CN110795956A - Color two-dimensional code detection method and device suitable for android system - Google Patents
Color two-dimensional code detection method and device suitable for android system Download PDFInfo
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- 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
Abstract
The disclosure provides a color two-dimensional code detection method applicable to an android system, which comprises the steps of reading a color two-dimensional code image; determining a position detection graphic area and a functional graphic area of the color two-dimensional code image; identifying the color and version information of the position detection graph area, and restoring the functional graph area into a binary data code stream; and determining the information starting position of the color two-dimensional code image according to each color, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code. The method can be used for rapidly and accurately detecting and reading the color two-dimensional code, provides reliable support for subsequent payment, and has the advantages of easiness and convenience. The disclosure also provides a color two-dimensional code detection device suitable for the android system.
Description
Technical Field
The disclosure relates to the technical field of two-dimensional codes, in particular to a color two-dimensional code detection method and device suitable for an android system.
Background
In the prior art, the two-dimensional code is mostly black and white, but not few trade companies set the two-dimensional code as the colored two-dimensional code for attracting customers, and how to accurately, rapidly identify the colored two-dimensional code is the problem that needs to be solved urgently now.
Disclosure of Invention
In order to solve technical problems in the prior art, the embodiment of the present disclosure provides a color two-dimensional code detection method and device suitable for an android system, which can quickly and accurately detect and read a color two-dimensional code, and provide reliable support for subsequent payment, and have usability and convenience.
In a first aspect, an embodiment of the present disclosure provides a color two-dimensional code detection method adapted to an android system, including the following steps: reading a color two-dimensional code image; determining a position detection graphic area and a functional graphic area of the color two-dimensional code image; identifying the color and version information of the position detection graph area, and restoring the functional graph area into a binary data code stream; and determining the information starting position of the color two-dimensional code image according to each color, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code.
In one embodiment, the color two-dimensional code image includes: the two-dimensional code comprises a two-dimensional code body, a position detection graphic area and a function graphic area, wherein the position detection graphic area and the function graphic area are arranged on the two-dimensional code body, the position detection graphic area is arranged at three corner ends of the two-dimensional code body, and the position detection graphic area and the function graphic area are separated by separators; the position detection pattern regions are at least three regions, have different colors and are respectively positioned at four corners of the color two-dimensional code image, the position detection pattern regions are color frames, version information is arranged in the color frames, and the version information and the color frames are arranged in a separated mode.
In one embodiment, the determining the position detection pattern region and the functional pattern region of the color two-dimensional code image includes: sequentially filtering the RGB three color channels to obtain three coded gray level images respectively corresponding to each color channel; and determining the position detection graphic area and the functional graphic area of the color two-dimensional code image according to the obtained gray level image.
In one embodiment, the determining the position detection pattern region and the function pattern region of the color two-dimensional code image according to the obtained gray scale image includes: and respectively carrying out Sobel operator convolution calculation and hough transformation on each gray level image to determine a position detection graph region of the color two-dimensional code image, wherein a functional graph region of the color two-dimensional code image is within the position detection graph region.
In one embodiment, the restoring the functional graphics area to the binary data code stream includes: converting the color of each color block into a data segment containing three binary values according to a datamatrix decoding and mapping rule, wherein the datamatrix decoding and mapping rule is that the gray value is close to 0 and is equivalent to 0, the gray value is close to 255 and is equivalent to 1, and the gray value of each color block is corresponding to a specific data segment consisting of 0 and 1 according to a specific filtering sequence; and according to the arrangement sequence of the data segments, sequentially canceling all the data segments to form a complete binary data code stream.
In one embodiment, determining a position where information of the color two-dimensional code image starts according to each color specifically includes: determining the position of each position detection graphic region according to each color, wherein the position detection graphic region of each color corresponds to a specific position, a first position detection graphic region is positioned at the lower left corner of the color two-dimensional code image, the first position detection graphic region is of a first color, a second position detection graphic region is positioned at the upper left corner of the color two-dimensional code image, the second position detection graphic region is of a second color, a third position detection graphic region is positioned at the upper right corner of the color two-dimensional code image, the third position detection graphic region is of a third color, and the first color, the second color and the third color are different; and determining the position of the information start of the color two-dimensional code image according to the position of each position detection pattern area, wherein the information is read from the functional pattern area between the first position detection pattern area and the second position detection pattern area in sequence from top to bottom and from left to right.
In one embodiment, the color two-dimensional code image is provided with a background color, and the colors of the position detection graphic regions are different from the background color.
In a second aspect, the disclosed embodiments provide a computer-readable storage medium, on which a computer program is stored, which when executed by a processor, implements the steps of the method described above.
In a third aspect, the disclosed embodiments provide a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method described above when executing the program.
In a fourth aspect, an embodiment of the present disclosure provides a color two-dimensional code detection device adapted to an android system, where the device includes: the reading module is used for reading the color two-dimensional code image; the determining module is used for determining a position detection graphic area and a functional graphic area of the color two-dimensional code image; the identification and recovery module is used for identifying the color and version information of the position detection graph area and recovering the functional graph area into a binary data code stream; and the conversion detection module is used for determining the information starting position of the color two-dimensional code image according to each color and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code.
The invention provides a color two-dimensional code detection method and device suitable for an android system, which are used for reading a color two-dimensional code image; determining a position detection graphic area and a functional graphic area of the color two-dimensional code image; identifying the color and version information of the position detection graph area, and restoring the functional graph area into a binary data code stream; and determining the information starting position of the color two-dimensional code image according to each color, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code. The method can be used for rapidly and accurately detecting and reading the color two-dimensional code, provides reliable support for subsequent payment, and has the advantages of easiness and convenience.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced as follows:
fig. 1 is a schematic flow chart illustrating steps of a color two-dimensional code detection method adapted to an android system in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a color two-dimensional code detection device adapted to an android system in an embodiment of the present invention.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and examples.
In the following description, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance. The following description provides embodiments of the disclosure, which may be combined or substituted for various embodiments, and this application is therefore intended to cover all possible combinations of the same and/or different embodiments described. Thus, if one embodiment includes feature A, B, C and another embodiment includes feature B, D, then this application should also be considered to include an embodiment that includes one or more of all other possible combinations of A, B, C, D, even though this embodiment may not be explicitly recited in text below.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, specific embodiments of a color two-dimensional code detection method and device suitable for an android system according to the present invention are described in further detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a schematic flow chart of a color two-dimensional code detection method adapted to an android system in an embodiment specifically includes the following steps:
and 102, reading the color two-dimensional code image. Wherein, the colored two-dimensional code image includes: the two-dimensional code comprises a two-dimensional code body, a position detection graphic area and a function graphic area, wherein the position detection graphic area and the function graphic area are arranged on the two-dimensional code body, the position detection graphic area is arranged at three corner ends of the two-dimensional code body, and the position detection graphic area and the function graphic area are separated by separators; the position detection pattern regions are at least three regions, have different colors and are respectively positioned at four corners of the color two-dimensional code image, the position detection pattern regions are color frames, version information is arranged in the color frames, and the version information and the color frames are arranged in a separated mode.
In addition, it should be noted that the color two-dimensional code image is provided with a background color, and the colors of the plurality of position detection graphic regions are different from the background color. Therefore, the diversity and the usability of the color two-dimensional code image are improved.
And step 104, determining a position detection graphic area and a functional graphic area of the color two-dimensional code image.
Specifically, determining the position detection pattern region and the functional pattern region of the color two-dimensional code image includes: sequentially filtering the RGB three color channels to obtain three coded gray level images respectively corresponding to each color channel; and determining the position detection graphic area and the functional graphic area of the color two-dimensional code image according to the obtained gray level image. Therefore, the rapidness and the easiness of determining the position detection graphic area and the functional graphic area of the color two-dimensional code image are improved.
Further, determining the position detection pattern region and the functional pattern region of the color two-dimensional code image according to the obtained grayscale image includes: and respectively carrying out Sobel operator convolution calculation and hough transformation on each gray level image to determine a position detection graph region of the color two-dimensional code image, wherein a functional graph region of the color two-dimensional code image is within the position detection graph region. Therefore, the accuracy of determining the position detection graph area and the function graph area of the color two-dimensional code image is improved.
And 106, identifying the color and version information of the position detection graph area, and restoring the functional graph area into a binary data code stream.
Specifically, the restoring the functional graphic area to the binary data code stream includes: converting the color of each color block into a data segment containing three binary values according to a datamatrix decoding and mapping rule, wherein the datamatrix decoding and mapping rule is that the gray value is close to 0 and is equivalent to 0, the gray value is close to 255 and is equivalent to 1, and the gray value of each color block is corresponding to a specific data segment consisting of 0 and 1 according to a specific filtering sequence; and according to the arrangement sequence of the data segments, sequentially canceling all the data segments to form a complete binary data code stream. Therefore, the method and the device improve the rapidness of identifying the color and version information of the position detection graph area, and improve the accuracy and the usability of restoring the functional graph area into the binary data code stream.
And 108, determining the information starting position of the color two-dimensional code image according to each color, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code.
Specifically, determining the position where the information of the color two-dimensional code image starts according to each color specifically includes: determining the position of each position detection graphic region according to each color, wherein the position detection graphic region of each color corresponds to a specific position, a first position detection graphic region is positioned at the lower left corner of the color two-dimensional code image, the first position detection graphic region is of a first color, a second position detection graphic region is positioned at the upper left corner of the color two-dimensional code image, the second position detection graphic region is of a second color, a third position detection graphic region is positioned at the upper right corner of the color two-dimensional code image, the third position detection graphic region is of a third color, and the first color, the second color and the third color are different; and determining the position of the information start of the color two-dimensional code image according to the position of each position detection pattern area, wherein the information is read from the functional pattern area between the first position detection pattern area and the second position detection pattern area in sequence from top to bottom and from left to right. This improves the efficiency and usability of determining the position of the start of information of the color two-dimensional code image for each color.
The invention provides a color two-dimensional code detection method suitable for an android system, which comprises the steps of reading a color two-dimensional code image; determining a position detection graphic area and a functional graphic area of the color two-dimensional code image; identifying the color and version information of the position detection graph area, and restoring the functional graph area into a binary data code stream; and determining the information starting position of the color two-dimensional code image according to each color, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code. The method can be used for rapidly and accurately detecting and reading the color two-dimensional code, provides reliable support for subsequent payment, and has the advantages of easiness and convenience.
Based on the same inventive concept, a color two-dimensional code detection device suitable for an android system is also provided. Because the principle of the device for solving the problems is similar to that of the color two-dimensional code detection method suitable for the android system, the implementation of the device can be realized according to the specific steps of the method, and repeated parts are not repeated.
Fig. 2 is a schematic structural diagram of a color two-dimensional code detection device adapted to an android system in an embodiment. This colored two-dimensional code detection device 10 that is adapted to tall and erect system of ann includes: a reading module 200, a determining module 400, an identifying and recovering module 600, and a transition detection module 800. The reading module 200 is configured to read a color two-dimensional code image; the determining module 400 is configured to determine a position detection graph area and a functional graph area of the color two-dimensional code image; the identification and recovery module 600 is configured to identify the color and version information of the position detection graph region, and recover the functional graph region into a binary data code stream; the conversion detection module 800 is configured to determine a position where information of the color two-dimensional code image starts according to each color, and convert the binary data code stream into source data information according to a preset decoding rule according to a preset order to complete a detection operation of the color two-dimensional code.
It should be noted that, in practical application, the color two-dimensional code detection device adapted to the android system may include a device body, where the body is composed of a code scanning window and a breathing lamp control circuit; an opening is formed in the hollow structure of the code scanning window, a camera is arranged in the opening, and the vertical distance between the built-in camera and the outer edge of the code scanning window is more than or equal to 4 cm; and the code scanning window displays a display bar for digitizing each payment state, the payment amount and the payment state. In addition, a touch screen module, a safety processing module, a communication module and a GPRS module are arranged on a built-in mainboard of the color two-dimensional code detection device suitable for the android system. The breathing lamp control circuit comprises a power supply modulation circuit, an indicator lamp driving circuit, a processing module and a plurality of light emitting diodes, the plurality of light emitting diodes are respectively connected with the power supply modulation circuit and the indicator lamp driving circuit, and the processing module is respectively connected with the power supply modulation circuit and the indicator lamp driving circuit; the indicating lamp driving circuit comprises a plurality of driving sub-circuits which are in one-to-one correspondence with the plurality of light emitting diodes, the processing module is provided with a plurality of output ends which are in one-to-one correspondence with the plurality of driving sub-circuits, and each driving sub-circuit is respectively connected with one corresponding output end and one corresponding light emitting diode; the drive sub-circuit comprises a front resistor, a triode and a rear resistor, the negative electrode of the corresponding light emitting diode is connected with the collector of the triode through the front resistor, the base electrode of the triode is connected with the corresponding output end through the rear resistor, and the emitting electrode of the triode is grounded.
In addition, it should be noted that the processing module includes a processing chip; the processing chip comprises an S905 chip; a GPIOX _0 pin, a GPIOX _1 pin and a GPIOX _2 pin of the S905 chip are respectively connected with the indicator lamp driving circuit; a GPIOX _7 pin of the S905 chip is connected with the power supply modulation circuit; a GPIOX _7 pin of the S905 chip is connected with the power supply modulation circuit through a resistor R262; the VDDIO _ X pin of the S905 chip is used for being connected with a power supply. Therefore, effectiveness of prompt of normal work of the color two-dimensional code detection device suitable for the android system is improved.
The invention provides a color two-dimensional code detection device suitable for an android system, which comprises a reading module, a detection module and a control module, wherein the reading module is used for reading a color two-dimensional code image; determining a position detection graphic area and a functional graphic area of the color two-dimensional code image through a determination module; identifying the color and version information of the position detection graph area through an identification and recovery module, and recovering the functional graph area into a binary data code stream; and finally, determining the information starting position of the color two-dimensional code image according to each color through a conversion detection module, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code. The device can be fast, and colored two-dimensional code is read to accurate detection, and provides reliable support for subsequent payment, has ease of use and convenience.
The embodiment of the invention also provides a computer program product containing the instruction. Which when run on a computer causes the computer to perform the method of fig. 1 described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
The foregoing describes the general principles of the present disclosure in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present disclosure are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present disclosure. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the disclosure is not intended to be limited to the specific details so described.
The block diagrams of devices, apparatuses, systems referred to in this disclosure are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".
Also, as used herein, the use of "or" in a list of items beginning with "at least one" indicates a separate list, e.g., "A, B or at least one of C" means A or B or C, or AB or AC or BC, or ABC (i.e., A and B and C). Furthermore, the word "exemplary" does not mean that the described example is preferred or better than other examples.
The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the disclosure to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.
Claims (10)
1. A color two-dimensional code detection method suitable for an android system is characterized by comprising the following steps:
reading a color two-dimensional code image;
determining a position detection graphic area and a functional graphic area of the color two-dimensional code image;
identifying the color and version information of the position detection graph area, and restoring the functional graph area into a binary data code stream;
and determining the information starting position of the color two-dimensional code image according to each color, and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code.
2. The color two-dimensional code detection method suitable for the android system of claim 1, wherein the color two-dimensional code image comprises: the two-dimensional code comprises a two-dimensional code body, a position detection graphic area and a function graphic area, wherein the position detection graphic area and the function graphic area are arranged on the two-dimensional code body, the position detection graphic area is arranged at three corner ends of the two-dimensional code body, and the position detection graphic area and the function graphic area are separated by separators;
the position detection pattern regions are at least three regions, have different colors and are respectively positioned at four corners of the color two-dimensional code image, the position detection pattern regions are color frames, version information is arranged in the color frames, and the version information and the color frames are arranged in a separated mode.
3. The color two-dimensional code detection method suitable for the android system of claim 1, wherein the determining the position detection graph region and the functional graph region of the color two-dimensional code image comprises: sequentially filtering the RGB three color channels to obtain three coded gray level images respectively corresponding to each color channel;
and determining the position detection graphic area and the functional graphic area of the color two-dimensional code image according to the obtained gray level image.
4. The color two-dimensional code detection method suitable for the android system of claim 3, wherein the determining the position detection pattern region and the function pattern region of the color two-dimensional code image according to the obtained grayscale image comprises: and respectively carrying out Sobel operator convolution calculation and hough transformation on each gray level image to determine a position detection graph region of the color two-dimensional code image, wherein a functional graph region of the color two-dimensional code image is within the position detection graph region.
5. The color two-dimensional code detection method suitable for the android system of claim 1, wherein the restoring the functional graphic area to a binary data code stream comprises: converting the color of each color block into a data segment containing three binary values according to a datamatrix decoding and mapping rule, wherein the datamatrix decoding and mapping rule is that the gray value is close to 0 and is equivalent to 0, the gray value is close to 255 and is equivalent to 1, and the gray value of each color block is corresponding to a specific data segment consisting of 0 and 1 according to a specific filtering sequence;
and according to the arrangement sequence of the data segments, sequentially canceling all the data segments to form a complete binary data code stream.
6. The method for detecting the color two-dimensional code applicable to the android system as claimed in claim 1, wherein determining a position where information of the color two-dimensional code image starts according to each color specifically includes: determining the position of each position detection graphic region according to each color, wherein the position detection graphic region of each color corresponds to a specific position, a first position detection graphic region is positioned at the lower left corner of the color two-dimensional code image, the first position detection graphic region is of a first color, a second position detection graphic region is positioned at the upper left corner of the color two-dimensional code image, the second position detection graphic region is of a second color, a third position detection graphic region is positioned at the upper right corner of the color two-dimensional code image, the third position detection graphic region is of a third color, and the first color, the second color and the third color are different;
and determining the position of the information start of the color two-dimensional code image according to the position of each position detection pattern area, wherein the information is read from the functional pattern area between the first position detection pattern area and the second position detection pattern area in sequence from top to bottom and from left to right.
7. The color two-dimensional code detection method suitable for the android system as claimed in claim 1, wherein the color two-dimensional code image is provided with a background color, and the colors of the plurality of position detection graphic regions are different from the background color.
8. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of claims 1-7 are implemented when the program is executed by the processor.
10. The utility model provides a colored two-dimensional code detection device that is adapted to tall and erect system of ann, its characterized in that, the device includes:
the reading module is used for reading the color two-dimensional code image;
the determining module is used for determining a position detection graphic area and a functional graphic area of the color two-dimensional code image;
the identification and recovery module is used for identifying the color and version information of the position detection graph area and recovering the functional graph area into a binary data code stream;
and the conversion detection module is used for determining the information starting position of the color two-dimensional code image according to each color and converting the binary data code stream into source data information according to a preset decoding rule according to a preset sequence so as to finish the detection operation of the color two-dimensional code.
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| CN109325571A (en) * | 2018-09-21 | 2019-02-12 | 苏州玖典智能科技有限公司 | A kind of color 2 D code and coding/decoding method |
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| CN104899630A (en) * | 2015-06-18 | 2015-09-09 | 桂林电子科技大学 | Method of encoding/decoding color QR code |
| CN109325571A (en) * | 2018-09-21 | 2019-02-12 | 苏州玖典智能科技有限公司 | A kind of color 2 D code and coding/decoding method |
| CN109978111A (en) * | 2019-03-13 | 2019-07-05 | 杭州百伴生物技术有限公司 | Matrix two-dimensional code, its generation, coding/decoding method and its equipment |
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| CN109325571A (en) * | 2018-09-21 | 2019-02-12 | 苏州玖典智能科技有限公司 | A kind of color 2 D code and coding/decoding method |
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