CN104766349B - Geometry form figure decoding method applied to commodity outer packing - Google Patents
Geometry form figure decoding method applied to commodity outer packing Download PDFInfo
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- CN104766349B CN104766349B CN201510131150.0A CN201510131150A CN104766349B CN 104766349 B CN104766349 B CN 104766349B CN 201510131150 A CN201510131150 A CN 201510131150A CN 104766349 B CN104766349 B CN 104766349B
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Abstract
Package anti-fake the present invention relates to the commodity production field of circulation traces decoding method.A kind of geometry form figure decoding method applied to commodity outer packing, this method handles unit packaging identity information by the stochastic transformation set in advance irregularly updated, pivot rule, it is met the form difference of commodity packaging identification but the data comprising complete information, the different geometric shape figure of the more sets of generation, air brushing is in commodity outer packing, the unique identity as the packaging.The present invention includes the random code of complete information using the more sets of irregularly renewal, on the one hand this method can improve the Information recovering rate in the case of random disruptions, still further aspect can also be in the case where artificially cracking coding method, prevent from purposefully destroying packaging identity identification information, improve the trackability in commodity circulation.
Description
Technical field
The present invention relates to the false proof traceability system field of circulation merchandise news, refers specifically to be a kind of for the several of commodity outer packing
What learns form figure decoding method.
Technical background
With economic sustainable development, the circulation of commodity is more and more at a high speed and convenient so that commodity the circulation stage it is false proof,
Flow goods and falsifying outstanding problem.Again due to imitated, to commodity mark destruction of the part dealer to commodity so that manufacturing enterprise
To the commodity in circulation can not back-tracing anti-fake, cause manufacturing enterprise to suffer huge economic loss.
How to improve false proof and retrospect ability of the commodity in the process of circulation is one of information-package engineering research important
One of direction, currently, barcode technology are collection coding, the prints to grow up in computer technology and Information Technology Foundation
Brush, identification, the technology of data acquisition and processing (DAP)；Barcode technology be widely used in business, postal service, taking care of books, storage,
The fields such as industrial processes control, traffic.Occupy an important position in current automatic identification technology.Bar code, which is mainly divided, to be had
Bar code and two-dimensional bar code.Bar code is typically expressing information in one direction, and does not express then and appoint in vertical direction
What information, its certain height is typically to the alignment easy to reader.And two-dimensional bar code is flat with certain specific rule
The chequered with black and white graphic recording data symbol information of EDS maps, it is to store letter in two-dimensional space both horizontally and vertically
Breath.
These traditional method for anti-counterfeit, mainly for the purpose of protecting unique unit packaging identity information, being aided with contributes to
The redundancy of recovery, such as check code can restoring degrees to improve.But this accomplish improve correlation, can restoring degree improve it is limited.
In addition this kind of false proof trace-back technique decoding rule is fixed, once the coding/decoding method of unalterable rules is artificially cracked, technical performance will
Reduce, commodity counterfeit prevention and traceability system effect are affected.
Therefore, how information auto-correlation and cross correlation measure are improved in commodity packaging, is subject to partial destruction in packaged information
One of on the premise of, improve the self- recoverage degree of information the problem of becoming domestic and foreign scholars' extensive concern.
The content of the invention
It is an object of the present invention to the figure decoding method in the form of a kind of geometry suitable for commodity outer packing, right
Commodity packaging in circulation carries out geometry form figure code identification, and it is extensive to improve the merchandise news after figure destroys
Multiple rate.
The present invention solves its technical problem and takes following technical method to realize：
1st, a kind of geometry form figure decoding method applied to commodity outer packing, it includes following steps：
1) merchandise news is gathered：
Merchandise news is gathered, and is converted into the data format of standard.
2) raw information is generated：
Current information sequence is generated by computer random, and is associated with the merchandise news collected, is formed one-to-one
Relation.
3) stochastic transformation, pivot rule are generated：
Current more set stochastic transformations, pivot rule are generated by computer, and it is associated with current raw information, formed
One-to-one relation.
4) generation conversion, postrotational information：
By computer according to raw information and conversion, the more set random informations of pivot rule generation.
5) random pattern is generated：
According to more set random information generation geometry form figure codes, air brushing is in commodity outer packing.
6) information stores：
Current raw information and conversion, pivot rule are stored in database.
7) information decodes：
By carrying out image recognition to the pattern of commodity outer packing, collect pattern-information, according to decoding rule recover data,
Reduce merchandise news.
Further public technology scheme, computer generate one group of random number according to current time, with this group of random number and original
Beginning data add, subtract, with or, the hybrid operation of exclusive or form, gained information obtains more further according to random number cyclic shift
Cover random information.
Further public technology scheme, the code of geometry form according to including information point with or without distribution, information
The position distribution of point, a kind of geometry form characteristic including the Density Distribution of information point carry out record code information.
Further public technology scheme, information decoding process are by carrying out graph scanning to commodity outer packing, obtaining it
Geometry form characteristic, then the date of manufacture in commodity outer packing is read, obtain obtaining with scanning from database by the date of manufacture
Geometry form characteristic be associated conversion, pivot rule, by geometry form characteristic carry out reverse rotation, conversion after letter
Breath compares with raw information, obtains product information.
As a result of such scheme, the present invention has the advantage that：With more sets comprising unit packaging identity information
Code, by mutual correlation between the auto correlation between single set code inside and more set codes come improve can restoring degree, and use the solution of conversion
The difficulty that artificially cracks of code rule lifting, further improve the reliability of coding and information can restoring degree, in Internet of Things more
Effective retrospect commodity, play false proof, anti-channel conflict effect.
Brief description of the drawings
Become better understanding, thus many of the present invention by referring to and with reference to detailed description in attached drawing, the present invention
Advantage is readily apparent to.
Fig. 1 is the registration pattern of embodiment.
Fig. 2 is the first indicia patterns example of the code of embodiment.
Fig. 3 is second of indicia patterns example of the code of embodiment.
Fig. 4 is the third indicia patterns example of the code of embodiment.
Fig. 5 is the pattern after embodiment mark completely.
Embodiment
Below in conjunction with example shown in attached drawing, the present invention is described further.
Summarize, the method for the present invention：
According to the commodity packaging information of collection, more set stochastic transformations, pivot rule are generated, according to more set random information generations
The code of geometry form, generates random leaf pattern, air brushing is in commodity outer packing.Current stochastic transformation, pivot rule are to calculate
Machine generates one group of random number according to current time, with this group of random number and initial data add, subtract and or, exclusive or form
Hybrid operation, random number cyclic shift is carried out to message code obtained by computing, obtains more set random informations.The generation of geometry form
Code is, code according to information point with or without distribution geometric properties, information point position distribution geometric properties and information point
Density Distribution geometric properties information carrys out record code information.
The present embodiment is suitable for the false proof retrospect decoding method of commodity outer packing, and method key step is as follows：
First, specific implementation method is encoded
1) raw information
For this example by taking 18 codes as an example, it is 3 systems to take first 9, and latter 9 are 2 systems.
This example assumes that original 18 codes are { 1,2,0,1,2,0,1,2,1,1,0,0,0,1,1,1,0,1 }.
This example takes 9 sets of codes for including unit packaging identity information.
8 row, 18 column matrix and 1 row, 8 column matrix for packaging on the day of by computer generation commodity,
Assuming that 8 row, 18 column matrix is：
{3,2,4,5,2,6,7,3,8,9,3,5,6,7,3,6,4,1},
{1,7,4,8,3,9,5,7,2,0,5,8,5,4,7,3,2,5},
{3,4,7,5,9,2,0,1,9,2,4,7,5,9,1,4,3,2},
{5,3,2,5,8,0,8,9,7,1,0,3,8,2,5,7,5,4},
{2,4,8,5,7,4,9,0,8,7,0,2,7,1,4,8,5,9},
{5,8,4,7,3,9,2,7,5,0,8,7,2,6,4,8,0,1},
{2,4,2,3,5,4,8,9,3,7,2,8,9,0,1,4,3,8},
{3,2,4,6,1,9,5,8,4,7,2,0,1,8,4,3,7,2}
Then：1 row, 8 column matrix is：{2,4,6,8,10,12,14,16}
2) 9 sets of various forms of codes for including identical information are generated
With 18 code divisions of source code not Jia Shang the 1st row of 8 row, 18 column matrix 18 numerals, first 9 of 18 numbers of gained
3 remainder is taken, latter 9 remainders for taking 2, obtain one group of new code.This group 18 new codes again right 1 row of cyclic shift, 8 column matrix the 1st
A yard of value, the new code ring shift right 2, obtains second set of code；Remaining 7 sets of code is i.e. available by above-mentioned same steps.
3) 9 sets of code divisions are not marked on figure
(1) define 18 codes the 1st and the 10th is contraposition, and the 2nd and the 11st is the 9th and the 18th of contraposition ...
Position is contraposition.
Appoint take 18 codes one, be denoted as A,
If A are 3 systems, it must be 2 systems that it, which aligns B,；
If A are 2 systems, it must be 3 systems that it, which aligns B,；
(2) as shown in Figure 1,9 identical figures are shared, wherein each figure is by by every 20 degree of central angle divisions
Into 18 parts, 18 leaves are denoted as, corresponding to 18 bit digitals for often covering code, this each leaf of 18 leaf includes 3 marks；
Corresponding to the position of 3 systems, wherein the outer curve for having the remote center of circle then represents this position as 1, as shown in Figure 2, in
Half interval contour has, and represents this position as 2, and as shown in Figure 3, while no outer curve and intermediate curve then represent this position as 0, have
It is 1 that inner curve, which then represents its contraposition, and as shown in Figure 4, no inner curve then represents it and aligns as 0.
Corresponding to the position of 2 systems, wherein the inner curve for having the close center of circle then represents this position as 1, no inner curve then generation
This position of table be 0, have outer curve then represent its contraposition be 1, have intermediate curve then represent its contraposition be 2, while without outside song
Line and intermediate curve then represent its contraposition as 0.
According to above-mentioned definition, i.e. outer and middle curve must not exist at the same time, it is internal can and it is exterior, intermediate curve together
When exist.
(3) 9 identical figures that the 9 sets of codes obtained will be marked on shown in attached drawing 1；Figure such as attached drawing after mark
Shown in 5.
2nd, specific implementation method is decoded
The date of manufacture of commodity is read, conversion, the pivot rule on the same day are read from database according to the date of manufacture, by 9
Labeled figure reads 9 sets of 18 codes, 9 sets of complete phases is inversely transformed into further according to transformation rule according to pivot rule reverse rotation
Same source code, selects a set of source code most comprising useful information from 9 sets of source codes, if this set source code has incompleteness,
Complete source code is then obtained by following restoring method.
Restoring method is as follows：A total of 9 figures, each figure are divided into 18 leaves, have 3 marks per leaf.
(1) find the corresponding figure of the above-mentioned source code being selected, then find out this set source code incompleteness position contraposition institute it is right
The leaf answered, from coding method, contraposition includes the information at one's own department or unit, reading.
Concrete example is described as follows：
If one's own department or unit lacks and is 3 systems, the outer curve and intermediate curve of contraposition are read, if contraposition has outer curve,
Then one's own department or unit is 1；If contraposition has intermediate curve, one's own department or unit 2；If the outer curve and intermediate curve of contraposition are all not present, this
Position is 0.
If one's own department or unit lacks and is 2 systems, the inner curve of contraposition is read, if contraposition has inner curve, one's own department or unit 1；
If contraposition is without inner curve, one's own department or unit 0.
(2) the corresponding figure of the above-mentioned source code being selected is found, then finds out the incomplete position of this set source code, due to 9 sets
Source code includes identical information, then compares the contraposition of the same position or same position on other 8 sets of source codes one by one, and reading is
Can.
Thus, that is, complete once can restoring degree it is high, and prevent from artificially cracking chases after suitable for the false proof of commodity outer packing
Trace back encoding and decoding.
Claims (4)
1. a kind of geometry form figure decoding method applied to commodity outer packing, it is characterised in that comprise the steps of：
1) merchandise news is gathered：
Merchandise news is gathered, and is converted into the data format of standard；
2) raw information is generated：
Date of manufacture information sequence is generated by computer random, and is associated with the merchandise news collected, is formed one-to-one
Relation；
3) stochastic transformation, pivot rule are generated：
Current more set stochastic transformations, pivot rule are generated by computer, and it is associated with current raw information, formed one by one
Corresponding relation；
4) generation conversion, postrotational information：
By computer according to raw information and conversion, the more set random informations of pivot rule generation；
5) random pattern is generated：
According to more set random information generation geometry form figure codes, air brushing is in commodity outer packing；
6) information stores：
Current raw information and conversion, pivot rule are stored in database；
7) information decodes：
By carrying out image recognition to the pattern of commodity outer packing, pattern-information is collected, data, reduction are recovered according to decoding rule
Merchandise news.
2. it is applied to the geometry form figure decoding method of commodity outer packing as claimed in claim 1, it is characterised in that
Computer generates one group of random number according to current time, with this group of random number and initial data add, subtract and or, exclusive or shape
The hybrid operation of formula, gained information obtain more set random informations further according to random number cyclic shift.
3. it is applied to the geometry form figure decoding method of commodity outer packing as claimed in claim 1, it is characterised in that
The code of geometry form according to including information point with or without distribution, the position distribution of information point, the density point of information point
A kind of geometry form characteristic including cloth carrys out record code information.
4. it is applied to the geometry form figure decoding method of commodity outer packing as claimed in claim 1, it is characterised in that
Information decoding process is by carrying out graph scanning to commodity outer packing, obtaining its geometry form characteristic, then read outside commodity
Date of manufacture in packaging, the change associated with scanning obtained geometry form characteristic is obtained by the date of manufacture from database
Change, pivot rule, the information and raw information after geometry form characteristic is carried out reverse rotation, converted compare, and are produced
Product information.
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| CN201510131150.0A CN104766349B (en) | 2015-03-24 | 2015-03-24 | Geometry form figure decoding method applied to commodity outer packing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI679582B (en) * | 2017-04-21 | 2019-12-11 | 南亞塑膠工業股份有限公司 | Anti-fake label and coding method thereof |
| CN109242509B (en) * | 2018-08-20 | 2021-09-14 | 同济大学 | Lattice character information coding and decoding method for commodity outer package |
| CN109359999B (en) * | 2018-08-21 | 2021-10-29 | 同济大学 | Encoding and decoding method for two-dimensional line segment graph of commodity outer package |
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| CN103929187A (en) * | 2014-04-02 | 2014-07-16 | 同济大学 | Anti-interference matrix information encoding and decoding method for merchandise outer packaging |
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| DE102009037626A1 (en) * | 2009-08-14 | 2011-02-17 | Giesecke & Devrient Gmbh | Safe labeling of a product |
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2015
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| CN102479345A (en) * | 2010-11-30 | 2012-05-30 | 国际商业机器公司 | System and method for verifying tag date on product package |
| CN103390184A (en) * | 2012-05-09 | 2013-11-13 | 天津市阿波罗信息技术有限公司 | Image information embedding method suitable for anti-fake codes identified through mobile phone |
| CN103310344A (en) * | 2012-09-10 | 2013-09-18 | 成都菲普迪斯科技有限公司 | CCQR (Colorful Coded Quick Response) anti-counterfeiting method |
| CN103929187A (en) * | 2014-04-02 | 2014-07-16 | 同济大学 | Anti-interference matrix information encoding and decoding method for merchandise outer packaging |
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