GA/T 2103.2-2023
Graphical Comparison Application of Easy-to-Made Gun Items Part 2: Data Items (English Version)

Standard No.

GA/T 2103.2-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Professional Standard - Public Safety Standards

Latest

GA/T 2103.2-2023

Introduction

Standard Background and Significance

As the second part of the GA/T 2103 series, this standard is formulated to meet the needs of intelligent gun control. Through video image analysis and deep learning technology, a standardized data exchange system is established to solve the problems of low efficiency and high misjudgment rate of traditional manual identification.

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Analysis of core data items

Data category	Key fields	Technical specifications
Edge computing unit information	Device ID, IP address	Comply with GA/T 543 data element standard
Match event information	Timestamp, coordinate data	Millisecond time accuracy
Feature description information	Contour feature value, material coding	Encrypted using SHA-256

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Technology Evolution Features

Compared with the GA/T 1399 video analysis standard, this document adds:

• Model upgrade status information field to support dynamic update of AI models
• Multi-dimensional feature description system (including 26 categories of gun parts features)
• Data interoperability mechanism with the National Engineering Research Center for Dangerous and Explosive Articles Detection

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Implementation Suggestions

1. System Docking: The GA/T 1054 data element qualifier specification must be followed simultaneously
2. Security Protection: The edge computing unit should be encrypted using the national secret algorithm
3. Version Management: Model information must record the complete upgrade trajectory

GA/T 2103.2-2023 Referenced Document

• GA/T 1054 Public security data element qualifiers (1)
• GA/T 543 The basic data element set of police security

GA/T 2103.2-2023 history

• 2023 GA/T 2103.2-2023 Graphical Comparison Application of Easy-to-Made Gun Items Part 2: Data Items

Standard and Specification