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GA/T 833-2016 English PDF

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GA/T 833-2016: Technical specifications for automatic recognition technology of motor vehicle license plate images
Status: Valid

GA/T 833: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GA/T 833-2016English329 Add to Cart 3 days [Need to translate] Technical specifications for automatic recognition technology of motor vehicle license plate images Valid GA/T 833-2016
GA/T 833-2009English239 Add to Cart 3 days [Need to translate] Technology specifications of automatic recognition for motor vehicle license plate image Obsolete GA/T 833-2009

PDF similar to GA/T 833-2016


Standard similar to GA/T 833-2016

GB 5768.2   JT/T 489   GB 5768.1   GA/T 850   GA/T 299   GA/T 832   

Basic data

Standard ID GA/T 833-2016 (GA/T833-2016)
Description (Translated English) Technical specifications for automatic recognition technology of motor vehicle license plate images
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard R80
Word Count Estimation 14,126
Date of Issue 2016-11-23
Date of Implementation 2017-01-01
Older Standard (superseded by this standard) GA/T 833-2009
Regulation (derived from) Notice on Approval of Two General Standards for Intelligent Monitoring and Recording System for Road Vehicles and Technical Specifications for Automatic Identification of Vehicle Plate Numbers
Issuing agency(ies) Ministry of Public Security

GA/T 833-2016: Technical specifications for automatic recognition technology of motor vehicle license plate images


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical specifications for automatic recognition technology of motor vehicle license plate images ICS 93.080.99 R80 People 's Republic of China Public Security Industry Standard Replacing GA/T 833-2009 Technical specification for automatic identification of motor vehicle license plate image 2016-11-14 release 2017-01-01 Implementation Issued by the Ministry of Public Security of the People 's Republic of China Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 Technical requirements 1 5 Test method 4 Appendix A (informative) common vehicle brand logo 5 Appendix B (informative) Information input and output interface format 7 Reference 9

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GA/T 833-2009 "Technical specification for automatic identification of motor vehicle license plate images". Compared with GA/T 833-2009, the main technical changes are as follows. - modified the "scope" (see Chapter 1, Chapter 1 of the.2009 edition); - the term "sign structure" was deleted (see 3.1 of the.2009 edition); - the term "recognition result" was deleted (see 3.2 of the edition for.2009); - the terms "recognition time" have been modified (see 3.1, 3.3 of.2009); - the term "recognition accuracy" has been added (see 3.2); - the term "recognition of the credibility of the results" (see 3.3); - the removal of the "sign structure" requirement (see 4.1 of.2009); --- Added "image requirements" (see 4.1); --- modified the "image format" requirements (see 4.1.1,.2009 version of 4.5); --- modified the "plate image size" requirements (see 4.1.1.4,.2009 version 4.4); --- Added "software requirements" (see 4.2); --- modified the "identification time" requirement (see 4.2.2.1,.2009 version 4.8); - modified the "sign" character (see 4.2.2.3, 4.2 of.2009); --- modified the "plate color" requirements (see 4.2.2.4,.2009 version 4.3); --- modified the "plate recognition accuracy rate" requirements (see 4.2.2.5,.2009 version of the 4.7); --- Added "extended identification" requirements (see 4.2.3); - the removal of the "identification result" requirement (see 4.6 of.2009); - the deletion of the "result optimization" requirement (see 4.9 of.2009); - increased the requirements of the "test method" (see Chapter 5); - Removed the "interface function" requirement (see Chapter 5 of the.2009 edition); --- Added the requirements of Appendix A (see Appendix A); --- modified the "information input and output interface format" requirements (see Appendix B,.2009 edition of Chapter 6). This standard is proposed by the Traffic Management Science Research Institute of the Ministry of Public Security. This standard by the Ministry of Public Security Road Traffic Management Standardization Technical Committee. The drafting unit. the Ministry of Public Security Traffic Management Science Institute, the State Road Traffic Safety Product Quality Supervision and Inspection Center. The main drafters of this standard. Jiang Liangwei, Zhang Keng, Sun Wei, Fang Aifen, Fang Lizhuang, Hua Jiafeng, Lu Xiaoming, Lu Wenjie. This standard replaced the previous version of the standard release. --- GA/T 833-2009. Technical specification for automatic identification of motor vehicle license plate image

1 Scope

This standard specifies the technical requirements and test methods for the automatic identification software of motor vehicle license plate image. This standard is applicable to the design, development and testing of automatic identification software for motor vehicle license plate image.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. License plate of the People 's Republic of China GA 802 Terms and definitions of motor vehicles

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Recognition time The automatic identification software reads the motor vehicle image to the time required to give the recognition result. 3.2 Recognition accuracy accuracy The feature information identifies the correct number of pictures and the percentage of the total number of active pictures. 3.3 Recognition of the results of reliability reliabilityofrecognitionresult The degree of similarity of the recognition result to the standard is expressed as a percentage.

4 technical requirements

4.1 Image requirements 4.1.1 Image format The vehicle image format for file recognition includes. a) JPG; b) BMP; c) TIF; d) PNG. 4.1.2 Image resolution The image resolution used for recognition should be not less than 1600 x 1200 or 1920 x 1080 pixels.

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