CN102968758B - The processing method of digital watermarking and system - Google Patents
The processing method of digital watermarking and system Download PDFInfo
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- CN102968758B CN102968758B CN201210545395.4A CN201210545395A CN102968758B CN 102968758 B CN102968758 B CN 102968758B CN 201210545395 A CN201210545395 A CN 201210545395A CN 102968758 B CN102968758 B CN 102968758B
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Abstract
The invention discloses processing method and the system of a kind of digital watermarking.Wherein, the method includes: digital carrier processor calls watermark inserter；When digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers watermark inserter and obtains watermark information；Watermark information is write the first digital carrier by watermark inserter, to obtain the second digital carrier carrying watermark information.By the present invention, solve and prior art needs user manually implant digital watermarking so that digital watermarking the strongest disguised problem, it is achieved that automatically implant the effect of digital watermarking in digital carrier, enhance the disguise of digital watermarking implantation process.
Description
Technical field
The present invention relates to information security field, in particular to processing method and the system of a kind of digital watermarking.
Background technology
Digital watermarking is a kind of Information Hiding Techniques, is to be directly embedded in digital carrier by some identification informations, but has no effect on the use value of digital carrier.Digital watermarking is not easy loaded body user and finds out and revise, but can be by watermark Producer identification and identification.Producer can be confirmed creator of content, buyer, transmission secret information by the digital watermark information being hidden in digital carrier or judged whether carrier is tampered.
Traditional digital watermark technology comprises two basic operation processes of implantation and extraction of watermark.So-called digital watermarking implantation process refers to add watermark information to the process of digital carrier；The process (can also develop after separation and the checking procedure of digital watermarking) that process refers to separate watermark information with digital carrier is extracted in so-called digital watermarking.
Existing digital watermark technology needs to perform digital watermarking implantation process by specific instrument is manual, and this process is to some application scenario and inapplicable.Under some specific occasion, the implantation process needing watermark completes automatically, need that the user making digital carrier is imperceptible has digital watermark information to be implanted in digital carrier, the implantation process of digital watermarking fully transparentization for the user of digital carrier, thus the more preferable hidden purpose reached.
Audit operation also rest on simultaneously for the service condition of digital carrier peripheral monitors upper (such as: based on documentation level open, the operation audit such as closedown) more, it is impossible to more accurately, the various operation of audit of refinement and operating result.Traditional audit means so that audit information is stored separately with digital carrier, are unfavorable for some occasion needing directly to be extracted audit information by digital carrier.
Manually implant digital watermarking for prior art needs user so that digital watermarking the strongest disguised problem, the most not yet propose effective solution.
Summary of the invention
User is needed manually to implant digital watermarking for correlation technique, make digital watermarking the strongest disguised problem, the most not yet propose effective solution, for this, present invention is primarily targeted at processing method and the system that a kind of digital watermarking is provided, to solve the problems referred to above.
To achieve these goals, according to an aspect of the invention, it is provided the processing method of a kind of digital watermarking, the method includes: digital carrier processor calls watermark inserter；When digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers watermark inserter and obtains watermark information；Watermark information is write the first digital carrier by watermark inserter, to obtain the second digital carrier carrying watermark information.
Further, read-write operation includes: opens the first digital carrier, read the first digital carrier or amendment the first digital carrier, wherein, when digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers the step of watermark inserter acquisition watermark information and includes: when digital carrier processor is opened the first digital carrier, read the first digital carrier or amendment the first digital carrier, digital carrier processor generates opening signal, reads signal or amendment signal, and opening signal, reading signal or amendment signal are sent to watermark inserter；Opening signal, reading signal or amendment signal trigger watermark inserter and obtain watermark information.
Further, at watermark inserter, watermark information being write the first digital carrier, after obtaining the second digital carrier carrying watermark information, method also includes: digital carrier processor receives shutdown signal, to close the second digital carrier；Digital carrier processor cuts out watermark inserter.
Further, watermark information includes audit information, wherein, opening signal, reading signal or amendment signal trigger the step of watermark inserter acquisition watermark information and include: after watermark inserter receives opening signal, reads signal or revise signal, watermark inserter obtains audit information, wherein, audit information includes that digital carrier processor is opened the first digital carrier, read the first digital carrier or the operation managing detailed catalogue of amendment the first digital carrier.
Further, at watermark inserter, watermark information write the first digital carrier, after obtaining the second digital carrier carrying watermark information, method also includes: uses extraction element to extract audit information from the second digital carrier, and is saved in by audit information in operation detail list；Obtain in operation detail list for the second digital carrier being carried out the Audit trail information of audit trail.
Further, operation managing detailed catalogue includes: the identity of user, user opens the operating time information of the first digital carrier, user reads the operating time information of the first digital carrier, user revises the operating time information of the first digital carrier, user opens the action type information of the first digital carrier, user reads the action type information of the first digital carrier or user revises the action type information of the first digital carrier, wherein, the identity of user includes: the machine number of user, the IP address of user.
To achieve these goals, according to a further aspect in the invention, it is provided that the processing system of a kind of digital watermarking, this system includes: digital carrier processor, is used for calling watermark inserter；Watermark inserter, being connected with digital carrier processor, for when digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers watermark inserter and obtains watermark information, and watermark information is write the first digital carrier, to obtain the second digital carrier carrying watermark information.
Further, read-write operation includes: opens the first digital carrier, read the first digital carrier or amendment the first digital carrier, wherein, digital carrier processor includes: first processor, for when user is opened the first digital carrier by digital carrier processor, is read the first digital carrier or amendment the first digital carrier, generate opening signal, read signal or amendment signal, and opening signal, reading signal or amendment signal are sent to watermark inserter.
Further, watermark information includes audit information, wherein, watermark inserter includes: the second processor, it is connected with first processor, for, after receiving opening signal, reading signal or amendment signal, obtaining audit information, wherein, audit information includes that digital carrier processor is opened the first digital carrier, read the first digital carrier or the operation managing detailed catalogue of amendment the first digital carrier.
Further, system also includes: extraction element, it is connected with digital carrier processor, for audit information being saved in after extracting audit information from the second digital carrier in operation detail list, and obtain in operation detail list for the second digital carrier being carried out the Audit trail information of audit trail.
Pass through the present invention, digital carrier processor loads watermark inserter, make user when reading and writing the first digital carrier, watermark inserter obtains watermark information automatically, and from trend the first digital carrier internal write watermark information, participate in without user display, it is obtained with carrying the second digital carrier of watermark information, solve and prior art needs user manually implant digital watermarking, make digital watermarking the strongest disguised problem, achieve the effect automatically implanting digital watermarking in digital carrier, enhance the disguise of digital watermarking implantation process.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the processing system of digital watermarking according to embodiments of the present invention；
Fig. 2 is the schematic diagram of the extraction element of digital watermarking according to embodiments of the present invention；
Fig. 3 is the flow chart of the processing method of digital watermarking according to embodiments of the present invention；
Fig. 4 is the schematic diagram calling plug-in unit of digital watermarking according to embodiments of the present invention；And
Fig. 5 is the schematic diagram of the processing method of the digital watermarking according to embodiment illustrated in fig. 4.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Fig. 1 is the structural representation of the processing system of digital watermarking according to embodiments of the present invention.As it is shown in figure 1, this processing system includes: digital carrier processor 10, it is used for calling watermark inserter 30；Watermark inserter 30, it is connected with digital carrier processor 10, for when digital carrier processor 10 is written and read operation to the first digital carrier, read-write operation triggers watermark inserter 30 and obtains watermark information, and watermark information is write the first digital carrier, to obtain the second digital carrier carrying watermark information.
Use the processing system of digital watermarking of the present invention, digital carrier processor calls watermark inserter, when digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers watermark inserter and obtains watermark information and watermark information writes the first digital carrier, to obtain the second digital carrier carrying watermark information.Pass through the application, digital carrier processor loads watermark inserter, make user when reading and writing the first digital carrier, watermark inserter obtains watermark information automatically, and from trend the first digital carrier internal write watermark information, participate in without user display, it is obtained with carrying the second digital carrier of watermark information, solve and prior art needs user manually implant digital watermarking, make digital watermarking the strongest disguised problem, achieve the effect automatically implanting digital watermarking in digital carrier, enhance the disguise of digital watermarking implantation process.
Specifically, read-write operation includes: opens the first digital carrier, read the first digital carrier or amendment the first digital carrier, wherein, digital carrier processor 10 includes: first processor, for when user is opened the first digital carrier by digital carrier processor, is read the first digital carrier or amendment the first digital carrier, generate opening signal, read signal or amendment signal, and opening signal, reading signal or amendment signal are sent to watermark inserter.
In above-described embodiment of the application, watermark information includes audit information, wherein, watermark inserter includes: the second processor, it is connected with first processor, for, after receiving opening signal, reading signal or amendment signal, obtaining audit information, wherein, audit information can include that digital carrier processor is opened the first digital carrier, read the first digital carrier or the operation managing detailed catalogue of amendment the first digital carrier.
In above-described embodiment of the application, system can also include: extraction element 50, it is connected with digital carrier processor 10, for audit information being saved in after extracting audit information from the second digital carrier in operation detail list, and obtain in operation detail list for the second digital carrier being carried out the Audit trail information of audit trail.
Fig. 2 is the schematic diagram of the extraction element of digital watermarking according to embodiments of the present invention.Specifically, as in figure 2 it is shown, extraction element 50, it is connected with digital carrier processor 10, for being saved in by audit information after extracting audit information from the second digital carrier in operation detail list, and use operation detail list that the second digital carrier is carried out audit trail.
Specifically, operation managing detailed catalogue may include that the operating time information of the first digital carrier is opened in the identity of user, user, user reads the operating time information of the first digital carrier, user revises the operating time information of the first digital carrier, user opens the action type information of the first digital carrier, user reads the action type information of the first digital carrier, user revises the action type information of the first digital carrier, wherein, the identity of user may include that the IP address of the machine number of user, user.
In the above embodiment of the present invention, to the operation managing detailed catalogue of digital carrier as audit information, and using audit information as the part of watermark information, it is placed in inside digital carrier, the audit information making digital carrier is implicitly present in digital carrier itself, solve audit information and digital carrier separation problem, thus enhance the user non repudiation to numeral carrier operation behavior.
Fig. 3 is the flow chart of the processing method of digital watermarking according to embodiments of the present invention.Fig. 4 is the schematic diagram calling plug-in unit of digital watermarking according to embodiments of the present invention.Fig. 5 is the schematic diagram of the processing method of the digital watermarking according to embodiment illustrated in fig. 4.
As shown in Figure 3 and Figure 4, the method comprises the steps:
Step S102, digital carrier processor calls watermark inserter.
Step S104, when digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers watermark inserter and obtains watermark information.
Step S106, watermark information is write the first digital carrier by watermark inserter, to obtain the second digital carrier carrying watermark information.
Use the processing method of digital watermarking of the present invention, digital carrier processor calls watermark inserter, when digital carrier processor is written and read operation to the first digital carrier, read-write operation triggers watermark inserter and obtains watermark information and watermark information writes the first digital carrier, to obtain the second digital carrier carrying watermark information.Pass through the application, digital carrier processor loads watermark inserter, make user when reading and writing the first digital carrier, watermark inserter obtains watermark information automatically, and from trend the first digital carrier internal write watermark information, participate in without user display, it is obtained with carrying the second digital carrier of watermark information, solve and prior art needs user manually implant digital watermarking, make digital watermarking the strongest disguised problem, achieve the effect automatically implanting digital watermarking in digital carrier, enhance the disguise of digital watermarking implantation process.
Wherein, digital carrier processor includes: digital carrier reader, digital carrier editing machine, and digital carrier can be the document with set form, such as: DOC document, PDF document etc..
In the above embodiment of the present invention, read-write operation may include that opens the first digital carrier, read the first digital carrier or amendment the first digital carrier, wherein, when digital carrier processor is written and read operation to the first digital carrier, the step of read-write operation triggering watermark inserter acquisition watermark information may include that opens the first digital carrier at digital carrier processor, when reading the first digital carrier or amendment the first digital carrier, user is opened the first digital carrier by digital carrier processor, the operation reading the first digital carrier or amendment the first digital carrier generates opening signal, read signal or amendment signal, and by opening signal, read signal or amendment signal is sent to watermark inserter；Opening signal, reading signal or amendment signal trigger watermark inserter and obtain watermark information.
Further, at watermark inserter, watermark information being write the first digital carrier, after obtaining the second digital carrier carrying watermark information, the method can also include: digital carrier processor accepts shutdown signal, to close the second digital carrier；Digital carrier processor cuts out watermark inserter.
Specifically, as shown in Figure 4, user opens digital carrier processor, whether the standards registration interface of digital carrier processor detection digital carrier processor exists watermark inserter, in the case of there is watermark inserter, digital carrier processor loads watermark inserter, user uses digital carrier processor that the first digital carrier is written and read operation, watermark inserter will add watermark information automatically, and to the first digital carrier this watermark information of internal write, obtain the second digital carrier, after user closes digital carrier processor (digital carrier simultaneously closes off), watermark information can be permanently kept in inside the second digital carrier.Wherein, read-write operation includes opening the first digital carrier, reading the first digital carrier or amendment the first digital carrier.
Pass through the above embodiment of the present invention, by installing watermark inserter additional on digital carrier processor, make user open the first digital carrier, read the first digital carrier, revise the first digital carrier time, watermark inserter is from trend the first digital carrier internal write watermark information.
Specifically, as it is shown in figure 5, step S202 is first carried out, starting digital carrier processor, specifically, digital carrier processor receives enabling signal, to open digital carrier processor.
Step S204, digital carrier processor loads watermark inserter, and digital carrier processor can load watermark inserter after starting.
Step S206, digital carrier processor initializes watermark inserter, and digital carrier processor initializes watermark inserter, so that watermark inserter can normally work.
After digital carrier processor calls watermark inserter, step S104 realizes especially by step S208 shown in Fig. 5 to step S214:
Step S208, digital carrier processor opens the first digital carrier, and user opens the first digital carrier by digital carrier processor.
Step S210, watermark inserter, to the first digital carrier write watermark information, obtains the first digital carrier carrying the first watermark information.Specifically, when the first digital carrier opened by digital carrier processor, the operation opening the first digital carrier is generated opening signal by digital carrier processor, and opening signal is sent to watermark inserter, watermark inserter obtains the first watermark information after receiving opening signal, and the first watermark information is write the first digital carrier, it is thus achieved that carry the first digital carrier of the first watermark information.
Step S212, the amendment of digital carrier processor carries the first digital carrier of the first watermark information, and specifically, user carries the first digital carrier of the first watermark information by the amendment of digital carrier processor.
Step S214, watermark inserter writes the second watermark information to the first digital carrier carrying the first watermark information, to obtain the second digital carrier.Wherein, second digital carrier carries the first watermark information and the second watermark information, specifically, when the first digital carrier of the first watermark information is carried in the amendment of digital carrier processor, amendment is carried the operation of the first digital carrier of the first watermark information and is generated amendment signal by digital carrier processor, and amendment signal is sent to watermark inserter, watermark inserter obtains the second watermark information after receiving amendment signal, and the second watermark information write is carried the first digital carrier of the first watermark information, to obtain the second digital carrier.
Step S216, digital carrier processor cuts out the second digital carrier.Specifically, digital carrier processor receives the signal cutting out the second digital carrier, to close the second digital carrier.
Step S218, digital carrier processor unloading watermark inserter, after closing the second digital carrier, digital carrier processor cuts out watermark inserter.
Step S220, closes digital carrier processor.
In the above embodiment of the present invention, watermark information can include audit information, wherein, opening signal, reading signal or amendment signal trigger the step of watermark inserter acquisition watermark information and include: after watermark inserter receives opening signal, reads signal or revise signal, watermark inserter obtains audit information, wherein, audit information includes that digital carrier processor is opened the first digital carrier, read the first digital carrier or the operation managing detailed catalogue of amendment the first digital carrier.
Specifically, operation managing detailed catalogue may include that the operating time information of the first digital carrier is opened in the identity of user, user, user reads the operating time information of the first digital carrier, user revises the operating time information of the first digital carrier, user opens the action type information of the first digital carrier, user reads the action type information of the first digital carrier or user revises the action type information of the first digital carrier, wherein, the identity of user includes: the machine number of user, the IP address of user.
Specifically, during performing step S210 and step S214, watermark inserter can obtain the identity of user, user opens the operating time information of the first digital carrier, user reads the operating time information of the first digital carrier, user revises the operating time information of the first digital carrier, user opens the action type information of the first digital carrier, user reads the action type information of the first digital carrier or user revises the action type information of the first digital carrier, and using above-mentioned information as audit information, write the first digital carrier.Wherein, the identity of user includes: the machine number of user, the IP address of user.
In the above embodiment of the present invention, to the operation managing detailed catalogue of digital carrier as audit information, and using audit information as the part of watermark information, it is placed in inside digital carrier, the audit information making digital carrier is implicitly present in digital carrier itself, solve audit information and digital carrier separation problem, thus enhance the user non repudiation to numeral carrier operation behavior.
In above-described embodiment of the application, at watermark inserter, watermark information write the first digital carrier, after obtaining the second digital carrier carrying watermark information, method can also include: uses extraction element to extract audit information from the second digital carrier, and is saved in by audit information in operation detail list；Obtain in operation detail list for the second digital carrier being carried out the Audit trail information of audit trail.Wherein, extracting of watermark information uses special extracting tool.
User in the above embodiment of the present invention is user.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although showing logical order in flow charts, but in some cases, can be to be different from the step shown or described by order execution herein.
From above description, can be seen that, present invention achieves following technique effect: pass through the application, digital carrier processor loads watermark inserter, make user when reading and writing the first digital carrier, watermark inserter obtains watermark information automatically, and from trend the first digital carrier internal write watermark information, participate in without user display, it is obtained with carrying the second digital carrier of watermark information, solve and prior art needs user manually implant digital watermarking, make digital watermarking the strongest disguised problem, achieve the effect automatically implanting digital watermarking in digital carrier, enhance the disguise of digital watermarking implantation process.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculating device, they can concentrate on single calculating device, or it is distributed on the network that multiple calculating device is formed, alternatively, they can realize with calculating the executable program code of device, thus, can be stored in storing in device and be performed by calculating device, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (6)
1. the processing method of a digital watermarking, it is characterised in that including:
Digital carrier processor calls watermark inserter；
When described digital carrier processor is written and read operation to the first digital carrier, described read-write operation triggers described watermark inserter and obtains watermark information；
Described watermark information is write described first digital carrier by described watermark inserter, to obtain the second digital carrier carrying described watermark information；
Wherein, described read-write operation includes: opens described first digital carrier, reads described first digital carrier or revise described first digital carrier；
Wherein, described watermark information includes that audit information, described audit information include that described digital carrier processor is opened described first digital carrier, read described first digital carrier or revise the operation managing detailed catalogue of described first digital carrier；
Wherein, when described digital carrier processor is written and read operation to described first digital carrier, described read-write operation triggers the step of described watermark inserter acquisition watermark information and includes:
When described digital carrier processor is opened described first digital carrier, is read described first digital carrier or revise described first digital carrier, described digital carrier processor generates opening signal, reads signal or amendment signal, and described opening signal, described reading signal or described amendment signal are sent to described watermark inserter；
Described opening signal, described reading signal or described amendment signal trigger described watermark inserter and obtain described watermark information；
Wherein, the step of described opening signal, reading signal or the amendment signal triggering described watermark inserter described watermark information of acquisition includes:
After described watermark inserter receives described opening signal, described reading signal or described amendment signal, described watermark inserter obtains described audit information.
Method the most according to claim 1, it is characterised in that described watermark information is write described first digital carrier at described watermark inserter, after obtaining the second digital carrier carrying described watermark information, described method also includes:
Described digital carrier processor receives shutdown signal, to close described second digital carrier；
Described digital carrier processor cuts out described watermark inserter.
Method the most according to claim 1, it is characterised in that described watermark information is write described first digital carrier at described watermark inserter, after obtaining the second digital carrier carrying described watermark information, described method also includes:
Use extraction element to extract described audit information from described second digital carrier, and described audit information is saved in operation detail list；
Obtain in described operation detail list for described second digital carrier being carried out the Audit trail information of audit trail.
Method the most according to claim 3, it is characterized in that, described operation managing detailed catalogue includes: the identity of user, described user opens the operating time information of described first digital carrier, described user reads the operating time information of described first digital carrier, described user revises the operating time information of described first digital carrier, described user opens the action type information of described first digital carrier, described user reads the action type information of described first digital carrier or described user revises the action type information of described first digital carrier, wherein, the identity of described user includes: the machine number of described user, the IP address of described user.
5. the processing system of a digital watermarking, it is characterised in that including:
Digital carrier processor, is used for calling watermark inserter；
Watermark inserter, it is connected with described digital carrier processor, for when described digital carrier processor is written and read operation to the first digital carrier, described read-write operation triggers described watermark inserter and obtains watermark information, and described watermark information is write described first digital carrier, to obtain the second digital carrier carrying described watermark information；
Wherein, described read-write operation includes: opens described first digital carrier, reads described first digital carrier or revise described first digital carrier；
Wherein, described watermark information includes that audit information, described audit information include that described digital carrier processor is opened described first digital carrier, read described first digital carrier or revise the operation managing detailed catalogue of described first digital carrier；
Wherein, described digital carrier processor includes:
First processor, for when user is opened described first digital carrier by described digital carrier processor, is read described first digital carrier or revise described first digital carrier, generate opening signal, read signal or amendment signal, and described opening signal, described reading signal or described amendment signal are sent to described watermark inserter；
Described watermark inserter includes:
Second processor, is connected with described first processor, for, after receiving described opening signal, described reading signal or described amendment signal, obtaining described audit information.
System the most according to claim 5, it is characterised in that described system also includes:
Extraction element, it is connected with described digital carrier processor, for described audit information being saved in after extracting described audit information from described second digital carrier in operation detail list, and obtain in described operation detail list for described second digital carrier being carried out the Audit trail information of audit trail.
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| CN113407913B (en) * | 2021-05-31 | 2022-04-12 | 南京触手科技有限公司 | Creative work management method and system based on digital watermark |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101882297B (en) * | 2010-06-02 | 2012-05-30 | 青岛理工大学 | Digital watermarking method |
| CN102750480A (en) * | 2012-05-23 | 2012-10-24 | 常熟南师大发展研究院有限公司 | Automatic watermark embedding method and device for geographic data network sharing platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882297B (en) * | 2010-06-02 | 2012-05-30 | 青岛理工大学 | Digital watermarking method |
| CN102750480A (en) * | 2012-05-23 | 2012-10-24 | 常熟南师大发展研究院有限公司 | Automatic watermark embedding method and device for geographic data network sharing platform |
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