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BS EN 61966-12-1:2011

BS EN 61966-12-1:2011

$167.15

Multimedia systems and equipment. Colour measurement and management – Metadata for identification of colour gamut (Gamut ID)

Published By Publication Date Number of Pages
BSI 2011 42
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This part of IEC 61966 defines the colour gamut metadata scheme for video systems and similar applications.

The metadata can be associated with wide gamut video colour content or to a piece of equipment to display the content.

When associated with content, the colour gamut metadata defines the gamut for which the content was created. It can be used by the display for controlled colour reproduction even if the display’s colour gamut is different from that of the content.

When associated with a display, the colour gamut metadata defines the display colour gamut. It can be used during content creation to enable improved colour reproduction.

The colour gamut metadata may cover associated colour encoding information, which includes all information required for a controlled colour reproduction, when such information is not provided by the colour encoding specification.

The colour gamut metadata scheme provides scalable solutions. For example, more flexible solutions will be used for the professional use, while much simpler solutions will be used for consumer use with easier product implementation.

This part of IEC 61966 only defines the colour gamut metadata scheme. Vendor-specific solutions for creation and end-use of this metadata are allowed.

PDF Catalog

PDF Pages PDF Title
6 CONTENTS
8 INTRODUCTION
9 1 Scope
2 Normative references
10 3 Terms and definitions
4 Abbreviations
5 Overview
Tables

Table 1 – Format of Gamut ID metadata
11 6 Header of Gamut ID metadata
Table 2 – Header of Gamut ID metadata
12 7 Description of gamut geometry (full profile)
7.1 General
Table 3 – Bit depth for encoding of a colour space coordinate
13 7.2 Gamut geometry
Figures

Figure 1 – Logical structure of the description of gamut geometry (full profile)
14 7.3 Header of description of gamut geometry
Table 4 – Description of gamut geometry
15 Table 5 – Header of description of gamut geometry
16 7.4 Gamut instances
Table 6 – Gamut instances
17 Table 7 – ith Gamut instance
18 7.5 Gamut hulls
Table 8 – Gamut hulls
Table 9 – hth gamut hull
19 7.6 Gamut component
Table 10 – Definition of gamut components
Table 11 – cth gamut component
20 7.7 Faces
Table 12 – Example for packing of gamut components
Table 13 – Definition of faces
21 7.8 Vertices
Table 14 – Example for packing of faces
22 Table 15 – Vertices
Table 16 – Packing of 10-bit colour space coordinates
23 8 Description of gamut geometry (medium and simple profiles)
8.1 General
8.2 Medium profile
8.3 Simple profile
Table 17 – Packing of 12-bit colour space coordinates
24 9 Description of colour reproduction
Table 18 – Description of gamut geometry (simple profile)
Table 19 – Header of description of gamut geometry (simple profile)
Table 20 – Definition of vertices (simple profile)
27 Annex A (informative)
Size of Gamut ID metadata
28 Annex B (informative)
Motivation and requirements
29 Figure B.1 – Scope of Gamut ID – Generation and use of metadata are not specified
30 Figure B.2 – Example of a description of gamut geometry in CIEXYZ colour space consisting of a set of triangular faces
31 Table B.1 – Requirements and Gamut ID features
32 Figure B.3 – Example of a gamut with identified ridge due to colorant channels
33 Figure B.4 – Example of a non-convex gamut with two convex gamut hulls
34 Annex C (informative)
Use of profiles
Table C.1 – Profiles for the description of gamut geometry
36 Annex D (informative)
Example of Gamut ID metadata in simple profile
Table D.1 – Colour gamut for digital cinema
Table D.2 – Example for the header
37 Table D.3 – Example for the header of description of gamut geometry
Table D.4 – Example of definition of vertices
40 Bibliography

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BS EN 61966-12-1:2011
$167.15