CN100428259C - Method and system of preventing digital watermark losing in content adapting and digital copyright center - Google Patents
Method and system of preventing digital watermark losing in content adapting and digital copyright center Download PDFInfo
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- CN100428259C CN100428259C CNB2006100635062A CN200610063506A CN100428259C CN 100428259 C CN100428259 C CN 100428259C CN B2006100635062 A CNB2006100635062 A CN B2006100635062A CN 200610063506 A CN200610063506 A CN 200610063506A CN 100428259 C CN100428259 C CN 100428259C
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Abstract
The invention supplies digital watermarking losing preventing method in content adapting. It includes the following steps: transmitting original digital content to digital copyright center to store after the first inserting digital watermarking for the original digital content in content enrolling center; transmitting the original digital content to the content adapting server to adapt the content while receiving the digital watermarking testing and content adapting request; the second inserting digital watermarking for the adapted digital content. The invention also discloses the system and digital copyright center. It can avoid digital watermarking from destroying or losing in content adapting.
Description
Technical field
The present invention relates to the data security technology in the communications field, particularly a kind of method, system and digital publishing rights center that prevents that in content adaptation digital watermarking from losing.
Background technology
Along with the rapid renewal of electronics and mechanics of communication, in media file, use content adaptation and digital watermark technology also more and more widely.With the multimedia message is example, the terminal of MMS is from each different vendor, different in design models has different abilities and characteristic, possess different media formats processing power and characteristic, in the operation flow of point-to-point, and mail is to point, be applied in the flow process a little, the capital occurs that the source Multimedia Message can not be handled by the purpose terminal recognition or the situation of normal play, for example: transmit leg mobile phone Nokia6600 supports video record, can take one section video, form is video/3gp, when this message by the MMSC success send to take over party's mobile phone Panasonic GD88 after, PanasonicGD88 does not support video format.Content adaptation is exactly for addressing this problem, cooperate any message that sends to terminal of inspection by MMS center and content adaptation services device, if find to exist in the message the unsupported media elements of this terminal, then must be undertaken adaptively to such media elements by termination property, it can normally be shown on terminal.Digital watermark technology is a kind of technology of utilizing the redundancy of medium such as image and sound, insert the information that is difficult for discovering in the information content.Just having embedded some in Digital Media hides Info.By in medium, inserting copyright information or content owner's information, protect the copyright of medium, but do not influence the result of use of medium self.At present,, can support the convergent-divergent, rotation in the certain limit and guarantee that digital watermarking do not lose, can not prevent to gang up against (as: after the rotation convergent-divergent) again and recompile attack though digital watermarking algorithm has certain robustness.If when the MMS content adaptation, use digital watermarking, the content adaptation services device carries out the destruction that size change over, size conversion, file layout conversion or recompile all can cause digital watermarking, cause to extract watermark, and further cause digital watermark to lose efficacy.Therefore, in the prior art, content adaptation and digital watermark technology can't be used.
Summary of the invention
In view of this, the invention provides a kind of method that digital watermarking is lost that in the process of content adaptation, prevents, the specific implementation process of this method is: when digital watermarking detection and content adaptation request are received in described digital publishing rights center, the content that receives is carried out digital watermarking to be detected, and will the original digital content corresponding send to the content adaptation services device and carry out content adaptation, and embed digital watermark for the second time in the digital content after content adaptation with the described content that receives.
The described content that receives is by content registration center content behind the embed digital watermark for the first time in original digital content.
The described original digital content corresponding with the content that receives restored the content that receives by the digital publishing rights center and obtained.
The content that receives is carried out the digital watermarking detection specifically to be comprised: from the content that receives, extract digital watermarking, detect, and the record testing result.
Store and the corresponding original digital content of the described content that receives in advance at the digital publishing rights center, specifically comprise: the content registration center is to the original digital content embed digital watermark first time time, for described original digital content is distributed ID, be recorded in the described digital watermarking, and described original digital content is sent to the digital publishing rights center store, store described ID simultaneously;
When digital watermarking detection and content adaptation request were received in described digital publishing rights center, the ID that comprises according to the digital watermark information that extracts searched original digital content.
Original digital content is carried out when adaptive, reserve embed digital watermark requisite space for the second time.
The present invention also provides a kind of Multimedia Message that utilizes to prevent the method that digital watermarking is lost in content adaptation, is specially:
When the copyright center receives the digital watermarking detection submitted at the Multimedia Message center and content adaptation request, search the original digital content corresponding with described Multimedia Message, described original digital content is sent to the content adaptation services device carry out content adaptation, and to the embed digital watermark second time of the digital content after the content adaptation.
Described original digital content is before being packaged into Multimedia Message and the not digital content of embed digital watermark of Multimedia Message.
Also comprised before the copyright center receives the digital watermarking detection submitted at the Multimedia Message center and content adaptation request: the content registration center is to original digital content embed digital watermark for the first time, and described original digital content is sent to the digital publishing rights center stores.
In first time during embed digital watermark, distribute ID for described original digital content, be recorded in the described digital watermarking, and when the described original digital content of storage, store described ID; When searching the original data content corresponding, search according to described ID with described Multimedia Message.
Before searching the original digital content corresponding, also comprise: extract digital watermarking according to described digital watermarking detection and content adaptation request, described digital watermarking is detected, the record testing result with described Multimedia Message.
The digital publishing rights center sends to the content adaptation services device when carrying out content adaptation with described original digital content, described original digital content is packaged into Multimedia Message sends to the content adaptation services device.
The original digital content that is packaged into Multimedia Message is carried out when adaptive, reserve embed digital watermark requisite space for the second time.
Wherein, also comprise behind the embed digital watermark for the second time: judge whether the original digital content that is packaged into Multimedia Message size behind second time embed digital watermark exceeds terminal capability, if exceed, then embed watermark failure, otherwise testing result and the Multimedia Message behind the embed digital watermark are for the second time returned in mind-set Multimedia Message center in the described digital publishing rights.
The present invention also provides a kind of Multimedia Message that utilizes to prevent the system that digital watermarking is lost in content adaptation, comprising:
The Multimedia Message center is used for to digital watermarking detection and/or the content adaptation request of digital publishing rights center initiation to Multimedia Message;
The digital publishing rights center is used to preserve the original digital content before the embed digital watermark, and described original digital content is packaged into Multimedia Message sends to the content adaptation services device and carry out content adaptation, and to the Multimedia Message after adaptive embed digital watermark again;
The content adaptation services device carries out content adaptation to described Multimedia Message.
Described system also comprises: the content registration center is used for original digital content embed digital watermark for the first time, and described original digital content is sent to the digital publishing rights center stores.
Described content registration center can be arranged on the digital publishing rights center.
Described original digital content is before being packaged into Multimedia Message and the not digital content of embed digital watermark of Multimedia Message.
The present invention also provides a kind of digital publishing rights center that prevents that in content adaptation digital watermarking from losing, and comprising:
Data memory module is used to store original data content;
Detection module is used for that Multimedia Message is carried out digital watermarking and detects;
Data processing module, be used for searching original data content in the data storage cell according to the digital watermark information of digital watermarking and content adaptation request, described original data content is packaged into Multimedia Message sends to external unit and carry out content adaptation, to the Multimedia Message after content adaptation embed digital watermark again.
Described original digital content is before being packaged into Multimedia Message and the not digital content of embed digital watermark of Multimedia Message.
Described digital publishing rights center also comprises: the content registration module is used for storing data memory module into to the original digital content embed digital watermark first time and with described original contents.
In sum, the present invention is by embed digital watermark again in the digital content after content adaptation, can prevent that the digital watermarking that causes in the content adaptation process from losing or damage; Owing to be that original digital content is carried out content adaptation and embed digital watermark again, can avoid repeatedly embed watermark and cause the watermark distortion of same content quilt.
Description of drawings
Fig. 1 is the system construction drawing of one embodiment of the invention
Fig. 2 is the content registration process flow diagram of one embodiment of the invention
Fig. 3 is the digital watermarking detection and the content adaptation process flow diagram of one embodiment of the invention
Embodiment
In order to make those skilled in the art person can better understand the present invention program, the present invention is described in further detail below in conjunction with drawings and Examples.
Core of the present invention is: when the digital publishing rights center receives digital watermarking detection and content adaptation request, the content that receives is carried out digital watermarking to be detected, and will the original digital content corresponding send to the content adaptation services device and carry out content adaptation with the described content that receives, again to the digital content after content adaptation embed digital watermark again, destroyed or lose in the content adaptation process to prevent digital watermarking.
Wherein, the content that the digital publishing rights center receives is to offer the digital content that the user uses again after submitting to content registration center embed digital watermark by SP.When the digital publishing rights center receives digital watermarking detection and content adaptation request, can be by removing the original digital content before digital watermarking in the content that receives obtains embed digital watermark; During the original digital content embed digital watermark also can be SP submitted at the content registration center, for original digital content is distributed an ID, and be recorded in the digital watermarking, original digital content being sent to the digital publishing rights center stores again, store this ID simultaneously, when the digital publishing rights center receives digital watermarking detection and content adaptation request, by from the digital content that receives, extracting digital watermarking, find the original digital content that is stored in the digital publishing rights center according to the ID that stores in the digital watermarking.
Now be that example describes in detail to the present invention program with MMS.
As shown in Figure 1, Fig. 1 shows Multimedia Message and prevent the system architecture that watermark is lost in the content adaptation process, and this system comprises: digital publishing rights center and coupled Multimedia Message center, content adaptation services device, content registration center.Wherein, the content registration center can independently be provided with also can be arranged on the digital publishing rights center, be used to receive original digital content and the embed digital watermark request that SP submits to, digital content behind the embed digital watermark is returned to SP, and the original digital content that SP submits to is sent to the digital publishing rights center store.The Multimedia Message center, to digital watermarking detection and/or the content adaptation request of digital publishing rights center initiation to Multimedia Message, this Multimedia Message is the digital content that SP registered at the content registration center when receiving the Multimedia Message that the user submits to.The digital publishing rights center, be used to store the original digital content that receives from the content registration center, when digital watermarking detection that receives the transmission of Multimedia Message center and content adaptation request, find the corresponding original digital content of the Multimedia Message with receiving of local storage, this original digital content is packaged into Multimedia Message sends to the content adaptation services device and carry out content adaptation, and to the Multimedia Message after adaptive embed digital watermark again.The content adaptation services device is used for the Multimedia Message that receives from the digital publishing rights center is carried out content adaptation.Can adopt http protocol to carry out alternately between content adaptation services device and the digital publishing rights center, the digital publishing rights center is as the client of HTTP, and the content adaptation services device is as service end.Also can adopt http protocol between Multimedia Message center and the digital publishing rights center, the digital publishing rights center is as the service end of HTTP, and the Multimedia Message center is as client.Interface message between Multimedia Message center and the digital publishing rights center partly is that message body is partly transmitted at the BODY of HTTP message all, and its message body is defined as follows by level:
| Operational circumstances | Request message | Response message |
| Watermark detection | Comprise " DRM request header "+" media elements " | Comprise " DRM head response " |
| Content adaptation | Comprise " DRM request header "+" content adaptation request header "+" media elements "; | Comprise " DRM head response "+" content adaptation head response "+" media elements "; The content adaptation failure does not then have " media elements " part; |
| Watermark detection+content adaptation | Comprise " DRM request header "+" content adaptation request header "+" media elements " | Comprise " DRM head response "+" content adaptation head response "+" media elements "; The content adaptation failure does not then have " media elements " part |
As seen from the above table, the request message of Multimedia Message center transmission comprises three kinds of situations:
Digital watermarking detects request: comprise " DRM request header "+" media elements " in this request message;
Content adaptation request: comprise in this request message " DRM request header "+" content adaptation request header "+" media elements ";
Digital watermarking detection and content adaptation request: comprise in this request message " DRM request header "+" content adaptation request header "+" media elements ".
The message structure of request message DRM5_AuthenticateReq is defined as follows:
| Message unit | The field requirement | Field type | Explanation |
| OffsetOfMM | M | Int | Multimedia Message solid offsetting amount (MMContents) |
| Opertaor_Ty pe | M | Byte | 1: only carry out watermark detection 2: carry out watermark detection and content adaptation 3 simultaneously: only carry out content adaptation 4-: wait to expand |
| Message_ID | M | Char (3 2) | Preceding 21 effectively, identify a MM. |
| Transaction ID | M | Char (2 8) | The once complete mutual session id of MMSC and DRMC is produced by MMS center, and DRMC returns. |
| Message_typ e | M | Byte | With this message identifier is the DRM5_AuthenticateReq request.Wherein: 128 expression DRM5_AuthenticateReq, 129 expression DRM5_AuthenticateResp scopes are [128,135] |
| MMSC_ID | M | Char (3 2) | MMS center indicates, and follows the coded system of MMS center |
| Sender_addr es | M | Char (2 4) | The address of MM originators.Be phone number/SPID |
| Receiver_ad dress | M | Char (2 4) | MM take over party address. |
| Date_And_Ti | M | Char (1 | The time of MO (timestamp). |
| me | 4) | Form is: Yyyymmddhhmmss | |
| CAHeadRes | O | Elongated | The content adaptation request header |
| MMContents | M | Elongated | Multimedia Message comprises the Content-type field |
The digital publishing rights center judges promptly that according to the required action type of the judgement of the Opertaor_Type field in the request message this message is that digital watermarking detects request or content adaptation request or digital watermarking detection and content adaptation request.
Same, the response message that the digital publishing rights center returns to the Multimedia Message center also divides three kinds of situations:
Digital watermarking detects response: comprise " DRM head response " in this response message;
The content adaptation response: comprise in this response message " DRM head response "+" content adaptation head response "+" media elements ", the content adaptation failure does not then have " media elements " part;
Digital watermarking detection and content adaptation response: comprise in this response message " DRM head response "+" content adaptation head response "+" media elements ", the content adaptation failure does not then have " media elements " part.
The message structure of response message DRM5_AuthenticateResp is defined as follows:
| Message unit | The field requirement | Field type | Explanation |
| OffsetOfMM | M | Int | Multimedia Message solid offsetting amount does not fill in-1 when having message body |
| Transactio nID | M | Char (28) | The once complete mutual session id of MMSC and DRMC is produced by MMS center. |
| Message_ty pe | M | Byte | With this message identifier is the DRM5_AuthenticateResp request.Wherein: 128 expression DRM5_AuthenticateReq, 129 expression DRM5_AuthenticateResp spans are: [128,135] |
| Request_St atus | M | Byte | The state that Message Processing is finished, the indication of implicit delivery status (is not only filled in watermark detection |
| The result, the result of content adaptation is realized by content adaptation decoding).Wherein: 128 expression OK, 129 expression Error-Database-Failed, 130 expression Error-System-Failed spans are: [128,130] | |||
| ContentNum | M | Byte | This field is controlled follow-up two field occurrence numbers [0,200] |
| Seq | M | Byte | The element numbering |
| SN | M | Char (24) | Watermark ID |
| CAHeadRes | O | Elongated | The content adaptation head response |
| MMContents | O | Elongated | The Multimedia Message part under the situation that does not need the failure of content adaptation or content adaptation, does not have this field |
As shown in Figure 1, the digital publishing rights center comprises: data memory module is used to store the original data content that receives from the content registration center; Data processing module, be used for digital watermarking detection and content adaptation request according to the transmission of Multimedia Message center, extract the digital watermarking in the Multimedia Message, this digital watermarking is sent to detection module to be detected, and search the corresponding original digital content of Multimedia Message of storing in the data storage cell with receive according to digital watermark information, this original data content is packaged into Multimedia Message to send to the content adaptation services device and carries out content adaptation, to the Multimedia Message after content adaptation embed digital watermark again, return to the Multimedia Message center; Detection module is used for that the Multimedia Message that receives is carried out digital watermarking and detects, and testing result is sent to data processing module; In addition, when the request message that receives when the digital publishing rights center had polytype, the digital publishing rights center can also comprise judge module, was used to judge the type of request message, and this module also can be arranged in the data processing module.The digital publishing rights center can also comprise the content registration module, and this module is used to realize the function at content registration center, is about to the content registration center and is arranged in the digital publishing rights at heart.
Still be that example describes prevent the flow process that digital watermarking is lost in the content adaptation process, comprise: content registration flow process and digital watermarking detection and content adaptation flow process with MMS.
As shown in Figure 2, Fig. 2 is the content registration process flow diagram, may further comprise the steps:
Step 200:SP submits original digital content to by the content registration center, the request embed digital watermark;
Step 201: the content registration center is to the original digital content embed digital watermark;
This is an embed digital watermark for the first time in original digital content, in embed digital watermark, distribute ID for this original digital content, this ID is recorded in respectively in digital watermarking and the original digital content, this ID can be recorded in the Content id field of digital watermark information.
Step 203: the digital content of embed digital watermark is returned SP;
SP can be packaged into the digital content of embed digital watermark Multimedia Message and offer user's use.
Step 204: the original digital content that SP is submitted at the content registration center to sends to the digital publishing rights center and stores.
The digital publishing rights center saves as the ID of its distribution when preserving original digital content.
As shown in Figure 3, Fig. 3 is digital watermarking detection and content adaptation flow process, may further comprise the steps:
Step 301: mind-set digital publishing rights center sends the DRM5_AuthenticateReq request message in the Multimedia Message;
Step 302: the digital publishing rights center carries out the digital watermarking detection according to the request message that receives and original digital content reads;
When the digital publishing rights center receives the DRM5_AuthenticateReq request message, at first judge the type of this request message, if being digital watermarking, this request message detects request, then the digital watermarking detecting operation is only carried out to the Multimedia Message that receives in the digital publishing rights center, and testing result is returned to Multimedia Message center and process ends; If this request message is the content adaptation request, then the digital publishing rights center is transparent to the content adaptation services device with the Multimedia Message that receives and carries out content adaptation, and the Multimedia Message after the content adaptation is returned to Multimedia Message center, process ends; If this request message is digital watermarking detection and content adaptation request, then carry out the digital watermarking detection and original digital content reads according to the request message that receives.Wherein, information such as the type of the media elements of the Multimedia Message that can submit to according to the user of Multimedia Message center, size, form are judged the request that sends which kind of type.The media elements of the Multimedia Message that sends as: user is provided by SP, and the size of media elements, form etc. have exceeded the ability of receiving terminal, and then the Multimedia Message center can send and comprise digital watermarking detection and two kinds of request of operating of content adaptation; If the non-SP of media elements of the Multimedia Message that the user sends provides, and the size of media elements, form etc. have exceeded the ability of receiving terminal, and then the Multimedia Message center can send and include only the content adaptation request of operating; The media elements of the Multimedia Message that the user sends is provided by SP, and the size of media elements, form etc. do not exceed the ability of receiving terminal, and then the Multimedia Message center can send the request that includes only the digital watermarking detecting operation.
The digital publishing rights center extracts digital watermarking from Multimedia Message, utilize the coherent detection algorithm that digital watermarking is detected, write down testing result, and search the corresponding original digital content of the Multimedia Message with receiving that is stored in this locality according to the ID in the digital watermarking.
Step 303: the digital publishing rights center sends the content adaptation request to the content adaptation services device;
The digital publishing rights center is packaged into Multimedia Message again with the original digital content that finds, and when " media elements " part of this Multimedia Message is encoded to single message body, can write down the digital watermarking ID of this media elements in message body; When " media elements " part of this Multimedia Message is encoded to many message bodies, can be at the digital watermarking ID of the Headers of each media elements partial record corresponding to media elements.The digital publishing rights center is carried at this Multimedia Message and sends to the content adaptation services device in the content adaptation request.Wherein, digital watermarking ID can be the ID that is distributed when the embed digital watermark of content registration center, also can be the ID that the time redistributes in encapsulation, but the digital watermark information among the ID that this ID is distributed need contain content registration center embed digital watermark the time.
Step 304: the content adaptation services device carries out after the content adaptation to the adaptive response of digital publishing rights center returned content the Multimedia Message of receiving.
In the process of content adaptation, the content adaptation services device is again that embed digital watermark is reserved certain digital watermarking surplus.Support the picture of 30K size as: mobile phone, picture size is 50K, and the content adaptation services device is joined picture when adaptive and is 25K, keeps 5K as the digital watermark information increment.The digital watermarking ID and the Multimedia Message that write down in the content adaptation response Multimedia Message that the content adaptation services device returns keep corresponding relation.
Step 305: the Multimedia Message of digital publishing rights center after to content adaptation be embed digital watermark again;
This is to carry out the digital watermarking embedding operation for the second time, in order to increase the fault tolerance at digital publishing rights center, the digital publishing rights center can also be behind embed digital watermark again, judge whether the Multimedia Message behind the embed digital watermark exceeds the mobile phone terminal ability, if exceed the mobile phone terminal ability then think embed watermark failure, otherwise the Multimedia Message behind the embed digital watermark returns to the Multimedia Message center again.
Step 306: the DRM5_AuthenticateResp response is returned at mind-set Multimedia Message center in the digital publishing rights.
The digital publishing rights center is carried the digital watermarking testing result and has been embedded the Multimedia Message of digital watermarking again in the DRM5_AuthenticateResp response of returning.
As seen, in an embodiment of the present invention, by to the original digital content of Multimedia Message after the content adaptation again embed watermark avoided in the content adaptation process digital watermarking destroyed or lose, and when content adaptation, reserve again the space of embed digital watermark, avoided again the Multimedia Message behind the embed digital watermark to exceed the size that mobile phone terminal is supported.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being made, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1, a kind of method that prevents that in content adaptation digital watermarking from losing, it is characterized in that, when digital watermarking detection and content adaptation request are received in the digital publishing rights center, the content that receives is carried out digital watermarking to be detected, and will the original digital content corresponding send to the described content that receives the content adaptation services device carry out in the visitor adaptive, and embed digital watermark for the second time in the digital content after content adaptation.
2. method according to claim 1 is characterized in that, the described content that receives is by content registration center content behind the embed digital watermark for the first time in original digital content.
3, method according to claim 2 is characterized in that, the described original digital content corresponding with the content that receives restored the content that receives by the digital publishing rights center and obtained.
4, method according to claim 2 is characterized in that, the content that receives is carried out the digital watermarking detection specifically comprise: from the content that receives, extract digital watermarking, detect, and the record testing result.
5, method according to claim 4, it is characterized in that, store and the corresponding original digital content of the described content that receives in advance at the digital publishing rights center, specifically comprise: the content registration center is to the original digital content embed digital watermark first time time, for described original digital content is distributed ID, be recorded in the described digital watermarking, and described original digital content is sent to the digital publishing rights center store, store described ID simultaneously;
When digital watermarking detection and content adaptation request were received in described digital publishing rights center, the ID that comprises according to the digital watermark information that extracts searched original digital content.
6, method according to claim 1 is characterized in that, original digital content is carried out when adaptive, reserves embed digital watermark requisite space for the second time.
7, a kind of Multimedia Message that utilizes prevents the method that digital watermarking is lost in content adaptation, it is characterized in that,
When the copyright center receives the digital watermarking detection submitted at the Multimedia Message center and content adaptation request, search the original digital content corresponding with described Multimedia Message, described original digital content is sent to the content adaptation services device carry out content adaptation, and to the embed digital watermark second time of the digital content after the content adaptation.
8, method according to claim 7 is characterized in that, described original digital content is before being packaged into Multimedia Message and the not digital content of embed digital watermark of Multimedia Message.
9, method according to claim 8, it is characterized in that, also comprised before the copyright center receives the digital watermarking detection submitted at the Multimedia Message center and content adaptation request: the content registration center is to original digital content embed digital watermark for the first time, and described original digital content is sent to the digital publishing rights center stores.
10, method according to claim 9 is characterized in that, in first time during embed digital watermark, distributes ID for described original digital content, is recorded in the described digital watermarking, and stores described ID when the described original digital content of storage; When searching the original data content corresponding, search according to described ID with described Multimedia Message.
11, method according to claim 10, it is characterized in that, before searching the original digital content corresponding, also comprise: extract digital watermarking according to described digital watermarking detection and content adaptation request with described Multimedia Message, described digital watermarking is detected the record testing result.
12, according to each described method of claim 7-11, it is characterized in that, the digital publishing rights center sends to the content adaptation services device when carrying out content adaptation with described original digital content, described original digital content is packaged into Multimedia Message sends to the content adaptation services device.
13, method according to claim 12 is characterized in that, the original digital content that is packaged into Multimedia Message is carried out when adaptive, reserves embed digital watermark requisite space for the second time.
14, method according to claim 12, it is characterized in that, also comprise behind the embed digital watermark in the second time: judge whether the original digital content be packaged into Multimedia Message size behind second time embed digital watermark exceeds terminal capability, if exceed, then embed watermark failure, otherwise testing result and the Multimedia Message behind the embed digital watermark are for the second time returned in mind-set Multimedia Message center in the described digital publishing rights.
15, a kind of Multimedia Message that utilizes prevents the system that digital watermarking is lost in content adaptation, it is characterized in that, comprising:
The Multimedia Message center is used for to digital watermarking detection and/or the content adaptation request of digital publishing rights center initiation to Multimedia Message;
The digital publishing rights center is used to preserve the original digital content before the embed digital watermark, and described original digital content is packaged into Multimedia Message sends to the content adaptation services device and carry out content adaptation, and to the Multimedia Message after adaptive embed digital watermark again;
The content adaptation services device carries out content adaptation to described Multimedia Message.
16, system according to claim 15 is characterized in that, described system also comprises:
The content registration center is used for original digital content embed digital watermark for the first time, and described original digital content is sent to the digital publishing rights center stores.
17, system according to claim 16 is characterized in that, described content registration center can be arranged on the digital publishing rights center.
According to each described system of claim 15-17, it is characterized in that 18, described original digital content is before being packaged into Multimedia Message and the not digital content of embed digital watermark of Multimedia Message.
19, a kind of digital publishing rights center that prevents that in content adaptation digital watermarking from losing is characterized in that, comprising:
Data memory module is used to store original data content;
Detection module is used for that Multimedia Message is carried out digital watermarking and detects;
Data processing module, be used for searching original data content in the data storage cell according to the digital watermark information of digital watermarking detection and content adaptation request, described original data content is packaged into Multimedia Message sends to external unit and carry out content adaptation, to the Multimedia Message after content adaptation embed digital watermark again.
20, digital publishing rights according to claim 19 center is characterized in that, described original digital content is before being packaged into Multimedia Message and the not digital content of embed digital watermark of Multimedia Message.
21, digital publishing rights according to claim 20 center is characterized in that, also comprises: the content registration module is used for original digital content embed digital watermark and store described original contents into data memory module for the first time.
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| US20040091111A1 (en) * | 2002-07-16 | 2004-05-13 | Levy Kenneth L. | Digital watermarking and fingerprinting applications |
| CN1531710A (en) * | 2001-07-03 | 2004-09-22 | �ʼҷ����ֵ�������˾ | Enhanced watermark computing method |
| US20050025339A1 (en) * | 2000-06-27 | 2005-02-03 | Kabushiki Kaisha Toshiba | Electronic watermark detection apparatus and method |
| CN1635821A (en) * | 2003-12-31 | 2005-07-06 | 统宝光电股份有限公司 | Organic luminous display panel |
| CN1659579A (en) * | 2002-06-05 | 2005-08-24 | 索尼电子有限公司 | Method and apparatus to detect watermark that are resistant to resizing, rotation and translation |
| WO2006081585A2 (en) * | 2005-01-27 | 2006-08-03 | Sarnoff Corporation | Method and apparatus for providing improved workflow for digital watermarking |
-
2006
- 2006-11-02 CN CNB2006100635062A patent/CN100428259C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050025339A1 (en) * | 2000-06-27 | 2005-02-03 | Kabushiki Kaisha Toshiba | Electronic watermark detection apparatus and method |
| CN1531710A (en) * | 2001-07-03 | 2004-09-22 | �ʼҷ����ֵ�������˾ | Enhanced watermark computing method |
| CN1659579A (en) * | 2002-06-05 | 2005-08-24 | 索尼电子有限公司 | Method and apparatus to detect watermark that are resistant to resizing, rotation and translation |
| US20040091111A1 (en) * | 2002-07-16 | 2004-05-13 | Levy Kenneth L. | Digital watermarking and fingerprinting applications |
| CN1635821A (en) * | 2003-12-31 | 2005-07-06 | 统宝光电股份有限公司 | Organic luminous display panel |
| WO2006081585A2 (en) * | 2005-01-27 | 2006-08-03 | Sarnoff Corporation | Method and apparatus for providing improved workflow for digital watermarking |
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