CN111291583A - Circular two-dimensional bar code decoding method - Google Patents
Circular two-dimensional bar code decoding method Download PDFInfo
- Publication number
- CN111291583A CN111291583A CN201811487740.7A CN201811487740A CN111291583A CN 111291583 A CN111291583 A CN 111291583A CN 201811487740 A CN201811487740 A CN 201811487740A CN 111291583 A CN111291583 A CN 111291583A
- Authority
- CN
- China
- Prior art keywords
- circular
- ring
- data area
- round
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Editing Of Facsimile Originals (AREA)
Abstract
The invention discloses a decoding method of a circular two-dimensional bar code, which comprises a circle center of a circle and a first circle, wherein the first circle is arranged on the outer circumference of the circle center of the circle, four digital image codes are respectively arranged between positioning patterns, the digital image codes enable the two-dimensional code to have a layer of locked channels, a second encryption system can be enhanced in a black and white block (0, 1), the digital image codes can automatically check, correct and eliminate error codes for multiple times, so that error barriers can be eliminated, the two-dimensional code can be protected by one layer, the data in a middle round data area is further passed through a data identification block at the innermost side, the data in the round data area is composed of common PDF417 code values, and the maximum data content in the round data area is 1850 characters, so that the data can be well stored, secondary scanning confirmation information is provided in the round data area, and the stored data information is safer, therefore, external personnel cannot easily perform scanning decoding and use, and the safety of internal data is protected.
Description
Technical Field
The invention belongs to the technical field of related two-dimensional codes, and particularly relates to a decoding method of a circular two-dimensional bar code.
Background
The two-dimensional code is also called two-dimensional bar code, it records data symbol information by using a certain specific geometric figure in the form of black and white alternate figures distributed on the plane according to a certain rule, and skillfully utilizes the concept of '0' and '1' bit stream forming the internal logic basis of computer in code establishment, and uses several geometric forms correspondent to binary system to represent literal numerical value information, and utilizes the image input equipment or photoelectric scanning equipment to automatically read and implement automatic information processing, and it has some commonalities of bar code technology, every code system has its specific character set, every character possesses a certain width; has certain checking function and the like. Meanwhile, the method also has the function of automatically identifying information of different rows and processing the graph rotation change points.
The prior art of the decoding method of the circular two-dimensional bar code has the following problems: the existing circular two-dimensional bar code is not good in safety when being used in a scanning mode, and is not good in two-dimensional code secondary safety confirmation, so that the circular two-dimensional bar code is not very safe when being used, internal information is easily scanned and checked by external personnel at will, and private information can be found at any time, so that the circular two-dimensional bar code is not very convenient when being used.
Disclosure of Invention
The invention aims to provide a circular two-dimensional bar code decoding method, which solves the problems that the existing circular two-dimensional bar code proposed in the background technology has no good safety and no good two-dimensional bar code secondary safety confirmation, so that the circular two-dimensional bar code is not very safe in use and is easy to scan and check internal information by external personnel at will, so that some private information can be found at any time, and the circular two-dimensional bar code is not very convenient in use.
In order to achieve the purpose, the invention provides the following technical scheme:
a circular two-dimensional bar code decoding method comprises a circular ring center and a first circular ring, wherein the first circular ring is arranged on the outer circumference of the circular ring center, the outer shape size of the circular ring center is equal to the inner shape size of the first circular ring, circle center patterns are arranged on the upper side surface of the circular ring center, a circular opening data area is arranged on the outer circumference of the first circular ring, the outer shape size of the first circular ring is equal to the inner shape size of the circular opening data area, positioning patterns are uniformly distributed on the periphery of the circular opening data area, digital map codes are arranged around the circular opening data area and between the positioning patterns, an inner circular ring is arranged on the outer circumference of the circular opening data area, the outer shape size of the circular opening data area is equal to the inner shape size of the inner circular ring, an outer circular ring is arranged on the outer circumference of the inner circular ring, the size of the outer side shape of the inner circular ring is equal to the size of the inner side shape of the outer circular ring, the data of the round mouth data area are distributed from the inside to the outside layer in the middle of the circle center of the circular ring,
the circular two-dimensional bar code coding method comprises the following steps:
step 1, data is packed into a byte stream at an application layer, so that the size is determined according to an encoding system of the byte stream;
and 3, determining the identification blocks of the round mouth data area, and respectively clockwise by taking the circle center of the ring as a starting point. Repeating the writing in the counterclockwise direction;
the decoding step of the two-dimensional bar code comprises the following steps:
step 1, scanning an image formed in a round data area through an external tool, and performing graying and binarization processing in the tool;
preferably, the data at the innermost side of the round mouth data area is an identification block for analyzing the correct data reading direction and the start point, and the four corner patterns at the outer side of the round mouth data area are convenient for scanning and aligning.
Preferably, the data of the round data area is formed by the common PDF417 code value, and the maximum data content of the round data area is 1820 characters.
Preferably, the inner ring is sleeved inside the outer ring, and the color gray values of the outer ring and the inner ring are different.
Preferably, the round data area is circular, and the round data area is tangent to the inner side of the inner ring.
Preferably, the identification block comprises a circular two-dimensional code identifier, version information, a retention block and a positive and negative identification block, the information of the circular two-dimensional code identifier, the version information and the retention block is symmetrically distributed, and the positive and negative identification block is positioned right below the circle center of the circular ring.
Preferably, the colors of the outer ring, the inner ring and the first ring are selected from black or white for comparison.
Preferably, the round data area is sleeved inside the inner ring, and the color gray value is different between the round data area and the inner ring.
Preferably, the digital map codes represent 0-9 numbers, the size of a circle in the digital map codes represents the size of the number, four digital map codes are respectively arranged between two positioning patterns, and the digital map codes are smaller than the positioning patterns
Compared with the prior art, the invention provides a circular two-dimensional bar code decoding method, which has the following beneficial effects:
1. according to the circular two-dimensional bar code, the four digital image codes are respectively arranged between the positioning patterns, the two-dimensional bar code can be locked by one layer more, the second encryption system can be enhanced in the black and white blocks (0, 1), the digital image codes can automatically check, correct and eliminate error codes more than once, error barriers can be eliminated, the two-dimensional bar code can be protected by one layer more, the circular two-dimensional bar code can be widely used in high-tech encryption later, attack and damage of hackers are avoided, and the use safety performance of the two-dimensional bar code is improved.
2. The circular two-dimensional bar code is used for analyzing the correct data reading direction and the starting point through the innermost data identification block of the middle round-mouth data area, the data of the round-mouth data area is composed of the common PDF417 code value, the maximum data content of the round-mouth data area is 1850 characters, and therefore the data can be stored well, secondary scanning confirmation information is arranged inside the round-mouth data area, stored data information is safer, external personnel cannot easily perform scanning decoding, and the safety of internal data is protected.
3. The whole circular two-dimensional bar code is a circular scanning two-dimensional code, the whole graph is a circular ring, the circular bar code symbolizes that a company develops steaming days, the circular bar code is drawn like dragon eyes, the product is perfect, consumers feel relieved, the circular bar code represents the sunrise meaning, the talent vitality of the company is implied, letters, characters, images and the like can be displayed in the circular ring, and therefore a user can better confirm the brand and the product of the company, the company product diversification is represented, the whole is attractive and elegant, and the meaning is long.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:
FIG. 1 is a schematic diagram of a circular two-dimensional barcode structure according to the present invention;
FIG. 2 is a schematic diagram of a circular two-dimensional barcode data storage area according to the present invention;
FIG. 3 is a schematic view of a flow structure of a decoding method for a circular two-dimensional barcode according to the present invention;
in the figure: 1. the circle center of the circular ring; 2. a first circular ring; 3. an outer ring; 4. an inner circular ring; 5. a round data area; 6. a circle center pattern; 7. positioning the pattern; 8. and (6) a digital graph code.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a circular two-dimensional bar code decoding method comprises a circular ring center and a first circular ring, wherein the first circular ring is arranged on the outer circumference of the circular ring center, the outer shape size of the circular ring center is equal to the inner shape size of the first circular ring, circle center patterns are arranged on the upper side surface of the circular ring center, a round mouth data area is arranged on the outer circumference of the first circular ring, the outer shape size of the first circular ring is equal to the inner shape size of the round mouth data area, positioning patterns are uniformly distributed on the periphery of the round mouth data area, digital map codes are arranged on the periphery of the round mouth data area and between the positioning patterns, an inner circular ring is arranged on the outer circumference of the round mouth data area, the outer shape size of the round mouth data area is equal to the inner shape size of the inner circular ring, an outer circumference of the inner circular ring is arranged on the outer circumference of the inner circular ring, the outer shape size of the inner circular ring is equal to the inner shape size of the outer circular, the data of the round mouth data area are distributed from the middle of the circle center of the circular ring from the inner layer to the outer layer.
The circular two-dimensional bar code coding method comprises the following steps:
step 1, data is packed into a byte stream at an application layer, so that the size is determined according to an encoding system of the byte stream;
and 3, determining the identification blocks of the round mouth data area, and respectively clockwise by taking the circle center of the ring as a starting point. Repeating the writing in the counterclockwise direction;
the decoding step of the two-dimensional bar code comprises the following steps:
step 1, scanning an image formed in a round data area through an external tool, and performing graying and binarization processing in the tool;
and 5, after the read data is verified, entering the byte stream and returning to the application layer, namely decoding can be completed, if the verification fails, the byte stream cannot be entered, and then returning to the application layer, so that the decoding fails.
Furthermore, the data of the innermost side of the round mouth data area are identification blocks for analyzing correct data reading direction and an initial point, the four corner patterns on the outer side of the round mouth data area are convenient to scan and align for use, and the four corner patterns on the outer side in the round mouth data area are convenient to scan and align for use, so that a user can use the round mouth data area more conveniently when scanning with an external tool, the problem that the round mouth data area cannot be scanned is avoided, and the round mouth data area is faster in scanning.
Furthermore, the data of the round data area is the value of the common PDF417 code, and the maximum data content of the round data area is 1820 characters, so that the data can be well stored, secondary scanning confirmation information is arranged inside the round data area, the stored data information is safer, external personnel cannot easily scan and use the round data area, and the safety of the internal data is protected.
Further, inside ring cup joints in the inside of outside ring, and colour grey value is different between outside ring and the inside ring to make the connection avoid appearing great space like this, make more convenient when scanning the use, and different colour grey values make more convenient when using.
Further, the round data area is circular, and the round data area is tangent with the inside of the inner circular ring, so that the round data area is more convenient to use, and the round data area is circular, so that the round data area is more convenient to place and scan.
Furthermore, the identification block comprises a circular two-dimensional code identifier, version information, a retention block and a positive and negative identification block, the circular two-dimensional code identifier, the version information and the information of the retention block are symmetrically distributed, the positive and negative identification blocks are located under the circle center of the circular ring, and therefore scanning is more accurate, the internal information can be well collected, and the use is more convenient.
Further, the colour of outside ring, inside ring and first ring chooses for use black or white to contrast and uses to have fine contrast, it is faster when making to scan through outside instrument, avoid the interference of different colours to outside scanning instrument, thereby it is more convenient when using.
Further, the round mouth data area cup joints in the inside of inside ring, and colour grey value is different between round mouth data area and the inside ring to make the connection avoid appearing great space, can not take place the mistake like this when scanning, and different colour grey values, make more convenient when using.
Furthermore, the digital map codes represent 0-9 numbers, the size of a circle in the digital map codes represents the size of the number, four digital map codes are respectively arranged between two positioning patterns, and the digital map codes are smaller than the positioning patterns.
The working principle and the using process of the invention are as follows: after the coding is finished, the decoding can be carried out for use, and the decoding step of the circular two-dimensional bar code comprises the following steps:
step 1, scanning the image formed in the round data area by an external tool, thereby performing graying and binarization processing in the tool.
And 3, if the identification is carried out, vertically checking according to the same identification proportion, and carrying out secondary confirmation scanning for use.
And 4, if the verification is finished, scanning the external tool from top to bottom, and reading the data of the round data area layer by layer for identification and comparison.
And 5, after the read data is verified, entering the byte stream and returning to the application layer, namely decoding can be completed, if the verification fails, the byte stream cannot be entered, and then returning to the application layer, so that the decoding fails.
The circular two-dimensional bar code passes through the innermost data identification block of the middle round-mouth data area 5 so as to analyze the correct data reading direction and the starting point, the data of the round-mouth data area 5 is composed of the common PDF417 code value, the maximum data content of the round-mouth data area 5 is 1850 characters, and thus the data can be well stored, secondary scanning confirmation information is arranged inside the round-mouth data area, the stored data information is safer, the phenomenon that external personnel easily scan and decode is avoided, and the safety of internal data is protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A circular two-dimensional bar code decoding method comprises a circle center and a first ring, and is characterized in that: the outer circumference of the circle center of the ring is provided with a first ring, the outer shape size of the circle center of the ring is equal to the inner shape size of the first ring, the upper side surface of the circle center of the ring is provided with a circle center pattern, the outer circumference of the first ring is provided with a round opening data area, the outer shape size of the first ring is equal to the inner shape size of the round opening data area, the periphery of the round opening data area is uniformly distributed with positioning patterns, the periphery of the round opening data area and the positioning patterns are provided with digital map codes, the outer circumference of the round opening data area is provided with an inner ring, the outer shape size of the round opening data area is equal to the inner shape size of the inner ring, the outer circumference of the inner ring is provided with an outer ring, the outer shape size of the inner ring is equal to the inner shape size of the outer ring, the data of the round mouth data area are distributed from the middle of the circle center of the circular ring from the inner layer to the outer layer;
the circular two-dimensional bar code coding method comprises the following steps:
step 1, data is packed into a byte stream at an application layer, so that the size is determined according to an encoding system of the byte stream;
step 2, determining the circle center of the circular ring and the distribution positions of the first external circular ring, the outer circular ring and the inner circular ring;
step 3, determining an identification block of the round mouth data area, and repeatedly writing in clockwise and anticlockwise directions respectively by taking the circle center of the ring as a starting point;
step 4, writing the data into different data layers according to different levels;
step 5, generating a circular two-dimensional bar code image;
the decoding step of the two-dimensional bar code comprises the following steps:
step 1, scanning an image formed in a round data area through an external tool, and performing graying and binarization processing in the tool;
step 2, the external tool starts scanning from the upper part of the image formed in the round mouth data area in a horizontal linear mode, so that an outer circular ring, an inner circular ring and a first circular ring are scanned, and the identification characteristics are different gray scale ratios in the horizontal direction;
step 3, if the identification is carried out, vertically checking is carried out according to the same identification proportion, and therefore secondary confirmation scanning is carried out;
step 4, if the verification is finished, the external tool scans from top to bottom, and reads the data of the round data area layer by layer for identification and comparison;
and 5, after the read data is verified, entering the byte stream and returning to the application layer, namely decoding can be completed, if the verification fails, the byte stream cannot be entered, and then returning to the application layer, so that the decoding fails.
2. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the data at the innermost side of the round mouth data area is an identification block for analyzing the correct data reading direction and the start point, and the four corner patterns at the outer side of the round mouth data area are convenient to scan for alignment.
3. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the data of the round mouth data area is composed of common PDF417 code values, and the maximum data content of the round mouth data area is 1820 characters.
4. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the inner circular ring is sleeved inside the outer circular ring, and the color gray values of the outer circular ring and the inner circular ring are different.
5. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the round mouth data area is circular, and the round mouth data area is tangent to the inner side of the inner circular ring.
6. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the identification block comprises a circular two-dimensional code identifier, version information, a retention block and a positive and negative identification block, wherein the circular two-dimensional code identifier, the version information and the information of the retention block are symmetrically distributed, and the positive and negative identification block is positioned right below the circle center of the circular ring.
7. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the colors of the outer ring, the inner ring and the first ring are selected from black or white for comparison.
8. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the round data area is sleeved inside the inner circular ring, and the color gray value of the round data area is different from that of the inner circular ring.
9. The decoding method of the circular two-dimensional barcode according to claim 1, wherein: the digital graph codes represent 0-9 digits, the size of a circle in each digital graph code represents the size of a digit, four digital graph codes are respectively arranged between two positioning patterns, and the digital graph codes are smaller than the positioning patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487740.7A CN111291583A (en) | 2018-12-06 | 2018-12-06 | Circular two-dimensional bar code decoding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811487740.7A CN111291583A (en) | 2018-12-06 | 2018-12-06 | Circular two-dimensional bar code decoding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111291583A true CN111291583A (en) | 2020-06-16 |
Family
ID=71029779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811487740.7A Pending CN111291583A (en) | 2018-12-06 | 2018-12-06 | Circular two-dimensional bar code decoding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111291583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112819120A (en) * | 2021-01-27 | 2021-05-18 | 中山大学 | Fuzzy recognizable two-dimensional code and generation and recognition methods thereof |
-
2018
- 2018-12-06 CN CN201811487740.7A patent/CN111291583A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112819120A (en) * | 2021-01-27 | 2021-05-18 | 中山大学 | Fuzzy recognizable two-dimensional code and generation and recognition methods thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106529633B (en) | Generation method, coding/decoding method and the device of two dimensional code | |
| CN104657698B (en) | A kind of color 2 D code decoding method for carrying several black and white Quick Response Codes | |
| CN101667256B (en) | Method for producing and displaying two-dimensional code | |
| CN101944187B (en) | Two-dimensional micro code and processing method and device thereof | |
| CN104657768B (en) | A kind of color three dimension code generator and color three dimension code reading method | |
| CN109190736B (en) | Anti-counterfeiting two-dimensional code and generation method and generation application system thereof | |
| WO2021169502A1 (en) | A pixel image as well as its processing method and application system | |
| CN106022431B (en) | Method and device for generating, recognizing and reading color two-dimensional graph code of color identification type | |
| CN105976004A (en) | Color two-dimensional code multi-dimensional information encoding and decoding methods and devices | |
| CN101093553A (en) | 2D code system, and identification method | |
| CN104376356A (en) | Two-dimensional code generating method with encryption function | |
| CN103310252A (en) | CCQR (Colorful Coded Quick Response) anti-counterfeiting mark | |
| CN110276428A (en) | A kind of four-dimension code encoding and decoding method | |
| CN105894070B (en) | A kind of two dimension code encoding method and device | |
| CN111291583A (en) | Circular two-dimensional bar code decoding method | |
| CN110991589A (en) | Two-dimensional code and encryption method thereof | |
| CN107451640B (en) | Anti-counterfeiting method based on two-dimensional code | |
| CN109447208A (en) | A kind of recognition methods of 3D code and 3D code | |
| CN109543803B (en) | Coding system and decoding system capable of editing primary-secondary color two-dimensional codes | |
| CN111428532B (en) | Coding and decoding method capable of encrypting three-dimensional code | |
| CN104573781A (en) | Encoding and decoding method of two-dimensional code | |
| CN109389199A (en) | A kind of multidimensional code system and decoding method | |
| CN105787541B (en) | four-dimensional code encoding method and system | |
| US11847516B2 (en) | Method and device for reading a two-dimensional encoded pattern applied on a non-uniform background | |
| CN109325568A (en) | Anti-fake two-dimension code and its modulation encryption method and identifying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200616 |
|
| WD01 | Invention patent application deemed withdrawn after publication |