CN109766975A - The infrared complementary identification and false proof method of two dimensional code covering - Google Patents
The infrared complementary identification and false proof method of two dimensional code covering Download PDFInfo
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Abstract
A kind of infrared complementary identification and false proof method of two dimensional code covering, the method for anti-counterfeit generates two width sizes by two anti-counterfeiting information, the identical image in 2 D code of size and shape, first width image in 2 D code complementation is divided into two parts image, second part printing image after segmentation a piece of thin plate on the key, according to second part image generate pseudo-code image and and one width puppet image in 2 D code of first part's image construction, pseudo- image in 2 D code and the second width image in 2 D code are printed in the image in 2 D code area of printed matter using metamerism with color ink overlapping, show the second width image in 2 D code in image in 2 D code area under visible light, show pseudo- image in 2 D code in image in 2 D code area under infrared light, and replace pseudo-code image construction the first width image in 2 D code on pseudo- image in 2 D code using the image on key thin plate, it can be with this Method whether there is personation infringement problem to identify the printed matters such as label, bill, marketable securities.
Description
Technical field:
The present invention relates to a kind of method for anti-counterfeit, especially a kind of infrared complementary identification and false proof method of two dimensional code covering can be used for
Various printed matters it is anti-fake.
Background technique:
Method for anti-counterfeit relatively common at present has following several: the first is laser anti-false sign, with laser recessiveness ink fluorescent
The symbol of product or special identification icon are printed to the anti-fake label of product by ink-printing techniques, and same class product uses
Same labeling, because anti-fake label is easier to forge, and the anti-fake label forged is used on fake products, causes product
It is true and false to obscure, it is accordingly difficult to effectively anti-fake.Second is cipher counterfeit-proof labeling, and used method is that every product compiles one group
The coding of number, every product is different from, this number is printed on labeling and is covered, while can by this number deposit
For when consumer buys product, the number in mark is passed through phone or the meter that networks in the Computer Database of consumer query
Digital entering computer database in mark is compared identification by calculation machine, and identical is true, difference as vacation, method letter
Single, identification is easy, and is not easy to forge, but in actual use, prints labeling after generating because coded data is that computer is unified.It represents
The true and false coded data of product may be illegally duplicated fraud, meanwhile, the coding that coding also can be recycled on the product that do not inquire makes mark
And be attached on false pain product, antifalse effect it is difficult to ensure that.The third is texture anti-fake, anti-fake with the textural characteristics on its labeling, though
Right more difficult forgery, but the serial number due to being only marked with patch, and be plain code, every piece of mark can be inquired repeatedly, and fake producer can pass through warehouse
Phenomenon is copied the presence or absence of in the necessary textural characteristics i.e. grid reflected when administrator or shop-assistant are by serial number and inquiry on labeling
It is forged after attacking by this feature batch.4th kind is that metameric ink is anti-fake, and anti-fake metameric ink is based on metamerism
Identical color is presented using two kinds of substances in the anti-counterfeiting printing technology of phenomenon under a kind of light source, but under another light source,
But the phenomenon that presentation different colours, is realized anti-fake, but the ratio of metamerism is easier to measure, therefore antifalse effect is also difficult to
Guarantee.
In conclusion existing method for anti-counterfeit all has some disadvantages, thus cannot be from preventing fake products at all.
Summary of the invention:
In order to overcome existing various printed matter anti-counterfeiting printing technologies there are the shortcomings that, the present invention is anti-for existing printed matter
Deficiency existing for pseudo- printing technology improves the prior art, and it is anti-fake to propose a kind of infrared complementary identification of two dimensional code covering
Method, the method for anti-counterfeit generate the first width image in 2 D code by the first anti-counterfeiting information, by complementary point of the first width image in 2 D code
Be segmented into two parts image, the second part printing image after segmentation a piece of thin plate on the key, and according to second part image
Size, size and shape generate a width pseudo-code image, pseudo-code image and one width of first part's image construction split and the
The identical pseudo- image in 2 D code of the size of one width image in 2 D code, size and shape, generates second two by the second anti-counterfeiting information
Code image is tieed up, the first width image in 2 D code and the size of the second width image in 2 D code, size and shape are identical, by pseudo- two dimensional code
Image and the second width image in 2 D code are printed in the image in 2 D code area of printed matter using metamerism with color ink overlapping,
Show the second width image in 2 D code under visible light in the image in 2 D code area of printed matter, the second width can correctly be obtained by scanning
The information of image in 2 D code shows pseudo- image in 2 D code in the image in 2 D code area of printed matter under infrared light, utilizes thin plate key
Second part image on spoon replaces the complete first width two dimensional code figure of a width of the pseudo-code image construction on pseudo- image in 2 D code
Picture can correctly obtain the information of the first width image in 2 D code by scanning, can identify label in this way, bill, have
The printed matters such as valence security are with the presence or absence of personation infringement problem.
Metamerism typically refers to yellow black four member ink sets of green product into one group of ratio match with color ink, this group of ink exists
It is seen that identical color, i.e., homochromy under visible light；And under infrared light because yellow black four color ink of green product match different productions
The spectral difference that adds lustre to is different to show different colors, i.e., different spectrum, this phenomenon is referred to as metamerism phenomenon.
The technical solution adopted by the present invention to solve the technical problems is: the first width two dimensional code is made of the first anti-counterfeiting information
First width image in 2 D code complementation is divided into two parts image, the first part's image and second part after segmentation by image
Image can be complementary the complete first width image in 2 D code of composition, generated according to the size of second part image, size and shape
Pseudo-code image, size, the size and shape phase of first part's image and one width of pseudo-code image construction with the first width image in 2 D code
With puppet image in 2 D code, by the second part printing image after segmentation a piece of thin plate on the key,
The color matching ratio of yellow black four color ink of the green product of adjustment, generates two kinds and matches color ink, the first matches color ink under visible light
Show white, show black under infrared light, show black under visible light with color ink second, shows under infrared light white
Color,
Be made of the second width image in 2 D code the second anti-counterfeiting information, the first width image in 2 D code and the second width image in 2 D code it is big
It is small, size and shape are identical, the color lump in the color lump figure of the second width image in 2 D code and pseudo- image in 2 D code is all divided into two kinds, one
Kind is black color lump, and another kind is white color lump,
Second width image in 2 D code and pseudo- image in 2 D code are printed on printed matter using metamerism with color ink overlapping
In image in 2 D code area, and make the color corresponding with pseudo- image in 2 D code of the second width image in 2 D code on image overlapping region
Block coincides together correspondingly, and the color lump for corresponding coincidence can be divided into four classes, first kind color lump the second width two dimensional code
Image request shows white under visible light and pseudo- image in 2 D code requirement also shows white, the second class color lump under infrared light
Second width image in 2 D code requires to show black under visible light and pseudo- image in 2 D code requirement also show under infrared light it is black
Color, third class color lump the second width image in 2 D code require to show under visible light white and pseudo- image in 2 D code requirement infrared
Also show black under light, the 4th class color lump the second width image in 2 D code requires to show black and pseudo- two dimensional code figure under visible light
As requiring also to show white under infrared light,
First kind color lump on image overlapping region is printed using ordinary white ink, for the second class on image overlapping region
Color lump is printed using general black ink, and third class color lump on image overlapping region is printed using the first with color ink,
4th class color lump on image overlapping region is printed using second with color ink,
Show the second width image in 2 D code in the image in 2 D code area of printed matter under visible light, can correctly be obtained by scanning
The information of second width image in 2 D code,
Show pseudo- image in 2 D code in the image in 2 D code area of printed matter under infrared light, utilizes the second part of thin plate on the key
Image replaces the complete first width image in 2 D code of a width of the pseudo-code image construction on pseudo- image in 2 D code, can be just by scanning
The information of the first width image in 2 D code is really obtained,
The printed matters such as label, bill, marketable securities can be identified in this way with the presence or absence of personation infringement problem.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 the first width image in 2 D code.
Fig. 2 the second width image in 2 D code.
First part's image after the segmentation of Fig. 3 the first width image in 2 D code.
Second part image after the segmentation of Fig. 4 the first width image in 2 D code.
Fig. 5 puppet image in 2 D code.
Fig. 6 thin plate key image.
The local color lump figure of Fig. 7 puppet image in 2 D code and the second width image in 2 D code.
Specific embodiment
In fig. 1 and 2, image in 2 D code 1 is constituted by the first anti-counterfeiting information, two dimensional code figure is constituted by the second anti-counterfeiting information
As 2, image in 2 D code 1 is identical with the size of image in 2 D code 2, size and shape,
In Fig. 3, Fig. 4, Fig. 5 and Fig. 6,1 complementation of image in 2 D code is divided into two parts, first part's image after segmentation
1-1 and second part image 1-2 can be complementary composition image in 2 D code 1, according to the size of second part image 1-2, size and
Shape generates pseudo-code image 1-3, and first part image 1-1 and pseudo-code image 1-3 constitute size, the size with image in 2 D code 1
Puppet image in 2 D code 1-4 identical with shape, the second part image 1-2 after segmentation is printed on a piece of thin plate key 1-5,
The color matching ratio of yellow black four color ink of the green product of adjustment, generates two kinds and matches color ink, the first matches color ink under visible light
Show white, show black under infrared light, show black under visible light with color ink second, shows under infrared light white
Color,
In Fig. 7, the color lump in the color lump figure of pseudo- image in 2 D code 1-4 and image in 2 D code 2 is all divided into two kinds, and one is black
Color lump, another kind are white color lumps, and pseudo- image in 2 D code 1-4 and image in 2 D code 2 are overlapped using metamerism with color ink
It is printed in the image in 2 D code area on printed matter, and makes pseudo- image in 2 D code 1-4 and the two dimension on image overlapping region
The code corresponding color lump of image 2 coincides together correspondingly, and the color lump for corresponding coincidence can be divided into four classes, first kind color
5 image in 2 D code 2 of block require show under visible light white and puppet image in 2 D code 1-4 requirement also show under infrared light it is white
Color, 6 image in 2 D code 2 of the second class color lump requires to show black under visible light and puppet image in 2 D code 1-4 is required infrared
Also show black under light, 7 pieces of image in 2 D code 2 of third class color require to show white and pseudo- image in 2 D code 1- under visible light
4 require also to show black under infrared light, and 8 image in 2 D code 2 of the 4th class color lump requires to show black and puppet under visible light
Image in 2 D code 1-4 requires also to show white under infrared light,
First kind color lump 5 on image overlapping region is printed using ordinary white ink, on image overlapping region second
Class color lump 6 is printed using general black ink, and third class color lump 7 on image overlapping region is printed using the first with color ink
Brush prints the 4th class color lump 8 on image overlapping region using second with color ink,
Show image in 2 D code 2 in the image in 2 D code area of printed matter under visible light, two dimension can correctly be obtained by scanning
The information of code image 2,
Show pseudo- image in 2 D code 1-4 in the image in 2 D code area of printed matter under infrared light, utilizes on thin plate key 1-5
The image in 2 D code 1 that two parts of images 1-2 replace the pseudo-code image 1-3 on pseudo- image in 2 D code 1-4 to constitute, can be just by scanning
The information of image in 2 D code 1 is really obtained,
The printed matters such as label, bill, marketable securities can be identified in this way with the presence or absence of personation infringement problem.
Claims (7)
1. a kind of infrared complementary identification and false proof method of two dimensional code covering, it is characterized in that: the method for anti-counterfeit is raw by the first anti-counterfeiting information
At the first width image in 2 D code, the first width image in 2 D code complementation is divided into two parts image, the second part after segmentation
Printing image a piece of thin plate on the key, and size according to second part image, size and shape generate a width pseudo-code image,
Size, the size and shape phase of pseudo-code image and one width of first part's image construction split and the first width image in 2 D code
Same pseudo- image in 2 D code generates the second width image in 2 D code, the first width image in 2 D code and the second width by the second anti-counterfeiting information
The size of image in 2 D code, size and shape are identical, and pseudo- image in 2 D code and the second width image in 2 D code are utilized metamerism
It is printed in the image in 2 D code area of printed matter with color ink overlapping, under visible light in the image in 2 D code Qu Shangxian of printed matter
Existing second width image in 2 D code, the information of the second width image in 2 D code, the printed matter under infrared light can be correctly obtained by scanning
Image in 2 D code area on show pseudo- image in 2 D code, utilize thin plate second part image on the key to replace pseudo- image in 2 D code
On pseudo-code image construction the complete first width image in 2 D code of a width, by scanning can correctly obtain the first width two dimensional code figure
The information of picture can identify the printed matters such as label, bill, marketable securities with the presence or absence of personation infringement problem in this way.
2. the infrared complementary identification and false proof method of two dimensional code covering according to claim 1, it is characterized in that: by the first anti-fake letter
Breath and the second anti-counterfeiting information generate the first width image in 2 D code and the second width image in 2 D code, the first width image in 2 D code and second
The size of width image in 2 D code, size and shape are identical.
3. the infrared complementary identification and false proof method of two dimensional code covering according to claim 1, it is characterized in that: it is black to adjust green product Huang
The color matching ratio of four color inks generates two kinds and matches color ink, the first shows white with color ink under visible light, in infrared light
Under show black, show black under visible light with color ink second, show white under infrared light.
4. the infrared complementary identification and false proof method of two dimensional code covering according to claim 1, it is characterized in that: by the first width two dimension
Code image complementation is divided into two parts image, the composition one that the first part's image and second part image after segmentation can be complementary
The complete first width image in 2 D code of width, by the second part printing image after segmentation a piece of thin plate on the key, according to second
The size of parts of images, size and shape generate pseudo-code image, first part's image and one width of pseudo-code image construction and the first width
The identical pseudo- image in 2 D code of the size of image in 2 D code, size and shape.
5. the infrared complementary identification and false proof method of two dimensional code covering according to claim 1, it is characterized in that: by the second width two dimension
Code image and pseudo- image in 2 D code are overlapped in the image in 2 D code area being printed on printed matter using metamerism with color ink, and
And the color lump corresponding with pseudo- image in 2 D code of the second width image in 2 D code on image overlapping region is overlapped correspondingly
Together, the color lump for corresponding coincidence can be divided into four classes, and first kind color lump the second width image in 2 D code is required in visible light
Under show white and pseudo- image in 2 D code requirement also shows white, second class color lump the second width image in 2 D code under infrared light
It is required that showing black under visible light and pseudo- image in 2 D code requirement also shows black, third class color lump second under infrared light
Width image in 2 D code requires to show white under visible light and pseudo- image in 2 D code requirement also shows black under infrared light, the
Four class color lump the second width image in 2 D code require to show under visible light black and pseudo- image in 2 D code requirement under infrared light
Also show white.
6. infrared complementary identification and false proof method is covered with the two dimensional code described in claim 5 according to claim 1, it is characterized in that:
First kind color lump on image overlapping region is printed using ordinary white ink, for the second class color lump on image overlapping region
It is printed using general black ink, third class color lump on image overlapping region is printed using the first with color ink, for
The 4th class color lump is printed using second with color ink on image overlapping region.
7. the infrared complementary identification and false proof method of two dimensional code covering according to claim 1, it is characterized in that: existing under visible light
Show the second width image in 2 D code in the image in 2 D code area of printed matter, correct second width two dimensional code figure can be obtained by scanning
The information of picture shows pseudo- image in 2 D code in the image in 2 D code area of printed matter under infrared light, using thin plate on the key
Two parts of images replace the complete first width image in 2 D code of a width of the pseudo-code image construction on pseudo- image in 2 D code, by sweeping
Retouch the information that can obtain correct first width image in 2 D code.
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Application publication date: 20190517 |