definitions.18
7.2.4 Profile size field (bytes 0 to 3) .18
7.2.5 Preferred CMM type field (bytes 4 to 7) .18
7.2.6 Profile version and sub-version field (bytes 8 to 11) .18
7.2.7 Profile/device class field (bytes 12 to15) .19
7.2.8 Data colour space field (Bytes 16 to 20) .19
7.2.9 PCS field (Bytes 20 to 23) .20
7.2.10 Date and time field (bytes 24 to 35) .21
7.2.11 Profile file signature field (bytes 36 to 39) .21
7.2.12 Primary platform field (bytes 40 to 43).21
7.2.13 Profile flags field (bytes 44 to 47) .21
7.2.14 Device manufacturer field (bytes 48 to 51) .22
7.2.15 Device model field (bytes 52 to 55) .22
7.2.16 Device attributes field (bytes 56 to 63).22
7.2.17 Rendering intent field (bytes 64 to 67) .23
7.2.18 PCS illuminant field (bytes 68 to 79).23
7.2.19 Profile creator field (bytes 80 to 83) .23
7.2.20 Profile ID field (bytes 84 to 99) .23
7.2.21 Spectral PCS field (bytes 100 to 103) .24
7.2.22 Spectral PCS range field (bytes 104 to 109) .25
7.2.23 Bi-Spectral PCS range field (bytes 110 to 115) .25
7.2.24 MCS field (bytes 116 to 119) .26
7.2.25 Profile/device sub-class (bytes 124 to 127) .26
7.2.26 Reserved field (bytes 124 to 127) .26
7.3 Tag table .26
7.3.1 Overview .26
7.3.2 Tag count (byte position 0 to 3) .27
7.3.3 Tag signature (byte position 4 to 7 and repeating) .27
7.3.4 Offset to beginning of tag data element (byte position 8 to 11 and repeating) .27
7.3.5 Tag data element size (byte position 12 to 15 and repeating) .27
7.4 Tag data .28
8 Required tags .28
8.1 General .28
8.2 Common requirements .28
8.3 Input profiles .28
8.4 Display profiles .29
8.5 Output profiles .29
8.6 DeviceLink profile .30
8.7 ColorEncodingSpace profile .30
8.8 ColorSpace profile .31
8.9 Abstract profile .31
8.10 NamedColor profile .31
8.11 MultiplexIdentification profile .32
8.12 MultiplexLink profile .32
8.13 MultiplexVisualization profile .32
8.14 Precedence order of tag usage .32
8.14.1 General.32
8.14.2 Input, display, output or colour space profile types .32
8.14.3 Abstract profile types .33
8.14.4 DeviceLink profile types .33
8.14.5 MultiplexIdentification profile types.33
8.14.6 MultiplexLink profile types.33
8.14.7 MultiplexVisualization profile types .33
8.14.8 MCS to parameter-based BRDF profile table usage .34
8.14.9 BRDF profile table usage .34
8.14.10 Parameter-based BRDF profile table usage .35
8.14.11 Directional profile table usage .35
9 Tag definitions .36
9.1 General .36
9.2 Specific tag listing .36
9.2.1 AToB0Tag .36
9.2.2 AToB1Tag .37
9.2.3 AToB2Tag .37
9.2.4 AToB3Tag .37
9.2.5 AToM0Tag.37
9.2.6 brdfColorimetricParameter0Tag.38
9.2.7 brdfColorimetricParameter1Tag.38
9.2.8 brdfColorimetricParameter2Tag.38
9.2.9 brdfColorimetricParameter3Tag.39
iv © ISO 2019 – All rights reserved

9.2.10 brdfSpectralParameter0Tag .39
9.2.11 brdfSpectralParameter1Tag .39
9.2.12 brdfSpectralParameter2Tag .40
9.2.13 brdfSpectralParameter3Tag .40
9.2.14 brdfAToB0Tag .40
9.2.15 brdfAToB1Tag .41
9.2.16 brdfAToB2Tag .41
9.2.17 brdfAToB3Tag .41
9.2.18 brdfBToA0Tag .42
9.2.19 brdfBToA1Tag .42
9.2.20 brdfBToA2Tag .43
9.2.21 brdfBToA3Tag .43
9.2.22 brdfBToD0Tag .43
9.2.23 brdfBToD1Tag .44
9.2.24 brdfBToD2Tag .44
9.2.25 brdfBToD3Tag .45
9.2.26 brdfDToB0Tag.45
9.2.27 brdfDToB1Tag.45
9.2.28 brdfDToB2Tag.46
9.2.29 brdfDToB3Tag.46
9.2.30 brdfMToB0Tag.46
9.2.31 brdfMToB1Tag.47
9.2.32 brdfMToB2Tag.47
9.2.33 brdfMToB3Tag.47
9.2.34 brdfMToS0Tag .48
9.2.35 brdfMToS1Tag .48
9.2.36 brdfMToS2Tag .48
9.2.37 brdfMToS3Tag .49
9.2.38 BToA0Tag .49
9.2.39 BToA1Tag .50
9.2.40 BToA2Tag .50
9.2.41 BToA3Tag .50
9.2.42 BToD0Tag .50
9.2.43 BToD1Tag .51
9.2.44 BToD2Tag .51
9.2.45 BToD3Tag .51
9.2.46 calibrationDateTimeTag .52
9.2.47 charTargetTag .52
9.2.48 colorEncodingParamsTag .52
9.2.49 colorSpaceNameTag .52
9.2.50 colorantOrderTag .53
9.2.51 colorantOrderOutTag .53
9.2.52 colorantInfoTag .53
9.2.53 colorantInfoOutTag .53
9.2.54 colorimetricIntentImageStateTag .53
9.2.55 copyrightTag .55
9.2.56 customToStandardPccTag .55
9.2.57 cxfTag .56
9.2.58 deviceMfgDescTag .56
9.2.59 deviceModelDescTag .56
9.2.60 directionalAToB0Tag .56
9.2.61 directionalAToB1Tag .57
9.2.62 directionalfAToB2Tag .57
9.2.63 directionalAToB3Tag .58
9.2.64 directionalBToA0Tag .58
9.2.65 directionalBToA1Tag .59
9.2.66 directionalBToA2Tag .59
9.2.67 directionalBToA3Tag .59
9.2.68 directionalBToD0Tag .60
9.2.69 directionalBToD1Tag .60
9.2.70 directionalBToD2Tag .61
9.2.71 directionalBToD3Tag .61
9.2.72 directionalDToB0Tag .61
9.2.73 directionalDToB1Tag .62
9.2.74 directionalDToB2Tag .62
9.2.75 directionalDToB3Tag .62
9.2.76 DToB0Tag .63
9.2.77 DToB1Tag .63
9.2.78 DToB2Tag .63
9.2.79 DToB3Tag .64
9.2.80 gamutBoundaryDescription0Tag .64
9.2.81 gamutBoundaryDescription1Tag .64
9.2.82 gamutBoundaryDescription2Tag .64
9.2.83 gamutBoundaryDescription3Tag .64
9.2.84 multiplexDefaultValuesTag .64
9.2.85 multiplexTypeArrayTag .65
9.2.86 measurementInfoTag .65
9.2.87 measurementInputInfoTag .65
9.2.88 mediaWhitePointTag .66
9.2.89 metadataTag .66
9.2.90 MToA0Tag .66
9.2.91 MToB0Tag .67
9.2.92 MToB1Tag .67
9.2.93 MToB2Tag .67
9.2.94 MToB3Tag .68
9.2.95 MToS0Tag .68
9.2.96 MToS1Tag .68
9.2.97 MToS2Tag .69
9.2.98 MToS3Tag .69
9.2.99 namedColorTag .69
9.2.100 perceptualRenderingIntentGamutTag .70
9.2.101 profileDescriptionTag .70
9.2.102 profileSequenceInformationTag .70
9.2.103 referenceNameTag .70
9.2.104 saturationRenderingIntentGamutTag .71
9.2.105 spectralViewingConditionsTag .71
9.2.106 spectralWhitePointTag .71
9.2.107 standardToCustomPccTag .71
9.2.108 surfaceMapTag .72
9.2.109 technologyTag .72
10 Tag type definitions .72
10.1 General .72
10.2 Specific tag type listing .72
10.2.1 colorantOrderType .72
10.2.2 curveType .73
10.2.3 dataType .74
10.2.4 dateTimeType .74
10.2.5 dictType .74
10.2.6 embeddedHeightImageType .76
10.2.7 embeddedNormalImageType .77
10.2.8 float16ArrayType .78
10.2.9 float32ArrayType .79
10.2.10 float64ArrayType .79
10.2.11 gamutBoundaryDescriptionType .79
10.2.12 lutAToBType .80
10.2.13 lutBToAType .83
vi © ISO 2019 – All rights reserved

10.2.14 measurementType .86
10.2.15 multiLocalizedUnicodeType .88
10.2.16 multiProcessElementsType .88
10.2.17 parametricCurveType .89
10.2.18 s15Fixed16ArrayType .91
10.2.19 signatureType .91
10.2.20 sparseMatrixArrayType .91
10.2.21 spectralViewingConditionsType .92
10.2.22 tagArrayType .94
10.2.23 tagStructType .95
10.2.24 u16Fixed16ArrayType .95
10.2.25 uInt16ArrayType .96
10.2.26 uInt32ArrayType .96
10.2.27 uInt64ArrayType .96
10.2.28 uInt8ArrayType .97
10.2.29 utf16Type .97
10.2.30 utf8Type .97
10.2.31 utf8ZipType .
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