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GA/T 919-2010 English PDF

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GA/T 919-2010: Technical specification of digital image authenticity identification-Image JPEG compression detection
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GA/T 919-2010English159 Add to Cart 3 days [Need to translate] Technical specification of digital image authenticity identification-Image JPEG compression detection GA/T 919-2010

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Basic data

Standard ID GA/T 919-2010 (GA/T919-2010)
Description (Translated English) Technical specification of digital image authenticity identification-Image JPEG compression detection
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard A92
Classification of International Standard 13.310
Word Count Estimation 4,420
Date of Issue 2010-12-02
Date of Implementation 2010-12-02
Quoted Standard GA/T 592-2006; ISO/IEC 10918
Regulation (derived from) Industry Standard Record Announcement No
Issuing agency(ies) Ministry of Public Security
Summary This standard specifies the basic requirements for image JPEG compression detection in image authenticity authentication technology. This standard applies to the judiciary in criminal, civil, judicial activities and national administrative organs in the administrative law enforcement and the handling of incidents and other activities in the JPEG compression image detection.

GA/T 919-2010: Technical specification of digital image authenticity identification-Image JPEG compression detection


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Technical specification of digital image authenticity identification-Image JPEG compression detection ICS 13.310 A92 People's Republic of China Public Security Industry Standards Image authenticity identification specifications JPEG image compression detector Issued on. 2010-12-02 2010-12-02 implementation People's Republic of China Ministry of Public Security

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard by the National Standardization Technical Committee of Criminal technical inspection camera Technical Committee (SAC/TC179/SC5) and proposed Centralized. This standard was drafted. Ministry of Public Security Evidence Identification Center, Institute of Automation. The main drafters of this standard. Xu Xiaojing, Li Zhihui, Li Zhigang, PENG Si. Image authenticity identification specifications JPEG image compression detector

1 Scope

This standard specifies the basic requirements for the authenticity of the image identification technology image JPEG compression detection. This standard applies to our judiciary in criminal, civil, and judicial activities in the state administration and administrative enforcement event dealing with accidents And other activities of the images in the JPEG compression testing.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GA/T 592-2006 Rules of Criminal digital imaging technology ISO /IEC 10918 Digitalcompressionandcodingofcontinuous-tonestilimages multi-gradation still image Digital image compression coding (JPEG standard)

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Image compression imagecompression Reduction represents the amount of data required for image method or process. 3.2 JPEG image JPEGimage Compressed images in accordance with ISO /IEC 10918's. 3.3 Secondary JPEG compression doubleJPEGcompression The image data twice JPEG compression.

4 Equipment

4.1 image analysis system and inspection 4.1.1 can open at least BMP, TIFF, JPEG format, three general digital image to open uncompressed AVI format video files Member and convert video to continuous still images. 4.1.2 capable of a resolution of 128dpi × 128dpi image than the standard test to detect secondary JPEG compression set characteristics. 4.1.3 Secondary JPEG compression characteristics can be stored in the form of performance and value or map. 4.1.4 provide secondary JPEG compression characteristic determination threshold value. 4.1.5 The procedure can detect the operation and the corresponding parameters recorded and reproducing procedure.

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