CN105657576A - Watermark embedding method and device - Google Patents
Watermark embedding method and device Download PDFInfo
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- CN105657576A CN105657576A CN201510218398.0A CN201510218398A CN105657576A CN 105657576 A CN105657576 A CN 105657576A CN 201510218398 A CN201510218398 A CN 201510218398A CN 105657576 A CN105657576 A CN 105657576A
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- watermark
- collection unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
Abstract
The embodiment of the invention provides a watermark embedding method and device. The method comprises the following steps of: obtaining a multimedia acquired by a multimedia acquisition unit while detecting that the multimedia acquisition unit of electronic equipment acquires the multimedia; embedding a preset mark image as a watermark in the multimedia acquired by the multimedia acquisition unit, and generating a multimedia including the watermark; and storing the multimedia including the watermark. By means of the watermark embedding method and device in the embodiment of the invention, the complexity of embedding the watermark in the multimedia can be reduced; and the infringement risk of the multimedia can be reduced.
Description
Technical field
The application relates to technical field of image processing, says more specifically and relates to a kind of watermark embedding method and device.
Background technology
Numeral watermark refers to not affecting under the prerequisite that media product uses, and adds in multi-media using the mark with certain sense as watermark, so that multi-media to play protection or certification. When multi-media information generation dispute over copyright, it is possible to extract watermark from multi-media, safeguarded the legitimate rights and interests of copyright owner by checking watermark.
In order to the legitimate rights and interests of the multi-media owner can be ensured, after generating multi-media, it is necessary to multi-media is transferred in computer, then could add watermark in digital watermark embedding algorithm by computer based in this multi-media so that watermark embed process is complicated; And if the multi-media of generation can not be transferred in computer to carry out watermark embedment by user in time, then adding the risk that this multi-media is encroached right.
Summary of the invention
In view of this, this application provides a kind of watermark embedding method and device, to reduce the complexity being embedded in watermark to multi-media, and reduce the risk that multi-media is encroached right.
For achieving the above object, the application provides following technical scheme: a kind of watermark embedding method, comprising:
When detecting that the multimedia collection unit of electronics gathers multi-media, obtain the multi-media that described multimedia collection unit gathers;
In the multi-media collect preset identification image as watermark embedment to described multimedia collection unit, generate the multi-media containing watermark;
Store the described multi-media containing watermark.
Preferably, in the described multi-media that preset identification image is collected as watermark embedment to described multimedia collection unit, comprising:
Described preset identification image is embedded in the destination multimedia that described multimedia collection unit collects as invisible watermark.
Preferably, described in detect described electronics multimedia collection unit gather multi-media, comprising:
The image acquisition units picked-up video of electronics detected;
Then before preset identification image is in the multi-media that watermark embedment collects to described multimedia collection unit, also will comprise:
When detecting that described electronics triggers described image acquisition units termination picked-up video, it is determined that the target video that described image acquisition units collects;
Then in the described multi-media that preset identification image is collected as watermark embedment to described multimedia collection unit, comprising:
Using described preset identification image as watermark embedment in described target video.
Preferably, described when detecting that the multimedia collection unit of electronics gathers multi-media, obtain the multi-media that described multimedia collection unit gathers, comprising:
When the image acquisition units picked-up video of described electronics being detected, intercept and capture the video that described multimedia collection unit gathers;
Before preset identification image is in the multi-media that watermark embedment collects to described multimedia collection unit, also will comprise described:
Determine the target video that current time is intercepted and captured;
Then in the described multi-media that preset identification image is collected as watermark embedment to described multimedia collection unit, comprising:
Using described preset identification image as watermark embedment in described target video, until detecting that described electronics triggers described image acquisition units and terminates picked-up video.
Preferably, described using preset identification image as watermark embedment to, in described target video, comprising:
Extract the crucial frame in described target video, using described preset identification image as watermark embedment in the crucial frame of described target video.
Preferably, when detect electronics trigger multimedia collection unit gather multi-media time, obtain described multimedia collection unit gather multimedia while, also comprise:
Obtain described preset identification image.
Preferably, described preset identification image comprises:
Preset fingerprint image.
On the other hand, present invention also provides a kind of watermark embedding device, comprising:
Media acquiring unit, for when detecting that the multimedia collection unit of electronics gathers multi-media, obtaining the multi-media that described multimedia collection unit gathers;
Embedded unit, for, in the multi-media that collected as watermark embedment to described multimedia collection unit by preset identification image, generating the multi-media containing watermark;
Storage unit, for storing the described multi-media containing watermark.
Preferably, described embedded unit, comprising:
Invisible embedded unit, for being embedded into described preset identification image in the destination multimedia that described multimedia collection unit collects as invisible watermark.
Preferably, described media acquiring unit, comprising:
First video acquisition unit, for when the image acquisition units picked-up video of electronics being detected, obtaining the multi-media that described multimedia collection unit gathers;
Then described device, also comprises:
First video determining unit, for when detecting that described electronics triggers described image acquisition units termination picked-up video, it is determined that the target video that described image acquisition units collects;
Then described embedded unit, comprising:
First embedded unit, for using described preset identification image as watermark embedment in described target video.
Preferably, described media acquiring unit, comprising:
2nd video acquisition unit, for when the image acquisition units picked-up video of described electronics being detected, intercepting and capturing the video that described multimedia collection unit gathers;
Described device, also comprises:
2nd video determining unit, for determining the target video that current time is intercepted and captured;
Termination detection unit, for detecting whether electronics described in current time triggers described image acquisition units termination picked-up video;
Then described embedded unit, comprising:
2nd embedded unit, for in described target video that preset identification image is determined as watermark embedment to described 2nd video determining unit, until described termination detection unit inspection triggers described image acquisition units to described electronics terminates picked-up video.
Preferably, described first embedded unit comprises:
First embedding subelement, for the crucial frame extracted in described target video, using described preset identification image as watermark embedment in the crucial frame of described target video;
Or, described 2nd embedded unit, comprising:
2nd embedding subelement, for the crucial frame extracted in described target video, using described preset identification image as watermark embedment in the crucial frame of described target video, until described termination detection unit inspection triggers described image acquisition units to described electronics terminates picked-up video.
Preferably, described media acquiring unit, comprising:
Media obtain subelement, for when detect electronics trigger multimedia collection unit gather multi-media time, obtain described multimedia collection unit collection multimedia while, obtain preset identification image.
Preferably, described preset identification image comprises:
Preset fingerprint image.
Known via above-mentioned technical scheme, when detecting that the multimedia collection unit of electronics gathers multi-media, just the multi-media that this multimedia collection unit collects can be obtained, and it is embedded in identification image to this multi-media, to generate the multi-media containing watermark, it is achieved that while multi-media generates, be just embedded in watermark to this multi-media, avoid user shift multi-media after again manual triggers in multi-media, add watermark, reduce multi-media generate complexity; It also avoid generating after multi-media, forget to be embedded in watermark to multi-media and the risk that multi-media is encroached right may be caused due to user, and then reduce the risk that multi-media encroached right.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present application, below the accompanying drawing used required in embodiment being described is briefly described, apparently, accompanying drawing in the following describes is only the embodiment of the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 shows the schematic flow sheet of an a kind of watermark embedding method embodiment of the application;
Fig. 2 shows the schematic flow sheet of a kind of another embodiment of watermark embedding method of the application;
Fig. 3 shows the schematic flow sheet of a kind of another embodiment of watermark embedding method of the application;
Fig. 4 shows the structural representation of an a kind of watermark embedding device embodiment of the application;
Fig. 5 shows the structural representation of a kind of another embodiment of watermark embedding device of the application;
Fig. 6 shows the structural representation of a kind of another embodiment of watermark embedding device of the application.
Embodiment
The embodiment of the present application provides a kind of watermark embedding method and device, to reduce the complexity adding watermark in multi-media, reduces the risk that multi-media is encroached right.
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described embodiment is only some embodiments of the present application, instead of whole embodiments. Based on the embodiment in the application, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the application's protection.
See Fig. 1, it illustrates the schematic flow sheet of an a kind of data waterprint embedded method embodiment of the application, the method for the present embodiment can comprise:
101, when detecting that the multimedia collection unit of electronics gathers multi-media, obtain the multi-media that this multimedia collection unit gathers.
It should be appreciated that this electronics can be the equipment such as mobile phone, panel computer, notebook computer in the embodiment of the present application.
This multimedia collection unit can be for receiving the multimedia sensing units such as audio frequency, video or image or input unit in electronics. As, this multimedia collection unit can be the audio input unit on electronics, such as, and the microphone on mobile phone.
By monitoring the collection action of this multimedia collection unit, it may be determined that whether whether this multimedia collection unit of current time be triggered to gather multi-media or be in gathers in multimedia process.
102, in the multi-media collect preset identification image as watermark embedment to described multimedia collection unit, generate the multi-media containing watermark.
Wherein, this identification image is for identifying this electronics or the user of corresponding this electronics of use. Using this identification image as watermark embedment to this multi-media after, it is possible to determine this multimedia copyright owner by extracting this identification image.
In the embodiment of the present application, when this multimedia collection unit of electronics gathers multi-media, just the multi-media obtaining this multimedia collection unit and collecting can be triggered, and embed identification image in this multi-media, thus when detecting that multi-media generates, just it has been embedded in watermark to this multi-media in real time.
It should be noted that, in the embodiment of the present application, it can be existing any watermark embedment mode that this identification image is embedded into this multimedia mode, as, it is possible to based on spatial watermark algorithm, this identification image is embedded in this multi-media; Can also be that distinguished point based realizes watermark embedment; Can also be also other watermark embedment modes, do not limited at this.
103, store the multi-media that this contains watermark.
In the embodiment of the present application, multi-media at electronics store is then the multi-media being embedded with watermark.
In the embodiment of the present application, when detecting that the multimedia collection unit of electronics gathers multi-media, just the multi-media that this multimedia collection unit collects can be obtained, and it is embedded in identification image to this multi-media, to generate the multi-media containing watermark, it is achieved that while multi-media generates, be just embedded in watermark to this multi-media, avoid user shift multi-media after again manual triggers in multi-media, add watermark, reduce multi-media generate complexity; It also avoid generating after multi-media, forget to be embedded in watermark to multi-media and the risk that multi-media is encroached right may be caused due to user, and then reduce the risk that multi-media encroached right.
It should be noted that, in the embodiment of the present application, when detecting that the multimedia collection unit of electronics gathers multi-media, it is possible to be obtain this multimedia collection unit to collect and the multi-media that stored. In that case, after obtaining this multi-media and embedding watermark to multi-media, it is possible to only store the multi-media being embedded with watermark. Certainly, it is also possible to store the multi-media not embedding watermark as required simultaneously and embed the multi-media of watermark.
Optionally, the multi-media obtaining this multimedia collection unit collection can be the multi-media that this multimedia collection unit of intercepting and capturing collects, and embeds watermark in multi-media, so that the multi-media stored is the multi-media being embedded with watermark. That is before the multi-media collected at multimedia collection unit is stored, obtain this multi-media, and store after embedding watermark.
It should be appreciated that due to the crypticity of invisible watermark strong, and multi-media impact is minimum, therefore, in the embodiment of the present application, it is possible to be embedded in the multi-media collected as invisible watermark by preset identification image.Certainly, the process embedding invisible watermark can be existing any-mode equally.
In any one embodiment of the application, this preset identification image can be arranged according to actual needs. For the ease of identifying this identification image, the identification information that can be the unique mark based on electronics or user at this identification image generates.
Optionally, generating multi-media for the ease of distinguishing different user, this identification image can be the fingerprint image of user's finger. Owing to the fingerprint of different user is different, therefore, be conducive to determining the multi-media owner based on watermark as watermark using fingerprint image.
Further, this preset identification image can be a binary image. As, for fingerprint image, it is possible to after the fingerprint image collecting user's finger, this fingerprint image is carried out filtering, sharpening, binary conversion treatment. The noise jamming in fingerprint image can be reduced after filtering with sharpening, and strengthen the streakline of fingerprint, and after fingerprint image is carried out two values, then can retain the area-of-interest in this fingerprint image to greatest extent, to reduce the memory data output storing fingerprint image. After fingerprint image is carried out binary conversion treatment, it is also possible to further the fingerprint image of two values is carried out refinement, to strengthen the effect of details in fingerprint image further.
It should be noted that, in the embodiment of the present application, using preset identification image as watermark embedment to this multi-media before, in addition it is also necessary to obtain the identification image that this is preset. As, obtaining this preset identification image can before detecting that this electronics triggers multimedia collection unit collection multi-media. Such as, when user opens multimedia collection unit, then can obtain this preset identification image. After considering that user opens multimedia collection unit, likely can't trigger multimedia collection unit and gather multi-media, if now obtaining this identification image, cause unnecessary data processing amount, optionally, when detecting that electronics triggers multimedia collection unit collection multi-media, when obtaining the multi-media that this multimedia collection unit gathers, obtain the identification image that this is preset.
It should be appreciated that the multi-media difference gathered based on multimedia collection unit, also can be different in the process embedding watermark in multi-media.
As, when this multimedia collection unit is image acquisition units, utilize this image acquisition units can pickup image or video. When detecting that electronics triggers image acquisition units pickup image, then can obtain the image currently absorbing and arriving, and using preset identification image as watermark embedment in this image, thus storage is embedded with the image of watermark.
When utilizing this image acquisition units to gather video, then can when detecting that electronics triggers image acquisition units picked-up video, just the video that this image acquisition units collects can be obtained, until video capture terminates, then in the different images frame of video, embed watermark to picked-up; Can also be in the process of video capture, in frame of video, add watermark to current picked-up, until image capture terminates.
For the ease of understanding in the embodiment of the present application the watermark embed process to video, below based on to the optimal way embedding watermark in video, with two different embodiments, the process embedding watermark in video being introduced respectively.
See Fig. 2, it illustrates the schematic flow sheet of a kind of another embodiment of watermark embedding method of the application, the method for the present embodiment can comprise:
201, when the image acquisition units picked-up video of electronics being detected, obtain the video that this multimedia collection unit gathers.
202, when detect electronics trigger this image acquisition units terminate picked-up video time, it is determined that get and collect target video by this image acquisition units.
In the embodiment of the present application, when detecting this image acquisition units of current time picked-up video, then from image acquisition units absorbs video, terminate in the process of current video capture to this image acquisition units, this electronics can obtain the video of this multimedia collection unit picked-up, and the video finally determining to collect during this period.
For the ease of understanding, the video that multimedia collection unit absorbs in video capture process is called target video.
203, using preset identification image as watermark embedment in this target video.
At the end of video capture, using preset identification image as watermark, and embed watermark in the target video collected.
Embedding watermark in this target video can be all embed this identification image in each frame video image. Optionally, in order to reduce data processing amount, it is possible to first extract crucial frame from this target video, and then embed watermark in the video image corresponding to crucial frame. Wherein, the mode extracting crucial frame can have multiple, as, it is possible to compare front and back two frame video image in the video frame, when detecting the bigger frame of picture content change of publishing picture, then it is defined as crucial frame. Adopt and embed watermark in the crucial frame of this target video, it is possible to avoid all embedding watermark to this each frame in target video, decrease data processing amount.
It should be appreciated that when detecting that this electronics triggers this image acquisition units picked-up video, the identification image that this is preset can be obtained in the embodiment of the present application; When detecting that this electronics triggers this image acquisition units termination video capture, the identification image that this is preset can also be obtained.
Optionally, this identification image is fingerprint image.
204, store the target video that this contains watermark.
In the present embodiment, when detecting that electronics triggers image acquisition units picked-up video, start to obtain the video that this image acquisition units collects, and when electronics triggers termination video capture, determine the target video got, then in this target video, watermark is embedded, thus achieve at the end of video capture, watermark is embedded in the video that trend is absorbed, avoid user to forget, or watermark embed process that manual triggers etc. are complicated, it is to increase the convenience of watermark embedment, reduces the risk that video is encroached right.
See Fig. 3, it illustrates the schematic flow sheet of a kind of another embodiment of watermark embedding method of the application, the present embodiment is another kind of implementation embedding watermark in video, and the method for the present embodiment can comprise:
301, when the image acquisition units picked-up video of electronics being detected, intercept and capture the video that this multimedia collection unit gathers.
When detecting that electronics currently triggers this image acquisition units picked-up video, or detect that image acquisition units is in video acquisition, then intercept and capture the video that this multi-media body collecting unit gathers, the follow-up video to intercepting and capturing to embed watermark.
302, it is determined that the target video that current time is intercepted and captured.
303, using preset identification image as watermark embedment in current this target video intercepted and captured, until detecting that this electronics triggers this image acquisition units and terminates picked-up video.
Step 302 and step 303 are that circulation performs in the embodiment of the present application, it is determined that go out in the target video of current intercepting and capturing, be embedded into by identification image in this target image;After subsequent time intercepts video again, then embed watermark in this video, until video capture completes. Visible, the embodiment of the present application is in the process of video capture, adds watermark in video, thus while video capture completes, the process embedding watermark in video also completes.
It should be appreciated that embedding watermark in the target video currently intercepted can be that frame embeds this identification image in every frame video image; Can also be to reduce data processing amount, from this target video, extract crucial frame, and embed this identification image in video image corresponding to crucial frame.
Optionally, this identification image can be fingerprint image.
304, store the target video that this contains watermark.
It should be appreciated that embodiment corresponding to Fig. 2 and Fig. 3 is the watermark embed process introduced for video, but this two embodiments are applicable to too for audio frequency.
Optionally, more than the application in any one embodiment, the button triggering watermark embedment can also be set on an electronic device, as set up a specified button on the touchscreen, before user triggers the image acquisition units pickup image of electronics, or while triggering the image acquisition units pickup image of electronics, touch by this specified button, then electronics starts watermark embedment engineering. Therefore, when the image acquisition units picked-up video of electronics being detected, obtain that this multimedia collection unit gathers to before media, can also comprise: whether detection currently meets the watermark embedment preset is triggered condition, if met, then when the image acquisition units picked-up video of electronics being detected, what obtain the collection of this multimedia collection unit arrives media, and is embedded in this multi-media by preset identification image.
Further, for the ease of understanding the useful effect of the embedding grammar of the embodiment of the present application, introduce the embedding grammar of the embodiment of the present application below with an example. Thinking that the video utilizing mobile phone to take embeds watermark is example, and is introduced based on a kind of method embedding watermark in video. The method of the embodiment of the present application, detect user touch carry out video capture by camera time, the video that this camera absorbs can be intercepted and captured, and embed fingerprint image in the video currently intercepted, until video capture terminates, then picked-up is to video. Visible, watermark it has been embedded with in the video stored, without the need to user operation in whole process, the normal video capture of user is not affected yet, just user can be avoided to realize watermark embedment by complex operations, it also avoid the risk forgetting to embed watermark in video due to user and cause copyright to be invaded.
It should be appreciated that after embedding watermark based on the watermark embedding method of the embodiment of the present application in multi-media, if needing multi-media is carried out certification, just can watermark by extracting in this multi-media, and verify that watermark is to complete certification or copyright ownership. Wherein, from the multi-media embedding watermark, extract the process of watermark similar to existing mode, that is, when detect there is watermark in this multi-media time, it is possible to directly from this multi-media, extract watermark based on existing watermark extraction algorithm.
Especially, when multi-media is video or during audio frequency, if only embedding watermark in this multimedia crucial frame in watermark embed process, then can first determine the crucial frame in this multi-media, then from crucial frame, extract watermark.
A kind of watermark embedding method of corresponding the application, present invention also provides a kind of watermark embedding device.See Fig. 4, it illustrates the structural representation of an a kind of watermark embedding device embodiment of the application, the device of the present embodiment can comprise: media acquiring unit 401, embedded unit 402 and storage unit 403.
Wherein, this media acquiring unit 401, for when detecting that the multimedia collection unit of electronics gathers multi-media, obtaining the multi-media that described multimedia collection unit gathers;
Embedded unit 402, for, in the multi-media that collected as watermark embedment to described multimedia collection unit by preset identification image, generating the multi-media containing watermark;
Storage unit 403, for storing the described multi-media containing watermark.
In the embodiment of the present application, when media acquiring unit detects that electronics triggers multimedia collection unit collection multi-media, just the multi-media that this multimedia collection unit collects can be obtained, and it is embedded in identification image by embedded unit to this multi-media, to generate the multi-media containing watermark, achieve while multi-media generates, just it has been embedded in watermark to this multi-media, avoid user shift multi-media after again manual triggers in multi-media, add watermark, reduce multi-media generate complexity; It also avoid generating after multi-media, forget to be embedded in watermark to multi-media and the risk that multi-media is encroached right may be caused due to user, and then reduce the risk that multi-media encroached right.
Optionally, in the device of the embodiment of the present application, described embedded unit can comprise:
Invisible embedded unit, for being embedded into described preset identification image in the destination multimedia that described multimedia collection unit collects as invisible watermark.
It should be appreciated that in the device of the embodiment of the present application, this multimedia collection unit can be reception or the sensing unit of the multi-media such as audio frequency and video or document input.
If this multimedia collection unit can be the image acquisition units on electronics, such as, the camera of mobile phone. When based on this image acquisition units pickup image, when then this acquiring unit detects this image acquisition units pickup image, then obtain currently absorb the image arrived, and by this embedded unit using identification image after watermark embedment, store this image being embedded with watermark by storage unit.
When absorbing video based on this image acquisition units, then embedded unit can carry out watermark embedment in video capture process, it is also possible to after video capture terminates, then embeds watermark in video.
As, see Fig. 5, it illustrates the structural representation of a kind of another embodiment of watermark embedding device of the application, the difference of the embodiment of the present embodiment and previous one is:
In the present embodiment, this media acquiring unit 401, comprising:
First video acquisition unit 4011, for when the image acquisition units picked-up video of electronics being detected, obtaining the multi-media that described multimedia collection unit gathers;
And this device, also comprise:
First video determining unit 404, for when detecting that described electronics triggers described image acquisition units termination picked-up video, it is determined that the target video that described image acquisition units collects;
Accordingly, described embedded unit 402, comprising:
First embedded unit 4021, for using described preset identification image as watermark embedment in described target video.
In the device of the present embodiment, this first video determining unit is when video capture terminates, it is determined that all videos got, and by this first embedded unit at the end of video capture, embeds watermark in video.
Optionally, described first embedded unit comprises:
First embedding subelement, for the crucial frame extracted in described target video, using described preset identification image as watermark embedment in the crucial frame of described target video;
See Fig. 6, it illustrates the structural representation of a kind of another embodiment of watermark embedding device of the application.
Being with the difference of preceding embodiment, the media acquiring unit 401 of the present embodiment, comprising:
2nd video acquisition unit 4012, for when the image acquisition units picked-up video of described electronics being detected, intercepting and capturing the video that described multimedia collection unit gathers;
This device, also comprises:
2nd video determining unit 405, for determining the target video that current time is intercepted and captured;
Termination detection unit 406, for detecting whether electronics described in current time triggers described image acquisition units termination picked-up video;
Then described embedded unit 402, comprising:
2nd embedded unit 4022, for in described target video that preset identification image is determined as watermark embedment to described 2nd video determining unit, until described termination detection unit inspection triggers described image acquisition units to described electronics terminates picked-up video.
In the device of the present embodiment, detect in the process of picked-up video in media acquiring unit 401, the video collected can be intercepted and captured, and the target video of the current intercepting and capturing that this first embedded unit is determined according to the 2nd video determining unit, this target video is carried out watermark embedment, until video capture terminates, thus in the process of video capture, video is carried out watermark embedment.
Optionally, described 2nd embedded unit comprises:
2nd embedding subelement, for the crucial frame extracted in described target video, using described preset identification image as watermark embedment in the crucial frame of described target video, until described termination detection unit inspection triggers described image acquisition units to described electronics terminates picked-up video.
Optionally, in the embodiment of any one device above, described media acquiring unit, it is possible to comprising:
Media obtain subelement, for when detect electronics trigger multimedia collection unit gather multi-media time, obtain described multimedia collection unit collection multimedia while, obtain preset identification image.
Optionally, in the embodiment of any one device above, described preset identification image comprises:
Preset fingerprint image.
In this specification sheets, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment emphasis illustrated is the difference with other embodiments, between each embodiment identical similar portion mutually see. For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates see method part.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are enable to realize or use the application. To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from the spirit or scope of the application, can realize in other embodiments. Therefore, the application can not be limited in these embodiments shown in this article, but be met the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a watermark embedding method, it is characterised in that, comprising:
When detecting that the multimedia collection unit of electronics gathers multi-media, obtain the multi-media that described multimedia collection unit gathers;
In the multi-media collect preset identification image as watermark embedment to described multimedia collection unit, generate the multi-media containing watermark;
Store the described multi-media containing watermark.
2. method according to claim 1, it is characterised in that, in the described multi-media that preset identification image is collected as watermark embedment to described multimedia collection unit, comprising:
Described preset identification image is embedded in the destination multimedia that described multimedia collection unit collects as invisible watermark.
3. method according to claim 1, it is characterised in that, described in detect described electronics multimedia collection unit gather multi-media, comprising:
The image acquisition units picked-up video of electronics detected;
Then before preset identification image is in the multi-media that watermark embedment collects to described multimedia collection unit, also will comprise:
When detecting that described electronics triggers described image acquisition units termination picked-up video, it is determined that the target video that described image acquisition units collects;
Then in the described multi-media that preset identification image is collected as watermark embedment to described multimedia collection unit, comprising:
Using described preset identification image as watermark embedment in described target video.
4. method according to claim 1, it is characterised in that, described when detecting that the multimedia collection unit of electronics gathers multi-media, obtain the multi-media that described multimedia collection unit gathers, comprising:
When the image acquisition units picked-up video of described electronics being detected, intercept and capture the video that described multimedia collection unit gathers;
Before preset identification image is in the multi-media that watermark embedment collects to described multimedia collection unit, also will comprise described:
Determine the target video that current time is intercepted and captured;
Then in the described multi-media that preset identification image is collected as watermark embedment to described multimedia collection unit, comprising:
Using described preset identification image as watermark embedment in described target video, until detecting that described electronics triggers described image acquisition units and terminates picked-up video.
5. method according to claim 3 or 4, it is characterised in that, described using preset identification image as watermark embedment to, in described target video, comprising:
Extract the crucial frame in described target video, using described preset identification image as watermark embedment in the crucial frame of described target video.
6. method according to claim 1, it is characterised in that, when detect electronics trigger multimedia collection unit gather multi-media time, obtain described multimedia collection unit gather multimedia while, also comprise:
Obtain described preset identification image.
7. method according to the arbitrary item of Claims 1-4 or 6, it is characterised in that, described preset identification image comprises:
Preset fingerprint image.
8. a watermark embedding device, it is characterised in that, comprising:
Media acquiring unit, for when detecting that the multimedia collection unit of electronics gathers multi-media, obtaining the multi-media that described multimedia collection unit gathers;
Embedded unit, for, in the multi-media that collected as watermark embedment to described multimedia collection unit by preset identification image, generating the multi-media containing watermark;
Storage unit, for storing the described multi-media containing watermark.
9. device according to claim 8, it is characterised in that, described embedded unit, comprising:
Invisible embedded unit, for being embedded into described preset identification image in the destination multimedia that described multimedia collection unit collects as invisible watermark.
10. device according to claim 8 or claim 9, it is characterised in that, described preset identification image comprises:
Preset fingerprint image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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