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GA/T 751-2008Specifications for video and image screen display information superposition for public security (English PDF)

视频图像文字标注规范

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Issued by

Ministry of Public Security

Level / Type

National · Recommended

Issue date

December 24, 2024

Implementation date

May 1, 2025

Scope

GA/T 751-2008 is the English-translated version of 视频图像文字标注规范.

GA/T 751-2008 — This document specifies the content and format requirements for the information overlay on the video image screen display in the public security video image information system.

This document is applicable to the overlay of video image screen display information in the public security video image information system, and other systems may refer to it for implementation.

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Document preview — GA/T 751-2008

National Standard of the People's Republic of China

ICS: 13.310
Classification: A 91
Replacing: GA/T 751-2008

Issued by: Ministry of Public Security

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Overlay Content
4.1 Content Classification
4.2 Video image point name information
4.3 Camera management unit name information
4.4 Camera attribute information
4.5 Time Information
5 Overlay Format
5.1 Superposition position
5.2 Text Symbol Requirements
5.3 Video image point name information
5.4 Camera management unit name information
5.5 Camera attribute information
5.6 Time Information
Appendix A (Informative) Naming method of video image points
A.1 Main area of the open-air square
A.2 Main road sections in cities and towns
A.3 Main intersections in cities and towns
A.4 Overpass ramp traffic area
A.5 Underground pedestrian passage area
A.6 Overpass Passing Area
A.7 Entrances and exits of expressways, national roads, and urban roads
A.8 Inter-provincial, inter-city and inter-county road entrances and exits
A.9 Large bridge traffic area
A.10 Tunnel traffic area
A.11 Entrances and exits of urban commercial and financial clusters and surrounding areas
A.12 Areas surrounding key units/places
A.13 Public areas around "three stations, one airport", ports, docks, etc.
A.14 Key public areas along railway lines
A.15 Dangerous public areas near mountains, cliffs, water (rivers, lakes, seas) etc.
A.16 Along the border
A.17 Along expressways and highways

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 replaces GA/T 751-2008 "Specification for Text Annotation of Video Images". Compared with GA/T 751-2008, except for structural adjustments and in addition to editorial changes, the main technical changes are as follows.

--- Changed the scope of the standard (see Chapter 1, Chapter 1 of the 2008 edition);

--- Deleted the terms and definitions of "text", "video conference" and "image" (see Chapter 3, Chapter 3 of the 2008 edition);

--- Changed the name of "marked content" (see Chapter 4, Chapter 5 of the 2008 edition);

--- Added the "Content Classification" section (see 4.1);

--- Changed the name and content of "Location Information", added "Region Name", "Location Name", "Subdivided Location Name", "Camera Field of View" "Internal point of interest" "Camera channel number" content (see 4.2, 5.1.1 of the 2008 edition);

--- Changed the name and content of "Jurisdiction Information" (see 4.3, 5.1.2 of the 2008 edition);

--- Changed the name and content of "Camera Information" (see 4.4, 5.1.4 of the 2008 edition);

--- Changed the content of "Time Information" (see 4.5, 5.1.3 of the 2008 edition);

--- Changed the name of "marking method" (see Chapter 5, Chapter 6 of the 2008 edition);

--- Changed the name and content of "marked area" (see 5.1, 6.1 of the 2008 edition);

--- Changed the name and content of "marked characters" (see 5.2, Chapter 4 of the 2008 edition);

--- Changed the name and content of "Location Information Marking Method" (see 5.3, 6.2.1 of the 2008 edition);

--- Changed the name and content of "Jurisdiction Information Labeling Method" (see 5.4, 6.2.2 of the 2008 edition);

--- Changed the name and content of "Camera information marking method" (see 5.5, 6.2.4 of the 2008 edition);

--- Changed the name and content of "Time information marking method" (see 5.6, 6.2.3 of the 2008 edition);

--- Deleted "Figure 2 Step-by-step labeling method for upload process information" (see 6.2.2 of the 2008 edition).

1 Scope

This document specifies the content and format requirements for the information overlay on the video image screen display in the public security video image information system.

This document is applicable to the overlay of video image screen display information in the public security video image information system, and other systems may refer to it for implementation.

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.

GB 18030 Information Technology Chinese Coded Character Set GA/T 380 Rules for the compilation of national public security agency organization codes

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Overlay content

4.1 Content Classification

The overlay content includes video image point name information, camera management unit name information, camera attribute information and time information.

4.2 Video image point name information

4.2.1 The video image point name information includes the area name, location name, subdivided location name, points of interest in the camera field of view, etc.

The content specifically includes the following.

a) Area name (AAA), such as highway, city road, railway, community, square, border, mountain, river, lake, sea, etc.

name;

b) Location name (BBB), such as the name of the bridge or tunnel, entrance or exit, checkpoint, commercial area, street address, etc.;

c) Subdivision location name (CCC), which is the subdivision location of the location name;

d) Points of interest within the camera's field of view (DDD);

e) The camera channel number (N) of the same subdivision location. If there is only one camera channel, it does not need to be listed.

4.2.2 For the naming of video image points, please refer to Appendix A.

4.3 Camera management unit name information

The name information of the camera management unit includes the name information of the province, city, county, and team, which should comply with the public security agency organization code in GA/T 380.

Should name requested.

4.4 Camera attribute information

Camera attribute information includes the following.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.

Referenced standards

Normative references

GB 18030Information technology - Chinese coded character set

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