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GA/T 916-2010 English PDF

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GA/T 916-2010: Technical specification of digital image authenticity identification-Image authenticity judge
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PDF similar to GA/T 916-2010


Standard similar to GA/T 916-2010

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Basic data

Standard ID GA/T 916-2010 (GA/T916-2010)
Description (Translated English) Technical specification of digital image authenticity identification-Image authenticity judge
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard A92
Classification of International Standard 13.310
Word Count Estimation 4,463
Date of Issue 2010-12-02
Date of Implementation 2010-12-02
Quoted Standard GA/T 917-2010; GA/T 918-2010; GA/T 919-2010
Regulation (derived from) Industry Standard Record Announcement No
Issuing agency(ies) Ministry of Public Security
Summary This standard specifies the basic requirements for image authenticity evaluation in image authenticity authentication technology. This standard applies to the judiciary in China criminal, civil, judicial activities and state administrative organs in the administrative law enforcement and the handling of incidents and other activities in the image authenticity evaluation.

GA/T 916-2010: Technical specification of digital image authenticity identification-Image authenticity judge


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Technical specification of digital image authenticity identification-Image authenticity judge ICS 13.310 A92 People's Republic of China Public Security Industry Standards Image authenticity identification specifications Images authentic assessment 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 Images authentic assessment

1 Scope

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

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 917-2010 Technical specifications Authenticity image image resampling detection GA/T 918-2010 Technical specifications Authenticity image image CFA Interpolation Detection GA/T 919-2010 Technical specifications Authenticity image compression JPEG image detection

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Image authenticity imageauthenticity When the image content is an imaging forming an image forming apparatus is under the constraints of an objective reflection of the scene. Note. The above refers to the image, including digital images and photos. Rule 4 Stars 4.1 Authenticity image An image is real, it is relatively stable with the following characteristics. resampling feature within the image is the same; if a color image is by Through the CFA interpolation, the CFA interpolation characteristic is the same; if the JPEG standard image compression, image compression of JPEG special Is the same; the presence of a scene if the image reflected by a single light source, each part of the image characteristics were uniform illumination direction; off perspective view in an image System is consistent. Note. The image authenticity includes a variety of features described in 4.1, it means that if you use any method to detect the presence of a feature in which a problem, it means The image is not true, no matter whether other features detect problems. 4.2 Evaluation 4.2.1 Characteristics of the evaluation based on resampling If the image resampling detection in accordance with the provisions of GA/T 917-2010, and discover different areas of the same image have special resampling Difference, can determine this image is untrue.

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