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GA/T 917-2010 English PDF

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GA/T 917-2010: Technical specification of digital image authenticity indentification--Image resampling detection

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GA/T 917-2010	159	Add to Cart	3 days	Technical specification of digital image authenticity indentification--Image resampling detection

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Basic data

Standard ID: GA/T 917-2010 (GA/T917-2010)
Description (Translated English): Technical specification of digital image authenticity indentification--Image resampling detection
Sector / Industry: Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard: A92
Classification of International Standard: 13.310
Word Count Estimation: 4,421
Date of Issue: 2010-12-02
Date of Implementation: 2010-12-02
Quoted Standard: GA/T 592-2006
Regulation (derived from): Industry Standard Record Announcement No
Issuing agency(ies): Ministry of Public Security
Summary: This standard specifies the basic requirements for the detection of image resampling characteristics in image authenticity authentication techniques. This standard applies to China judicial organs in criminal, civil, judicial activities and state administrative organs in the administrative law enforcement and the handling of incidents and other activities in the image resampling detection.

GA/T 917-2010: Technical specification of digital image authenticity indentification--Image resampling detection

---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 specification of digital image authenticity indentification - Image resampling detection ICS 13.310 A92 People's Republic of China Public Security Industry Standards Image authenticity identification specifications Image resampling detection 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 Image resampling detection

1 Scope

This standard specifies the basic requirements for image identification technology to detect the authenticity of the image resampling characteristics. 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 in the image resampling 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

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Image sampling imagesampling Continuous image signal is converted into digital image coordinate values is called sampling. Each coordinate point is called a sampling point. 3.2 Image resampling imageresampling To know when the value of the original image is not located on the sampling points, the need for interpolation, a process known as image resampling. Image Scaling, rotation and other geometric transformation operation will have a re-sampling process. Resampling main feature is the relationship between the values of adjacent pixels, if There are different areas of the image different resampling process, it may exist between different types of pixel relations. 3.3 Upsampling, downsampling upsampling, downsampling Resampling the sampling density of the sample is divided into upper and lower sampling. the sample is (also called oversampling) sampling density higher than the original coordinates, sampling For the next sampling (also known as the down-sampling, sub-sampling) at a density lower than the original coordinates. On the corresponding image to enlarge sampling, down-sampling the corresponding image reduction.

4 Equipment

4.1 image analysis system and inspection 4.1.1 can open at least BMP, TIFF, JPEG three general format digital images, can open a video file of standard AVI format And convert video to continuous still images. 4.1.2 capable of a resolution of 128dpi × 128dpi image than the standard test set detected resampling characteristics. 4.1.3 can be re-sampled and stored in the form of characteristic performance values or map. 4.1.4 provide resampling feature differences between standard. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GA/T 917-2010_English be delivered?

Answer: Upon your order, we will start to translate GA/T 917-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GA/T 917-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GA/T 917-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.