CN106919882A - A kind of method that two-dimentional digital content switchs to pure digi-tal symbolic coding - Google Patents
A kind of method that two-dimentional digital content switchs to pure digi-tal symbolic coding Download PDFInfo
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- CN106919882A CN106919882A CN201511001065.9A CN201511001065A CN106919882A CN 106919882 A CN106919882 A CN 106919882A CN 201511001065 A CN201511001065 A CN 201511001065A CN 106919882 A CN106919882 A CN 106919882A
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- 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
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1417—2D bar codes
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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
- G06K19/06037—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 multi-dimensional coding
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Abstract
The invention provides a kind of method that two-dimentional digital content and pure digi-tal symbolic coding are mutually changed.The method includes：The binary data that will be encoded in Quick Response Code save as byte arrays；Divided as one group with two bytes, if a last remaining byte, last byte is independent one group；According to packet, low address byte in each group is defaulted as the high-value byte of numeral, high address byte in each group is defaulted as the low level numerical value byte of numeral, each group of byte is switched into decimal system Arabic numerals, transformation result is combined into a string of Arabic characters.The mode of first transcoding re-encoding proposed by the present invention, it is to avoid be easily caused collapse or show disagreeableness problem during Versatile two-dimension code scanning device scanning Quick Response Code, the binary content that will visually distinguish switchs to common Arabic numerals.Format code transferring is carried out to legacy data, and transcoding rule has been determined, the increase that taken up room after transcoding is little.
Description
Technical field
It is the method for symbol of numeral code the present invention relates to Quick Response Code field, especially Quick Response Code Content Transformation.
Background technology
With the development of science and technology, in the urgent need to bar code expresses more information in limited space, with
Meet the demand of various information transmissions, Quick Response Code arises at the historic moment.Planar bar code technology is pressed using specific geometric figure
Arrange to form special pattern identification in the two-dimensional direction according to certain rule, to realize the transmission of information.Two dimension
Code is the Large Copacity Quick Response Code grown up based on bar code and image processing techniques, and two-dimentional digital content can be deposited
Put various characters and data, such as picture, video.With the rise of intelligent hand-held terminal, Quick Response Code was in recent years
To be widely used, such as url connection, storage checking information, for food safety trace back.
In numerous Quick Response Code applications, it is, in the binary data of Quick Response Code internal storage, have to have a class application
Be form needs, such as digital certificate, picture；Has plenty of the result of storage encryption data.And this binary system
Data, when our general end of scan are scanned, it is possible to cause scanning software to collapse, even if scan decoder
Success shows, is also some chaotic unrecognizable characters, and display interface is very unfriendly.
The content of the invention
Weak point present in regarding to the issue above, pure digi-tal is switched to the invention provides a kind of two-dimentional digital content
The method of symbolic coding, efficiently solves scanning software collapse or shows disagreeableness problem.
To achieve the above object, technical scheme proposed by the present invention is as follows：
Step (a), the binary data that will be encoded in Quick Response Code save as byte arrays.
Step (b), is divided with two bytes as one group, if a last remaining byte, last byte
It is independent one group.
Step (c), according to the packet of step (b), numeral is defaulted as by the low address byte in each group
High-value byte, the high address byte in each group is defaulted as the low level numerical value byte of numeral, by each group of word
Section switchs to decimal system Arabic numerals.Wherein, for one group of two byte, transformation result standard is entered for 5 ten
Arabic numerals processed；For the group of only one of which byte, switch to 3 decimal system Arabic numerals.
Step (d), a string of Arabic characters are combined into by the result of step (c).
Step (e), EOC.
Further, in step (c), for one group of two byte, transformation result standard is entered for 5 ten
Arabic numerals processed；For the group of only one of which byte, switch to 3 decimal system Arabic numerals.
Further, the step (c) can be replaced：Low address byte in each group is defaulted as numeral
Low-value byte, by the high address byte in each group be defaulted as numeral high-order numerical value byte, by each group
Byte switchs to decimal system Arabic numerals.
Handling process when Quick Response Code is decoded, if common software scanning then uses standard decoding process,
Decoded result is a string of Arabic numerals.If special-purpose software is decoded, the binary system to be stored using Quick Response Code
Data, then must first restore binary data.Reconstitution steps are as follows：
The first step, Arabic character string is grouped with 5 numerals as one group, if last group has 3
Individual numeral, then be individually for one group.
Second step, if set of number is 5, by group numeral, to 256 complementations, obtains numerical value storage
Low byte；Numerical value storage to being obtained divided by 256 is high byte.If set of number is 3, it is directly stored in
One byte.
3rd step, a big byte arrays are connected to by the byte that second step is generated.
4th step, information-reply is completed.
According to the another aspect of invention, the low byte processing mode high of the step of flow the 3rd is encoded, it is also possible in turn,
Low address byte that will be in each group is defaulted as the low-value byte of numeral, by the high address byte in each group
The high-order numerical value byte of numeral is defaulted as, each group of byte is switched into decimal system Arabic numerals, it is only necessary to compiled
Processing mode matching when code and decoding.
According to the another aspect of invention, a kind of side that pure digi-tal symbolic coding is converted to two-dimentional digital content is also provided
Method, including：
Step (a), Arabic character string is grouped with 5 numerals as one group, if last group has 3
Individual numeral, then be individually for one group；
Step (b), if set of number is 5, by group numeral, to 256 complementations, obtains numerical value storage
Low byte；Numerical value storage to being obtained divided by 256 is high byte, if set of number is 3, is directly deposited
Enter a byte；
Step (c), a big byte arrays are connected to by the byte that step (b) is generated；
Step (d), information-reply is completed.
Further, the step (b) could alternatively be：If set of number is 5, by group numeral,
To 256 complementations, the high byte of numerical value storage is obtained；Numerical value storage to being obtained divided by 256 is low byte, if
Set of number is 3, then be directly stored in a byte.
The mode of first transcoding re-encoding proposed by the present invention, it is to avoid Versatile two-dimension code scanning device scanning Quick Response Code
When be easily caused collapse or show disagreeableness problem, the binary content that will visually distinguish switchs to often
The Arabic numerals seen.Format code transferring is carried out to legacy data, and transcoding rule has been determined, taken after transcoding
Space increases little.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to wanting needed for embodiment description
The accompanying drawing for using briefly is introduced, and drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the flow path switch figure of the embodiment of the present invention.
Specific embodiment
For ease of the understanding to the embodiment of the present invention, below in conjunction with being done as a example by accompanying drawing and several specific embodiments
Further explanation and explanation, and each embodiment does not constitute the restriction to the embodiment of the present invention.
Embodiment one：
Data expression directly can be carried out using hexadecimal, but which directly makes data take Quick Response Code deposits
Put and be twice in storage space.In embodiment one, coded system of the invention takes up room and is slightly increased.
, it is necessary to deposit a string of encryption datas to Quick Response Code in the application of certain certification, for certification：Its ciphertext (ten
Senary is represented) it is as follows:
96D36CA38854D4A1BC3E995ABFB620704BA06E3D8FC9D1E5E198C091035946
BB01A83A6A91B9B06C
Above-mentioned to have 40 bytes, 80 characters are grouped as follows：
96D3 6CA3 8854 D4A1 BC3E 995A BFB6 2070 4BA0
6E3D 8FC9 D1E5 E198 C091 0359 46BB 01A8 3A6A
91B9 B06C
It is as follows that correspondence switchs to ten's digit：
38611 27811 34900 54433 48190 39258 49078 08304 19360
28221 36809 53733 57752 49297 00857 18107 00424 14954
37305 45164。
Spell the result after as being changed for a string, 100 Arabic numerals：
38611278113490054433481903925849078083041936028221368095373357752492
97008571810700424149543730545164
By version below 9 QR yards coding as a example by, to it is above-mentioned carry out respectively initial data, hexadecimal character with
Arabic numeric characters are encoded, and take up room calculating：
| Data to be encoded representation | The coding mode of Quick Response Code | Take up room (bit) |
| Binary numeral | Eight bit byte pattern | 332 |
| Hexadecimal character | Eight bit byte pattern | 652 |
| Transcoding of the present invention | Numeral | 348 |
As can be seen from the above table, data expression directly is carried out, it is necessary to take 652bit's using hexadecimal
Two-dimentional code space directly makes data occupancy Quick Response Code memory space ratio use binary numeral representation to amplify one
Times, coded system of the invention takes up room and be simply slightly increased.
In addition, using one group of two byte to carry out the maximum that the foundation that Arabic numerals change can be represented into byte group
The ratio between the decimal system maximum represented with transformation result digit maximum, the utilization rate highest of Arabic numerals digit.
Comparing calculation is as follows：
| Byte number | Maximum | Correspondence decimal system maximum | Decimal system space availability ratio | Sequence |
| 1 | 255 | 999 | 25.53% | 3 |
| 2 | 65535 | 99999 | 65.54% | 1 |
| 3 | 16777215 | 99999999 | 16.78% | 4 |
| 4 | 4294967295 | 9999999999 | 42.95% | 2 |
As seen through the above description of the embodiments, those skilled in the art can be understood that this hair
It is bright to add the mode of required general hardware platform by software to realize.It is of the invention based on such understanding
The part that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product
Out, the computer software product can be stored in storage medium, such as ROM/RAM, magnetic disc, CD
Deng, including some instructions are used to so that computer equipment (can be personal computer, server, or
Network equipment etc.) perform method described in some parts of each embodiment of the invention or embodiment.This explanation
Each embodiment in book is described by the way of progressive, and identical similar part is mutual between each embodiment
Referring to what each embodiment was stressed is the difference with other embodiment.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited to
In this, any one skilled in the art the invention discloses technical scope in, can readily occur in
Change or replacement, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should
Should be defined by scope of the claims.
Claims (5)
1. a kind of method that two-dimentional digital content switchs to pure digi-tal symbolic coding, it is characterised in that：
Step（a）, the binary data that will be encoded in Quick Response Code save as byte arrays；
Step（b）, divided as one group with two bytes, if a last remaining byte, last byte is independent one group；
Step（c）, according to the step（b）Packet, by the low address byte in each group be defaulted as numeral high-value byte, by the high address byte in each group be defaulted as numeral low level numerical value byte, each group of byte is switched into decimal system Arabic numerals；
Step（d）, by the step（c）Result be combined into a string of arabic numeric characters；
Step（e）, EOC.
2. method according to claim 1, it is characterised in that：The step（c）In, for one group of two byte, transformation result standard is 5 decimal system Arabic numerals；For the group of only one of which byte, switch to 3 decimal system Arabic numerals.
3. method according to claim 1, it is characterised in that：Wherein described step（c）It is replaced by step（c’）：Low address byte in each group is defaulted as the low-value byte of numeral, the high address byte in each group is defaulted as the high-order numerical value byte of numeral, each group of byte is switched into decimal system Arabic numerals.
4. a kind of method that pure digi-tal symbolic coding is converted to two-dimentional digital content, it is characterised in that：
Step（a）, Arabic character string is grouped with 5 numerals as one group, if last group there are 3 numerals, it is individually for one group;
Step（b）If set of number is 5, by group numeral, to 256 complementations, the low byte of numerical value storage is obtained；Numerical value storage to being obtained divided by 256 is high byte, if set of number is 3, is directly stored in a byte；
Step（c）, by step（b）The byte of generation is connected to a big byte arrays；
Step（d）, information-reply completion.
5. method according to claim 4, it is characterised in that：Wherein described step（b）It is replaced by step（b’）：If set of number is 5, by group numeral, to 256 complementations, the high byte of numerical value storage is obtained；Numerical value storage to being obtained divided by 256 is low byte, if set of number is 3, is directly stored in a byte.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107944525A (en) * | 2017-10-18 | 2018-04-20 | 浙江工商大学 | A kind of method and system of the expansion Quick Response Code capacity based on data segmentation |
| CN109213973A (en) * | 2018-07-04 | 2019-01-15 | 珠海市特车网络科技有限公司 | VIN code transcoding storage method and device and corresponding read method and device |
| WO2019205357A1 (en) * | 2018-04-26 | 2019-10-31 | 上海德必创新科技发展有限公司 | Two-dimensional code encryption method, two-dimensional code transmission system and storage medium |
| CN112686072A (en) * | 2020-12-28 | 2021-04-20 | 重庆医药高等专科学校 | Control method for human resource equipment device |
| WO2021103515A1 (en) * | 2019-11-26 | 2021-06-03 | 苏州长光华医生物医学工程有限公司 | Method for encrypting reagent two-dimensional code information of medical instrument, system, and storage medium |
| CN115169289A (en) * | 2022-09-05 | 2022-10-11 | 南京理工科技园股份有限公司 | Information compression coding and decoding method and device for security entrance guard |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107944525A (en) * | 2017-10-18 | 2018-04-20 | 浙江工商大学 | A kind of method and system of the expansion Quick Response Code capacity based on data segmentation |
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| CN109213973A (en) * | 2018-07-04 | 2019-01-15 | 珠海市特车网络科技有限公司 | VIN code transcoding storage method and device and corresponding read method and device |
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| WO2021103515A1 (en) * | 2019-11-26 | 2021-06-03 | 苏州长光华医生物医学工程有限公司 | Method for encrypting reagent two-dimensional code information of medical instrument, system, and storage medium |
| CN112686072A (en) * | 2020-12-28 | 2021-04-20 | 重庆医药高等专科学校 | Control method for human resource equipment device |
| CN115169289A (en) * | 2022-09-05 | 2022-10-11 | 南京理工科技园股份有限公司 | Information compression coding and decoding method and device for security entrance guard |
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