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Technical specification of digital image authenticity identification-Image JPEG compression detection
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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 | 4,436 |
| 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.
...
