Multimedia Systems and equipment for vehicles - Surround view system - Part 2: Recording methods of the surround view system

IEC 63033-2:2022 is available as IEC 63033-2:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 63033-2:2022 specifies recording methods of the surround view system that is specified in IEC 63033-1 in order to view the video file recorded with "free eye point" technology. IEC 63033-2:2022 cancels and replaces the first edition published in 2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) updates to the text and the title to reflect the change of the scope of the IEC 63033 series.

Systèmes et équipements multimédias pour véhicules - Système de vision panoramique - Partie 2: Méthodes d'enregistrement du système de vision panoramique

IEC 63033-2:2022 est disponible sous forme de IEC 63033-2:2022 RLV qui contient la Norme internationale et sa version Redline, illustrant les modifications du contenu technique depuis l'édition précédente.
L'IEC 63033-2:2022 spécifie les méthodes d'enregistrement du système de vision panoramique défini dans l'IEC 63033-1 afin de permettre le visionnage du fichier vidéo enregistré à l'aide de la technologie "yeux libres". L'IEC 63033-2:2022 annule et remplace la première édition parue en 2018. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) mises à jour du texte et du titre afin de refléter la modification du domaine d'application de la série IEC 63033.

General Information

Status
Published
Publication Date
19-Apr-2022
Current Stage
PPUB - Publication issued
Completion Date
20-Apr-2022
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IEC 63033-2
Edition 2.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Multimedia systems and equipment for vehicles – Surround view system –
Part 2: Recording methods of the surround view system
Systèmes et équipements multimédias pour véhicules – Système de vision
panoramique –
Partie 2: Méthodes d'enregistrement du système de vision panoramique
IEC 63033-2:2022-04(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 63033-2
Edition 2.0 2022-04
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Multimedia systems and equipment for vehicles – Surround view system –
Part 2: Recording methods of the surround view system
Systèmes et équipements multimédias pour véhicules – Système de vision
panoramique –
Partie 2: Méthodes d'enregistrement du système de vision panoramique
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.160.99; 43.040.15 ISBN 978-2-8322-1095-1

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 63033-2:2022 © IEC 2022
CONTENTS

FOREWORD ........................................................................................................................... 3

INTRODUCTION ..................................................................................................................... 5

1 Scope .............................................................................................................................. 6

2 Normative references ...................................................................................................... 6

3 Terms, definitions and abbreviated terms ........................................................................ 6

3.1 Abbreviated terms ................................................................................................... 6

4 System model .................................................................................................................. 6

4.1 General ................................................................................................................... 6

4.2 Video recording....................................................................................................... 7

4.2.1 General ........................................................................................................... 7

4.2.2 Recording 1 ..................................................................................................... 7

4.2.3 Recording 2 ..................................................................................................... 8

5 Viewer ........................................................................................................................... 10

5.1 General ................................................................................................................. 10

5.2 General viewer ...................................................................................................... 10

5.3 Enhanced viewer .................................................................................................. 10

Figure 1 – Display and recording system model of surround view system ................................ 7

Figure 2 – Raw video data example of recording 1 – Images before composition .................... 7

Figure 3 – The composite video data example of recording 2 .................................................. 9

Figure 4 – Viewer example ................................................................................................... 10

Table 1 – Metadata for recording 1 ......................................................................................... 8

Table 2 – Metadata for dependent part of video data 1 ........................................................... 8

Table 3 – Metadata for dependent part of video data 2 ........................................................... 9

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IEC 63033-2:2022 © IEC 2022 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
MULTIMEDIA SYSTEMS AND EQUIPMENT FOR VEHICLES –
SURROUND VIEW SYSTEM –
Part 2: Recording methods of the surround view system
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

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rights. IEC shall not be held responsible for identifying any or all such patent rights.

IEC 63033-2 has been prepared by technical area 17: Multimedia systems and equipment for

vehicles, of IEC technical committee 100: Audio, video and multimedia systems and equipment.

It is an International Standard.

This second edition cancels and replaces the first edition published in 2018. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:

a) updates to the text and the title to reflect the change of the scope of the IEC 63033 series.

---------------------- Page: 5 ----------------------
– 4 – IEC 63033-2:2022 © IEC 2022
The text of this International Standard is based on the following documents:
Draft Report on voting
100/3733/FDIS 100/3752/RVD

Full information on the voting for its approval can be found in the report on voting indicated in

the above table.
The language used for the development of this International Standard is English.

A list of all parts in the IEC 63033 series, published under the general title Multimedia systems

and equipment for vehicles – Surround view system, can be found on the IEC website.

This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in

accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available

at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are

described in greater detail at www.iec.ch/standardsdev/publications.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under webstore.iec.ch in the data related to the

specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct understanding

of its contents. Users should therefore print this document using a colour printer.

---------------------- Page: 6 ----------------------
IEC 63033-2:2022 © IEC 2022 – 5 –
INTRODUCTION

This document specifies recording methods of the surround view system specified in

IEC 63033-1, which also specifies the model for generating the surrounding visual image of the

surround view system. The system allows drivers to monitor the vehicle's perimeter in real time

by using "free eye point" technology, which allows drivers to dynamically change the viewing

perspective, offering the most appropriate views according to the driving situation.

---------------------- Page: 7 ----------------------
– 6 – IEC 63033-2:2022 © IEC 2022
MULTIMEDIA SYSTEMS AND EQUIPMENT FOR VEHICLES –
SURROUND VIEW SYSTEM –
Part 2: Recording methods of the surround view system
1 Scope

This part of IEC 63033 specifies recording methods of the surround view system that is specified

in IEC 63033-1 in order to view the video file recorded with "free eye point" technology.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies.

For undated references, the latest edition of the referenced document (including any

amendments) applies.

IEC 63033-1, Multimedia systems and equipment for vehicles – Surround view system – Part 1:

General
3 Terms, definitions and abbreviated terms
No terms and definitions are listed in this document.

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1 Abbreviated terms
SIM stream information and metadata
GNSS global navigation satellite system
4 System model
4.1 General

This document specifies the recording methods of footage obtained from a vehicle-mounted

camera that is part of the surround view system, and also specifies a model for the replay of

the recorded video. The replay of the recorded video can serve a number of purposes, such as

the verification of the reasons of an accident, as legal proof, for reviewing driving behaviour,

and use at educational sites.

There are two types of recorded videos: recording of each camera image (referred to as

"recording 1"), and recording of the composite image (referred to as "recording 2"). For use

when the recorded videos are played back, the related metadata (refer to 4.2.2.3 and 4.2.3.3)

is simultaneously saved in recording 1 and recording 2. These recorded files are transferred by

a portable recording medium or via a network, where they can be later played back by the user.

The user can also recreate the composite image by using the stored metadata by using the free

eye point function in the viewer (refer to Clause 5).
---------------------- Page: 8 ----------------------
IEC 63033-2:2022 © IEC 2022 – 7 –
Figure 1 – Display and recording system model of surround view system
4.2 Video recording
4.2.1 General

There are two types of recording files provided by the driver monitor system and as shown

Figure 1: recording 1 and recording 2.
4.2.2 Recording 1
4.2.2.1 General

Recording 1 consists of both the raw video data (before the composite image is created) as

obtained by each camera, and the related metadata (refer to 4.2.2.3). Using both the video data

and the metadata enables the user to create a new composite image. The user can change the

viewpoint freely while viewing the composite image. In addition, they can also see a vehicle's

surroundings instantly in a single composite image.
4.2.2.2 Video data

The raw video data obtained from the vehicle-mounted cameras is recorded. The raw video

data example is described in Figure 2.

Since the recording is pre-composition, there is no distortion, and the image cut-off is as directly

input from each vehicle-mounted camera. This method allows for the full image to be transferred,

thus keeping most of the original image information.
Figure 2 – Raw video data example of recording 1 – Images before composition
4.2.2.3 Metadata for recording 1

The metadata listed in Table 1 and Table 2 shall be saved together with the video data. Some

metadata will be included in the SIM source packet.
---------------------- Page: 9 ----------------------
– 8 – IEC 63033-2:2022 © IEC 2022
Table 1 – Metadata for recording 1
Metadata Explanation Mandatory
It is necessary to identify the exact time when a certain event
occurred. The time information is generally extracted from
Timestamp GNSS. If GNSS is not included in the system, the time ✔
information can be extracted from another system equivalent
to GNSS.
It is necessary to identify details about the location and the
GNSS ✔
exact time when a certain event occurred.
It is necessary to specify which vehicle the recorded file came
ID data ✔
from.
It is necessary to identify details about orientation when a
Orientation ✔
certain event occurred.
Table 2 – Metadata for dependent part of video data 1
Metadata Explanation Mandatory
The optical axis shift adjusts the central coordinates and the
captured image's width and height.
Optical axis shift data ✔
For details, see IEC 63033-1.
Distortion data of the lens used for each camera.
Lens distortion data ✔
For details, see IEC 63033-1.
Camera position information consisting of mounted camera
position (X, Y, Z) at the optics' centre (mm) and camera angle
Camera position and direction
(tilt angle ψ, rot angle φ, pan angle θ) at optical axis
data
direction (°).
For details, see IEC 63033-1.
The same viewpoint position data as registered to make the
Viewpoint position and Preferable to
existing composite image. It contains the virtual viewpoint
direction data be saved
position (X, Y, Z), angle, and virtual 3D projection surface.
The same 3D vehicle model data and size as registered to
make the existing composite image. It contains 3D model
3D vehicle model data and Preferable to
data, transparency, and the vehicle dimensions of the drawing
size be saved
representing the model of the vehicle (left, front, right, bottom,
tail, top) expressed in mm.
4.2.3 Recording 2
4.2.3.1 General

Recording 2 records both the composite image video data and the related metadata (refer to

4.2.3.3) at the same time. The composite image video data example is described in Figure 3.

Users cannot change the viewpoint while viewing the composite image. However, the user can

instantly view the vehicle's surroundings through a specific pre-set composite image regardless

of the viewer used (see Clause 5 for details).
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IEC 63033-2:2022 © IEC 2022 – 9 –
Figure 3 – The composite video data example of recording 2
4.2.3.2 Video data
The composite video data obtained from vehicle-mounted cameras is recorded.

Compared to the case of recording the raw video data captured by all the cameras, it can reduce

the data size and memory required since only the composite result is recorded. On the other

hand, the image information from each camera that has not been used in the composite image

will
...

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