CN102184380B - Color-superposition two-dimension code system and application method thereof - Google Patents
Color-superposition two-dimension code system and application method thereof Download PDFInfo
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- CN102184380B CN102184380B CN201110119768.7A CN201110119768A CN102184380B CN 102184380 B CN102184380 B CN 102184380B CN 201110119768 A CN201110119768 A CN 201110119768A CN 102184380 B CN102184380 B CN 102184380B
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Abstract
The invention discloses a color- superposition two-dimension code system and an application method thereof. A colorful layer with certain coding meaning is added into a two-dimension code image which is black and white so as to form a colorful two-dimension code; the information of the two-dimension code can be read according to a black and white mode by a common two-dimension code reading terminal; and the information which is carried by the colorful layer can be read by a special reading terminal. The information content which is carried in the two-dimension code can be expanded through the newly added colorful layer, and the antifalsification of the two-dimension code is strengthened.
Description
Technical field
The present invention relates to a kind of coding/decoding method based on color overlaid Quick Response Code, relate in particular to a kind of 2 D code system and application process thereof based on color overlaid.
Background technology
Quick Response Code, due to the distinguishing feature containing much information, use cost is low, has now been widely used in every field.Because Quick Response Code cost is low, technology publicity, the threshold of making the Quick Response Code of palming off is also very low.
The Quick Response Code model and application method that this just needs a safety, ensures the false proof of image in 2 D code, guarantees that Quick Response Code can, by under the prerequisite of correct reading information, add false proof ciphertext, makes Quick Response Code additionally carry and hide Info, and reads for special fetch equipment.
Summary of the invention
The object of the present invention is to provide one based on color-superposition two-dimension code system and application process thereof, comprise generating algorithm, control method and the system model of this color 2 D code.This method can realize the false proof of color 2 D code and monitoring, and the safety of guarantee 2 D code information and complete, guarantees that Quick Response Code can not be pretended to be, and make Quick Response Code additionally carry hiding information.
Object of the present invention can realize by following technical measures:
A color 2 D code Code And Decode system based on color overlaid, described system comprises:
Color 2 D code generation unit comprises two-dimensional code generation module, color overlaid module and coloured coating encrypting module; Special reading terminals and general reading terminals;
Described two-dimensional code generation module, for generating the image in 2 D code of corresponding black and white or any two kinds of colors composition according to individual information;
Described cromogram infill layer module, encrypts and generates cromogram layer for hiding Info according to cromogram infill layer algorithm;
Described color overlaid module, combines for the image in 2 D code and the cromogram layer that two-dimensional code generation module are generated according to cromogram infill layer algorithm, forms color 2 D code;
The image in 2 D code of described black and white or any two kinds of colors composition, for according to general Quick Response Code standard, embeds the image in 2 D code that individual information generates;
Described hiding Info comprises anti-counterfeiting information, encrypted message and identifying information;
Described special reading terminals, comprise cromogram layer read module and Quick Response Code read module, cromogram layer reads the embedded cromogram layer of mould decipherment algorithm, for reading and identify hiding Info of color 2 D code cromogram layer, Quick Response Code read module, for reading the individual information of color 2 D code according to Quick Response Code decoding standard algorithm;
Described general reading terminals is that Quick Response Code identification software and the terminal device with camera are installed, and uses black white image to read ordinary two dimensional code, thereby obtains the individual information in Quick Response Code.
Described color 2 D code is the printed Quick Response Code forming of more than three kinds and three kinds color, and passes through the specific coded message of color overlaid Module-embedding in cromogram layer;
The image in 2 D code of described black and white or any two kinds of colors composition, for according to general Quick Response Code standard, embeds the image in 2 D code that individual information generates;
Described individual information comprises that product essential information, product are introduced substantially, product vendor's information, product distribution business information, product original producton location information, product weight, time of making the product information, keeping life, batch number and product total quantity information; Sales outlet information, the term of validity, applying unit or personal information, the amount of money, the unit of sending, the recruiting unit of certificate, bill, send time, specification, toward ground return information; People or unit information under the certificate term of validity, reviewing authority's information, certificate.
A kind of color 2 D code application process, comprises the following steps:
(1) supplier, according to Quick Response Code generating algorithm by the individual information of the corresponding product that will identify, certificate and bill, generates and comprises the corresponding black and white image in 2 D code hiding Info, described in hide Info as anti-counterfeiting information, encrypted message and individual information;
(2) use color overlaid Quick Response Code generating algorithm to encode to hiding Info, divide according to the region of image in 2 D code, generate the cromogram layer mutual corresponding with regional, the black of correspondence position is replaced with to color corresponding in cromogram layer, be added in black and white image in 2 D code stacked cromogram;
(3) product, certificate or the bill field that circulates, consults Quick Response Code in article or packaging to obtain individual information by general reading terminals;
(4) use special reading terminals in any step of the field of circulation, read hiding Info of this color 2 D code.
In described color 2 D code application process process, be also included in any a one-step process, by special reading terminals, read and hide Info from color 2 D code; Read the individual information of Quick Response Code by general reading terminals.
Described individual information comprises product false proof information; Product vendor's information, product distribution business information, product original producton location information, product weight, time of making the product information, keeping life, batch number and product total quantity information; Sales outlet information, the term of validity, applying unit or personal information, the amount of money, the unit of sending, the recruiting unit of certificate, bill, send time, specification, information toward ground return; People or unit information under the certificate term of validity, reviewing authority's information, certificate.
In described step (4), special reading terminals, according to embedded cromogram layer decipherment algorithm, identifies and is included in hiding Info in cromogram layer.
Described color overlaid Quick Response Code generating algorithm is:
Use Quick Response Code generating algorithm, generate black and white image in 2 D code;
Select image in 2 D code
mindividual characteristic area, the set of characteristic area is
r, be designated as for each characteristic area
r i
Set
jplant color, color set is
c, be designated as for every kind of color
c j
The information hiding to need is designated as
m
Define color layer=
, wherein
Wherein
for the color in character pair region, color by
color treatments algorithm is according to the position of characteristic area, the color set that hides Info and adopt
ccalculating forms, and by colour-enciphered algorithm, information is mapped on setpoint color by region, obtains subregional color layers.
Finally, color layers and black and white image in 2 D code are superposeed, obtain color 2 D code.
The embedded cromogram layer decipherment algorithm of described special reading terminals is:
Select image in 2 D code
mindividual characteristic area, characteristic area set is
r, be designated as for each characteristic area
r i
Read the color layers information of color 2 D code
According to
formula is isolated and is hidden Info from color layers.
Compared with prior art, the present invention has the following advantages:
The present invention has solved the safety problem of existing Quick Response Code by the 2 D code system based on color overlaid and application process thereof, expanded the space encoder of Quick Response Code.By the Special colored Quick Response Code reading terminal of Color Image Acquisition, integrality, security and the confidentiality of color 2 D code are ensured, and color 2 D code can be carried hide Info, antifalsification and the uniqueness of Quick Response Code are strengthened, developing color 2 D code is as the new application outside data label, make the links of color 2 D code in the process of circulation, can check the true and false of Quick Response Code, take precautions against personation phenomenon.
By embedding the color 2 D code application system of this model, at the links of the Quick Response Code process of circulation, by the control of special fetch equipment, false proof, the safe flow quantity control, brand that can add Quick Response Code ensures etc. valued added applications.
Brief description of the drawings
Fig. 1 is the system construction drawing of a kind of color-superposition two-dimension code system of the present invention;
Fig. 2 is the process flow diagram of a kind of color overlaid Quick Response Code application process of the present invention;
Fig. 3 is the instance graph of the present invention in tax invoice application;
Fig. 4 is the instance graph of the present invention in the application of product anti-channel conflict.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Fig. 1, Fig. 2 show system architecture and the flow process signal of color-superposition two-dimension code system of the present invention and application process thereof, and native system comprises following part:
1, color 2 D code generation unit
Color 2 D code generation unit comprises two-dimensional code generation module, color overlaid module and coloured coating encrypting module; Special reading terminals and general reading terminals;
Described two-dimensional code generation module, for generating the image in 2 D code of corresponding black and white or any two kinds of colors composition according to individual information;
Described cromogram infill layer module, encrypts and generates cromogram layer for hiding Info according to cromogram infill layer algorithm;
Described color overlaid module, combines for the image in 2 D code and the cromogram layer that two-dimensional code generation module are generated according to cromogram infill layer algorithm, forms color 2 D code;
2. special reading terminals
Described special reading terminals, comprise cromogram layer read module and Quick Response Code read module, cromogram layer reads the embedded cromogram layer of mould decipherment algorithm, for reading and identify hiding Info of color 2 D code cromogram layer, Quick Response Code read module, for read the individual information of color 2 D code according to Quick Response Code decoding standard algorithm, this special reading terminals can be handheld all-in-one machine with camera, liquid crystal display etc. or on hand-held PDA or embedded system device, the first-class input equipment of additional shooting.The inner embedding of this reading terminals has specific decipherment algorithm.When use, read color 2 D code image and read the information of color 2 D code color layers according to the unique point of image (or characteristic area).
3. general reading terminals
General reading terminals is that Quick Response Code identification software and the terminal device with camera are installed, and as common PDA, mobile phone etc., for reading Quick Response Code, thereby obtains individual essential information in Quick Response Code etc.;
4. two-dimensional code generation module
Quick Response Code system has hundreds of kind at present, conventional also has tens kinds, that lists national standard, international standard in mainly contains QRcode, PDF417, Chinese letter co, GM code, CM code, Datamatrix code etc., native system can adopt existing Quick Response Code to generate software, also can generate software by designed, designed Quick Response Code, generate different Quick Response Codes.
6. the algorithm generation module based on color overlaid
This algoritic module hides Info according to input, is converted to cromogram layer hiding Info, and adopts following formula form:
Select image in 2 D code
mindividual unique point (or characteristic area), unique point (or characteristic area) set is
r, be designated as for each unique point (or characteristic area)
r i
Set
jplant color, color set is
c, be designated as for every kind of color
c j
The information hiding to need is designated as
m
Define color layer=
, wherein
Wherein
for the color of character pair point (or characteristic area), color by
color treatments algorithm is according to the position of unique point (or characteristic area), the color set that hides Info and adopt
ccalculating forms.By colour-enciphered algorithm, information is mapped on setpoint color by region, obtain subregional color layers.
Finally, color layers and image in 2 D code (black and white) are superposeed, obtain color 2 D code.
This method comprises the steps:
Step 1: supplier uses Quick Response Code generating algorithm by the individual information of the corresponding product that will identify, certificate or bill, generates corresponding black and white image in 2 D code by Quick Response Code generating algorithm through calculating; Then use color overlaid Quick Response Code generating algorithm to encode to hiding Info, divide according to the region of image in 2 D code, generate corresponding cromogram layer; In the stacked cromogram image in 2 D code that is added to black and white two looks.Specific practice is: in the image in 2 D code of black and white two looks, according to the region of dividing, the black of correspondence position is replaced with to color corresponding in cromogram layer, finally generate color 2 D code, and color 2 D code printing is upper to respective articles or packaging, then enter next step;
Step 2: product, certificate or the bill field that circulates, consult Quick Response Code in article or packaging to obtain individual information by general reading terminals;
Step 3: use special reading terminals in any step of the field of circulation, read hiding Info of this color 2 D code.
Process to the checking of cromogram layer is as follows:
Use special reading terminals, read the cromogram layer of color 2 D code, and cromogram layer is reduced to the process hiding Info, it is characterized in that:
Select image in 2 D code
mindividual unique point (or characteristic area), unique point (or characteristic area) set is
r, be designated as for each unique point (or characteristic area)
r i
Read the color layers information of color 2 D code
According to
formula is isolated and is hidden Info from color layers.
In described color 2 D code application process process, be also included in any a one-step process, by the special reading terminals of color 2 D code, read the information of cromogram layer from Quick Response Code; Versatile two-dimension code reading terminals can read the individual information of Quick Response Code.
Described individual information comprises product false proof information; Product vendor's information, product distribution business information, product original producton location information, product weight, time of making the product information, keeping life, batch number and product total quantity information; Sales outlet information, the term of validity, applying unit or personal information, the amount of money, the unit of sending, the recruiting unit of certificate, bill, send time, specification, information toward ground return; People or unit information under the certificate term of validity, reviewing authority's information, certificate.
Described hiding Info comprises the content comprising in anti-counterfeiting information, encrypted message and whole individual information.
The algorithm based on color overlaid of described step (1) is according to the hiding Info of current input, and uses algorithm handle based on color overlaid to hide Info be converted to the process of cromogram layer to cromogram layer.
In described step (3), use color 2 D code special-purpose terminal, use corresponding color decipherment algorithm, identify the information of institute's cromogram layer.
Fig. 3 is the instance graph of the inventive method in tax invoice, the application of product anti-channel conflict.
Embodiments of the present invention are not limited to this; under the above-mentioned basic fundamental thought of the present invention prerequisite; amendment, replacement or the change to other various ways that content of the present invention is made according to the ordinary skill knowledge of this area and customary means, within all dropping on rights protection scope of the present invention.
Claims (4)
1. a color 2 D code application process, is characterized in that, comprises the following steps:
(1) supplier, according to Quick Response Code generating algorithm by the individual information of the corresponding product that will identify, certificate and bill, generates corresponding black and white image in 2 D code;
(2) divide according to the region of image in 2 D code, use color overlaid Quick Response Code generating algorithm to encode to hiding Info, generate the cromogram layer mutual corresponding with regional, the black of correspondence position is replaced with to color corresponding in cromogram layer, be added in black and white image in 2 D code stacked cromogram, described in hide Info as anti-counterfeiting information, encrypted message and identifying information;
Described color overlaid Quick Response Code generating algorithm is:
Select m characteristic area of image in 2 D code, the set of characteristic area is R, is designated as Ri for each characteristic area;
Set j kind color, color set is C, is designated as Cj for every kind of color
The information hiding to need is designated as M
Definition cromogram layer=
, wherein
Wherein
for the color in character pair region, color by
color treatments algorithm according to the position of characteristic area, hide Info and the color set C that adopts calculates and forms, by colour-enciphered algorithm, information is mapped on setpoint color by region, obtain subregional cromogram layer;
Finally, cromogram layer and black and white image in 2 D code are superposeed, obtain color 2 D code;
(3) product, certificate or the bill field that circulates, consults Quick Response Code in article or packaging to obtain individual information by general reading terminals;
(4) use special reading terminals in any step of the field of circulation, read hiding Info of this color 2 D code.
2. color 2 D code application process according to claim 1, is characterized in that: described individual information comprises product false proof information; Product vendor's information, product distribution business information, product original producton location information, product weight, time of making the product information, keeping life, batch number and product total quantity information; Sales outlet information, the term of validity, applying unit or personal information, the amount of money, the unit of sending, the recruiting unit of certificate, bill, send time, specification, information toward ground return; People or unit information under the certificate term of validity, reviewing authority's information, certificate.
3. color 2 D code application process according to claim 1, is characterized in that: in described step (4), special reading terminals, according to embedded cromogram layer decipherment algorithm, identifies and is included in hiding Info in cromogram layer.
4. color 2 D code application process according to claim 3, is characterized in that: the embedded cromogram layer decipherment algorithm of described special reading terminals is:
Select image in 2 D code
mindividual characteristic area, characteristic area set is
r, be designated as for each characteristic area
r i
Read the cromogram layer information of color 2 D code
According to
formula is isolated and is hidden Info from cromogram layer.
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