ETSI GS ARF 004-2 V1.1.1 (2021-08)

Augmented Reality Framework (ARF) Interoperability Requirements for AR components, systems and services Part 2: World Storage and AR Authoring functions

DGS/ARF-004-2

General Information

• Status: Not Published
• Technical Committee: ARF - Augmented Reality Framework
• Current Stage: 12 - Completion
• Due Date: 02-Aug-2021
• Completion Date: 02-Aug-2021

Standards Content (Sample)

GROUP SPECIFICATION
Augmented Reality Framework (ARF)
Interoperability Requirements for AR components,
systems and services
Part 2: World Storage and AR Authoring functions
Disclaimer
The present document has been produced and approved by the Augmented Reality Framework (ARF) ETSI Industry
Specification Group (ISG) and represents the views of those members who participated in this ISG.
It does not necessarily represent the views of the entire ETSI membership.

2 ETSI GS ARF 004-2 V1.1.1 (2021-08)
Reference
DGS/ARF-004-2
Keywords
API, AR Cloud, architecture, augmented reality,
context capturing and analysis, framework,
interoperability, model, real time,
real world capture, requirements
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3 ETSI GS ARF 004-2 V1.1.1 (2021-08)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 5
3 Definition of terms, symbols and abbreviations . 5
3.1 Terms . 5
3.2 Symbols . 6
3.3 Abbreviations . 6
4 Interoperability requirements for AR16 and AR17 . 6
4.1 AR16 and AR17 Reference Points scope . 6
4.2 AR Assets . 6
4.3 Attaching AR Assets to specific real world places or things . 7
4.4 Trackables . 7
4.4.1 Overview . 7
4.4.2 Examples of Trackables . 7
4.4.3 GeoTrackables . 8
4.5 Features . 8
4.6 World Anchors . 8
4.7 Building the World Graph with AR Assets, Trackables and World Anchors . 9
4.8 Using 3D Transforms . 9
4.9 Building a representation of the world solely with Trackables (informative) . 9
4.10 Building a World Graph with both Trackables and World Anchors (informative) . 10
4.11 Anchoring several World Graphs in the same geodetic referential (informative) . 11
4.12 AR Authoring function requirements . 12
4.13 World Storage function requirements. 12
Annex A (informative): Example implementations . 13
A.1 Example Implementation 1 . 13
A.2 Example implementation 2 . 15
History . 19

ETSI
4 ETSI GS ARF 004-2 V1.1.1 (2021-08)
Intellectual Property Rights
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ETSI in respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the
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referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become,
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Foreword
This Group Specification (GS) has been produced by ETSI Industry Specification Group (ISG) Augmented Reality
Framework (ARF).
The present document is part 2 of a multi-part deliverable covering Interoperability Requirements for AR components,
systems and services, as identified below:
Part 1: "Overview";
Part 2: "World storage and AR Authoring functions";
Part 3: "World Capture, World Analysis and Scene Management".
The ISG ARF shares the following understanding for Augmented Reality: Augmented Reality (AR) is the ability to mix
in real-time spatially-registered digital content with the real world.
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.

ETSI
5 ETSI GS ARF 004-2 V1.1.1 (2021-08)
1 Scope
The present document specifies the high level Reference Point requirements between the World Storage and AR
Authoring functions as they are identified in ETSI GS ARF 003 [1]. It further defines the requirements of Reference
Points "World Anchors" (AR16) and "Reference Objects" (AR17).
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
https://docbox.etsi.org/Reference/.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI GS ARF 003 (V1.1.1): "Augmented Reality Framework (ARF) AR framework architecture".
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
Not applicable.
3 Definition of terms, symbols and abbreviations
3.1 Terms
For the purposes of the present document, the following terms apply:
AR Asset: any kind of content positioned and oriented in the real world to alter the user's experience
feature: c
...