CN104123105A - Printing digital watermark embedding technology - Google Patents
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- CN104123105A CN104123105A CN201310147017.5A CN201310147017A CN104123105A CN 104123105 A CN104123105 A CN 104123105A CN 201310147017 A CN201310147017 A CN 201310147017A CN 104123105 A CN104123105 A CN 104123105A
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Abstract
The invention discloses a printing digital watermark embedding technology. According to the printing digital watermark embedding technology, printing digital watermark embedding software composed of a particular image generation module, a particular image analysis module containing a digital watermark algorithm, an anti-fake information processing module and an anti-fake information embedding module is installed on a computer, a required digital image can be generated, anti-fake digital information can be recorded and edited, the image can be subjected to computation and analysis to obtain digital watermark information, the obtained digital watermark information can be embedded in the optimal position in the image, the anti-fake digital information can be embedded into the optimal position region of the image, and the generated image containing the digital watermark anti-fake information can be printed on a product needing protection. When the software is started, the whole process is completed automatically, and therefore the printing digital watermark embedding technology has the prominent advantages of being accurate, fast and convenient to use.
Description
Technical field
The invention belongs to printing, print digital watermark anti-fake technical field.Be specifically related to generate by computer software specific image (the specific region pattern that comprises painting and calligraphy pieces, file, bill, card, packing), particular image (comprising the patterns such as bar code, trade mark, sign, the insignia) technology that contains printing, prints digital watermark information, whether specific, the particular image of by smart mobile phone, being taken and identified printed matter, printed product contain the technology that digital watermark information determines whether it is true or false with mirror.
Background technology
The application of printing, printing goods relates to the various aspects of people's live and work, development along with infotech, the progress of high quality graphic input-output device, for people's work and life, brought many simultaneously easily, also make the forgery of the various packings of product, certificate, check, security and proof document and distort to become easy, traditional anti-counterfeiting technology can not be dealt with problems completely, causes lawless person to have opportunity.Prevent from forgery and distort showing important day, the demand of novel false proof and information security technology is also seemed to more urgent.Under this requirement background, digital watermark technology arises at the historic moment and has obtained development fast.
Digital watermarking (Digital Watermarking) technology, in digitized multi-medium data, to embed hidden mark by the method that signal is processed, this mark is normally sightless, only has by special-purpose detecting device or reader and could extract identification.
Printing, printing digital watermark technology are the Yi Ge branches of digital watermark technology.It is that a kind of printing of take or the image printed are carrier embed digital watermark information, by D/A switch, print or print on the medium of appointment, and to scan or to take printing, printed product, digital watermarking carrier image is obtained in touch/number conversion, carries out the technology of true and false discriminating or extraction digital watermark information.Embed digital watermark information in printing product image, need to be embedded into watermark information among the content of printing image.The digital watermark information embedding can be word, seal, fingerprint, trade mark or other sign etc., it is to be embedded among the content of printing product with visible, translucent, sightless form, and its watermark information can embed multilayer and can adopt the various array configurations of visible, translucent and sightless digital watermarking.Use printing, printing digital technology not to increase printing, the printing cost of product, do not change technological process, printing device and consumptive material that original printed matter is produced, also need not a large amount of capital assets of disposable input.
At present smart mobile phone is universal, and the particularly lifting of mobile phone computing power and image-capable, for people's live and work brings great convenience.Various cell phone softwares and application are also arisen at the historic moment.In the past, the application software that can only move on computers also can be used and easily operation now on mobile phone.Utilize handling property and the shoot function of smart mobile phone, in conjunction with printing, printing digital watermarking software detection extractive technique, can be more convenient effective to the false proof of printed matter, printed product, make the application of printing digital watermark technology more press close to consumers in general.
At present, specific, special printing image itself does not have antiforge function.These figures, image in issue, operational phase is as easy as rolling off a log is imitated or directly reprint, for example two-dimensional bar code itself does not possess security feature, the two-dimensional bar code of standard can generate by disclosed bar code international standard, even if added encryption anti-counterfeiting means, also can only be identified by specific installation, not there is the characteristic that allows the public identify and discern the false from the genuine." QS " authentication sign that and for example State Administration for Quality Supervision and Inspection and Quarantine is used, illegal enterprise can print or printing " QS " authentication sign equally easily in commodity external packing.So make these specific, special images there is security feature by technological means, in market economy environment, seem outstanding and urgent especially, urgently further research and solve.Enforcement of the present invention will solve the false proof field of this puzzlement technical barrier for many years well.
Summary of the invention
The object of the invention is to: for having outstanding problem in printed matter, the false proof field of printed product at present, for user provides a kind of, printed matter, printed product are had to excellent anti-fraud functional digital watermarking embedded technology, it has that processing speed is fast, the good concealment that hides Info that embeds, be difficult to copy, the outstanding advantages such as reprint, anti-counterfeiting performance specific, particular image has been brought up to a new height.
Solve the problems of the technologies described above, realize the object of the invention, adopt following technical proposals:
A printing digital watermarking embedded technology, includes following content:
Printing digital watermarking embedded software is installed on computers, this software composition includes: specific, particular image generation module, specific, the particular image analysis module that contain digital watermarking algorithm, anti-counterfeiting information processing module, and anti-counterfeiting information merge module; Install and start following working procedure after this software:
The first step, the image generation module in software reads in the required image that needs embed digital watermark information from computing machine, or the view data of embed digital watermark information as required, required specific, the special image in generating digital environment;
Second step, specific, particular image analysis module in software, to specific, the particular image in the digital environment obtaining from image generation module, with digital watermarking algorithm, it is carried out to the computational analysis based on spatial domain and frequency domain, obtain digital watermark information and can be embedded into best mode and the optimum position in described image, and on this image, with closed wire frame delineation, need the effective coverage of embed digital watermark information;
The 3rd step, by the required anti-counterfeiting information of computing machine typing, the information that relates to identity the information representing with written form or represent with image format that comprises that user uses, the anti-counterfeiting information processing module in software, described anti-counterfeiting information is carried out to numerical coding, generate false-proof digital coded message;
The 4th step, specific, particular image analysis module in software, by the relevant image information of the best mode of the digital watermark information embedded images of its acquisition and optimum position, input into anti-counterfeiting information merge module; Meanwhile, anti-counterfeiting information processing module, also by the false-proof digital coded message of its generation, is inputted into anti-counterfeiting information merge module; Anti-counterfeiting information merge module, by false-proof digital coded message and specific, the particular image that are marked with best embedded mode and best embedding position information, according to the region that is closed wire frame delineation on this image, merge, this false-proof digital coded message is hidden into the effective coverage Inner that is closed wire frame delineation the most at last;
The 5th step, anti-counterfeiting information merge module, by computing machine and external unit thereof, is merged specific, the particular image with the digital watermark anti-fake information that generate, prints or is printed on corresponding medium.
Specific, particular image analysis module in described software, include the digital watermarking algorithm of plurality of optional, can on image, set multiple digital watermarking anti-counterfeiting information and embed district.
The invention has the beneficial effects as follows:
(1) because the present invention only carries out false proof processing to specific, special image, specific, particular image content are not done to the false proof and software cryptography of technology, so, can carry out the false proof processing of digital watermark technology to specific, particular image arbitrarily.
(2) because the present invention differentiates the true and false specific, particular image, be according to specific, particular image, so without using specific equipment and specific, particular image identification facility, also without any need for special printing, printing material, do not change existing printing, typography flow process, only need carry out mobile phone shooting to specific, particular image, scan and obtain digital watermarking carrier image, can carry out true and false discriminating by corresponding digital watermarking handset identity software or computer software.So it is easy to use, with low cost,
(3) owing to using digital watermark technology to carry out false proof processing to specific, particular image in the present invention, and specific, particular image have been carried out to trickle modification, the mode of modification is corresponding with the anti-counterfeiting information of appointment, there is no image after unified modification.Can information specific, particular image be carried out dynamic associated with the anti-counterfeiting information that user uses in this way, this contingency table can make that each is specific, particular image has different anti-counterfeiting information now, namely there is no fixing anti-counterfeiting information, and each anti-counterfeiting information is corresponding with information specific, particular image.So use specific, particular image of the present invention to present irregularities, to the imitated of specific, particular image and caused great difficulty, greatly improved the anti-attack ability of anti-counterfeiting technology to lawless person.
(4) because the present invention is by using smart mobile phone to take specific, the printing of particular image that contains digital watermark anti-fake information, printed product, and extraction and the true and false specific, particular image of carrying out anti-counterfei waterprint are differentiated, so use the present invention's product specific, particular image to have antiforge function, the versatility of its false proof discriminating is high, the inventive method can be applied quickly and efficiently, and the social public credibility that improves quality product to hitting the counterfeit forgery of product has played vital role.
(5) owing to having adopted digital watermark anti-fake technology in the present invention, anti-counterfeiting information has very strong disguise, fragility in image, thereby has greatly improved the anti-counterfeit capability of printing and printed matter.
Accompanying drawing explanation
Fig. 1 is that printing of the present invention is specific, particular image digital watermarking embedded software composition diagram
Fig. 2 is that printing of the present invention is specific, particular image digital watermarking embedded software executive routine figure.
Fig. 3 is that printing of the present invention is specific, particular image digital watermarking embedded software runnable interface sectional drawing, and the carrier image that the two-dimensional bar code QR-Code of take is embodiment generates interface.
Fig. 4 is that printing of the present invention is specific, particular image digital watermarking embedded software runnable interface sectional drawing, and the digital watermark information that the two-dimensional bar code QR-Code of take is embodiment embeds interface.
embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail:
A printing digital watermarking embedded technology, includes following content:
Printing digital watermarking embedded software is installed on computers, this software composition includes: specific, particular image generation module, specific, the particular image analysis module that contain digital watermarking algorithm, anti-counterfeiting information processing module, and anti-counterfeiting information merge module; Install and start following working procedure after this software:
The first step, the image generation module in software reads in the required image that needs embed digital watermark information from computing machine, or the view data of embed digital watermark information as required, required specific, the special image in generating digital environment;
Second step, specific, particular image analysis module in software, to specific, the particular image in the digital environment obtaining from image generation module, with digital watermarking algorithm, it is carried out to the computational analysis based on spatial domain and frequency domain, obtain digital watermark information and can be embedded into best mode and the optimum position in described image, and on this image, with closed wire frame delineation, need the effective coverage of embed digital watermark information;
The 3rd step, by the required anti-counterfeiting information of computing machine typing, the information that relates to identity the information representing with written form or represent with image format that comprises that user uses, the anti-counterfeiting information processing module in software, this anti-counterfeiting information is carried out to numerical coding, generate false-proof digital coded message;
The 4th step, specific, particular image analysis module in software, by the relevant image information of the best mode of the digital watermark information embedded images of its acquisition and optimum position, input into anti-counterfeiting information merge module; Meanwhile, anti-counterfeiting information processing module, also by the false-proof digital coded message of its generation, is inputted into anti-counterfeiting information merge module; Anti-counterfeiting information merge module, by false-proof digital coded message and specific, the particular image that are marked with best embedded mode and best embedding position information, according to the region that is closed wire frame delineation on this image, merge, this false-proof digital coded message is hidden into the effective coverage that is closed wire frame delineation the most at last;
The 5th step, anti-counterfeiting information merge module, by computing machine and external unit thereof, is merged specific, the particular image with the digital watermark anti-fake information that generate, prints or is printed on corresponding medium.
Embodiment: a kind of printing digital watermarking embedded technology for two-dimensional barcode image
< < printing two-dimensional barcode image digital watermarking embedded software > > is installed on computers, and concrete installation process is undertaken by the prompting of this software.The composition of this software includes: two-dimensional barcode image generation module; The two-dimensional barcode image analysis module that contains digital watermarking algorithm; Anti-counterfeiting information processing module; And anti-counterfeiting information merge module.
After software installation, computing machine has just had the application master routine that Fig. 1 indicates, and shown in execution graph 2, program is carried out flow operations like clockwork.
During computer operation, start < < printing two-dimensional barcode image digital watermarking embedded software > >, can read in or generating two-dimension bar-code digital picture, automatically complete the executive routine of the < < printing two-dimensional barcode image digital watermarking embedded software > > shown in Fig. 2, complete digital watermark anti-fake Information hiding in two-dimensional barcode image, and the two-dimensional barcode image of this digital watermark anti-fake information will be contained, by printing or printing on the product needing protection, the effective protection of realization to product.
Fig. 3 is the main interface of < < two-dimensional bar code printing digital watermarking embedded software > >, represents input, the output interface of the two-dimensional barcode image that adds digital watermark anti-fake information.The two-dimensional bar code that left side, interface shows, for adding the carrier image before printing digital watermarking; The two-dimensional bar code that right side, interface shows, for adding the carrier image of printing digital watermark information.This image is not compared with adding the carrier image before printing digital watermarking, has more a similar foursquare closed wire frame, the effective coverage of having drawn a circle to approve printing digital watermarking embedded location in its profile.
Claims (2)
1. a printing digital watermarking embedded technology, includes following content:
Printing digital watermarking embedded software is installed on computers, this software composition includes: specific, particular image generation module, specific, the particular image analysis module that contain digital watermarking algorithm, anti-counterfeiting information processing module, and anti-counterfeiting information merge module; Install and start following working procedure after this software:
The first step, the image generation module in software reads in the required image that needs embed digital watermark information from computing machine, or the view data of embed digital watermark information as required, required specific, the special image in generating digital environment;
Second step, specific, particular image analysis module in software, to specific, the particular image in the digital environment obtaining from image generation module, with digital watermarking algorithm, it is carried out to the computational analysis based on spatial domain and frequency domain, obtain digital watermark information and can be embedded into best mode and the optimum position in described image, and on this image, with closed wire frame delineation, need the effective coverage of embed digital watermark information;
The 3rd step, by the required anti-counterfeiting information of computing machine typing, the information that relates to identity the information representing with written form or represent with image format that comprises that user uses, the anti-counterfeiting information processing module in software, described anti-counterfeiting information is carried out to numerical coding, generate false-proof digital coded message;
The 4th step, specific, particular image analysis module in software, by the relevant image information of the best mode of the digital watermark information embedded images of its acquisition and optimum position, input into anti-counterfeiting information merge module; Meanwhile, anti-counterfeiting information processing module, also by the false-proof digital coded message of its generation, is inputted into anti-counterfeiting information merge module; Anti-counterfeiting information merge module, by false-proof digital coded message and specific, the particular image that are marked with best embedded mode and best embedding position information, according to the region that is closed wire frame delineation on this image, merge, this false-proof digital coded message is hidden into the effective coverage Inner that is closed wire frame delineation the most at last;
The 5th step, anti-counterfeiting information merge module, by computing machine and external unit thereof, is merged specific, the particular image with the digital watermark anti-fake information that generate, prints or is printed on corresponding medium.
2. according to printing digital watermarking embedded technology claimed in claim 1, it is characterized in that: specific, particular image analysis module in described software, include the digital watermarking algorithm of plurality of optional, can on image, set multiple digital watermarking anti-counterfeiting information and embed district, and with closed wire frame delineation, need the effective coverage of embed digital watermark information so that extract, detect the localization method of digital watermark information on this image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310147017.5A CN104123105A (en) | 2013-04-25 | 2013-04-25 | Printing digital watermark embedding technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310147017.5A CN104123105A (en) | 2013-04-25 | 2013-04-25 | Printing digital watermark embedding technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022801A (en) * | 2016-05-17 | 2016-10-12 | 长春理工大学 | 3D printing encryption method |
| CN106934440A (en) * | 2017-03-14 | 2017-07-07 | 珠海丹德图像技术有限公司 | The method and system of embedding information in a kind of coding information |
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| JP4526997B2 (en) * | 2005-04-19 | 2010-08-18 | 大日本印刷株式会社 | Layout editing device, computer program, recording medium |
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| JP4526997B2 (en) * | 2005-04-19 | 2010-08-18 | 大日本印刷株式会社 | Layout editing device, computer program, recording medium |
Non-Patent Citations (1)
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| 滕旭: "基于二维码的数字水印技术研究与改进", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106022801A (en) * | 2016-05-17 | 2016-10-12 | 长春理工大学 | 3D printing encryption method |
| CN106934440A (en) * | 2017-03-14 | 2017-07-07 | 珠海丹德图像技术有限公司 | The method and system of embedding information in a kind of coding information |
| CN106934440B (en) * | 2017-03-14 | 2019-12-24 | 珠海丹德图像技术有限公司 | Method and system for embedding information into coded information |
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