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Technical specification for forensic blurred image processing--Degraded image restoration
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Basic data
| Standard ID | GA/T 896-2010 (GA/T896-2010) |
| Description (Translated English) | Technical specification for forensic blurred image processing--Degraded image restoration |
| Sector / Industry | Public Security (Police) Industry Standard (Recommended) |
| Classification of Chinese Standard | A92 |
| Classification of International Standard | 13.310 |
| Word Count Estimation | 5,582 |
| Date of Issue | 2010-09-13 |
| Date of Implementation | 2010-10-01 |
| Quoted Standard | GA/T 592-2006; GA/T 897-2010 |
| Regulation (derived from) | Industry Standard Record Announcement No |
| Issuing agency(ies) | Ministry of Public Security |
| Summary | This standard specifies the basic requirements for degraded image restoration in fuzzy image processing techniques. This standard applies to the judicial organs in China for criminal, civil cases and the handling of incidents and other activities in the restoration of degraded images. |
GA/T 896-2010: Technical specification for forensic blurred image processing--Degraded image restoration
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Technical specification for forensic blurred image processing - Degraded image restoration
ICS 13.310
A92
People's Republic of China Public Security Industry Standards
Forensic Science blurred image processing technology specification
Degraded Image Restoration
Issued on. 2010-09-13
2010-10-01 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 focal points.
This standard was drafted. Evidence Identification Center of Public Security, China Criminal Police College.
The main drafters of this standard. Li Zhihui, Xu Xiaojing Li Zhigang, Yanghong Chen.
Forensic Science blurred image processing technology specification
Degraded Image Restoration
1 Scope
This standard specifies the blurred image processing technique could restore the basic requirements.
This standard applies to the judiciary of degraded images in handling criminal, civil and other activities dealing with accidents in the event
jobs.
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
GA/T 897-2010 Forensic Science blurred image processing techniques to image noise specifications
3 Terms and Definitions
GA/T 897-2010 defined by the following terms and definitions apply to this document.
3.1
Image degradation imagedegradation
Image formation, transmission and recording process, due to the imaging system, imperfect transmission media and devices, causing degradation of image quality, which
A process known as image degradation.
NOTE. The main cause of image degradation are. the optical system aberrations, diffraction, geometric distortion and nonlinear exposure during recording, defocus, undersampling, relative
Sports.
3.2
Image Restoration imagerestoration
Based on the research on image degradation in the degraded image as the basis, based on some prior knowledge to design a operator to estimate the processing
I want to process an image state.
3.3
Degraded image degradedimage
Through the process of image degradation resulting image.
3.4
Gaussian model gaussianmodel
The model describes a two-dimensional Gaussian function.
3.5
The average model averagemodel
The average of the input data model.
...