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Image fingerprint extracting method and equipment thereof, and information filtering method and system thereof

A technology of image fingerprints and extraction methods, which is applied in wireless communication, instruments, character and pattern recognition, etc., can solve the problems of large regulatory limitations, large quantities, and no coverage of mobile Internet, and achieve the effect of increasing speed

Active Publication Date: 2010-08-04
北京东方通网信科技有限公司
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Problems solved by technology

The corresponding mechanism does not cover the mobile Internet
[0008] All of the above regulatory mechanisms require a lot of manpower and material support, and the limitations of supervision are relatively large, and the effects of supervision and governance are not significant enough

Method used

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  • Image fingerprint extracting method and equipment thereof, and information filtering method and system thereof
  • Image fingerprint extracting method and equipment thereof, and information filtering method and system thereof
  • Image fingerprint extracting method and equipment thereof, and information filtering method and system thereof

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Embodiment Construction

[0060] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0061] In order to solve the problem of Internet pornography on mobile phones that is generally concerned by the current society, the information filtering system provided by the present invention is mainly used for filtering bad information on the Internet. The system is deployed on the network side of the telecom operator, and by means of fingerprint extraction and comparison of the image information in the information, the monitoring and protection of bad information that may be contained in wap, MMS, SMS, Internet and other services is realized.

[0062] figure 1 It is a schematic diagram showing the application scene of the information filtering system of the present invention. Such as figure 1 As shown, the information filtering system 10 provided by the present invention is set between the information service provider 20 and th...

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Abstract

The invention provides an image fingerprint extracting method, an image fingerprint-based information filtering method and an image fingerprint-based information filtering system. The image fingerprint extracting method comprises the following steps: S1: performing interpolation processing on an original image; S2: blocking the image after the interpolation processing, and performing DCT conversion; S3: performing RGB grey scale processing on converted pictures; S4: quantizing an image result after the grey scale processing; S5, performing lossless compression on the image and outputting a binary sequence; and S6, performing serialized recombination on the binary sequence to obtain the image fingerprint. By using the methods and the system, the speed for identifying and processing data service contents can be greatly improved so that the real-time monitoring of full traffic flow of operator services becomes possible.

Description

technical field [0001] The present invention relates to the technical field of image information processing, in particular to an image fingerprint extraction method for extracting features of an image and a device and system for applying the method. Background technique [0002] With the progress of social economy and the improvement of people's living conditions, the penetration rate of mobile phones is getting higher and higher, especially many students, especially middle and primary school students, also often use mobile phones. The problem is becoming more and more serious, gradually becoming the focus of attention of the whole society. According to incomplete statistics, in addition to China Mobile's official mobile Internet portal "Mobile Monternet", there are at least 20,000 independent WAP websites. These independent WAPs are also called free WAPs, mainly because their content is It is completely free, and traffic becomes its most valuable resource, which provides a...

Claims

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Application Information

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IPC IPC(8): G06K9/46H04W24/00
Inventor 黄永军梁应宏
Owner 北京东方通网信科技有限公司
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