CN102567657A - Digital work ownership authentication system and digital work ownership authentication method - Google Patents
Digital work ownership authentication system and digital work ownership authentication method Download PDFInfo
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- CN102567657A CN102567657A CN2010105905825A CN201010590582A CN102567657A CN 102567657 A CN102567657 A CN 102567657A CN 2010105905825 A CN2010105905825 A CN 2010105905825A CN 201010590582 A CN201010590582 A CN 201010590582A CN 102567657 A CN102567657 A CN 102567657A
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Abstract
The invention discloses a digital work ownership authentication system and a digital work ownership authentication method. The digital work ownership authentication system comprises a media fingerprint extractor and an ownership certificate generator, the media fingerprint extractor is used for extracting media fingerprints from an assigned digital work, and the ownership certificate generator is used for packing the media fingerprints and the ownership information of the digital work according to the set format and signing electronically to generate an ownership certificate of the digital work. When in copyright registration of the digital work, the media fingerprints capable of identifying the digital work uniquely can be extracted from the digital work, then the media fingerprints and the ownership information of the digital work can be packed to form the ownership certificate of the digital work to provide reference for ownership authentication, and accordingly the obtained ownership authentication result is accurate.
Description
Technical field
The embodiment of the invention relates to the copyright authentication techniques, relates in particular to a kind of copyright ownership Verification System and method, belongs to copyright management and protection field.
Background technology
Network technology and Development of Multimedia Technology have promoted the creation and the circulation of copyright, and the while has also proposed challenge to the copyright protection and the supervision of copyright.Internet is last all to have a large amount of copyrights propagating at any time; Like digital photo, CRBT multimedia message, network game animation, (blog) online literature, video, three-dimensional animation etc., and to have emerged in large numbers a large amount of be government, business transaction website and the copyright sharing website of commodity with the copyright.But because there is transreplication in copyright, is prone to characteristics such as modifications, copyright spread and communication process in, unclear phenomenon under the copyright often appears, consequent dispute over copyright and invasion phenomenon emerge in an endless stream.How effectively the copyright ownership to be carried out authentication fast is that Internet is gone up the basis that the magnanimity copyright carries out copyright protection and supervision.
Digital copyright management (Digital Rights Management is called for short DRM) is that digital times is carried out the common name of the technology and the method for copyright management and protection to works, promptly becomes a focus of field of media and even entire society's concern since the turn of the century.Existing various DRM technical scheme or product attempt to construct the closed system of a safety, be safety curtain of content protecting structure, and sealing DRM system will derive problems such as technical monopoly.In addition, the smooth and easy circulation of content is the fundamental characteristics that the Digital Media industry develops in a healthy way with convenient the use, and closed system is rationally used right with content graph limited subscriber part in cage.The basic reason that existing DRM technology is difficult to success is eye to be confined in the scopes such as content protecting and works right; Shortage is assert the solution of problem fast to " simulation leak " problem and copyright; Wherein, " simulation leak " long-term existence and will exist forever in future, the quick identification of copyright then is the necessary condition of administering digital works under digitizing, the networked condition, just as the citizenship proof is the pacing items of modern society's management.
Two technology paths of tradition DRM are: cryptography and digital watermarking.The former provides protection with encryption, authorization to copyright, and the latter embeds through watermark and detects the ownership that identifies, assert copyright.On the one hand because copyright is easy to duplicate, propagate, and the copyright of encryption is in case deciphering promptly loses protection, copyright very easily occurs and crack version and spread unchecked phenomenon in a large number in network; The works of encrypting can't be deciphered after having spent the protection period automatically; Encrypt simultaneously and also limited reasonable use (fair use), such as the purpose that is used to non-commercials such as imparting knowledge to students copyright.On the other hand, can not discovered, copyright is caused distortion to a certain degree by perception though watermark embeds; Watermark is difficult to possibly destroyed and wipe by well-meaning operation or malicious attack all normal media operation robusts.In addition, encrypt and add watermark and all can't tackle the online infringement problem that " simulation leak " brings." simulation leak " exists in a large number and can't fundamentally stop; The just copyright whole life of existing DRM technical protection a bit of; At creation of works, copyright registration, deliver, exchange, there are a large amount of chances of revealing in link such as consumption; As long as works are appreciated by the people and are used, need get into the virtual space of human perception from digital space, also just there is the possibility that is replicated, reveals.A typical case of " simulation leak " is: the user utilizes digital equipment to gather copyrights such as text, audio frequency and video from computer screen or other consumption terminal equipment; The copyright that does not also contain watermark of neither encrypting that under unwarranted situation, will acquire then is uploaded to network; Thereby cause on the internet infringement works to overflow, copyright owner's right is caused huge infringement.
In the prior art; To the prerequisite that has the copyright copyright to protect in a large number that flows into network through " simulation leak " is to confirm whether it has copyright and corresponding copyright ownership; And lack or go to pot, simultaneously under the situation of copyright registration and the management platform of lack of uniform, only be difficult to confirm its ownership according to copyright title or identifier at copyright identifier (watermark).
Summary of the invention
The present invention provides a kind of copyright ownership Verification System and method, in order to solve the defective that copyright ownership of the prior art is difficult to authentication, for the ownership identification provides foundation, to obtain ownership authentication result accurately.
The embodiment of the invention provides a kind of copyright ownership Verification System, comprising:
Matchmaker's line extraction apparatus is used for extracting media fingerprints from the copyright of appointment;
The ownership certificate maker is used for the ownership information of said media fingerprints and said copyright is encapsulated and signs electronically according to setting form, generates the ownership certificate of said copyright.
The embodiment of the invention provides a kind of copyright ownership authentication method, comprising:
Matchmaker's line extraction apparatus extracts media fingerprints from the copyright of appointment;
The ownership certificate maker encapsulates the ownership information of said media fingerprints and said copyright and sign electronically according to setting form, generates the ownership certificate of said copyright.
Copyright ownership Verification System provided by the invention and method; When copyright is carried out copyright registration; Can from copyright, extract can this copyright of unique identification media fingerprints; Again its media fingerprints is encapsulated into the ownership certificate of this copyright with the ownership information of this copyright, for the ownership identification provides foundation, the ownership authentication result that obtains is accurate.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the copyright ownership Verification System that Fig. 1 provides for the embodiment of the invention one;
The structural representation of the copyright ownership Verification System that Fig. 2 provides for the embodiment of the invention two;
The schematic flow sheet of the copyright ownership authentication method that Fig. 3 provides for the embodiment of the invention three.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one
The structural representation of the copyright ownership Verification System that Fig. 1 provides for the embodiment of the invention one, as shown in Figure 1, this copyright ownership Verification System comprises:
Matchmaker's line extraction apparatus 11 is used for extracting media fingerprints from the copyright of appointment;
Particularly, media fingerprints (can be called for short matchmaker's line) technology need not in the copyright content, to add any auxiliary authentication information, but utilizes the attribute of copyright itself that works are identified.Be analogous to people's biological characteristics such as fingerprint, vocal print, face picture, DNA or iris, media fingerprints is the specific characteristic of the identity that can be different from other copyrights, reference numbers works from copyright, extracted.Therefore can from copyright, extract the sign of its specific characteristic as copyright.Media fingerprints generally possess two essential characteristics: (1) robustness: copyright can pass through distortion, but as long as the content of copyright is constant, media fingerprints is also constant; (2) property distinguished: the copyright that content is different, its media fingerprints are significantly different.In addition, because copyright is in large scale, from point of view of practicability, other performances that media fingerprints also should possess comprise: compactedness and low computational complexity.Compactedness refers to that the size of media fingerprints will be far smaller than the size of copyright itself, i.e. low spatial complexity, and the storage space of media fingerprints and transmission bandwidth expense are little.Low computational complexity also is that the time complexity of media fingerprints extraction algorithm is low, supports the real-time authentication to the copyright ownership.Medium type according to copyright; Media fingerprints (mediaprint) roughly can be divided into text fingerprints (textprint), audio-frequency fingerprint (audioprint; Abbreviation sound line), finger image (imageprint is called for short the figure line) and video finger print (videoprint is called for short and looks line) four big classes.
In the digital copyright registration process, matchmaker's line extraction apparatus 11 can carry out the copyright of appointment content analysis obtain can these works of unique identification unique characteristic, thereby extract the media fingerprints of the copyright of appointment.Ownership certificate maker 13 encapsulates the ownership information of said media fingerprints and said copyright and sign electronically according to setting form; Can generate the ownership certificate of copyright, wherein the ownership information of copyright includes but not limited to following arbitrary information or its combination in any: matchmaker's line method for distilling identification information, works descriptor, obligee's descriptor, copyright registration time, ownership are advocated the time limit etc.Then, if desired certain copyright is carried out the ownership authentication, can carry out the ownership authentication according to media fingerprints in the media fingerprints of certain copyright and the ownership certificate thereof.Wherein, matchmaker's line extraction apparatus 11 can carry out the extraction of media fingerprints to copyright in the controlled trusted context of works ownership people, thereby prevents to cause the stolen of copyright for authentication purpose.Ownership certificate maker 13 can sign electronically in the trusted context of independent copyright registration mechanism controls, thereby third-party, believable copyright ownership certificate is provided for authentication.Matchmaker's line extraction apparatus 11 can be separate with ownership certificate maker 13; And through network for example: the internet carries out message exchange; The information that is exchanged includes only the authentication-related information such as media fingerprints, ownership descriptor and ownership certificate of works, need not comprise works itself.
Present embodiment copyright ownership Verification System is when carrying out copyright registration to copyright; Can from copyright, extract can this copyright of unique identification media fingerprints; Again its media fingerprints is encapsulated into the ownership certificate of this copyright with the ownership information of this copyright; For the ownership identification provides foundation, the ownership authentication result that obtains is accurate; In addition, if matchmaker's line extraction apparatus and ownership certificate maker are separate, can realize copyright registration through network between copyright registration applicant and the copyright registration ISP, the ownership verification process is simple and convenient.
Embodiment two
The structural representation of the copyright ownership Verification System that Fig. 2 provides for the embodiment of the invention two, as shown in Figure 2, on the basis of embodiment one, the ownership certificate maker 13 of this copyright ownership Verification System comprises:
Ownership certificate package module 131 is used for the ownership information of said media fingerprints and said copyright is packaged into certificate data according to setting form;
Further, matchmaker's line extraction apparatus 11 can comprise with lower module any one or more:
Based on matchmaker's line extraction module 111 of hash algorithm, be used to adopt hash algorithm that the copyright of said appointment is calculated cryptographic hash, extract media fingerprints.Particularly; Hash algorithm also is called hash algorithm; Matchmaker's line extraction module 111 based on hash algorithm can be regarded as a bit stream with copyright, for example adopts hash algorithm: SHA1, MD5 etc. extract the cryptographic hash of this copyright, and with the media fingerprints of this cryptographic hash as these works of sign.Wherein, the mathematical property of Hash operation can be so that the differentiation property of media fingerprints be guaranteed, but robustness is poor slightly, adopt cryptographic hash as the advantage of fingerprint be method simple and clear, implement easily, and its authentication result accurately can be used as evidence and uses.
Based on matchmaker's line extraction module 113 of feature extraction algorithm, be used to adopt feature extraction algorithm that the copyright of said appointment is calculated content-based characteristic, extract media fingerprints.Particularly; Can be for example based on matchmaker's line extraction module 113 of feature extraction algorithm: writing, software, software code, image, audio frequency, video, planar design, three-dimensional picture or types such as scene, data according to the type of copyright; Utilize to the content-based characteristic of media fingerprints algorithm computation of the type and extract media fingerprints, as the unique characteristic of this copyright of sign.For example: yardstick invariant features conversion (Scale InvariantFeature Transform; Be called for short: SIFT) be the algorithm that computer vision field is used to detect and describe image local feature; Can from the extreme point of metric space, screen and stablize key point; Utilize point around it to calculate the descriptor of key point, have very high differentiation property and robustness preferably.Can confirm the media fingerprints extraction algorithm of image based on the SIFT feature extraction algorithm; With the media fingerprints (figure line) of the most stable local feature point that extracts in the metric space as image; The area that utilizes affined transformation carries out the comparison of figure line than invariant feature.
Again further, this copyright ownership Verification System can also comprise:
Matchmaker's line comparative device 17 is used for the media fingerprints of said matchmaker's line extraction apparatus from works extraction to be certified compared with the media fingerprints that said ownership certificate resolver parses from the ownership certificate of works to be certified, confirms the ownership of said works to be certified.Particularly; The ownership certificate of said works to be certified advocates that from the ownership certificate storehouse or by ownership the people provides that (the two is the relation of original and copy; Can unify to be regarded as) from the ownership certificate storehouse; Said matchmaker's line extraction apparatus extracts media fingerprints according to matchmaker's line method for distilling identification information that the ownership certificate resolver parses from works to be certified from the ownership certificate of works to be certified; Matchmaker's line comparative device 17 is compared said matchmaker's line extraction apparatus media fingerprints that extracts and the media fingerprints that said ownership certificate resolver resolves goes out, and comparison result can be used as the foundation of works ownership identification.
Wherein, matchmaker's line comparative device 17 can comprise: identity property comparing module 171 or similarity comparing module 173;
Identity property comparing module 171; Be used for judging whether media fingerprints that said matchmaker's line extraction apparatus extracts from works to be certified and said ownership certificate resolver be identical from the media fingerprints that the ownership certificate of works to be certified parses; If identical, confirm that then the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified; For example: ownership is advocated the complete preservation original figure of people works; Works to be certified and copyright registration works are identical; Be that works to be certified and copyright registration works have identical bit sequence, can adopt identity property comparing module 171 to carry out the authentication of works ownership in this case.
Again further, this copyright ownership Verification System can also comprise:
Particularly; If copyright has extracted media fingerprints and the ownership certificate that itself and ownership information corresponding relation are encapsulated as signature has been stored in the ownership certificate storehouse 19 when copyright registration; Then for the Any Digit works that circulate on the network can whether it has copyright and copyright ownership thereof according to the retrieval comparison result decision of its media fingerprints in the ownership certificate storehouse, have at works to be certified under the situation of ownership information and can carry out operations such as corresponding warning, deletion or related advertisement to this copyright according to copyright owner's rights statement.Ownership information based on media fingerprints and copyright can realize copyright protection and authentication supervision to copyright, thereby effectively solves the online infringement problem that " simulation leak " brings.
Present embodiment copyright ownership Verification System is when carrying out copyright registration to copyright; Can from copyright, extract can this copyright of unique identification media fingerprints; Again its media fingerprints is encapsulated into the ownership certificate of the signature of this copyright with the ownership information of this copyright, for the ownership identification provides foundation; When carrying out the ownership authentication, media fingerprints of putting down in writing in the ownership certificate in the comparison ownership certificate storehouse or that the ownership assertor provides and the media fingerprints that from the works to be certified of being advocated, extracts, the ownership authentication result that obtains is accurate; Can realize copyright registration through network between copyright registration applicant and the copyright registration ISP, the ownership verification process is simple and convenient, can be used in the real-time copyright registration service of lot of works in the internet environment; In the copyright registration process, can not relate to the transmission of the content of copyright own, can prevent the leakage of copyright registration link works, the process of registration of copyright ownership and authentication is safe and reliable.
Embodiment three
The schematic flow sheet of the copyright ownership authentication method that Fig. 3 provides for the embodiment of the invention three, as shown in Figure 3, this copyright ownership authentication method comprises:
Particularly, to the copyright of appointment carry out signature analysis obtain can these works of unique identification unique characteristic, thereby extract the media fingerprints of the copyright of appointment, the mode of specifically extracting media fingerprints can be for multiple, for example:
Mode one, matchmaker's line extraction apparatus adopt hash algorithm that the copyright of said appointment is calculated cryptographic hash, extract media fingerprints;
Hash algorithm also is called hash algorithm; Matchmaker's line extraction module 111 based on hash algorithm can be regarded as a bit stream with copyright; For example adopt hash algorithm: SHA1, MD5 etc. extract the cryptographic hash of this copyright, and with the media fingerprints of this cryptographic hash as these works of sign.Wherein, the mathematical property of Hash operation can be so that the differentiation property of media fingerprints be guaranteed, but robustness is poor slightly, adopt cryptographic hash as the advantage of fingerprint be method simple and clear, implement easily, and its authentication result accurately can be used as evidence and uses.
Mode two, matchmaker's line extraction apparatus adopt feature extraction algorithm that the copyright of said appointment is calculated content-based characteristic, extract media fingerprints.
Matchmaker's line extraction apparatus can be according to the type of copyright for example: writing, software, software code, image, audio frequency, video, planar design, three-dimensional picture or types such as scene, data; Utilize to the content-based characteristic of feature extraction algorithm calculating of the type and extract media fingerprints, as the unique characteristic of this copyright of sign.For example: the media fingerprints extraction algorithm that can confirm image based on the SIFT feature extraction algorithm; With the media fingerprints (figure line) of the most stable local feature point that extracts in the metric space as image, concrete grammar can be referring to the associated description among the embodiment two.
Wherein, The ownership information of copyright includes but not limited to the arbitrary information of subordinate or its combination in any: matchmaker's line method for distilling identification information, works descriptor, obligee's descriptor, copyright registration time, ownership are advocated the time limit etc., and step 102 specifically can comprise:
Said ownership certificate maker is packaged into certificate data with the ownership information of said media fingerprints and said copyright according to setting form;
Said ownership certificate maker signs electronically to said certificate data, forms the ownership certificate of said copyright.For example: the ownership certificate maker adopts PKI mechanism cert data to sign electronically, and wherein the cert data sign electronically, and can guarantee the media fingerprints and the ownership information truth, complete of copyright.
Matchmaker's line extraction apparatus can carry out the extraction of media fingerprints to copyright in the controlled trusted context of works ownership people, thereby prevents to cause the stolen of copyright for authentication purpose.The ownership certificate maker can sign electronically in the trusted context of independent copyright registration mechanism controls, thereby third-party, believable copyright ownership certificate is provided for authentication.Matchmaker's line extraction apparatus and ownership certificate maker can be separate and be carried out message exchange through network, and the information that is exchanged includes only the authentication-related information such as media fingerprints, ownership descriptor and ownership certificate of works, need not comprise works itself.
Further, this copyright ownership authentication method can also comprise:
Wherein, The ownership certificate of said works to be certified advocates that from the ownership certificate storehouse or by ownership the people provides that (the two is the relation of original and copy; Can unify to be regarded as) from the ownership certificate storehouse; Said matchmaker's line extraction apparatus extracts media fingerprints according to matchmaker's line method for distilling identification information that the ownership certificate resolver parses from works to be certified from the ownership certificate of works to be certified, matchmaker's line comparative device is compared said matchmaker's line extraction apparatus media fingerprints that extracts and the media fingerprints that said ownership certificate resolver resolves goes out, and comparison result can be used as the foundation of works ownership identification; Specifically can adopt identity property comparison method or similarity comparison method, wherein:
Identity property comparison method is: said matchmaker's line comparative device judges whether the media fingerprints that media fingerprints that said matchmaker's line extraction apparatus extracts from works to be certified and said ownership certificate resolver parse is identical from the ownership certificate of works to be certified; If identical, confirm that then the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified; For example: ownership is advocated the complete preservation original figure of people works; Works to be certified and copyright registration works are identical; Be that works to be certified and copyright registration works have identical bit sequence, can adopt identity property comparison method to carry out the authentication of works ownership in this case.
Similarity comparison method is: the media fingerprints that the media fingerprints that said matchmaker's line comparative device extracts said matchmaker's line extraction apparatus from works to be certified and said ownership certificate resolver parse from the ownership certificate of works to be certified carries out similarity to be compared, and confirms according to similarity degree whether the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified.Wherein, How many similarity degrees reaches and can regard as identical; The technical characterstic that depends on matchmaker's line method for distilling; For example: when the use of monitoring copyright; Owing in the copyright process of circulation according to actual needs (like the legal authorization person of video work in order to save the compression that bandwidth is carried out) or specific purpose (like the bootlegger in order to escape monitoring) carried out one or more conversion, the media fingerprints in the media fingerprints that from works to be certified, extracts in this case and the ownership certificate of works to be certified maybe be incomplete same, need confirm that the similarity of much degree can assert the works ownership according to the technical characteristic of matchmaker's line method for distilling.
Further,, in this copyright ownership Verification System the ownership certificate storehouse can be set, be used to preserve the ownership certificate of all registration copyrights in order to prevent online infringement.Ownership certificate provides the media fingerprints of said copyright and the corresponding relation of ownership information.
Particularly; If copyright has extracted media fingerprints and the ownership certificate that itself and ownership information corresponding relation are encapsulated as signature has been stored in the ownership certificate storehouse when copyright registration; Then for the Any Digit works that circulate on the network can whether it has copyright and copyright ownership thereof according to the retrieval comparison result decision of its media fingerprints in the ownership certificate storehouse, have at works to be certified under the situation of ownership information and can carry out operations such as corresponding warning, deletion or related advertisement to this copyright according to copyright owner's rights statement.Ownership information based on media fingerprints and copyright can realize copyright protection and authentication supervision to copyright, thereby effectively solves the online infringement problem that " simulation leak " brings.
Present embodiment is when carrying out copyright registration to copyright; Can from copyright, extract can this copyright of unique identification media fingerprints; Again its media fingerprints is encapsulated into the ownership certificate of the signature of this copyright with the ownership information of this copyright, for the ownership identification provides foundation; When carrying out the ownership authentication, media fingerprints of putting down in writing in the ownership certificate in the comparison ownership certificate storehouse or that the ownership assertor provides and the media fingerprints that from the works to be certified of being advocated, extracts, the ownership authentication result that obtains is accurate; Can realize copyright registration through network between copyright registration applicant and the copyright registration ISP, the ownership verification process is simple and convenient, can be used in the real-time copyright registration service of lot of works in the internet environment; In the copyright registration process, can not relate to the transmission of the content of copyright own, can prevent the leakage of copyright registration link works, the process of registration of copyright ownership and authentication is safe and reliable.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of programmed instruction; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. a copyright ownership Verification System is characterized in that, comprising:
Matchmaker's line extraction apparatus is used for extracting media fingerprints from the copyright of appointment;
The ownership certificate maker is used for the ownership information of said media fingerprints and said copyright is encapsulated and signs electronically according to setting form, generates the ownership certificate of said copyright.
2. copyright ownership Verification System according to claim 1 is characterized in that the ownership certificate maker comprises:
The ownership certificate package module is used for the ownership information of said media fingerprints and said copyright is packaged into certificate data according to setting form;
The electronic signature module is used for the said certificate data that said ownership certificate package module generates is signed electronically, and forms the ownership certificate of said copyright.
3. copyright ownership Verification System according to claim 1 is characterized in that, said matchmaker's line extraction apparatus comprise with lower module any one or more:
Based on matchmaker's line extraction module of hash algorithm, be used to adopt hash algorithm that the copyright of said appointment is calculated cryptographic hash, extract media fingerprints;
Based on matchmaker's line extraction module of feature extraction algorithm, be used to adopt feature extraction algorithm that the copyright of said appointment is calculated content-based characteristic, extract media fingerprints.
4. according to the arbitrary described copyright ownership Verification System of claim 1-3, it is characterized in that, also comprise:
The ownership certificate resolver is used for parsing from the ownership certificate of said copyright the ownership information of the media fingerprints and the said copyright of said copyright;
Matchmaker's line comparative device is used for the media fingerprints of said matchmaker's line extraction apparatus from works extraction to be certified compared with the media fingerprints that said ownership certificate resolver parses from the ownership certificate of works to be certified, confirms the ownership of said works to be certified;
Said matchmaker's line comparative device specifically comprises:
The identity property comparing module; Be used for judging whether media fingerprints that said matchmaker's line extraction apparatus extracts from works to be certified and said ownership certificate resolver be identical from the media fingerprints that the ownership certificate of works to be certified parses; If identical, confirm that then the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified; Or
The similarity comparing module; The media fingerprints that the media fingerprints that is used for said matchmaker's line extraction apparatus is extracted from works to be certified and said ownership certificate resolver parse from the ownership certificate of works to be certified carries out similarity to be compared, and confirms according to similarity degree whether the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified.
5. according to the arbitrary described copyright ownership Verification System of claim 1-3, it is characterized in that, also comprise:
The ownership certificate storehouse is used to preserve the ownership certificate of said copyright, and said ownership certificate comprises the media fingerprints of said copyright and the corresponding relation of ownership information.
6. a copyright ownership authentication method is characterized in that, comprising:
Matchmaker's line extraction apparatus extracts media fingerprints from the copyright of appointment;
The ownership certificate maker encapsulates the ownership information of said media fingerprints and said copyright and sign electronically according to setting form, generates the ownership certificate of said copyright.
7. copyright ownership authentication method according to claim 6; It is characterized in that; Said ownership certificate maker encapsulates the ownership information of said media fingerprints and said copyright and sign electronically according to setting form, generates the ownership certificate of copyright, comprising:
Said ownership certificate maker is packaged into certificate data with the ownership information of said media fingerprints and said copyright according to setting form;
Said ownership certificate maker signs electronically to said certificate data, forms the ownership certificate of said copyright.
8. copyright ownership authentication method according to claim 6 is characterized in that, said matchmaker's line extraction apparatus extracts media fingerprints from the copyright of appointment, may further comprise the steps any one or more:
Said matchmaker's line extraction apparatus adopts hash algorithm that the copyright of said appointment is calculated cryptographic hash, extracts media fingerprints;
Said matchmaker's line extraction apparatus adopts feature extraction algorithm that the copyright of said appointment is calculated content-based characteristic, extracts media fingerprints.
9. according to the arbitrary described copyright ownership authentication method of claim 6-8, it is characterized in that, also comprise:
The ownership certificate resolver parses the ownership information of the media fingerprints and the said copyright of said copyright from the ownership certificate of said copyright.
10. copyright ownership authentication method according to claim 9 is characterized in that, also comprises:
Matchmaker's line comparative device extracts said matchmaker's line extraction apparatus from works to be certified media fingerprints; Compare with the media fingerprints that said ownership certificate resolver parses from the ownership certificate of said works to be certified, confirm whether the ownership of said works to be certified is legal; Specifically comprise:
Said matchmaker's line comparative device judges whether the media fingerprints that media fingerprints that said matchmaker's line extraction apparatus extracts from works to be certified and said ownership certificate resolver parse is identical from the ownership certificate of said works to be certified; If identical, confirm that then the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified; Or
The media fingerprints that the media fingerprints that said matchmaker's line comparative device extracts said matchmaker's line extraction apparatus from works to be certified and said ownership certificate resolver parse from the ownership certificate of said works to be certified carries out similarity to be compared, and confirms according to similarity degree whether the ownership of said works to be certified is consistent with the ownership information that said ownership certificate resolver parses from the ownership certificate of works to be certified.
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| CN103391196A (en) * | 2013-07-04 | 2013-11-13 | 黄铁军 | Asset digital authentication method and device |
| CN106096335A (en) * | 2016-06-08 | 2016-11-09 | 北京小米移动软件有限公司 | Copyright information detection method, copyright information detection device and electronic equipment |
| CN107169325A (en) * | 2017-06-12 | 2017-09-15 | 物链（北京）科技有限公司 | Copyright information protection, really power method, device, system and content editing device |
| CN107301333A (en) * | 2017-06-12 | 2017-10-27 | 物链（北京）科技有限公司 | Copyright information protection, really power method, device, system and digital equipment |
| CN107330836A (en) * | 2017-06-30 | 2017-11-07 | 上学啦（深圳）科技有限公司 | A kind of missing finding method and its device based on biological characteristic |
| CN108108593A (en) * | 2017-12-20 | 2018-06-01 | 厦门市美亚柏科信息股份有限公司 | E text power certificates constructing, the method used, terminal device and storage medium |
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| CN107169325A (en) * | 2017-06-12 | 2017-09-15 | 物链（北京）科技有限公司 | Copyright information protection, really power method, device, system and content editing device |
| CN107301333A (en) * | 2017-06-12 | 2017-10-27 | 物链（北京）科技有限公司 | Copyright information protection, really power method, device, system and digital equipment |
| CN107330836A (en) * | 2017-06-30 | 2017-11-07 | 上学啦（深圳）科技有限公司 | A kind of missing finding method and its device based on biological characteristic |
| CN108108593A (en) * | 2017-12-20 | 2018-06-01 | 厦门市美亚柏科信息股份有限公司 | E text power certificates constructing, the method used, terminal device and storage medium |
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Application publication date: 20120711 |