KR102176326B1 - Contents protection system - Google Patents

Abstract

The present invention is an OSP client module that accesses an online service provider (OSP) server to download a content file, and when downloading of a content file is stopped or completed by the OSP client module, it is determined whether the content file is a compressed file, and , In the case of compressed files, copyright protection including a copyright protection module that decompresses only a set ratio from the total file size, extracts the DNA of the content file, searches for copyright-protected content, and stores it as a content transaction history in the case of copyright-protected content. System.

Description

Content protection system {CONTENTS PROTECTION SYSTEM}

The present invention relates to a content protection system using genetic information.

In recent years, as the Internet network environment has rapidly developed, file sharing has been actively performed through P2P or Web Hard. Multimedia contents such as movies and dramas are mainly actively shared or distributed on Internet sharing sites such as web hard and P2P. Among the multimedia files shared and distributed as described above, the number of cases in which copyrighted files are also illegally uploaded on the web and distributed for free is increasing rapidly. It is impossible to block the upload and download of all multimedia files, and this ban could hinder the growth of the entire content industry. Accordingly, there is an increasing need for a system capable of protecting and distributing multimedia files whose copyright should be protected.

In order to block illegal distribution of broadcast content, the webhard administrator manually checks and deletes illegal copies that infringe on copyright, or restricts search keywords, file names of broadcast content protected by copyright and uploaded illegal It takes a method of comparing the file name of duplicates, a method of comparing the title and file name of the posted broadcast content in XML, but these methods require a lot of management personnel, and the person who uploads the illegal copy is not If you post the title by changing the spelling, the utility will disappear. In addition, there is a problem in that the utility is very low even when a certain download target amount is satisfied after uploading, deleted and re-uploaded to avoid copyright enforcement.

In order to solve this problem, when a user uploads or downloads broadcast content to the webhard, the gene information of the corresponding broadcast content is extracted from the webhard, and then the gene information previously stored in the filtering server is compared with the gene information of the extracted broadcast content. , A broadcast content transaction system for granting billing has been disclosed.

In the conventional broadcasting content transaction system as described above, transaction management of broadcasting content is performed based on Webhard, so if filtering is bypassed or sales data is manipulated by a malicious action of a Webhard administrator, the transaction of affiliated broadcasting content In spite of this, due to the omission of the transaction details, there is a problem that web hard companies actually take advantage of the transaction of broadcasting contents, but the broadcaster suffers damage from the omission of the contents transaction details.

The change in the concept of copyright rights is applied to the copyright technology field as well, and it is changing from a technology that focuses on prior access control to a follow-up or management technology that allows users to receive compensation or hold accountability by tracking usage records after permission is granted.

Korean Patent Publication No. 10-2009-0112259 Republic of Korea Patent Publication No. 10-2001-0087808 Korean Patent Publication No. 10-2003-0003412 Republic of Korea Patent Publication No. 10-2010-0020658

The present invention was conceived to solve the above-described problems, and an object of the present invention is to secure transparency of content transaction and promote the growth of the content transaction market by comparing and verifying the content transaction details of the OSP and the content transaction details of the copyright protection system. It is to provide a copyright protection system that can be used.

According to an aspect of the present invention,

An OSP client module that accesses an online service provider (OSP) server to download a content file; And

When the downloading of the content file is stopped or completed by the OSP client module, it is determined whether the content file is a compressed file, and in the case of a compressed file, only the ratio set from the total file size is decompressed, and the DNA of the content file is Provides a copyright protection system including a copyright protection module that extracts, searches for copyright-protected content, and stores copyright-protected content as content transaction details.

The copyright protection module is characterized in that it does not determine whether the content file is copyright protected content when the content file is less than a set size.

The copyright protection module extracts the title keyword of the content file and searches for it to determine whether it is copyright-protected content, and if it is a copyright-protected content, it saves it as a content transaction history and omits the process of determining whether it is a copyright content by extracting the DNA. It is characterized.

The copyright protection module extracts HASH data of the content file and searches for it to determine whether it is copyright protected content, and if it is a copyright protection content, it saves it as a content transaction history, and omits the process of determining whether it is a copyright content by extracting the DNA. It is characterized.

The DNA is extracted before the copyright-protected content is broadcast and converted into a DB on the copyright-protected main server.

The OSP client module is characterized in that the user terminal is generated by a program that is downloaded and executed for file up-down from an OSP server.

The copyright protection module is a part of the OSP client module, and is generated together when the OSP client module is generated, and independently determines whether or not the content file is copyrighted when the OSP client module is operated.

According to the present invention, by comparing and verifying the contents transaction details of the OSP and the contents transaction details of the copyright protection system, it is possible to secure the transparency of the content transaction and promote the growth of the content transaction market.

In addition, according to the present invention, it is possible to reduce the cost of manpower and time input required for monitoring and settlement of content transaction details, and increase management efficiency.

1 is a diagram showing the configuration of a copyright protection system according to an embodiment of the present invention.
2 is a diagram showing the configuration of a copyright protection main server according to an embodiment of the present invention.
3 is a diagram illustrating a process of transacting content according to an embodiment of the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to a specific embodiment, it is to be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the present invention, when it is determined that a detailed description of a related known technology may obscure the subject matter of the present invention, a detailed description thereof will be omitted.

Terms such as first and second may be used to describe various components, but the components should not be limited by terms. The terms are only used for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component. The term and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

In the present specification, when referred to as "input" or "transfer" from a certain element to another element, it may be directly input to the other element or may be directly transmitted, but is input through another element in the middle or Or it should be understood that it may be conveyed. On the other hand, when it is referred to as "directly input" or "directly transmitted" from a certain element to another element, the term used in this application as not passing through another element in the middle is only used to describe a specific embodiment. As it has been, it is not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

A copyright protection system according to an embodiment of the present invention will be described with reference to FIGS. 1 to 2. 1 shows components related to content transaction. As shown, a content provider server 1500 that produces content, an online service provider server 1400 that is a content seller, a user terminal 1100 that uploads or downloads content to consume content, and copyright protection for content There is a protection main server 1200 and a filtering server 1600 that monitors content performed by an online service provider (OSP).

The content provider server 1500 refers to a server of a content provider (CP), which is a business operator holding a license to own and sell content. It can be a broadcaster server such as iMBC. The content provider server 1500 is hereinafter referred to as a CP server 1500.

The online service provider server 1400 is a server of an online service provider (OSP), which is a content seller, and refers to a server of a web hard or P2P company. Hereinafter, the online service provider server 1400 is referred to as an OSP server 1400. The OSP server 1400 provides a storage space so that a plurality of users can share content, and provides an up-down program to the user terminal 1100 so that content can be uploaded or downloaded from the user terminal.

The filtering server 1600 performs a filtering function in order to take technical measures related to the immunity of OSP under the copyright law. Filtering is a program designed for the purpose of testing each input or output request according to certain suitable criteria, processing it appropriately, and then passing it to the next step. It receives input data and makes appropriate judgments about it, if necessary. It is a kind of'gateway' code that converts and passes it to another program. (Jongsu Yoon, "Liability limitations of online service providers and the obligation to take technical measures of special types of online service providers", Human Rights and Justice, No. 395 (2009.7), P. 36.) The key to filtering is to determine if the file is infringing copyright. Filtering technology is divided into search word-based filtering (title filtering, string comparison method, specific type of file filtering), hash-based filtering (filtering through hash value comparison), and feature-based filtering (filtering using audio/video recognition technology). . 'Title filtering' is a method that is applied by most P2P and web hard companies, as it is a method of restricting search through the banned word setting, and can be easily applied regardless of the type of work such as music or movies, but the title of the file is slightly changed. There is a drawback that filtering can be easily avoided by doing this. The'character string comparison method' is a method similar to subject filtering, and is a method of blocking the case of avoiding subject filtering by pre-calculating the number of cases, such as combinations of words that make up the subject. It does not require much cost and is applied by some companies, but the level of blocking is not perfect. 'Filtering certain types of files' is a method similar to title filtering, which blocks file extensions (mp3 or ogg files for music, divix files for movies, etc.). Individual application is not easy, and if the file extension name is changed, filtering can be easily avoided. 'Hash-based filtering' is a method of recognizing and blocking copyrighted works using a hash function because each file has its own hash value, and it is a method applied by some companies and can be easily applied by individual P2P companies, etc. without specialized technology. Even with the same work, if the files are different, the hash value is different, so filtering can be avoided. 'Features-based filtering' is an advanced technique that recognizes and blocks works by using the unique characteristics of original music and movie files (referred to as sound source DNA and video material DNA). Unlike feature comparison by hash value, files are It is known to be filtered almost completely because it does not change easily even if it is duplicated. In the case of music, audio recognition technology is used to apply to some P2P companies, and in the case of video, filtering can be performed only with audio recognition technology. The exact content usage fee can be calculated only by accurately grasping the number of content usage and related sales per OSP (Il-Hwan Moon ,Online service provider (OSP) legal obligations and responsibilities, Intellectual Property Research Vol. 7 No. 2 (2012. 6)).

There was a problem in that accurate filtering was not performed due to collusion between the filtering server 1600 and the operating entity of the OSP server 1400 as described above, and the CP needs to monitor the content transaction status by itself, so the copyright protection system of the present invention It further includes a copyright protection main server 1200 and a copyright protection module 1120 operating in the user terminal 1100.

The copyright protection main server 1200 functions to monitor the upload and download transaction status of content produced by the CP and manage statistics. As shown in FIG. 2, the copyright protection main server 1200 includes a monitoring unit 1210, a content recognition unit 1220, a content DNA/RMI management unit 1230, a statistics management unit 1240, and a real-time DNA generation unit 1250. ). The real-time DNA generation unit 1250 may be configured as a separate DNA generation server 1300 as shown in FIG. 1.

The monitoring unit 1210 includes an automatic update module and an OSP client monitoring server to monitor the OSP and perform a monitoring function. Multimedia file combined with gene information-When received, the gene information is extracted, the extracted gene information is compared with the previously stored gene information, and the result is output if similar gene information exists. The content recognition unit 1220 includes a content HASH search server, an AUDIO DNA search server, and a VIDEO DNA search server, and performs hash search and DNA search request functions in a content file. It performs DNA storage and retrieval functions. The content DNA/RMI management unit 1230 includes RMI DB, HASH DB, and DNA DB for HASH and A/V DNA search of the content recognition unit 1220, and manages RMI, Hash, and generated A/V DNA, Stores OSP contract data (blocking, distribution, price, title, etc.) and automatically matches according to search results. The statistics management unit 1240 compares the filtering details of the filtering server 1600 with the filtering details of the filtering server 1600 based on the actual transaction details information collected through the copyright protection module 1120 of the user terminal 1100, the presence or absence of affiliation, the time of establishment of the alliance, sales details, and settlement. It provides real-time status and statistics such as missing status. It stores encryption/decryption details and manages statistics including LOG encryption DB server. The real-time DNA generating unit 1250 is a system that simultaneously generates audio video DNA for real-time broadcast content, and transmits and automatically registers it in real time to a content recognition system. Transmission data and transaction details are encrypted. Detailed description of the encryption technology will be omitted.

The user terminal 1100 is a terminal that uploads or downloads content, and may be a PC or a smartphone. When the user terminal 1100 is connected to use the OSP server 1400, an OSP client program for content up-down and a stand alone program of the copyright protection system are downloaded and executed. It is preferable that the stand alone program of the copyright protection system is inserted into the OSP client program in the form of a module. The OSP client module 1110 is generated by the OSP client program, and the copyright protection module 1120 is generated by the copyright protection system standalone program.

When the user uploads/downloads files through the OSP, the OSP client module 1110 primarily verifies (encrypts) basic filtering and validity of the sales process within the environment of the user terminal 1100.

The copyright protection module 1120 works independently with the OSP client module 1110 to transmit the filtering value to the OSP, and at the same time perform the functions of the existing filtering and control system with an actual content transaction history monitoring and automatic settlement system. When the OSP client module 1110 performs a content up/down, the copyright protection module 1120 determines whether the content is a compressed file, and in the case of a compressed file, extrudes only the set size of the corresponding file. After that, the size of the file, whether it is a video file, and the file title are checked, and if the file is larger than the set size, it is determined whether it is a video file, and if the video file is larger than the set size, the file title is checked to recognize the content subject to copyright protection. Is determined, HASH is extracted to determine whether it is the content subject to copyright protection, DNA of the file that is not determined whether or not the content subject to copyright protection by using the title keyword and HASH is extracted and searched in the DNA server of the content recognition unit 1220 Determine whether the content is copyright protected. It is preferable that the DNA is AUDIO DNA. If it is determined as copyright-protected content, the statistics management unit 1240 is stored in the transaction details DB, so that the copyright transaction details can be independently configured with the OSP.

3 is a copyright protection system according to an embodiment of the present invention, if the file size does not exceed a set value, it corresponds to a video clip or the like, and thus is not subject to copyright protection. Accordingly, in the case of a file that is not subject to copyright protection, the copyright protection module 1120 is completely excluded from the copyright protection monitoring, so that resources of the user terminal on which the copyright protection module 1120 operates is not wasted. In addition, in the case of a compressed file, HASH and DNA extraction was possible only when the entire 10G file was decompressed in the case of a 10G file, but in the case of the copyright protection system according to an embodiment of the present invention, By decompressing about 5% of the set size of the compressed file, DNA extraction is performed only on the extracted part to determine whether it is copyright-protected content. Accordingly, it is possible to prevent the resource waste of the user terminal due to the decompression of the entire compressed file. In addition, the title keyword extraction search, HASH extraction search, and DNA extraction search are sequentially performed to prevent the DNA extraction search operation for copyright-protected contents that can be searched by operations that require small resources. Will be able to prevent the waste of money.

The copyright protection method of the copyright protection system configured as described above will be described with reference to FIG. 3 as follows. When the user terminal 1100 accesses the OSP server 1400 and selects the upload/download of the content file, the OSP server 1400 determines whether the OSP client module 1110 is validly present in the user terminal 1100 The version is determined so that the user terminal 1100 downloads an up-down program or an update program for the OSP client module 1110. When downloading an up-down program or an update program, the copyright protection program or its update program is also downloaded. When the copyright protection program is executed in the user terminal, the copyright protection module 1120 is generated as a module of the OSP client module 1110. The copyright protection module 1120 performs a function for protecting the content of the copyright holder separately from the OSP client module 1110. The OSP client module 1110 processes content file upload/download and billing from the OSP server 1400. When the OSP client module 1110 uploads/downloads the content file, the copyright protection module 1120 determines whether the content file is a compressed file. If the content file is a compressed file, when the up-download is completed or stopped, only the set size of the file is extracted. After that, it is determined whether the size of the file is larger than the set size. If the size is less than the set size, it is not subject to copyright protection because it corresponds to a clip, etc., so copyright protection processing is not performed. If it is larger than the set size, the file title is checked, and if it corresponds to the title of the content subject to copyright protection stored in the DB of the copyright protection system 1200, it is stored in the transaction history DB of the statistics management unit 1240, and then copyright protection processing of the file Do not conduct. If the title is not subject to copyright protection, HASH is extracted, and if it corresponds to the content subject to copyright protection stored in the DB of the copyright protection system 1200, it is stored in the transaction history DB of the statistics management unit 1240, and then the copyright of the file is protected. No processing is performed. If HASH is not applicable, DNA of the content file is extracted and searched in the DNA server of the content recognition unit 1220 to determine whether the content is copyright protected. It is preferable that the DNA is AUDIO DNA. If it is determined as copyright-protected content, it is possible to configure the copyright transaction details independently with the OSP by storing them in the transaction details DB of the statistics management unit 1240.

According to the copyright protection system according to an embodiment of the present invention, the OSP installation avoidance omission is blocked through validity encryption processing when content is uploaded and downloaded, and the cause of omission can be easily identified. With its own DNA filtering system, it is possible to check the transaction details of OSP broadcasting contents in real time. You can check and bill the transaction details of broadcast content sold before partnership. Omission verification is possible when OSP settlement is omitted. Content transaction details can be secured even if there is an omission of alliance settings when uploading broadcast content immediately after the broadcast ends. By mutual monitoring of the copyright protection module 1120 and the OSP client module 1110, it is possible to block the system incapacitating behavior at the source.

Claims (7)

An OSP client module that accesses an online service provider (OSP) server to download a content file; And
When the OSP client module downloads the content file, it determines whether the content file is a compressed file, and in the case of a compressed file, the content file is decompressed after extruding only the set size of the content file. By checking the size of the file, whether it is a video file, and the file title keyword,
When the decompressed content file is larger than the set size, it is determined whether it is a video file, and when it is a video file larger than the set size, the title keyword of the content file is extracted and searched to determine whether it is copyright protected content, and copyright In the case of protected content, it is stored as a content transaction history, and the HASH of the content file that has been decompressed is extracted to determine whether it is a content subject to copyright protection, and in the case of copyright-protected content, it is stored as a content transaction history,
If the content file is less than the set size, it is not determined whether it is copyright-protected content, if it is not a video file, it is not determined whether it is copyright-protected content, and it is not determined whether the content is subject to copyright protection by the file title and the HASH Copyright protection system including a copyright protection module that extracts DNA from only the content file, searches for copyright-protected content, and stores the content transaction history in the case of copyright-protected content. delete delete delete The method of claim 1,
The DNA is a copyright protection system, characterized in that before the end of the copyright-protected content broadcast is extracted and converted into a DB in the copyright protection main server. The method of claim 1,
The OSP client module is a copyright protection system, characterized in that the user terminal is generated by a program that is downloaded and executed for file up-down from an OSP server. The method of claim 6,
The copyright protection module is a part of the OSP client module, and is generated together when the OSP client module is generated, and independently determines whether or not the content file is copyrighted when the OSP client module is operated.

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