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GB/T 44020-2024: Information technology - Computer graphics, image processing and environmental data representation - Live actor and entity representation in mixed and augmented reality(MAR)
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Information technology - Computer graphics, image processing and environmental data representation - Live actor and entity representation in mixed and augmented reality(MAR)
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GB/T 44020-2024
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Basic data | Standard ID | GB/T 44020-2024 (GB/T44020-2024) | | Description (Translated English) | Information technology - Computer graphics, image processing and environmental data representation - Live actor and entity representation in mixed and augmented reality(MAR) | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | L81 | | Classification of International Standard | 35.240 | | Word Count Estimation | 46,416 | | Date of Issue | 2024-04-25 | | Date of Implementation | 2024-11-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 44020-2024: Information technology - Computer graphics, image processing and environmental data representation - Live actor and entity representation in mixed and augmented reality(MAR)
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ICS 35:240
CCSL81
National Standards of People's Republic of China
Information Technology Computer Graphics Image Processing and Environment
Data representation of real-time characters in mixed and augmented reality
Representation of portraits and entities
(ISO /IEC 18040:2019, IDT)
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and definitions, abbreviations 1
3:1 Terms and Definitions 1
3:2 Abbreviations 2
4 Concept of LAE representation in MAR 3
4:1 Overview 3
4:2 Components 5
5 LAE Capture and Sensors 8
5:1 Overview 8
5:2 Calculation View 8
5:3 Information View 10
6 LAE Tracker and Spatial Mapper 11
6:1 Overview 11
6:2 Calculation View 12
6:3 Information View 13
6:4 Examples of LAE Tracking and Spatial Mapping in MAR 14
7 LAE Identifier and Event Mapper 15
7:1 Overview 15
7:2 Identifier 15
7:3 Event Mapper 16
7:4 Event Execution 17
7:5 Examples of LAE Identification and Event Mapping in MAR 18
8 LAE scene representation 19
8:1 Overview 19
8:2 Scenario Description 20
9 Renderer21
9:1 Overview 21
9:2 Calculation View 21
9:3 Information View 21
10 Display and User Interface 22
11 Extensions of Virtual Actors and Entities 22
12 System Performance 23
13 Security 24
14 Consistency24
Appendix A (Informative) Use Case Example 27
A:1 3D Virtual Studio 27
A:2 Event Mapping of LAE in MAR Scenario 27
A:3 Interactive control of virtual objects in MAR scenes through LAE actions 30
A:4 Enhancing Objects with Special Effects 33
A:5 3D Virtual Meeting 33
Reference 35
Foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents"
Drafting:
This document is equivalent to ISO /IEC 18040:2019 Information technology - computer graphics, image processing and environmental data representation - hybrid and
Real-time portrait and entity representation in augmented reality:
Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents:
This document was proposed and coordinated by the National Technical Committee for Information Technology Standardization (SAC/TC28):
This document was drafted by: China Electronics Standardization Institute, Jiangnan University, Shenzhen CESI Information Technology Co:, Ltd:, Zhejiang Shangtang Technology
Technology Development Co:, Ltd:, Nanchang Virtual Reality Research Institute Co:, Ltd:, Zhijiang Laboratory, Xiaomi Communication Technology Co:, Ltd:, Chongqing University,
Wuxi Autolink Information Technology Co:, Ltd: and Shenzhen 8K Ultra High Definition Video Industry Alliance:
The main drafters of this document are: Zhao Hongliang, Wang Yinghui, Geng Yidan, Liang Yanxing, Qiu Puye, Zhang Shaojie, Zhu Bocheng, Liang Jiyun, Feng Nanfei,
Jiang Hui, Sun Qimin, Luo Zhiping, Liu Yanlin, Li Yajian, Dou Zifei, Li Guosheng, Li Jingxin, Cao Ce, Cao Lin, Xiang Tao, Xiao Hongfei, Chen Jianhua,
Huang Jianrong, Yeung Kwan-wah, Lok Peng-hui, Chan Chi-kang, Lee Shi-ji, and Yeung Ka-yan:
Introduction
This document defines a representation model for real-time human figures and entities (LAE) in mixed and augmented reality (MAR) worlds:
Scope and key concepts: Related terms, definitions, and a common system architecture together constitute the MAR applications, components, systems, services
This document defines the representation and rendering of LAE in MAR scenes, as well as the
The LAE defines a set of principles, concepts and functions applicable to all current and future MAR standards:
The reference model specifies the necessary functional modules, basic functional requirements, relevant information content, and the information that should be provided and
(or) supported information models: Including (but not limited to) the following:
---Introduction to the fields and concepts of mixed and augmented reality standards;
---Representation model of LAE in MAR scene;
---3D modeling, rendering and simulation of LAE in MAR scenes;
---Attributes of LAE in MAR scene;
---Sensing representation of LAE in MAR scenario;
---Interface representation for controlling LAE in MAR scenario;
---Functions and basic components used to control LAE in MAR scenarios;
---Interaction interface between LAE and MAR scenes;
---Interface with other MAR components;
--- Relationship with other standards;
---Example:
The objectives of this document are as follows:
--- Provide a reference model for MAR applications based on LAE representation;
---Use the attributes of LAE to manage and control it in the MAR environment;
---Integrate LAE into 2D and/or 3D virtual scenes in MAR scenes;
---Realize the interaction between LAE and 2D and/or 3D virtual scenes in MAR scenes;
---Provide the exchange format required to transfer and store data between (LAE-based) MAR applications:
This document has the following document structure:
---Chapter 4 describes the concept of LAE-based systems represented in MAR;
---Chapter 5 explains how sensors can capture LAE in the physical and virtual worlds;
---Chapter 6 describes the mechanism for tracking the position of the LAE and specifies the spatial mapper between physical space and MAR space:
effect;
---Chapter 7 describes the mechanism for identifying LAE behaviors and defines the MAR events of LAE and the MAR content creator specified
The association between conditions or events;
---Chapter 8 describes a LAE-oriented scenario, which consists of virtual scenes, sensor data, spatial scenes, events, targets, etc:;
---Chapter 9 describes how the MAR scene system renders scenes, LAE maps, events, etc:, so that they can be displayed on a given display device:
Rows present output;
--- Chapter 10 describes types of displays, including monitors, head-mounted displays, projectors, tactile devices, and sound output devices:
Equipment, used to display LAE in MAR scene;
---Chapter 11 identifies and describes virtual LAEs, such as virtual 3D models (avatars) and virtual LAEs (such as those in MAR systems):
real human body model);
--- Chapter 12 states any issues related to system performance in the LAE of the MAR;
--- Chapter 13 states any issues related to operational safety in the LAE in the MAR;
--- Chapter 14 states any consistency-related issues with LAE in MAR;
--- Appendix A gives examples of representative LAE representation systems in MAR:
Information Technology Computer Graphics Image Processing and Environment
Data representation of real-time characters in mixed and augmented reality
Representation of portraits and entities
1 Scope
This document defines a reference model and basic constructs for representing and controlling a single LAE or multiple LAEs in a MAR scenario:
The concept, reference model, system framework, functions and how to integrate 2D/3D virtual world and LAEs and the interface between them are defined:
It also defines the transmission and storage of LAEs between MAR applications based on LAE:
The exchange format required to store LAE related data:
This document specifically describes the following features:
a) Definition of LAE in MAR;
b) representation of LAE;
c) Representation of LAE attributes;
d) LAE’s perception of the physical world;
e) Integrate LAE into 2D/3D virtual scenes;
f) Interaction between LAE and objects in 2D/3D virtual scenes;
g) Transmit LAE related information in MAR scenarios:
This document defines a reference model for MAR applications based on LAE representation, which is used for 2D/3D virtual scenes in MAR scenarios:
It does not define the specific physical interface required to operate LAE, that is, it does not
It does not define how a specific application implements a specific LAE in a MAR scenario, but rather defines a way to represent the LAE that can be used in a MAR application:
Programs can interchangeably use LAE's common functional interface:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
ISO /IEC 18039 Information technology - Computer graphics, image processing and environmental data representation - Mixed and augmented reality (MAR) reference
3 Terms, definitions and abbreviations
3:1 Terms and Definitions
For this document, the terms and definitions defined in ISO /IEC 18039 and the following apply:
3:1:1
augmentedobject
Enhanced object:
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