CN100391745C - Printing method of security file inlaid with anti-copying back-lines - Google Patents
Printing method of security file inlaid with anti-copying back-lines Download PDFInfo
- Publication number
- CN100391745C CN100391745C CNB2005100766967A CN200510076696A CN100391745C CN 100391745 C CN100391745 C CN 100391745C CN B2005100766967 A CNB2005100766967 A CN B2005100766967A CN 200510076696 A CN200510076696 A CN 200510076696A CN 100391745 C CN100391745 C CN 100391745C
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- China
- Prior art keywords
- shading
- duplication preventing
- printing
- data
- digital watermark
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/10—Watermarks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
Abstract
The present invention relates to a method for printing a security file embedded with copying preventing shading, which belongs to the technical field of printing files. The existing copying preventing technique needs expensive special printing paper of the copying preventing shading, and the copying preventing security shading has low freedom degrees of design. The method of the present invention integrates a module for generating the copying preventing security shading into a printer driver; the module can transfers parameters to the printer driver through an interface function, and then the printer driver can call a corresponding functional module to generate digital watermarking data containing the copying preventing security shading and stores the data into a page describing file; then data of normally printed files is merged with a digital watermarking data file to generate and print a new data file. By adopting the method of the present invention, the purpose that the copying preventing security shading can be prevented from being printed when the normal file data is printed, so the method is suitable for plain paper, and the copying preventing security shading can be designed freely.
Description
Technical field
The invention belongs to the document printing techniques field, relate to a kind of document printing method of anti-duplicating, relate in particular to a kind of by printing a kind of method that the shading-duplication preventing of imbedding safety drawing is distinguished document original paper and copy simultaneously in the bottom of original document.
Background technology
Paper is the important carrier that information is propagated, and it is particularly important that the function of keeping secret of printed text also just shows, and for example classified papers have just become problem with testimonial improper duplicating, and this has promoted the development of antiforge technology to a certain extent.Printing technology false proof will have accurate printing equipment and supporting with it printing ink, paper etc.If can monopolize computer composition printing equipment and raw material or certain technology that other people do not grasp of a cover high, precision and frontier, or do not have enough financial resources imitated, the antiforge technology just can play one's part to the full.Common antiforge technology has version escutcheon brush of intaglio printing, hand engraving version impression, engraving making sheet, rainbow printing, computer creation or the like.But there are two problems in the antiforge technology, and the cost of one printing is than higher, and the quality of antifalse effect depends on the factors such as size of the quality of printing, plate-making and printing difficulty, disposable apparatus investment.Antifalse effect is unreasonable to be thought, corresponding cost of manufacture is also just high more, thereby has only very rich enterprise of fund and technical force, just can adopt; Its two identification and judgement that is not easy to the document true and false.The higher anti-counterfeiting technology of printing difficulty mainly is with the naked eye to go identification where necessary by the people, does not have the people of commercial printing knowledge to be difficult to distinguish exactly the true and false for those.Above-mentioned anti-counterfeiting technology is to a certain degree stoping the adulterator to duplicate the behavior of identical document, but is faced with the growing duplicating or the challenge of scanning device.
Be worth causing that what pay special attention to and pay attention to is duplicator in the office automation auxiliary equipment, it is the most indispensable auxiliary equipment in the business automation equipment.No matter modern duplicator has all reached very high level on the function or on printing quality.What have has an intelligent editing ability, can also realize that many duplicators connect mutual transmission information.The duplicator that some are more senior even can also realize color photocopying, the banknote that prints off can reach the degree of looking genuine.This ability of duplicator make it efficiently high texture print various documentations, alleviated clerical workforce's the amount of labour of copying widely, improved office efficiency, be subjected to clerical workforce's very big welcome.But simultaneously, it also makes to maintain secrecy takes precautions against the new problem that faces, and the confidential document data is easy to be copied in transmittance process and causes out of controlly, and duplicator becomes the instrument that makes things convenient for of letting out, stealing secret information.Intercepting and capturing the confidential document data overwhelming majority who takes the border out of from customs in recent years is that the situation of copy just can be seen the serious of this problem.Address this problem, except strengthening that duplicator is duplicated the management and control of confidential document data, the anti-reprography of confidential document data is used in also necessary research.
Use special anti-copy paper to open can to reach the anti-purpose of duplicating of document, the surface of paper scribbles the protective layer of special material, when duplicating or during the scanning special identifier, sign can only be made into black-and-white two color, and shows and has the VOID printed words to make imitated failure.Because the cost opened of anti-copy paper is higher, the anti-counterfeiting mark of making in this way generally is used for the packing of commodity such as computer software and cosmetics, uses plain paper and print document more.Shading-duplication preventing printing dedicated paper had appearred afterwards, it is exactly prior printing last layer shading-duplication preventing below normal document data, imbed printed words such as " forbid duplicate ", " COPY " that are difficult to recognize, " VOID " in the shading in advance, when document during by improper duplicating, these literal just observably display, and can clearly be judged as copy in view of the above.But this shading-duplication preventing printing dedicated paper not only costs an arm and a leg, and the free degree of shading design is lower.Arrival along with the digital printing epoch, important documents such as increasing marketable securities, certificate and bill are all exported on printer, requirement for the printing paper tensor increases substantially, and also more and more higher with anti-fraud functional requirement to maintaining secrecy, so existing shading-duplication preventing printing dedicated paper is difficult to satisfy present needs.
Technical scheme
The objective of the invention is defective, propose a kind of Method of printing that is embedded with the security document of shading-duplication preventing at prior art.This method can print the security document with shading-duplication preventing by common printing paper and PRN device, thereby has reduced the cost of printing this type of document to a great extent, and this method can freely design shading-duplication preventing, has good flexibility.
For reaching above purpose, the technical solution used in the present invention is:
A kind of Method of printing of security document of embedded shading-duplication preventing may further comprise the steps:
(1) integrated graphic user interface GUI (Graphical User Interface) in printer driver at first with the functional module that generates shading-duplication preventing, in printer driver, call the nucleus module that generates the shading-duplication preventing function then, and according to the technical parameter generation digital watermark data that is provided with, head at digital watermark data increases the illustrative character string, and this watermark data is kept in the corresponding page description file, described digital watermark data comprises background patterns zone, mark character area and three parts of interference pattern;
When (2) printing document, printer driver is searched for the illustrative character string that increases in advance in comprising the page description file of digital watermark data, and read thereafter total data, the data file of the normal document that will intercept and capture and digital watermark data file merge then, generate final page description file;
(3) data file after the merging has obtained final dot array data after handling through grating-based processor, prints output by printer at last.
Further, when in printer driver, calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1), shade color and density are set in the GUI of shading-duplication preventing functional module, choose interference pattern by the user.
When calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1) in printer driver, whether content, font attribute, position, angle and mark literal that the mark literal is set in the GUI of shading-duplication preventing functional module by the user repeat to be tiled in the space of a whole page.
When in printer driver, calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1), imbed date printed and printer IP address information in the shading-duplication preventing simultaneously.
Nucleus module generation digital watermark data by the shading-duplication preventing function in the step (1) is kept at through among PDL PS2, the PS3, PCL5 or the PCL6 that expand.
When in printer driver, calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1), the gray value information of background area keeps when being chosen in the document duplicating in the GUI of shading-duplication preventing functional module, and the gray value information in marker word zone is lost; Perhaps the gray value information of background area is lost, and the gray value information in marker word zone keeps.
Further, when normal data file and digital watermarking file merge in the step (2), the digital watermark data that contains shading-duplication preventing be in normal document data below.
Further again, the page description file processor support in the printer has the explanation of the page description file of different linked network order numbers.
Effect of the present invention is: adopt method of the present invention, realized on common paper, printing the security document that has anti-duplicating security pattern, and, the arrangement mode of shading-duplication preventing literal can also freely be set by the present invention, the font of hiding can change arbitrarily, the method of printing is simple and convenient, thereby has solved the problem that the anti-reprography in present printing field faces well.
By technical scheme of the present invention, below the confidential document data attaching print one deck shading-duplication preventing, the gray scale of this shading is more shallow, visual effect that can the normal document of overslaugh; It is shielded confidential document that printing has the document of shading-duplication preventing; when the document scans on duplicator or scanner; can not be sampled fully in the subregion of shading-duplication preventing, the mark literal of imbedding in advance will display, thereby can be easy to distinguish document copy and original paper.
Gray value in the method for the present invention in background area and the mark character area is more approaching, so the marker word concealment effect is more satisfactory, casual checking can not be found hiding Info wherein.
Document printing method of the present invention has very big flexibility, because printing type is more convenient, prints when can realize document data and security pattern data.
The method of the invention is applicable to any one multi-function peripheral MFP (MultifunctionalPrinter) and common printer apparatus, and different movements is for the requirement difference of gray value.
The document printing method of the embedded shading-duplication preventing that the present invention proposes goes for common paper, convenient management.
Description of drawings
Mark character area schematic diagram in Fig. 1 shading-duplication preventing
Background patterns schematic diagram in Fig. 2 shading-duplication preventing
Interference pattern schematic diagram in Fig. 3 shading-duplication preventing
The local enlarged diagram of Fig. 4 shading-duplication preventing
The direct printout schematic diagram of Fig. 5 shading-duplication preventing
The normal document data schematic diagram of Fig. 6
The result schematic diagram of Fig. 7 Fig. 5 after duplicating on the duplicator
Fig. 8 normal data and shading-duplication preventing printout simultaneously result schematic diagram
The result schematic diagram of Fig. 9 Fig. 8 after duplicating on the duplicator
Figure 10 schematic flow sheet of the present invention
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
At first in printer driver GUI, call graphic user interface DWM GUI (Digital Watermark GUI), and following technical parameter is set in the GUI of shading-duplication preventing functional module by user interface with generation digital watermarking shading-duplication preventing function by corresponding order button:
(1) select the interference pattern type, present embodiment has selected one group of sinusoidal line to arrange the curve group that forms;
(2) the input marking literal " is forbidden duplicating ";
(3) font name of selected marker word is " a Chinese row pattern ";
(4) font size that marker word is set is 72 pt;
(5) position of assigned tags word can be upper, middle and lower, a left side or right;
(6) angle of setting marker word is counterclockwise 45 degree;
(7) select whether to repeat to be tiled in the whole space of a whole page;
The background area half-tone information is lost still marker word area grayscale value information and is lost when (8) selecting document to duplicate, and present embodiment is selected the latter;
(9) grey level that shading-duplication preventing is set is 3.
After the user is provided with all technical parameters, print to drive and call the digital watermarking nucleus module Digital Watermark Core that generates shading-duplication preventing, printer driver is transmitted above-mentioned technical parameter by the corresponding interface function to Digital Watermark Core module, Digital Watermark Core module self is responsible for generating the digital watermark data that contains shading-duplication preventing, and is that the PS form is kept on the hard disk with these data with the page description file form.The beginning of this PS file comprises delegation's illustrative character string, another identification character is inserted in the back of character string, such as " 0x0A ", normal digital watermark data appends in the back of " 0x0A ", simultaneously the absolute path name of digital watermark data file is returned to printed driver.
The whole structure of the shading-duplication preventing that Digital Watermark Core module generates as shown in Figure 5.Fig. 4 is the schematic diagram after the local amplification of Fig. 5.The marker word pattern of shading-duplication preventing as shown in Figure 1, by schematic diagram as can be seen the marker word pattern form by the little sites at 45 degree net angles; The background patterns of shading-duplication preventing as shown in Figure 2, and background patterns is made up of the big sites at 45 degree net angles; Fig. 3 is the interference pattern in the shading-duplication preventing, and the pattern of interference pattern can have a lot, and its effect is exactly the vision that is used for disturbing the people.Marker word is to be embedded in the large-area background area, and interference pattern can attract the notice of human eye, thereby makes the better effects if that marker word is hidden.The gray value of adding background area and marker word zone is identical, so if do not examine, human eye is difficult to find to be concealed with among Fig. 5 the alert flag word of " forbidding duplicating " printed words.But the background area is big or small with the site in the marker word zone to be different with frequency, and duplicator is different to the ability of these two area samplings.When document duplicated on duplicator, the most of gray value information in the marker word zone was lost, thereby presents white space; Most of gray value information of background area is retained, and the caution printed words of " forbidding duplicating " display, and the effect schematic diagram of Fig. 5 after duplicating on the duplicator is shown in Figure 7, just can be easy to pick out copy and original paper with this.If the composition site of background patterns is than the site in the marker word pattern hour, the effect after the duplicating is then opposite, and promptly most of gray value information of background area is lost, and the most of gray value information in the marker word zone is retained.
After printer driver receives the pathname of the digital watermarking file that Digital Watermark Core returns, enter the merging process of normal document data file with the digital watermarking file:
(1) printer is intercepted and captured the PS file that the software for editing of front end sends, as shown in Figure 6;
(2) open corresponding PS file according to the pathname of digital watermarking file, search identifier " 0x0A ", read total data thereafter then;
(3) printer driver follows the data of digital watermarking PS file to combine the PS file data of normal document, generates a new PS file, and wherein the data supplementing of digital watermarking file is at the afterbody of normal document data.
PS file after printer driver will merge is transferred to the embedded grid image processor Rip (Raster Image processor) of printing and is handled, and Rip has the function of handling the PS file with the different linked network order numbers of support herein.Data with rasterized after Rip handles is delivered to final print out equipment.
By the effect after the printout of the present invention as shown in Figure 8, be not difficult to find marker word information hiding in the shading-duplication preventing if carefully do not distinguish equally, but the effect after duplicating as shown in Figure 9, can distinguish Fig. 8 obviously for printing the original paper of document, and Fig. 9 then is a copy.
Print when can realize normal document data and digital watermark data easily by the present invention, the print speed ratio is very fast, and can make amendment to the various attributes of marker word neatly in the print procedure.This method is applicable to the printing of common paper, and cost is cheaper, thereby has satisfied user's demand well.
Figure 10 is an overall flow schematic diagram of the present invention.
Above-mentioned steps be one preferred embodiment.Those skilled in the art be not difficult to draw other implementation method and without prejudice to overall thought of the present invention.
Wherein the interference pattern in the shading-duplication preventing can be designed to any pattern.
Wherein the marker word in the shading-duplication preventing can be replaced by the Logo picture of other safety drawing, company, individual's signature.
Wherein the nucleus module of shading-duplication preventing function generates digital watermark data and can preserve into other PDL (PDL), as PCL5 or PCL6.
Wherein the normal data file can have different combinations with the digital watermarking file.
Wherein shading-duplication preventing can be divided into different zones, and each zone is provided with different mark printed words and gray value information, thereby can obtain different effects, simultaneously because the difference of gray value information can adapt to the different China ink amount setting of duplicating well.When the China ink amount of duplicator is provided with when excessive or too small, the effect in the possible subregion lost efficacy, but effects may be very desirable in other zones.
Claims (8)
1. the Method of printing of the security document of an embedded shading-duplication preventing may further comprise the steps:
(1) integrated graphic user interface GUI in printer driver at first with the functional module that generates shading-duplication preventing, in printer driver, call the nucleus module that generates the shading-duplication preventing function then, and according to the technical parameter generation digital watermark data that is provided with, head at digital watermark data increases the illustrative character string, and this watermark data is kept in the corresponding page description file, described digital watermark data comprises background patterns zone, mark character area and three parts of interference pattern;
When (2) printing document, printer driver is searched for the illustrative character string that increases in advance in comprising the page description file of digital watermark data, and read thereafter total data, the data file of the normal document that will intercept and capture and digital watermark data file merge then, generate final page description file;
(3) data file after the merging has obtained final dot array data after handling through grating-based processor, prints output by printer at last.
2. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 1, it is characterized in that: when in printer driver, calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1), by the user shade color and density are set in the graphic user interface of shading-duplication preventing functional module, choose interference pattern.
3. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 1, it is characterized in that: when calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1) in printer driver, whether content, font attribute, position, angle and mark literal that the mark literal is set in the graphic user interface GUI of shading-duplication preventing functional module by the user repeat to be tiled in the space of a whole page.
4. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 2, it is characterized in that: when in printer driver, calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1), imbed date printed and printer IP address information in the shading-duplication preventing simultaneously.
5. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 1 is characterized in that: generate digital watermark data by the nucleus module of shading-duplication preventing function in the step (1) and be kept among page description file PS2, PS3, PCL5 or the PCL6 through expansion.
6. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 1, it is characterized in that: when normal data file and digital watermarking file merge in the step (2), the digital watermark data that contains shading-duplication preventing be in normal document data below.
7. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 1, it is characterized in that: when in printer driver, calling the nucleus module generation digital watermark data that generates the shading-duplication preventing function in the step (1), the gray value information of background area keeps when being chosen in the document duplicating in the graphic user interface GUI of shading-duplication preventing functional module, and the gray value information in marker word zone is lost; Perhaps the gray value information of background area is lost, and the gray value information in marker word zone keeps.
8. the Method of printing of the security document of a kind of embedded shading-duplication preventing as claimed in claim 1, it is characterized in that: the page description file processor support in the printer has the explanation of the page description file of different linked network order numbers.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100766967A CN100391745C (en) | 2005-06-13 | 2005-06-13 | Printing method of security file inlaid with anti-copying back-lines |
| PCT/CN2006/000853 WO2006133615A1 (en) | 2005-06-13 | 2006-04-29 | A printing method for the safe document with built-in copying-prevention shading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100766967A CN100391745C (en) | 2005-06-13 | 2005-06-13 | Printing method of security file inlaid with anti-copying back-lines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1709709A CN1709709A (en) | 2005-12-21 |
| CN100391745C true CN100391745C (en) | 2008-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100766967A Expired - Fee Related CN100391745C (en) | 2005-06-13 | 2005-06-13 | Printing method of security file inlaid with anti-copying back-lines |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN100391745C (en) |
| WO (1) | WO2006133615A1 (en) |
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| US8488136B2 (en) | 2006-05-12 | 2013-07-16 | Kyocera Document Solutions Inc. | Printing system and method, and recording medium |
| JP2008186176A (en) * | 2007-01-29 | 2008-08-14 | Canon Inc | Image processing apparatus, document merging method and control program |
| JP4366414B2 (en) | 2007-04-27 | 2009-11-18 | シャープ株式会社 | PRINT CONTROL DEVICE, PRINT SYSTEM, PRINT CONTROL METHOD, CONTROL PROGRAM, RECORDING MEDIUM |
| CN101246585B (en) * | 2007-12-27 | 2010-09-29 | 北京大学 | Method and device for imbedding and extracting watermark in digital image |
| CN101882059B (en) * | 2009-05-05 | 2014-07-02 | 山东新北洋信息技术股份有限公司 | Method and device for controlling and processing watermark printing |
| CN102019800B (en) * | 2009-09-09 | 2013-10-16 | 东莞东运机械制造有限公司 | Electronic sculpturing machine |
| US20110199647A1 (en) * | 2010-02-12 | 2011-08-18 | Kabushiki Kaisha Toshiba | Woven pattern image processing apparatus and woven pattern image processing method |
| CN102681976B (en) * | 2012-05-11 | 2015-07-01 | 珠海赛纳打印科技股份有限公司 | Document forming method, consistency judging method and system as well as imaging equipment and system |
| CN102704350B (en) * | 2012-05-29 | 2015-05-20 | 金红叶纸业集团有限公司 | Anti-copying paper and making method thereof |
| CN104200745A (en) * | 2014-08-07 | 2014-12-10 | 杭州豪波印务有限公司 | Patrol report form and generating method and anti-fake method thereof |
| CN105959509B (en) * | 2016-04-26 | 2019-01-04 | 中国银行股份有限公司 | The method and device of print is automatically added water while duplicating |
| CN106503497B (en) * | 2016-10-21 | 2019-06-21 | 国网黑龙江省电力有限公司信息通信公司 | Divulgence prevention method and anti-module of divulging a secret based on noise |
| CN106708449B (en) * | 2016-12-31 | 2019-12-17 | 金航数码科技有限责任公司 | negative color image watermark-based anti-copying method in monochrome printing |
| CN109190340A (en) * | 2018-09-13 | 2019-01-11 | 中国农业银行股份有限公司 | A kind of webpage digital watermarking generates, identification, Method of printing and device |
| CN111598763B (en) * | 2020-04-28 | 2023-06-02 | 南京新智客信息科技有限公司 | Method and system for extracting hidden watermark based on mobile phone and image enhancement |
| CN111597516B (en) * | 2020-04-28 | 2023-04-28 | 南京新智客信息科技有限公司 | Document anti-copying method and system based on hidden watermark |
| CN111597517B (en) * | 2020-04-28 | 2023-04-14 | 南京新智客信息科技有限公司 | Document anti-copying method and system based on image scrambling |
| CN113408684A (en) * | 2021-06-15 | 2021-09-17 | 福建正孚软件有限公司 | File anti-counterfeiting method and system based on identification |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2006133615A1 (en) | 2006-12-21 |
| CN1709709A (en) | 2005-12-21 |
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