CN106803118A - Anti-counterfeiting mark and recognition methods based on stealthy private mark technology - Google Patents
Anti-counterfeiting mark and recognition methods based on stealthy private mark technology Download PDFInfo
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- CN106803118A CN106803118A CN201611257752.1A CN201611257752A CN106803118A CN 106803118 A CN106803118 A CN 106803118A CN 201611257752 A CN201611257752 A CN 201611257752A CN 106803118 A CN106803118 A CN 106803118A
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- Prior art keywords
- mark
- private mark
- private
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- counterfeiting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06046—Constructional details
- G06K19/06103—Constructional details the marking being embedded in a human recognizable image, e.g. a company logo with an embedded two-dimensional code
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10554—Moving beam scanning
- G06K7/10564—Light sources
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Editing Of Facsimile Originals (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The invention discloses a kind of anti-counterfeiting mark based on stealthy private mark technology and its recognition methods.The anti-counterfeiting mark based on stealthy private mark technology, including bottom 1, hide information layer 2, interference layer 3;The recognition methods of the above-mentioned anti-counterfeiting mark based on stealthy private mark technology, including independently developed private mark anti-counterfeit recognition software, the above-mentioned anti-counterfeiting mark based on stealthy private mark technology is taken pictures, private mark anti-counterfeiting mark image is obtained by taking pictures and is decoded, so as to show the effective information being hidden in private mark.The present invention is encoded by imbedding hide information in screen figure layer, and increase interference layer 3 on information encoding layer, so that fake producer's None- identified goes out the real effective information corresponding with article, and it is distinguish true from false by terminal APP, the antiforge function and simplicity of significant increase product.
Description
Technical field
The present invention relates to field of anti-counterfeit technology, more particularly to a kind of anti-counterfeiting mark and identification side based on stealthy private mark technology
Method.
Background technology
With continuing to develop for China's packages printing industry, Packaging Printing Product has extremely wide application prospect, and
Counterfeit and shoddy goods are generally reached for the purpose of adulterating with counterfeit external packing.Although with laser holography and anti-fake material
Also continued to bring out etc. new method for anti-counterfeit, but printed matter replicate seem it is excessively complicated and to the dependence of equipment than larger, increase anti-
Pseudo- cost, and it is unfavorable for that consumer distinguish true from false.Therefore, Antiforge recognizing method is simple, be difficult to the false proof of imitated and low cost
Technology is following developing direction.
The utilization hiding information that currently there are realizes that false proof technology has grating unlocking technology, half-tone screen code skill
Art, carbon containing ink dot matrix are false proof etc., are can be found that from domestic and international research conditions above, although have many based on printing both at home and abroad
The anti-counterfeiting technology of image, but still need just be told truth from falsehood using special extra decoding piece or instrument mostly, still with very
Big limitation.
The method for also carrying out anti-counterfeit recognition using internet and electron scanning has bar code identification, RFID identifications, NFC etc.,
These identification technologies all must be set up a single database, when authenticity of products is verified, at least need by more than twice
Connection database and communication equipment could realize checking, the cumbersome high cost of process.
The content of the invention
It is an object of the invention to overcome shortcoming present in above-mentioned prior art with deficiency, there is provided one kind is based on stealthy dark
The anti-counterfeiting mark of code technology and recognition methods, it is not necessary to extra decoding piece or instrument, it is not necessary to set up database, and embedment letter
Breath amount is big, cataloged procedure simple, identification is convenient.
The purpose of the present invention is achieved through the following technical solutions:
A kind of anti-counterfeiting mark based on stealthy private mark technology, is a private mark that fake certification is realized with reference to the false proof APP of private mark
Mark, the private mark is designated square but is not limited to square, the length of side >=1.5cm, image resolution ratio >=300dpi;It is described dark
Code mark includes bottom 1, hide information layer 2 and interference layer 3, and the hide information layer 2 is arranged at the bottom 1 with interference layer 3
Between.
The bottom 1 is to adjust screen to process by half to obtain, by the equal circular shaped lattice point arrangement group of in the same size, spacing
Into output resolution ratio is equal with image resolution ratio;Angle of halftone screen line is 45 ° or 135 °.
The hide information layer 2 is to intercept base map site as effective information layer according to embedment graphic profile, therefore is also
Rearranged by half equal tune screen circular shaped lattice point of in the same size, spacing, hide information layer 2 on bottom 1, angle of halftone screen line
It is consistent with the angle of halftone screen line of bottom 1.
The interference layer 3 is to adjust screen to process by half to obtain, by half equal tune screen circular net of in the same size, spacing
Point is rearranged, and on hide information layer 2, angle of halftone screen line is 15 ° or 75 ° to interference layer 3.
The private mark mark has been made in image processing software Adobe Photoshop 1.0 and more than 1.0 versions
Into.
The recognition methods of the anti-counterfeiting mark based on stealthy private mark technology, comprises the following steps:
Mother matrix 4, the mother matrix 4 are made in image processing software Adobe Photoshop 1.0 and more than 1.0 versions
It is to adjust screen to process by half to obtain, is rearranged by the half tune screen linear lines that width is equal, spacing is equal, rectilinear angle
Degree is consistent with the angle of halftone screen line of bottom 1, is 45 ° or 135 °, and face shaping is consistent with private mark mark;
The mother matrix 4 is placed in the false proof APP softwares of private mark;
Private mark APP clients are installed on mobile phone, are clicked on after installation and is opened private mark APP, then by camera watch region just
To private mark anti-counterfeiting mark surface but not limited to this angle, it is ensured that private mark anti-counterfeiting mark is entirely fallen in camera watch region;
Dub screen to take pictures private mark anti-counterfeiting mark, the process taken pictures obtains private mark identification image, and by meter
Calculate, so as to embody the hide information layer 2 of private mark layer 5;
After the completion of taking pictures, private mark APP interfaces will feed back identification interface, and identification interface includes validation region and other letters
Breath region, can be distinguish true from false or further by other information true-false inquiring by validation region.
The present invention has the following advantages and effect relative to prior art:The present invention is hidden by imbedding in screen figure layer
Shape information is encoded, and increases interference layer 3 on information encoding layer so that fake producer's None- identified go out it is corresponding with article true
Positive effective information, and being distinguish true from false by terminal APP, the antiforge function and simplicity of significant increase product.
Brief description of the drawings
Fig. 1 is the structural representation of the anti-counterfeiting mark based on stealthy private mark technology of the present invention;
Fig. 2 is the anti-counterfeiting mark recognition principle structural representation based on stealthy private mark technology of the present invention;
Fig. 3 is the schematic diagram in kind of the anti-counterfeiting mark based on stealthy private mark technology of the present invention;
Fig. 4 is the schematic diagram in kind of mother matrix 4 of the anti-counterfeiting mark based on stealthy private mark technology of the present invention;
Fig. 5 is schematic diagram in kind after the anti-counterfeiting mark identification based on stealthy private mark technology of the present invention.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
Embodiment
As shown in figure 1, a kind of anti-counterfeiting mark Making programme based on stealthy private mark technology, including following several main steps
Suddenly:
(1) use image processing software Adobe more than 1.0 or 1.0 versions of Photoshop, newly-built size be 2.5cm ×
2.5cm, resolution ratio are the blank document of 640 pixel/inch;
(2) by newly-built blank document, the black of filling 40%, and halftone pattern plan screening is carried out, half adjusts the output of screen
It is 640 pixel/inch that resolution ratio is consistent with document resolution, and the frequency of half tune screen is 40 lines/inch, and half adjusts the angle of screen
45 ° are set to, that partly adjusts screen is shaped as circle, so far complete bottom 1 and make;
(3) complete bottom 1 on the basis of make hide information layer 2, hiding information in need be all by the bottom of at
Obtained after being anticipated on layer 1.Bottom 1 is primarily used to one " profile " of the hiding information of acquisition needs in other words
It is " constituency ", therefore, bottom 1 falls within tectonic information layer.No matter be intended to implicit pattern, word or other information, be all
This layer obtains " profile " of hiding information, then carries out embedment operation.
Illustrated by taking the embedment of Chinese character as an example below:
Being input into first in the figure layer of bottom 1 needs hiding Chinese character, adjustment font size to appropriate size;Word is carried
Enter constituency, then choose bottom 1, and replicate constituency, so far obtain hide information layer 2;Delete or hide the Chinese character being above input into
Layer, chooses hide information layer 2, with instrument is amplified, figure layer is amplified into maximum rating, clicks on mobile instrument, the keypad side of moving to left
To key (i.e. " ← " key), hide information layer 2 is moved to the left into 11 pixels, and (mobile pixel count adjusts screen output frequency according to half
To determine), then complete the embedment operation of hide information.
(4) after completing information embedment, interference layer 3 is made.More than basis on, newly-built figure layer and filling 25% it is black
Color, and halftoning simulation screening is carried out to it, output resolution ratio is similarly 640 pixel/inch, and the frequency of half tune screen is 40
Line/inch, half adjusts the angle of screen to be set to 15 °, and that partly adjusts screen is shaped as circle, so far completes interference layer 3 and makes;
(5) interference for completing layer 3 is replicated and is pasted on hide information layer 2, and by " figure layer mixed mode " more
It is changed to " positive folds bottom ";
(6) it is a figure layer to merge bottom 1, hide information layer 2 and interference layer 3, while treatment is optimized to it, then it is complete
Into private mark layer 5 making, as shown in Figure 3.
A kind of recognition methods based on stealthy private mark technology anti-counterfeiting mark:
Recognized using the private mark anti-counterfeit recognition APP softwares of independent development.Its principle is the mother matrix 4 that will be completed by compiling
Journey is built in private mark anti-counterfeit recognition APP, and when alignment private mark is taken pictures, APP obtains private mark image, while dark using mother matrix 4 pairs
Code layer 5 is verified, so as to show hiding information.
The effect of mother matrix 4 is to make hiding presentation of information out, is comprised the following steps that:
(1) image processing software Adobe more than 1.0 or 1.0 versions of Photoshop, newly-built blank document, document are used
Parameter is set according to the parameter of private mark document, and size is 2.5cm × 2.5cm, resolution ratio is 640 pixel/inch;
(2) by the black of document filling 60%, and halftone pattern plan screening is carried out, half adjusts the output resolution ratio and text of screen
Shelves resolution ratio is unanimously 640 pixel/inch, and the frequency of half tune screen is 40 lines/inch, and half adjusts the angle of screen to be set to 45 °,
That partly adjusts screen is shaped as straight line, so far completes mother matrix 4 and makes, as shown in Figure 4.
Private mark anti-counterfeit recognition APP operational processes mainly include:
(1) private mark IMAQ
Terminal recognition equipment (mobile phone) installs private mark anti-counterfeit recognition APP and enters fake certification system.Prompting according to APP is entered
Row focusing, shoots the region comprising complete private mark image.
(2) extraction of private mark image
Private mark image is obtained in the original image of collection from flow (1).It is required that user terminal identification equipment (mobile phone) must
There must be camera function, the preview of camera can be started.
(3) mobile phone checking shows with result
It is input object with the private mark image for extracting by verification algorithm, is output as the hiding information included in private mark,
As shown in Figure 5.
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (6)
1. a kind of anti-counterfeiting mark based on stealthy private mark technology, it is characterised in that realize false proof testing with reference to the false proof APP of private mark for
The private mark mark of card, the private mark is designated square but is not limited to square, the length of side >=1.5cm, and image resolution ratio >=
300dpi;The private mark mark includes bottom 1, hide information layer 2 and interference layer 3, and the hide information layer 2 is arranged at the bottom
Between layer 1 and interference layer 3.
2. anti-counterfeiting mark according to claim 1, it is characterised in that the bottom 1 is to adjust screen to process by half to obtain,
Rearranged by the equal circular shaped lattice point of in the same size, spacing, output resolution ratio is equal with image resolution ratio;Angle of halftone screen line is
45 ° or 135 °.
3. anti-counterfeiting mark according to claim 1, it is characterised in that the hide information layer 2 is according to embedment picture and text wheel
Exterior feature interception base map site is also to be arranged by half equal tune screen circular shaped lattice point of in the same size, spacing as effective information layer
Row composition, hide information layer 2 is on bottom 1, and angle of halftone screen line is consistent with the angle of halftone screen line of bottom 1.
4. anti-counterfeiting mark according to claim 1, it is characterised in that the interference layer 3 is to adjust screen to process by half
Arrive, by the same size, spacing it is equal half tune screen circular shaped lattice point rearrange, interference layer 3 hide information layer 2 on, net
Point angle is 15 ° or 75 °.
5. anti-counterfeiting mark according to claim 1, it is characterised in that the private mark mark is in image processing software
Completed in the versions of Adobe Photoshop 1.0 and more than 1.0.
6. the recognition methods of the anti-counterfeiting mark based on stealthy private mark technology described in claim 1, it is characterised in that including following step
Suddenly:
Mother matrix 4 is made in image processing software Adobe Photoshop 1.0 and more than 1.0 versions, the mother matrix 4 is also logical
More than half tune screens treatment are obtained, and are rearranged by the half tune screen linear lines that width is equal, spacing is equal, straight line angle with
The angle of halftone screen line of bottom 1 is consistent, is 45 ° or 135 °, and face shaping is consistent with private mark mark;
The mother matrix 4 is placed in the false proof APP softwares of private mark;
Private mark APP clients are installed on mobile phone, are clicked on after installation and is opened private mark APP, then by camera watch region just to dark
Code anti-counterfeiting mark surface but not limited to this angle, it is ensured that private mark anti-counterfeiting mark is entirely fallen in camera watch region;
Dub screen to take pictures private mark anti-counterfeiting mark, the process taken pictures obtains private mark identification image, and by calculating, from
And embody the hide information layer 2 of private mark layer 5;
After the completion of taking pictures, private mark APP interfaces will feed back identification interface, and identification interface includes validation region and other information area
Domain, can be distinguish true from false or further by other information true-false inquiring by validation region.
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CN201611257752.1A CN106803118A (en) | 2016-12-30 | 2016-12-30 | Anti-counterfeiting mark and recognition methods based on stealthy private mark technology |
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CN201611257752.1A CN106803118A (en) | 2016-12-30 | 2016-12-30 | Anti-counterfeiting mark and recognition methods based on stealthy private mark technology |
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Cited By (2)
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CN108647659A (en) * | 2018-05-16 | 2018-10-12 | 臧戈平 | A method of hidden image in decryption printed matter is analyzed based on digital video image |
CN111556221A (en) * | 2020-05-14 | 2020-08-18 | 陕西科技大学 | Printed matter halftone information hiding and hiding method based on electronic hiding tool |
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