ISO/IEC 18038:2020
(Main)Information technology — Computer graphics, image processing and environmental representation — Sensor representation in mixed and augmented reality
Information technology — Computer graphics, image processing and environmental representation — Sensor representation in mixed and augmented reality
This document defines the framework and information reference model for representing sensor-based 3D mixed-reality worlds. It defines concepts, an information model, architecture, system functions, and how to integrate 3D virtual worlds and physical sensors in order to provide mixed-reality applications with physical sensor interfaces. It defines an exchange format necessary for transferring and storing data between physical sensor-based mixed-reality applications. This document specifies the following functionalities: a) representation of physical sensors in a 3D scene; b) definition of physical sensors in a 3D scene; c) representation of functionalities of each physical sensor in a 3D scene; d) representation of physical properties of each physical sensor in a 3D scene; e) management of physical sensors in a 3D scene; f) interface with physical sensor information in a 3D scene. This document defines a reference model for physical sensor-based mixed-reality applications to represent and to exchange functions of physical sensors in 3D scenes. It does not define specific physical interfaces necessary for manipulating physical devices, but rather defines common functional interfaces that can be used interchangeably between applications. This document does not define how specific applications are implemented with specific physical sensor devices. It does not include computer generated sensor information using computer input/output devices such as a mouse or a keyboard. The sensors in this document represent physical sensor devices in the real world.
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INTERNATIONAL ISO/IEC
STANDARD 18038
First edition
2020-04
Information technology — Computer
graphics, image processing and
environmental representation —
Sensor representation in mixed and
augmented reality
Reference number
©
ISO/IEC 2020
© ISO/IEC 2020
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: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2020 – All rights reserved
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Concepts . 4
4.1 Overview . 4
4.2 Scope of physical sensor representation . 5
4.3 Physical sensor types . 6
4.3.1 General. 6
4.3.2 Camera sensor . 7
4.3.3 Chemical sensor . . 7
4.3.4 Electric sensor. 8
4.3.5 Environment sensor. 8
4.3.6 Flow sensor . 8
4.3.7 Force sensor . 9
4.3.8 Light sensor . 9
4.3.9 Movement sensor .10
4.3.10 Navigation sensor .10
4.3.11 Particle sensor .11
4.3.12 Position sensor .11
4.3.13 Pressure sensor.12
4.3.14 Proximity sensor .12
4.3.15 Sound sensor .13
4.3.16 Temperature sensor .13
4.3.17 Other sensors .14
4.4 Sensor representation .14
4.4.1 Overview .14
4.4.2 Precise location and orientation of a physical sensor .16
4.4.3 Sensor properties and interface .19
4.4.4 Sensor representation data model .19
5 Sensor 3D scene graph .19
5.1 Definition of a sensor 3D scene graph .19
5.2 Physical properties and interfaces with real worlds .21
5.2.1 General.21
5.2.2 Physical properties of a physical sensor .21
5.2.3 Physical interfaces with real worlds of a physical sensor .22
5.2.4 A data structure for the physical properties and interfaces for a physical
sensor .23
6 System architecture for physical sensor representation .25
6.1 System architecture for physical sensors .25
6.2 System framework .26
6.2.1 General.26
6.2.2 3D MAR world representation .27
6.2.3 GNSS synchronized 3D virtual worlds .27
6.2.4 Sensor devices and their properties .28
6.2.5 Interfaces with 3D sensor objects .28
6.2.6 Interfaces with physical sensor devices .28
7 XML definition of physical sensor representation .28
7.1 Structure of mixed and augmented reality scene .28
7.1.1 MARScene .28
7.1.2 MARObject .28
© ISO/IEC 2020 – All rights reserved iii
7.1.3 3D object .28
7.1.4 Shape .28
7.1.5 Physical sensor .28
7.1.6 Sensor type .28
7.1.7 Physical properties .29
7.1.8 Physical interface.29
7.2 XML schema definition.29
7.2.1 MARSceneType .29
7.2.2 GeoPositionType .30
7.2.3 LatitudeType and LongitudeType .30
7.2.4 GeoBoundingBoxType . .31
7.2.5 LengthType .32
7.2.6 OrientationType .33
7.2.7 MARObjectType .35
7.2.8 ThreeDObjectType .35
7.2.9 ShapeType .36
7.2.10 AbstractSensorType .37
7.2.11 PhysicalPropertiesType .40
7.2.12 UUIDType, EventType and ControlType .40
7.2.13 PhysicalInterfaceType .41
7.2.14 IPAddressType and PortType .43
8 Conformance .44
8.1 Conformance criteria .44
8.2 Conformance area .45
Annex A
...
INTERNATIONAL ISO/IEC
STANDARD 18038
First edition
2020-04
Information technology — Computer
graphics, image processing and
environmental representation —
Sensor representation in mixed and
augmented reality
Reference number
©
ISO/IEC 2020
© ISO/IEC 2020
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: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2020 – All rights reserved
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Concepts . 4
4.1 Overview . 4
4.2 Scope of physical sensor representation . 5
4.3 Physical sensor types . 6
4.3.1 General. 6
4.3.2 Camera sensor . 7
4.3.3 Chemical sensor . . 7
4.3.4 Electric sensor. 8
4.3.5 Environment sensor. 8
4.3.6 Flow sensor . 8
4.3.7 Force sensor . 9
4.3.8 Light sensor . 9
4.3.9 Movement sensor .10
4.3.10 Navigation sensor .10
4.3.11 Particle sensor .11
4.3.12 Position sensor .11
4.3.13 Pressure sensor.12
4.3.14 Proximity sensor .12
4.3.15 Sound sensor .13
4.3.16 Temperature sensor .13
4.3.17 Other sensors .14
4.4 Sensor representation .14
4.4.1 Overview .14
4.4.2 Precise location and orientation of a physical sensor .16
4.4.3 Sensor properties and interface .19
4.4.4 Sensor representation data model .19
5 Sensor 3D scene graph .19
5.1 Definition of a sensor 3D scene graph .19
5.2 Physical properties and interfaces with real worlds .21
5.2.1 General.21
5.2.2 Physical properties of a physical sensor .21
5.2.3 Physical interfaces with real worlds of a physical sensor .22
5.2.4 A data structure for the physical properties and interfaces for a physical
sensor .23
6 System architecture for physical sensor representation .25
6.1 System architecture for physical sensors .25
6.2 System framework .26
6.2.1 General.26
6.2.2 3D MAR world representation .27
6.2.3 GNSS synchronized 3D virtual worlds .27
6.2.4 Sensor devices and their properties .28
6.2.5 Interfaces with 3D sensor objects .28
6.2.6 Interfaces with physical sensor devices .28
7 XML definition of physical sensor representation .28
7.1 Structure of mixed and augmented reality scene .28
7.1.1 MARScene .28
7.1.2 MARObject .28
© ISO/IEC 2020 – All rights reserved iii
7.1.3 3D object .28
7.1.4 Shape .28
7.1.5 Physical sensor .28
7.1.6 Sensor type .28
7.1.7 Physical properties .29
7.1.8 Physical interface.29
7.2 XML schema definition.29
7.2.1 MARSceneType .29
7.2.2 GeoPositionType .30
7.2.3 LatitudeType and LongitudeType .30
7.2.4 GeoBoundingBoxType . .31
7.2.5 LengthType .32
7.2.6 OrientationType .33
7.2.7 MARObjectType .35
7.2.8 ThreeDObjectType .35
7.2.9 ShapeType .36
7.2.10 AbstractSensorType .37
7.2.11 PhysicalPropertiesType .40
7.2.12 UUIDType, EventType and ControlType .40
7.2.13 PhysicalInterfaceType .41
7.2.14 IPAddressType and PortType .43
8 Conformance .44
8.1 Conformance criteria .44
8.2 Conformance area .45
Annex A
...
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