CN1997185A - Mobile communication terminal for receiving the watermark information and its system and watermark embedding method - Google Patents
Mobile communication terminal for receiving the watermark information and its system and watermark embedding method Download PDFInfo
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- CN1997185A CN1997185A CNA2005101356917A CN200510135691A CN1997185A CN 1997185 A CN1997185 A CN 1997185A CN A2005101356917 A CNA2005101356917 A CN A2005101356917A CN 200510135691 A CN200510135691 A CN 200510135691A CN 1997185 A CN1997185 A CN 1997185A
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Abstract
This invention relates to one mobile communication terminal and its system and water mark imbed method, wherein, the mobile communication terminal comprises information codes require and send device to send information codes require order to outside; information codes receive device to get information codes from outside; water mark information imbed module to receive digital codes cameral function image data and to receive information codes from information codes and to load the information codes modulation by digital water mark into image data.
Description
[affiliated technical field]
The system and embedding, authentication and the extracting method that the present invention relates to a kind of mobile communication terminal that receives watermark information, form by this mobile communication terminal, particularly relate to a kind of mobile communications network that utilizes and obtain watermark information, and it is embedded in the mobile communication terminal of multi-medium data and the system that is made up of this mobile communication terminal and mobile communications network, and with the embedding from view data of this watermark information, authentication and extracting method.
[background technology]
Because the progressively picture quality that improves and the desktop PC interface of simplification day by day, the mobile phone of setting up multimedia functions such as digital camera has become very popular, for example, mobile phone utilizes this digital camera function can take digitized image, thereby allows you that they are transmitted or print on the color printer by the Internet.But, in today that digital technology is day by day popularized, utilize multi-medium datas such as various software logarithmic code photos to make amendment, edit non-difficult matter, with the digital photograph is example, it is very easy to alter the information that digital photograph writes down, but want photo such as insurance, contract, bill as electronic evidence for some, their true integrality just seems particularly important.Therefore just drawn the problem of the true integrated authentication of digital photograph.In addition, setting up the mobile phone of digital camera functionality day by day popularizes, utilizing the digital camera functionality pictures taken of mobile phone or video image also to become our life brings convenience, but the data of taking by mobile phone can be modified and propagate easily now, can't determine its copyright problem, and for example we also need not only real data in enforcing law, and being added with various true and survivable information with in data, preferably also hiding property, the way that we address this problem realizes by the built-in photo fidelity device of digital camera.
The multimedia photo can not can be revised by various softwares (as Photoshop) and not be found because of the multimedia photo exactly easily as the evidence of court now; And a bit changing arbitrarily in the medical image all may make the doctor state of an illness be done the judgement that makes mistake.Therefore, to the multi-medium data false proof industry institute urgent problem that become in addition, so digital watermark technology by constantly research innovation, utilizes digital watermark technology to prevent that effectively multi-medium data such as digital picture is forged.
The background technology relevant with authentication with digital watermarking can be consulted following several pieces of documents.
[1] Chinese patent literature " to the system and the image modification detection system of image embedding authentication information " application number: 97121196.9, the applying date: 1997.10.27
[2] the Chinese patent literature application number that " uses mobile communication terminal watermarked method and system in multi-medium data ": 200410070878.9, the applying date: 2004.7.23
[3] Chinese patent literature " mobile communication system of a kind of digital copyright protecting and authentication and method " application number: 200410096322.7, the applying date: 2004.11.30
Patent in the document [1] is divided into two zones to multi-medium data, calculate hashed value from one of them zone, utilize the hashed value that obtains the block of pixels coding method to be embedded into another zone of image then, with regional assembled unit two zones are merged to get up again.The shortcoming of this method maximum is exactly that hashed value is calculated by multi-medium data itself fully, but in actual applications, we also need other data necessary also are stored in the watermark information of embedding.
Patent in the document [2] is in mobile communication terminal, personal computer or the base station at mobile communications network, be embedded in the watermark as watermark by the Electronic Serial Number that uses mobile communication terminal, and by the copyright information of Electronic Serial Number as the authentication pictures taken.But, the watermark information that the shortcoming of this patent is to calculate hashed value (being characteristic value) is single, under with the situation of multi-medium data as evidence, shortage can prove the spot of picture record and the foundation of the necessary information authenticities such as time of taking pictures, especially when for example traffic-police utilizes mobile phone to be collected evidence in the scene, can cause situations such as can not get believable actual time, place, policeman's information.
Patent in the document [3] is to embed in the view data that mobile communication terminal is captured the watermark that contains SIM card information is arranged, and when the user receives above-mentioned watermarked view data, this view data can be sent to the copyright authentication server authenticates, by server the SIM card information in the watermark information is extracted, and differentiated copyright ownership.But the problem of this patent is, the user picture is embedded new watermark information, or be sent to the copyright authentication server again after view data altered, the copyright authentication server can't draw correct copyright ownership, and can occur being reluctant disclosed personal information as including in the watermark information according to this patent, but can be this security information is open, thereby have limited its scope of application by the copyright authentication server.
[summary of the invention]
The objective of the invention is to, a kind of mobile communication terminal and mobile communication system of obtained watermark information newly are provided, and utilize this system to embed, the method of authentication and extraction watermark, technical problem to be solved is to utilize mobile communication server and mobile communication terminal to obtain the system that is formed to obtain various information, and be information code with these information issuings, embed in the captured view data of mobile communication terminal with the watermark form, make the view data can the various security informations of safety records, and can be, thereby be suitable for practicality more with the foundation of information code as copyright authentication.
The object of the invention to solve the technical problems realizes by the following technical solutions.But the mobile communication terminal of the embed digital watermark that proposes according to the present invention, comprise the digital camera functional module of obtaining view data, it also comprises: the information code send-request unit, and this information code send-request unit can send the information code request instruction to the outside; The information code receiving system can obtain the information code that the outside provides; And the watermark information merge module, it receives the view data of above-mentioned digital camera functional module output and the information code that receives from the information code receiving system, and information code modulation back is loaded in the view data in the digital watermarking mode.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
But the mobile communication terminal of aforesaid embed digital watermark, described watermark information merge module becomes the character string of ASCII with the data transaction of information code, and it is hidden into the inferior low level of view data.
But the mobile communication terminal of aforesaid embed digital watermark, described watermark information merge module have embedding the view data of information code to carry out secondary digital watermarking loading after information code is embedded in the assigned address of view data again.
But sending the mode of information code request instruction or reception information code, the mobile communication terminal of aforesaid embed digital watermark, described mobile communication terminal can adopt text SMS form or MMS (multimedia message) form.
But the mobile communication terminal of aforesaid embed digital watermark, described information code send-request unit starts the back by microprocessor module in the mobile communication terminal or software trigger in the digital camera functionality module, thereby sends the information code request instruction of solicited message sign indicating number to the outside.
But the mobile communication terminal of aforesaid embed digital watermark, described information code send-request unit are triggered by the button that is set at shutter when the digital camera functionality module starts, thereby send the information code request instruction of solicited message sign indicating number to the outside.
But the mobile communication terminal of aforesaid embed digital watermark, its also be provided with one can log-on message sign indicating number send-request unit button, thereby can before starting shooting work, the digital camera functionality module send the information code request instruction that the information code of message form is stablized in request to the outside.
But the mobile communication terminal of aforesaid embed digital watermark, stable information can comprise the date in identity information, the system time, the regional extent information in the locating information.
But the mobile communication terminal of aforesaid embed digital watermark, described mobile communication terminal are mobile phone.
But the mobile communication terminal of aforesaid embed digital watermark, wherein said information code can comprise at least mobile communication server system time, utilize the wherein arbitrary information of current location information, telephone number, SIM card user's registration information, mobile phone sequence number of Serving GPRS Support Node (SGSN) record mobile communication terminal.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.But the mobile communication system of a kind of embed digital watermark that proposes according to the present invention, it comprises the mobile communication terminal of mobile communication server, band digital camera functional module, wherein, mobile communication terminal also comprises: the information code send-request unit, and this information code send-request unit can send the information code request instruction to the outside; The information code receiving system can obtain the information code that the outside provides; And the watermark information merge module, it receives the view data of above-mentioned digital camera functional module output and the information code that receives from the information code receiving system, and information code modulation back is loaded in the view data in the digital watermarking mode; And mobile communication server comprises: information code request receiver module receives the information code request instruction that above-mentioned information code send-request unit sends; The server process module receives the information code request instruction that process information sign indicating number request receiver module receives, and obtains specified message according to instruction, and will contain the information code output of appointed information; And the information code sending module, the information code of reception server processing module output, and, make the information code receiving system of mobile communication terminal can get access to above-mentioned information code with its transmission.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
But the mobile communication system of aforesaid embed digital watermark, wherein said information code send-request unit can be sent to mobile communication server with the information code request instruction, mobile communication terminal can be downloaded required information code according to the network address specified in the information code request instruction by the connecting of mobile communication server and the Internet.
The object of the invention to solve the technical problems also adopts following technical scheme to realize.The method of a kind of view data embed digital watermark that proposes according to the present invention, it may further comprise the steps: the first step, start the digital camera function that is provided with on the mobile communication terminal, obtain view data; Second step, information code send-request unit send the information code request instruction; The 3rd step, mobile communication server obtain the information code request instruction that mobile communication terminal sends by information code request receiver module, and, mobile communication server is according to this information code request instruction Control Server processing module, make it obtain the information code that contains appointed information in the information code request instruction, and this information code is sent to the information code sending module; The 4th goes on foot, is obtained by the information code receiving system of mobile communication terminal setting the information code of mobile communication server transmission; The 5th step, watermark merge module receive the information code of being obtained by the information code receiving system, and this information code is embedded in the view data of obtaining in the first step as watermark information; And the 6th the step, will load the image data storage of watermark to memory module.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid method, described information code send-request unit can be sent to mobile communication server with the information code request instruction, make the mobile communication terminal can be, and download required information code according to the network address specified in the information code request instruction by the connecting of mobile communication server and the Internet.
Aforesaid method, described mobile communication server can be according to the information code request instructions, and select to send the mode of information code.
Aforesaid method, information code is being comprised as the step that watermark information is embedded in the view data of obtaining in the first step: the character string that earlier data transaction of information code is become ASCII, again it is hidden into the inferior low level of view data, thus the step of the assigned address of embedded images data.
Aforesaid method also comprises after the step of the assigned address that information code is embedded in view data the view data that embeds information code is carried out the step that secondary loads digital watermarking.
Via as can be known above-mentioned, the invention relates to a kind of mobile communication terminal and system and watermark embedding method that receives watermark information.This mobile communication terminal that can receive watermark information comprises: the information code send-request unit, and this information code send-request unit can send the information code request instruction to the outside; The information code receiving system can obtain the information code that the outside provides; And the watermark information merge module, it receives the view data of above-mentioned digital camera functional module output and the information code that receives from the information code receiving system, and information code modulation back is loaded in the view data in the digital watermarking mode.Utilize mobile communication server and mobile communication terminal to obtain the system that is formed and obtain various information, and be information code with these information issuings, embed in the captured view data of mobile communication terminal with the watermark form, make the view data can the various security informations of safety records, and can be with the foundation of information code as copyright authentication.
By technique scheme, but the mobile communication system of the present invention's embed digital watermark and embedding, authentication and extracting method have following advantage at least:
One, mobile communication terminal user can utilize mobile communication terminal and mobile communications network to obtain such as useful informations such as subscriber identity information, temporal information, locating information, above-mentioned information can be loaded in the mode of digital watermarking and utilize in the captured view data of mobile communication terminal, thereby realize useful information being maintained secrecy and being stored in view data safely, and above-mentioned useful information can be accessed when needed, as the important parameter of this picture.
Two, there is the view data of digital watermarking can prove copyright ownership effectively by the mobile communication terminal embedding, also protects individual privacy not revealed.In addition can also be with above-mentioned useful information as the strong evidence of judging the authenticity of picture own, picture shooting position, shooting time etc.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
[description of drawings]
But Fig. 1 is the structural representation of the mobile communication system of embed digital watermark of the present invention.
[embodiment]
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, the mobile communication terminal that utilizes that foundation the present invention is proposed loads its embodiment of system and method, step, feature and the effect thereof of watermark, describe in detail as after.
The present invention is applied to mobile communication technology on the obtaining of digital watermark information, and image or video data that mobile communication terminal is taken can embed authentication information accurately and effectively with the watermark form.
According to the related art in this area as can be known, described digital watermarking (DigitalWatermark) technology is to embed mark in multimedia data contents, the mark person of being to use who is embedded into can't discover by self or find, but can or be extracted its detection by calculating operation.
See also shown in Figure 1, be preferred embodiment of the present invention utilize information code that mobile communication terminal will send by mobile communication server system as watermark information embedded images data, it mainly comprises mobile communication terminal and mobile communication server.Wherein, mobile communication terminal can be used as the device that is independent of said system, receive the outside information code that sends separately, and this information code is embedded in view data as watermark information, below for convenience of description mobile communication terminal is placed mobile communication system, but be not limited to this, and mobile communication terminal can be mobile phone.
Above-mentioned mobile communication terminal comprises: digital camera functional module, its image information that optical system can be obtained are converted into the digital signal line output of going forward side by side; Microprocessor module, it can carry out calculation process to each module of mobile communication terminal; The information code send-request unit, it can be when above-mentioned digital camera functional module output digital signal, and the foreign medium that is triggered to for example mobile communication server etc. by microprocessor module sends the information code request signal; The information code receiving system receives by the above-mentioned information code that foreign medium sent; The watermark information merge module, it receives the view data of digital camera functional module transmission and the information code of sending from the information code receiving system, and, information code is loaded in the captured view data of digital camera functionality module in the watermark mode with the information code modulation; Memory module receives the view data of embed watermark information, and stores.
Above-mentioned mobile communication server comprises: information code request receiver module receives the information code request signal that the information code send-request unit sends; The server process module is after server receives the information code request signal, with put down in writing or the follow the trail of information code output that obtains; The information code sending module, the information code of reception server processing module output, and information code is sent to the information code receiving system.
Particularly, information code between mobile communication server and the mobile communication terminal or information code request instruction can transmit in the following manner:
The information code send-request unit can be sent to mobile communication server with the information code request instruction, mobile communication terminal can be by the connecting of mobile communication server and the Internet, and download according to the network address specified in the information code request instruction and to receive above-mentioned information code.
The information code sending module can be sent to information code the information code receiving system of the mobile communication terminal that sends the information code request instruction.Above-mentioned information code can comprise: the system time that is provided with in the mobile communication server; The locating information of Huo Deing in every way; The SIM card identification information; And mobile phone sequence number.Wherein, the SIM card identification information can comprise: international mobile enrollment status information (IMSI) comprises the telecommunications national number, mobile network's numbering, the numbering of portable terminal in this mobile network; Mobile network's location area information (LAI); Telephone number and corresponding information of registered users.
According to as can be known above-mentioned,, can carry out the length of lossless coding minimizing information such as entropy coding in case of necessity to information code by mobile communication terminal because the information code of reception server processing module output may take more data length.
In addition, above-mentioned mobile communication terminal can be set a specified button, can log-on message sign indicating number send-request unit by this button, thereby stablize information to the mobile communication server request, thus can be before shooting the stable message pick-up of the date in identity information, the system time, the regional extent information in the locating information etc. for example.According to said structure, mobile communication terminal can obtain the stable information of mobile communication server when non-the shooting.And, according to said structure, when stablizing information-change (for example date change etc.), can by mobile communication server automatically will new stable message form the information code receiving system transmission that in mobile communication terminal, is provided with of information code.
The information code send-request unit can trigger in many ways, for example can start the back by microprocessor module or software trigger in the digital camera functionality module, thereby sends the information code request instruction of solicited message sign indicating number to the outside; Can also when the digital camera functionality module starts, trigger, thereby send the information code request instruction of solicited message sign indicating number to the outside by the button that is set at shutter; Can also by be provided with one can log-on message sign indicating number send-request unit button, thereby can be before the digital camera functionality module starts shooting work, send the information code request instruction that the information code of message form is stablized in request to the outside, this stable information can comprise the date in identity information, the system time, the regional extent information in the locating information etc.
The above-mentioned network page form of utilizing mobile communication server that information code or information code request instruction are uploaded comprises HTTP, FTP etc., and can make mobile communication terminal automatically or Be Controlled ground download by WAP (wireless application protocol) modes such as WAP, GPRS.
The mobile communication system of utilizing of the present invention may further comprise the steps the method for the multi-medium data load information sign indicating number of mobile communication terminal acquisition:
The first step, the digital camera function that is provided with on the mobile communication terminal that starts, carry out image taking, after picture signal is through optical system and CCD or CMOS, transfer to the device that obtains the digital signal signal value, this device carries out after the Digital Signal Processing view data being exported to picture signal;
After second device that goes on foot, obtains the digital signal signal value obtained picture signal, microprocessor module control information sign indicating number send-request unit sent the information code request signal;
The 3rd step, mobile communication server obtain the information code request that mobile communication terminal sends by information code request receiver module, and, mobile communication server is according to this information code request instruction Control Server processing module, thereby with specified transmitting to the information code sending module with data such as the corresponding log-on message of mobile communication terminal, locating information, system times in the information code request instruction;
The 4th step, the information code receiving system that is provided with by mobile communication terminal receive the information code that mobile communication server sends;
The 5th step, watermark merge module receive the information code by the output of information code receiving system, and the data of this information code are embedded in the view data, particularly, it is 01 bit string that the data transaction of information code is become ASCII, be hidden into the inferior low level of view data then, thus the assigned address of embedded images data.
The 6th step, the digital watermarking loading work (being secondary watermark load step) that treated view data is divided position, computed image characteristic value and the characteristic value step-by-step is embedded, and the image data storage that will load watermark is to memory module.
Particularly, mobile communication terminal can may further comprise the steps to the mode that mobile communication server sends the information code request instruction: information code request instruction dispensing device connects by wireless communication server and the Internet, the information code request instruction is uploaded on the network address of appointment of the Internet; Information code request receiver module can connect with the Internet by mobile communication server, the network address download message sign indicating number request instruction of login appointment.
Mobile communication server can be according to the certain bits in the information code request instruction, and optionally transmits information code as follows to mobile communication terminal:
The information code sending module can connect with the Internet by mobile communication server, information code is uploaded on the network address of appointment; The information code receiving system can be by the connecting of mobile communication server and the Internet, thereby download above-mentioned information code on the network address of appointment; Or
The information code sending module can be sent to information code on the information code receiving system of the mobile communication terminal that sends the information code request instruction.
Above transmission means only is preferred embodiment of the present invention, also can not repeat them here with aforesaid way by splitting simply or being used in combination.In addition, can include the network address or its code or the coding of appointment in the information code request instruction, read out by the network address of mobile communication server, and information code is uploaded on the network address of this appointment appointment.Mobile communication server can be uploaded to information code on the network address of uploading above-mentioned information code request instruction, and the information code request instruction can be replaced.
Above-mentioned watermark information merge module can be realized with hardware, also can realize with software, and watermarked algorithm can with prior art in, on computers picture or video are carried out digital watermarking loading algorithm unanimity.
Mobile communication terminal user can adopt by base station access of radio network controller (RNC), thereby with the wireless communication server communication, can also insert this mobile communication server by Internet network and Gateway GPRS Support Node (GGSN), and can pass through the current location information that Serving GPRS Support Node (SGSN) writes down mobile communication terminal, and between mobile communication terminal and Gateway GPRS Support Node (GGSN), finish the transmission and the reception of mobile packet data.Also can adopt multiple modes such as text SMS form, MMS (multimedia message) form to carry out transfer of data between mobile communication server and the mobile communication terminal.
When mobile communication terminal user receives view data in some way, mobile communication terminal of the present invention can be verified the copyright information of this view data, and the various information of adding in the digital watermarking can be extracted, the verification process of the view data of this loading digital watermarking can comprise: the step whether the authentication image data are altered; As not altered, then according to the assigned address of embed watermark information, the step that the information code that is embedded in the view data is extracted; With the information code decoding, and the step of output demonstration.
Particularly; in the digital watermarking authentication and extraction step of mobile communication terminal of the present invention to view data; can also comprise: to the affirmation step of authentication people identity; this step can be for carrying out password confirming after starting authenticating step; also can carry out password confirming after identical for confirming as in characteristic value comparison; thereby prevent the unnecessary output of information code, protection copyright owner's personal information.In addition, can also in information code, add identity informations such as SIM card number, mobile phone sequence number, SIM card or copyright owner's fix information, and above-mentioned identity information is embedded in the ad-hoc location of view data, in verification process, at first extract the identity information that is embedded in this ad-hoc location, and, then continue watermark information authentication and extraction work as unanimity with of the identity information comparison of this identity information with when authentication, then carry out password confirming work as inconsistent.In addition, the process of above-mentioned authentication and extraction can also be added in the step of altering the zone that the location is destroyed in the view data in the 5th step.
Above-mentioned preferred embodiment is that view data that the digital camera of mobile communication terminal is captured is watermarked, but be not limited to this, the digital camera functional module can also be replaced with digital equipments such as Digital Video, digital voice recorder, too the multi-medium data that can obtain and load watermark.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the method that can utilize above-mentioned announcement and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification are all still fanned in the scope of technical solution of the present invention.
Claims (17)
- But 1, a kind of mobile communication terminal of embed digital watermark comprises the digital camera functional module of obtaining view data, it is characterized in that it also comprises:The information code send-request unit, this information code send-request unit can send the information code request instruction to the outside;The information code receiving system can obtain the information code that the outside provides; AndThe watermark information merge module, it receives the view data of above-mentioned digital camera functional module output and the information code that receives from the information code receiving system, and information code modulation back is loaded in the view data in the digital watermarking mode.
- But 2, the mobile communication terminal of embed digital watermark according to claim 1 is characterized in that described watermark information merge module becomes the character string of ASCII with the data transaction of information code, and it is hidden into the inferior low level of view data.
- But 3, the mobile communication terminal of embed digital watermark according to claim 2, it is characterized in that described watermark information merge module after information code is embedded in the assigned address of view data, again embedding is had the view data of information code to carry out secondary digital watermarking loading.
- But 4, the mobile communication terminal of embed digital watermark according to claim 1 is characterized in that the mode of described mobile communication terminal transmission information code request instruction or reception information code can adopt text SMS form or MMS (multimedia message) form.
- But 5, the mobile communication terminal of embed digital watermark according to claim 1, it is characterized in that described information code send-request unit starts the back by microprocessor module in the mobile communication terminal or software trigger in the digital camera functionality module, thereby send the information code request instruction of solicited message sign indicating number to the outside.
- But 6, the mobile communication terminal of embed digital watermark according to claim 1, it is characterized in that described information code send-request unit is when the digital camera functionality module starts, trigger by the button that is set at shutter, thereby send the information code request instruction of solicited message sign indicating number to the outside.
- But 7, the mobile communication terminal of embed digital watermark according to claim 1, it is characterized in that its also be provided with one can log-on message sign indicating number send-request unit button, thereby can before starting shooting work, the digital camera functionality module send the information code request instruction that the information code of message form is stablized in request to the outside.
- But 8, the mobile communication terminal of embed digital watermark according to claim 7 is characterized in that the information of stablizing can comprise the date in identity information, the system time, the regional extent information in the locating information.
- But 9, the mobile communication terminal of embed digital watermark according to claim 1 is characterized in that described mobile communication terminal is a mobile phone.
- But 10, the mobile communication terminal of embed digital watermark according to claim 1, it is characterized in that wherein said information code can comprise at least mobile communication server system time, utilize the wherein arbitrary information of current location information, telephone number, SIM card user's registration information, mobile phone sequence number of Serving GPRS Support Node (SGSN) record mobile communication terminal.
- But 11, a kind of mobile communication system of embed digital watermark is characterized in that the mobile communication terminal that it comprises mobile communication server, band digital camera functional module, wherein,Mobile communication terminal also comprises:The information code send-request unit, this information code send-request unit can send the information code request instruction to the outside;The information code receiving system can obtain the information code that the outside provides; AndThe watermark information merge module, it receives the view data of above-mentioned digital camera functional module output and the information code that receives from the information code receiving system, and information code modulation back is loaded in the view data in the digital watermarking mode; AndMobile communication server comprises:Information code request receiver module receives the information code request instruction that above-mentioned information code send-request unit sends;The server process module receives the information code request instruction that process information sign indicating number request receiver module receives, and obtains specified message according to instruction, and will contain the information code output of appointed information; AndThe information code sending module, the information code of reception server processing module output, and, make the information code receiving system of mobile communication terminal can get access to above-mentioned information code with its transmission.
- But 12, the mobile communication system of embed digital watermark according to claim 11, it is characterized in that wherein said information code send-request unit can be sent to mobile communication server with the information code request instruction, mobile communication terminal can be downloaded required information code according to the network address specified in the information code request instruction by the connecting of mobile communication server and the Internet.
- 13, a kind of application mobile communication system as claimed in claim 11 with the method for view data embed digital watermark, is characterized in that may further comprise the steps:The digital camera function that is provided with on the first step, the startup mobile communication terminal is obtained view data;Second step, information code send-request unit send the information code request instruction;The 3rd step, mobile communication server obtain the information code request instruction that mobile communication terminal sends by information code request receiver module, and, mobile communication server is according to this information code request instruction Control Server processing module, make it obtain the information code that contains appointed information in the information code request instruction, and this information code is sent to the information code sending module;The 4th goes on foot, is obtained by the information code receiving system of mobile communication terminal setting the information code of mobile communication server transmission;The 5th step, watermark merge module receive the information code of being obtained by the information code receiving system, and this information code is embedded in the view data of obtaining in the first step as watermark information; AndThe 6th the step, will load the image data storage of watermark to memory module.
- 14, method according to claim 13, it is characterized in that described information code send-request unit can be sent to mobile communication server with the information code request instruction, make the mobile communication terminal can be, and download required information code according to the network address specified in the information code request instruction by the connecting of mobile communication server and the Internet.
- 15, method according to claim 13 is characterized in that described mobile communication server can be according to the information code request instruction, and selects to send the mode of information code.
- 16, method according to claim 13, it is characterized in that information code is being comprised as the step that watermark information is embedded in the view data of obtaining in the first step: the character string that earlier data transaction of information code is become ASCII, again it is hidden into the inferior low level of view data, thus the step of the assigned address of embedded images data.
- 17, method according to claim 16 is characterized in that also comprising after the step of the assigned address that information code is embedded in view data the view data that embeds information code is carried out the step that secondary loads digital watermarking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101356917A CN1997185A (en) | 2005-12-31 | 2005-12-31 | Mobile communication terminal for receiving the watermark information and its system and watermark embedding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101356917A CN1997185A (en) | 2005-12-31 | 2005-12-31 | Mobile communication terminal for receiving the watermark information and its system and watermark embedding method |
Publications (1)
| Publication Number | Publication Date |
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| CN1997185A true CN1997185A (en) | 2007-07-11 |
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| CNA2005101356917A Pending CN1997185A (en) | 2005-12-31 | 2005-12-31 | Mobile communication terminal for receiving the watermark information and its system and watermark embedding method |
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| CN (1) | CN1997185A (en) |
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