CN1290349C - Mobile telecommunicating system and method with digital copyright protection and authentication - Google Patents
Mobile telecommunicating system and method with digital copyright protection and authentication Download PDFInfo
- Publication number
- CN1290349C CN1290349C CN200410096322.7A CN200410096322A CN1290349C CN 1290349 C CN1290349 C CN 1290349C CN 200410096322 A CN200410096322 A CN 200410096322A CN 1290349 C CN1290349 C CN 1290349C
- Authority
- CN
- China
- Prior art keywords
- mobile communication
- digital
- authentication
- information
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The present invention discloses a mobile communication system with digital copyright protection and certification, which comprises a mobile communication terminal and a mobile communication network service system, wherein the mobile communication terminal is provided with a video camera, the mobile communication terminal is provided with a digital watermarking load unit for carrying out digital watermarking information loading to the image shot by the mobile communication terminal, a multi-media digital copyright certification server is arranged in the mobile communication network service system for receiving the copyright certification request and the image or the video data required to be certified and analyzing the digital watermarking information of the obtained image or the video data to carry out certification. The present invention discloses a method for the mobile communication system to carry out digital copyright protection and the certification, which comprises a digital copyright information loading procedure and a digital copyright certification procedure. Compared with the prior art, the present invention has the characteristics of simplicity, feasibility, etc. The present invention can effectively protect the image or the video copyright shot by the mobile communication terminal.
Description
Technical field
The present invention relates to a kind of mobile communication system, particularly a kind of mobile communication system with digital copyright protecting and authentication.
The present invention also relates to a kind of network service method of mobile communication system simultaneously, and particularly a kind of mobile communication system is carried out the method for digital copyright protecting and authentication.
Technical background
The access of the information that is digitized as of information medium provides very big facility, has also significantly improved the efficient and the accuracy of information representation simultaneously.Computer network communication technology and mobile communication technology flourish makes the exchange of data become relative simple and quick, a fast process with transmission.People can make things convenient for, promptly digital information are communicated to all over the world by means of electronic equipments such as computer, scanner, printer, mobile phone, palmtop PCs.But thing followed side effect also is very tangible, at present for effective control makes despiteful individual or group not obtain under the possessory permission of works copy and to propagate the content that copyright is arranged by transmitted data on network file or works, the digital copyright management technology is implemented in the computer network communication technology.But for function mobile communication terminal from strength to strength; the shooting of taking pictures becomes one of its very common function; but the neither one effective measures are protected the image copyright of mobile communication terminal; the problem of bringing thus is; in a single day image that the author is captured or video send to other people; then may be propagated arbitrarily even carry out business activity, and author's its copyright difficult of proof to one's name.More have even, the photographer of malice utilizes mobile communication terminal other people privacy of taking on the sly, hits this class crime but the victim is difficult to obtain strong evidence.Therefore how on mobile communication terminal, implement effective copyright protection and information safety protection becomes an extremely urgent realistic problem.
Summary of the invention
The objective of the invention is: at the deficiencies in the prior art; provide a kind of simple, can effectively protect the image that mobile communication terminal takes or the copyright of video, carry out the mobile communication system of digital copyright protecting and authentication and the method for digital copyright protecting and authentication.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of mobile communication system with digital copyright protecting and authentication, comprise mobile communication terminal and mobile communications network service system, described mobile communication terminal has camera head, be provided with the digital watermarking load-on module at mobile communication terminal, be used to produce digital watermark information, and mobile communication terminal captured image or video data are carried out the digital watermark information loading; In the mobile communications network service system, be provided with multimedia digital copyright authentication server, be used to receive the image or the video data of copyright authentication request and requirement authentication, and resolve the digital watermark information that obtains this image or video data, to carry out copyright authentication.
Described digital watermark information can comprise international mobile enrollment status information, mobile network's location area information and system time message.
Described mobile communications network service system can also comprise value-added network metadatabase, home subscriber database and visit the ground customer data base, described value-added network metadatabase is used for providing user's log-on message according to the digital watermark information that is received to described multimedia digital copyright authentication server, described home subscriber database and visit the SIM card number that the ground customer data base is used for providing to described multimedia digital copyright authentication server according to the digital watermark information that is received the mobile communication terminal of the image of taking described requirement authentication or video data.
Described mobile communications network service system can also comprise Gateway GPRS Support Node and Serving GPRS Support Node, described mobile communications network service system is carried out data interaction by Gateway GPRS Support Node and other data network, described Serving GPRS Support Node is used to write down the current location information of mobile communication terminal, and finishes the transmission and the reception of mobile packet data between mobile communication terminal and Gateway GPRS Support Node.
Can also be provided with SIM card information reading module, wireless communication module and memory module in the described mobile communication terminal, described digital watermarking load-on module obtains the relevant information of mobile communication terminal by described SIM card information reading module, and digital watermark information is loaded on the image or video data of described camera head shooting, described memory module is used to store image or the video data that has loaded digital watermark information, and described wireless communication module is used for communicating with described mobile communications network service system.
Described digital watermarking load-on module can also have pseudo-random generator, is used for digital watermark information is carried out the spread spectrum coding modulation.
A kind of mobile communication system is carried out the method for digital copyright protecting and authentication, comprises digital rights information load step and digital copyright authentication step, wherein,
Described digital rights information load step is in mobile communication terminal, produces the set of number watermark information by the digital watermarking module, and is loaded on this mobile communication terminal captured image or video data;
Described digital copyright authentication step is in the mobile communications network service system, receive authentication request information and image or the video data that the copyright authentication requestor sends by multimedia digital copyright authentication server, thereby obtain copyright information, and return to the requestor.
Described digital rights information load step can comprise:
Step a0, the camera head that starts on the mobile communication terminal carry out the shooting of image or video;
The mobile communication terminal identification information of step a1, digital watermarking load-on module reading SIM card stored, and be loaded in described image or the video data as digital watermark information;
Step a2, will be through in the image that loads digital watermarking or the memory module that video data stores mobile communication terminal into.
Described digital copyright authentication step can comprise:
Step b0, described multimedia digital copyright authentication server receive solicited message that authentication requester sends to the mobile communications network service system by Internet network or mobile communications network and image or the video data that needs authentication;
Step b1, described multimedia digital copyright authentication server detect image or the video data that is received, obtain digital watermark information, and resolve this digital watermark information, obtain system time information, international mobile enrollment status information and mobile network's location area information;
Step b2, described multimedia digital copyright authentication server send to the value-added network metadatabase of mobile communications network service system with the international mobile enrollment status information in the described digital watermark information, thereby obtain the photographer's of this image or video data user's registration information;
Step b3, described multimedia digital copyright authentication server send to the mobile network's location area information in the described digital watermark information home subscriber database of mobile communications network service system or visit the ground customer data base, thereby obtain the photographer's of this image or video data SIM card number;
Step b4, described multimedia digital copyright authentication server return to authentication requester with shooting time, the spot for photography of the image that obtained or video data and the information of taking the user.
Described multimedia digital copyright authentication server can at first be confirmed the authority of authentication requester before carrying out the digital watermarking parsing, if this authentication requester does not authenticate authority, then return refusal information, and withdraw from identifying procedure.
In technique scheme; image or video that the present invention adopts the digital watermarking load-on module that its camera head is taken in mobile communication terminal load digital watermark information; being about to copyright information effectively is loaded in image or the video data; and in mobile communication service system, adopt multimedia digital copyright authentication server that image or video data that these have digital watermark information are resolved; authentication; obtain original author's identity thus; the copyright informations such as time that image is original; thereby both can easily obtain original author's copyright information; original author's copyright protection can effectively be implemented; also can be and hit other people malicious person of privacy that takes on the sly strong evidence is provided, therefore have bigger safe meaning.In addition, digital watermark technology of the present invention is a mature technique comparatively in the present present technique field, and system and method for the present invention is transformed less to existing mobile communications system, thereby has characteristics such as method is simple, enforcement is easy, cost is lower.
Description of drawings
Accompanying drawing 1 has the structural principle calcspar of mobile communication terminal of the mobile communication system of digital copyright protecting and authentication for the present invention;
Accompanying drawing 2 has the network configuration topological diagram of mobile communication service system of the mobile communication system of digital copyright protecting and authentication for the present invention;
Accompanying drawing 3 carries out the software flow pattern of digital copyright protecting and authentication for mobile communication system of the present invention.
Embodiment
Below in conjunction with Figure of description and specific embodiment the present invention is described in further detail.
The present invention is applied to mobile communications network with digital watermark technology, thereby image or the video data taken for mobile communication terminal provide effective copyright protection.
A kind of mobile communication system with digital copyright protecting and authentication provided by the present invention comprises mobile communication terminal and mobile communications network service system.
With reference to figure 1, comprise SIM card information reading module 1, wireless communication module 2, memory module 3, camera head 4 and digital watermarking load-on module 5 in the described mobile communication terminal.
Described digital watermarking load-on module 5 adopts digital watermark technology to realize.According to the related art in this area as can be known, described digital watermarking (Digital Watermark) technology is meant to embed unconspicuous mark in digitized data content.The mark that is embedded into is normally invisible maybe can not be examined, but can detect or be extracted by calculating operation.Watermark and source data are combined closely and are hidden wherein, become the inseparable part of source data, and can experience some not destroy the operation of source data use value or commercial value and survive.
According to the purpose and the specification requirement of Information hiding, digital watermarking has following fundamental characteristics:
A. hide property (transparency) watermark information and be in the same place, do not change the memory space of source data with source data is integrated; After watermarked, the source data phenomenon that must significantly not degrade; Watermark information can't be behaved and be seen or hear, can only see or hear source data.
B. after robustness (immunity, robustness) robustness is meant that data after watermarked are through various processing operations and attack operation, do not cause watermark information wherein to be lost or ruined ability.Handling operation comprises: attack operation such as fuzzy, geometry deformation, scaling, compression, format conversion, shearing, D/A and A/D conversion comprise: lossy compression method, multicopy gang up against, shearing attack, explanation attack or the like.
C. fail safe refers to that watermark information hiding position and content are not known, and this need adopt hidden algorithm, and preliminary treatment measures such as (as encrypting) is carried out in watermark.
Described digital watermarking load-on module 5 can be realized with hardware, also can realize with software.Its inner watermarking algorithm can be divided into two big classes again according to the image space difference that watermark embeds: spatial domain watermarking algorithm and frequency domain water mark algorithm, mainly contain two kinds of implementations at present in the world, i.e. LSB (least-significant-bits) mode and frequency domain transform coded system.
Described digital watermarking load-on module 5 gets the relevant information of mobile communication terminal by described SIM card information reading module 1.
In the SIM card of mobile communication terminal, storing following key message:
1.IMSI: international mobile enrollment status information comprises the telecommunications national number, mobile network's numbering, the numbering of portable terminal in this mobile network.
2.TMSI: interim mobile enrollment status information.
3.LAI: mobile network's location area information.
4. telephone number, short message etc.
Described digital watermarking load-on module 5 is obtained message such as IMSI, LAI and system time from SIM card, this message through arrangement, is carried out the information modulation according to certain message format as digital watermark information.Because digital watermark information had better not be oversize, so only select IMSI and two information of LAI and system time message.
In addition, can carry out the length of lossless coding minimizing information such as entropy coding in case of necessity to this information.Therefore, also have pseudo-random generator in the described digital watermarking load-on module 5, be used for digital watermark information is carried out the spread spectrum coding modulation.
Described digital watermarking load-on module 5 is used for the digital watermark information after the coded modulation is loaded into image or the video data that described camera head 4 is taken, described memory module 3 is used to store image or the video data that has loaded digital watermark information, described wireless communication module 2 is used for communicating with described mobile communications network service system, finishes the function such as conversation, short message, sending and receiving mail and sending and receiving image, audio, video data of mobile communication terminal.
With reference to figure 2, described mobile communications network service system is divided into application layer (web services layer), key-course, transport layer and radio access layer.Wherein,
Described application layer comprises value-added network metadatabase (Palay GW) 6, multimedia digital copyright authentication server 7, billing database 8.
Described key-course comprises gateway GPRS (General Packet Radio Service, GPRS) support node (GGSN) 9, Serving GPRS Support Node (SGSN) 10, home subscriber database (HLR) 11, visits ground customer data base (MSC/VLR) 12.
Described transport layer is the key switching loop 13 based on ATM or IP.
Described radio access layer is a radio network controller (RNC) 14.
Mobile communication terminal user 16 is by base station (Node-B) 15 access of radio network controllers 14, thus can with 7 communications of multimedia digital copyright authentication server.In addition, PC also can insert this mobile communication service system by Internet network and Gateway GPRS Support Node 9.
Described multimedia digital copyright authentication server 7 is used to receive from the copyright authentication request of mobile communication terminal user 16 and image or the video data that requires authentication, and resolves the digital watermark information that obtains this image or video data, to carry out copyright authentication.
Described value-added network metadatabase 6 is used for providing to described multimedia digital copyright authentication server 7 according to the digital watermark information that is received user's log-on message.
Described home subscriber database 11 and visit ground customer data base 12 are used for providing to described multimedia digital copyright authentication server 7 according to the digital watermark information that is received the SIM card number of the mobile communication terminal of shooting image that described requirement authenticates or video data.
Described mobile communications network service system is carried out data interaction by Gateway GPRS Support Node 9 and other data network, described Serving GPRS Support Node 10 is used to write down the current location information of mobile communication terminal 16, and finishes the transmission and the reception of mobile packet data between mobile communication terminal 16 and Gateway GPRS Support Node 9.
With reference to the accompanying drawings 3, the method that the present invention provides a kind of mobile communication system to carry out digital copyright protecting and authentication simultaneously comprises digital rights information load step a and digital copyright authentication step b.
When a mobile communication terminal user when using its camera head photographic images or video, will carry out digital rights information load step a.Thereby finish in mobile communication terminal, produce the set of number watermark information by digital watermarking module 5, and be loaded on this mobile communication terminal captured image or video data;
Described digital rights information load step a is specially:
Step a0, the camera head that starts on the mobile communication terminal carry out the shooting of image or video;
The mobile communication terminal identification information of step a1, digital watermarking load-on module reading SIM card stored, and be loaded in described image or the video data as digital watermark information;
Step a2, will be through in the image that loads digital watermarking or the memory module that video data stores mobile communication terminal into.
Step a3, copyright owner (authorship) send this image or video data to other mobile communication terminal or computer by mobile communication service system, thereby finish the propagation of image or video data.
Described digital watermark information can be by IMSI, and LAI and system time constitute, and through the spread spectrum coding modulation treatment.The coding of described digital watermark information and loading method can with prior art in, on computers picture or video are carried out digital watermarking loading algorithm unanimity.
When certain mobile subscriber receives that from another portable terminal one comprises the MMS (multimedia message) of image or one section video data, when perhaps the pc user receives image that portable terminal is taken or video data on the Internet network, can initiate the copyright authentication request to this multimedia digital copyright authentication server of mobile operator, the present invention is with combine digital copyright authentication step b, thereby finish in the mobile communications network service system, receive authentication request information and image or the video data that the copyright authentication requestor sends by multimedia digital copyright authentication server 7, thereby obtain copyright information, and return to the requestor.
Described digital copyright authentication step b is specially:
Step b0, described multimedia digital copyright authentication server 7 receives solicited message that authentication requester send to the mobile communications network service system by Internet network or mobile communications network and image or the video data that needs authentication;
The authority of step b6, affirmation authentication requester if this authentication requester does not authenticate authority, then jumps to step b7, sends refusal information to authentication requester; If the authentication authority is arranged, then enter step b1;
Step b1, described multimedia digital copyright authentication server 7 detect image or the video data that is received, obtain digital watermark information, and resolve this digital watermark information, obtain system time information, international mobile enrollment status information and mobile network's location area information;
Step b2, described multimedia digital copyright authentication server 7 send to the value-added network metadatabase 6 of mobile communications network service system with the international mobile enrollment status information in the described digital watermark information, thereby obtain the photographer's of this image or video data user's registration information;
Step b3, described multimedia digital copyright authentication server 7 send to the mobile network's location area information in the described digital watermark information home subscriber database 11 of mobile communications network service system or visit ground customer data base 12, thereby obtain the photographer's of this image or video data SIM card number;
Step b4, described multimedia digital copyright authentication server 7 return to authentication requester with shooting time, the spot for photography of the image that obtained or video data and the information of taking the user.
As image or video data recipient or network supervision personnel, think that certain image or video data may be for invading the taking on the sly during image of other people privacy, perhaps the copyright of this image is thrown doubt upon and wonder initial spot for photography, when taking people, time, the present invention can realize utilizing the image or the video of the portable terminal shooting of being with camera head to carry out digital copyright management, mark author's information in person simultaneously, shooting time, important informations such as spot for photography.For the mobile communication terminal of managing illegal utilization band camera head carries out taking on the sly of malice; Or prove that original floor and shooting people provide positive evidence, have safe preferably meaning.
Claims (10)
1, a kind of mobile communication system with digital copyright protecting and authentication, comprise mobile communication terminal and mobile communications network service system, described mobile communication terminal has camera head, it is characterized in that: be provided with the digital watermarking load-on module at mobile communication terminal, be used to produce digital watermark information, and mobile communication terminal captured image or video data are carried out the digital watermark information loading; In the mobile communications network service system, be provided with multimedia digital copyright authentication server, be used to receive the image or the video data of copyright authentication request and requirement authentication, and resolve the digital watermark information that obtains this image or video data, to carry out copyright authentication.
2, have digital copyright protecting and authentication mobile communication system according to claim 1, it is characterized in that: described digital watermark information comprises international mobile enrollment status information, mobile network's location area information and system time message.
3; as described in claim 2, have digital copyright protecting and authentication mobile communication system; it is characterized in that: described mobile communications network service system also comprises the value-added network metadatabase; home subscriber database and visit ground customer data base; described value-added network metadatabase is used for providing user's log-on message according to the digital watermark information that is received to described multimedia digital copyright authentication server, described home subscriber database and visit the SIM card number that the ground customer data base is used for providing to described multimedia digital copyright authentication server according to the digital watermark information that is received the mobile communication terminal of the image of taking described requirement authentication or video data.
4, as described in claim 3, have digital copyright protecting and authentication mobile communication system; it is characterized in that: described mobile communications network service system also comprises Gateway GPRS Support Node and Serving GPRS Support Node; described mobile communications network service system is carried out data interaction by Gateway GPRS Support Node and other data network; described Serving GPRS Support Node is used to write down the current location information of mobile communication terminal, and finishes the transmission and the reception of mobile packet data between mobile communication terminal and Gateway GPRS Support Node.
5; as claim 1; 2; 3 or 4 described have digital copyright protecting and the authentication mobile communication system; it is characterized in that: also be provided with the SIM card information reading module in the described mobile communication terminal; wireless communication module and memory module; described digital watermarking load-on module obtains the relevant information of mobile communication terminal by described SIM card information reading module; and digital watermark information is loaded on the image or video data of described camera head shooting; described memory module is used to store image or the video data that has loaded digital watermark information, and described wireless communication module is used for communicating with described mobile communications network service system.
6, have digital copyright protecting and authentication mobile communication system as described in claim 5, it is characterized in that: described digital watermarking load-on module also has pseudo-random generator, is used for digital watermark information is carried out the spread spectrum coding modulation.
7, a kind of mobile communication system is carried out the method for digital copyright protecting and authentication, it is characterized in that: comprise digital rights information load step and digital copyright authentication step, wherein, described digital rights information load step is in mobile communication terminal, produce the set of number watermark information by the digital watermarking module, and be loaded on this mobile communication terminal captured image or video data; Described digital copyright authentication step is in the mobile communications network service system, receive authentication request information and image or the video data that the copyright authentication requestor sends by multimedia digital copyright authentication server, thereby obtain copyright information, and return to the requestor.
8, the method for carrying out digital copyright protecting and authentication as mobile communication system as described in the claim 7, it is characterized in that: described digital rights information load step comprises:
Step a0, the camera head that starts on the mobile communication terminal carry out the shooting of image or video;
The mobile communication terminal identification information of step a1, digital watermarking load-on module reading SIM card stored, and be loaded in described image or the video data as digital watermark information;
Step a2, will be through in the image that loads digital watermarking or the memory module that video data stores mobile communication terminal into.
9, the method for carrying out digital copyright protecting and authentication as mobile communication system as described in the claim 7, it is characterized in that: described digital copyright authentication step comprises:
Step b0, described multimedia digital copyright authentication server receive solicited message that authentication requester sends to the mobile communications network service system by Internet network or mobile communications network and image or the video data that needs authentication;
Step b1, described multimedia digital copyright authentication server detect image or the video data that is received, obtain digital watermark information, and resolve this digital watermark information, obtain system time information, international mobile enrollment status information and mobile network's location area information;
Step b2, described multimedia digital copyright authentication server send to the value-added network metadatabase of mobile communications network service system with the international mobile enrollment status information in the described digital watermark information, thereby obtain the photographer's of this image or video data user's registration information;
Step b3, described multimedia digital copyright authentication server send to the mobile network's location area information in the described digital watermark information home subscriber database of mobile communications network service system or visit the ground customer data base, thereby obtain the photographer's of this image or video data SIM card number;
Step b4, described multimedia digital copyright authentication server return to authentication requester with shooting time, the spot for photography of the image that obtained or video data and the information of taking the user.
10, the method for carrying out digital copyright protecting and authentication as mobile communication system as described in the claim 9; it is characterized in that: described multimedia digital copyright authentication server is before carrying out the digital watermarking parsing; at first confirm the authority of authentication requester; if this authentication requester does not authenticate authority; then return refusal information, and withdraw from identifying procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410096322.7A CN1290349C (en) | 2004-11-30 | 2004-11-30 | Mobile telecommunicating system and method with digital copyright protection and authentication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200410096322.7A CN1290349C (en) | 2004-11-30 | 2004-11-30 | Mobile telecommunicating system and method with digital copyright protection and authentication |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1615034A CN1615034A (en) | 2005-05-11 |
| CN1290349C true CN1290349C (en) | 2006-12-13 |
Family
ID=34766496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200410096322.7A Expired - Fee Related CN1290349C (en) | 2004-11-30 | 2004-11-30 | Mobile telecommunicating system and method with digital copyright protection and authentication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1290349C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2124164A3 (en) * | 2005-10-18 | 2010-04-07 | Intertrust Technologies Corporation | Digital rights management engine system and method |
| KR100725057B1 (en) * | 2005-11-03 | 2007-06-08 | 삼성전자주식회사 | Apparatus and method for video call in portable wireless terminal |
| CN101408923B (en) * | 2007-11-16 | 2011-01-26 | 清华大学 | Method for affirming IP nuclear publishing rights by using digital watermarking technology |
| CN101359989A (en) * | 2008-09-03 | 2009-02-04 | 深圳华为通信技术有限公司 | Method, apparatus and mobile communication terminal generating safe digital photograph |
| CN102377974B (en) * | 2010-08-04 | 2016-01-20 | 中国电信股份有限公司 | A kind of mobile terminal, receiving terminal, video capture method and system |
| CN102378001A (en) * | 2010-08-11 | 2012-03-14 | 中国电信股份有限公司 | Mobile terminal supporting picture live broadcast mode, video live broadcast method thereof and system thereof |
| CN102065096B (en) * | 2010-12-31 | 2014-11-05 | 惠州Tcl移动通信有限公司 | Player, mobile communication equipment, authentication server, authentication system and method |
| CN102685076A (en) * | 2011-03-16 | 2012-09-19 | 中国电信股份有限公司 | Online information protection method and device |
| CN103517224B (en) * | 2012-06-27 | 2019-04-05 | 中兴通讯股份有限公司 | A kind of method and system of control short message forwarding |
| CN104917989A (en) * | 2014-03-11 | 2015-09-16 | 移康智能科技(上海)有限公司 | Hierarchical watermark adding method and system |
| CN105657576A (en) * | 2015-04-30 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Watermark embedding method and device |
| CN110008718A (en) * | 2019-03-01 | 2019-07-12 | 同盾控股有限公司 | A kind of image processing method and terminal |
| CN114499902B (en) * | 2020-11-11 | 2024-02-23 | 北京一砂信息技术有限公司 | Safety camera system based on digital watermarking technology and application method thereof |
-
2004
- 2004-11-30 CN CN200410096322.7A patent/CN1290349C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1615034A (en) | 2005-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1290349C (en) | Mobile telecommunicating system and method with digital copyright protection and authentication | |
| CN1285235C (en) | Method and system of preventing handset from theft by using international id code of mobile facilities | |
| WO2003054702A1 (en) | Location-based content protection | |
| CN1194322C (en) | Content delivery system and copyright protection system and content receiving terminal | |
| CN1602478A (en) | Message screening system and method | |
| CN1968467A (en) | Mobile terminal and terminal user information protection method | |
| CN1926493A (en) | Method and system for linking certificates to signed files | |
| CN1369183A (en) | Method and system for verifying authenticity of first communication participants in communications network | |
| WO2004001540A3 (en) | Method and system for protecting digital objects distributed over a network using an electronic mail interface | |
| CN1956449A (en) | Encipher transmission method and equipment system for preventing cpying data resource | |
| CN1871572A (en) | Binding content to a user | |
| CN1889773A (en) | Mobile phone virtus examining and protecting method and system based on base station | |
| CN1863211A (en) | Content filtering system and method thereof | |
| CN1758596A (en) | Relay device, authentication server, and authentication method | |
| CN1851608A (en) | Method and system for cancelling RO for DRM system | |
| CN110990800A (en) | Watermark processing method and system based on application program | |
| CN1713756A (en) | Security guarantee for memory data information of mobile terminal | |
| CN1750462A (en) | Method for realizing identity identification by mobile terminal | |
| CN1684411A (en) | Method for verifying user's legitimate of mobile terminal | |
| CN1238092A (en) | Method and system for ensuring security of service supplies broadcast on computer network of internet type | |
| CN113079258A (en) | Number privacy protection method, network device and computer storage medium | |
| CN1301034C (en) | Method for handling position information request initiated by user facility | |
| CN1885870A (en) | Caller identity information service system and method | |
| CN1468019A (en) | Method and system for implementing application of cell phone picture and ring in instant communication tools | |
| CN1946229A (en) | Indentifying method for telecommunication smart card and terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061213 Termination date: 20131130 |