CN103544465B - A kind of decoding two-dimensional bar code recognition methods and device - Google Patents
A kind of decoding two-dimensional bar code recognition methods and device Download PDFInfo
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Abstract
The present invention is applicable to decoding two-dimensional bar code identification field, provide a kind of decoding two-dimensional bar code recognition methods and device, described method comprises the steps: the scanned object on the sweep parameter scanning streamline after using calibration, catches the two-dimensional bar of scanned object；The two-dimensional bar captured is decoded, and returns decoded result；According to decoded result, the scanned object on streamline is handled it.First scanning device on streamline is calibrated by the present invention, use the scanning device after calibration that the object on streamline is scanned, i.e. can meet the fundamental need of scanning, it is scanned can ensure that the efficiency of scanning after calibration simultaneously, meets the different requirements to scanning device on different streamlines.
Description
Technical field
The invention belongs to decoding two-dimensional bar code identification field, particularly relate to a kind of decoding two-dimensional bar code identification
Method and device.
Background technology
Two-dimensional bar is chequered with black and white in plane distribution according to certain rules with certain specific geometric figure
Graphic recording data symbol, on coding dexterously utilize constitute computer-internal logical foundations " 0 ",
The concept of " 1 " bit stream, uses several geometrical bodies corresponding with binary system to represent that word numerical value is believed
Breath.Two-dimensional bar by image input device or photoelectric scanning device can automatically identifying and reading with realize information from
Dynamic process.Two-dimensional bar has some general character of barcode technology: every kind of code system has its specific character set；
Each character occupies certain width；Having certain verifying function, two-dimensional bar also has not simultaneously
The information automatic identification function of colleague and process the features such as figure is rotationally-varying.Along with handheld device with
Popularizing of Android system, directly uses the handheld device running Android system quickly to scan product
Two-dimensional bar can make two-dimensional bar application system be easier to flexibly to use.Two-dimensional bar starts producing
Substantial amounts of application in product logistics.But existing technical scheme has and uses hardware decoding scheme, its requirement
Customization camera lens and specific decoding chip is used to identify and process two-dimensional bar, the camera lens of customization and specific
Decoding chip make the quantity of components and parts increased, have influence on the portability of equipment, the most specific decoding
Chip cannot online upgrading update decoding protocol, cause backward compatibility poor.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of decoding two-dimensional bar code recognition methods and device, first
Scanning device on streamline is calibrated, uses the scanning device after calibration that the object on streamline is entered
Row scanning, i.e. can meet the fundamental need of scanning, be scanned can ensure that the effect of scanning simultaneously after calibration
Rate, meets the different requirements to scanning device on different streamlines.
The embodiment of the present invention is achieved in that a kind of decoding two-dimensional bar code recognition methods, described method bag
Include following step:
Use the scanned object on the sweep parameter scanning streamline after calibration, catch the two of scanned object
Dimension bar code；
The two-dimensional bar captured is decoded, and returns decoded result；
According to decoded result, the scanned object on streamline is handled it.
Further, the scanned object on the described sweep parameter scanning streamline used after calibrating, catch
The step of the two-dimensional bar of scanned object includes:
Scanning device is calibrated；
Use the scanned object on the sweep parameter scanning streamline after calibration；
Catch the two-dimensional bar of scanned object.
Further, the described two-dimensional bar to capturing is decoded, and returns the step of decoded result
Including:
The two-dimensional bar captured is decoded；
When successfully decoded, return decoded result, when decoding unsuccessfully, return to decode and unsuccessfully point out.
Further, described step bag scanned object on streamline handled it according to decoded result
Include:
When successfully decoded, the decoded result according to returning makes the scanned object on streamline remain in operation
On streamline；
When decoding unsuccessfully, unsuccessfully point out according to the decoding returned and the scanned object on streamline is released stream
Waterline.
The another object of the embodiment of the present invention is to provide a kind of decoding two-dimensional bar code identification device, described dress
Put and include:
Calibration scan unit, the scanned object on sweep parameter scanning streamline after using calibration,
Catch the two-dimensional bar of scanned object；
Decoding unit, for being decoded the two-dimensional bar captured, and returns decoded result；
Processing unit, for handling it to the scanned object on streamline according to decoded result.
Further, described calibration scan unit includes:
Alignment unit, for calibrating scanning device；
Scanning element, the scanned object on sweep parameter scanning streamline after using calibration；
Capture unit, for catching the two-dimensional bar of scanned object.
Further, described decoding unit includes:
Codec processing unit, for being decoded the two-dimensional bar captured；
Decoding returns unit, for when successfully decoded, returns decoded result, when decoding unsuccessfully, returns
Decode and unsuccessfully point out.
Further, described processing unit includes:
Being successfully processed unit, for when successfully decoded, the decoded result according to returning makes the quilt on streamline
Scanning object remains in operation on streamline；
Failure handling unit, for when decoding unsuccessfully, the decoding according to returning unsuccessfully is pointed out on streamline
Scanned object release streamline.
Scanning device, by a kind of decoding two-dimensional bar code recognition methods and device, is carried out by the embodiment of the present invention
Calibration so that scanning device can be with the working environment residing for Rapid matching, can be fast when being scanned work
Scanning object is scanned, to complete quickly sweeping two-dimensional bar by speed ground according to the sweep parameter arranged
Retouch identification and make corresponding process according to scanning result.
Accompanying drawing explanation
Fig. 1 be first embodiment of the invention provide a kind of decoding two-dimensional bar code recognition methods realize flow process
Figure；
Fig. 2 be second embodiment of the invention provide a kind of decoding two-dimensional bar code recognition methods realize flow process
Figure；
Fig. 3 is the structure chart of a kind of decoding two-dimensional bar code identification device that third embodiment of the invention provides；
And
Fig. 4 is the structure chart of a kind of decoding two-dimensional bar code identification device that fourth embodiment of the invention provides.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Below in conjunction with specific embodiment the present invention implemented and is described in detail:
Embodiment one:
Fig. 1 shows the realization of a kind of decoding two-dimensional bar code recognition methods that first embodiment of the invention provides
Flow process, details are as follows:
S101, uses the scanned object on the sweep parameter scanning streamline after calibration, catches scanned
The two-dimensional bar of body.
First calibrating scanning device, concrete scanning device can be the intelligence using Android system
Energy mobile phone, owing to the smart mobile phone of Android system scans two-dimensional bar in default situations system by photographic head
Time, need to carry out the matching operations such as automatic focusing, and Auto-matching needs to expend the too much time, the most right
Scanning device is calibrated so that the parameter after scanning device calibration can quickly scan being swept on streamline
Retouch object, the scanned object from streamline captures the two-dimensional bar of scanned object.
S102, is decoded the two-dimensional bar captured, and returns decoded result.
After scanning device has acquired the two-dimensional bar of scanned object, to the two-dimensional strip scanned
Shape code is decoded operation, reads corresponding data, due to by scanning device pair from two-dimensional bar
The poor quality of some bar code scanning is inevitably run into, when causing decoding pair when object is scanned
The two-dimensional bar scanned cannot effectively identify, now needs to return one according to decoded final result
The result of individual decoding is to carry out follow-up operation.
S103, handles it to the scanned object on streamline according to decoded result.
After decoded result returns, according to concrete decoded result, the scanned object on streamline is carried out
Corresponding process, as made to be remained in operation on streamline by the object of decoding, and to decoding unsuccessful thing
Body releases streamline etc..
By the way, a kind of decoding two-dimensional bar code recognition methods, to scanning device for the embodiment of the present invention
Calibrate so that scanning device can be with the working environment residing for Rapid matching, the energy when being scanned work
Enough according to the sweep parameter arranged, scanning object is scanned the most rapidly, fast with complete two-dimensional bar
Speed scanning recognition also makes corresponding process according to scanning result.
Embodiment two:
Fig. 2 shows the realization of a kind of decoding two-dimensional bar code recognition methods that second embodiment of the invention provides
Flow process, details are as follows:
S201, calibrates scanning device.
First scanning device carries out calibration process, and wherein scanning device can be to use Android system
Smart mobile phone, the smart mobile phone of this Android system is equipped with photographic head simultaneously, uses photographic head to complete quilt
Scanning object scanning, wherein the calibration to scanning device include the calibration to flash lamp, the calibration of focal length,
The calibration of resolution and the calibration of aperture.
The brightness of flash lamp is correlated with the size of aperture, can first aperture be arranged in concrete calibration process
To maximum, further according to object translational speed on streamline, brightness of flash lamp adjustment is to can ensure that photographic head
Image limpid in sight can be captured be as the criterion.If brightness is the biggest, then need aperture size to turn down.
And calibration result is saved in during system arranges.The calibration of focusing is specifically as follows and first allows streamline stop fortune
OK, before the photographic head that scanned object is placed on streamline, now calibrated focal length, and calibration result is protected
During the system of being stored to is arranged.Wherein specifically can be according to Quick Response Code big on scanned object to the calibration of resolution
Little and density arranges applicable resolution, when the density of Quick Response Code is the biggest, then in Quick Response Code equal area
The data volume comprised is the most, then is accomplished by arranging bigger resolution, so can make the image of shooting
The details of Quick Response Code can be clearly indicated, so that realizing decoding faster.Wherein the calibration to aperture is concrete
Can calibrate during calibration brightness of flash lamp simultaneously.The data of its alignment can be one several
Fixing numerical value, it is also possible to be a less interval range value.
S202, uses the scanned object on the sweep parameter scanning streamline after calibration.
Use the scanned object on the sweep parameter scanning streamline after calibration, due to scanning ginseng during scanning
Number has been the sweep parameter after calibration, is made without the operation of focusing lamp, is carrying out in scanning process
Scanning can be quickly finished during scanning.
S203, catches the two-dimensional bar of scanned object.
After scanning scanned object, from scanned object, identify and capture the two dimension of scanned object
Bar code.
S204, is decoded the two-dimensional bar captured, and returns decoded result.
After capturing two-dimensional bar, the two-dimensional bar scanned is decoded operation, to obtain
The relevant information of the scanned object on streamline, due to when being scanned object by scanning device
Inevitably run into the poor quality of some bar code scanning, to the two-dimensional strip scanned when causing decoding
Shape code cannot effectively identify, now need according to decoded final result return one decoding result with
Carry out follow-up operation, as when finding that the two-dimensional bar None-identified that scans goes out valid data, permissible
Quickly again scanned object is carried out again or scanning repeatedly, obtain new sweeping with scanning
Retouch data, be used for carrying out the final solution to two-dimensional bar of the decoding of two-dimensional bar, scanning device basis
Code situation returns a decoded result, when successfully decoded, returns the result of successfully decoded, when decoding unsuccessfully
Time, return the prompting that decoding is failed.
S205, when successfully decoded, the decoded result according to returning makes the scanned object on streamline continue
Operate on streamline.
Concrete implementation process can be make according to the result of the successfully decoded returned when successfully decoded
Scanned object on streamline remains in operation on streamline, to complete the operation on follow-up streamline.
S206, when decoding unsuccessfully, the decoding according to returning unsuccessfully is pointed out the scanned object on streamline
Release streamline.
Concrete implementation process can be the decoding according to returning unsuccessfully is pointed out and will be flowed when decoding unsuccessfully
Scanned object on waterline releases streamline, so that scanned object is carried out some special handlings, completes phase
The operating process answered.
By the way, a kind of decoding two-dimensional bar code recognition methods, user is using the embodiment of the present invention
Scanning device is scanned the two-dimensional bar obtaining on scanned object to scanned object, first to sweeping
The equipment of retouching is calibrated so that scanning device can be scanned work with the working environment residing for Rapid matching
According to the sweep parameter arranged, scanning object can be scanned rapidly when making, to complete two dimension bar shaped
The quick scanning recognition of code also makes corresponding process according to scanning result.Concrete scanning device can be applied
Carrying out operation on streamline, can also be applied to other needs batch scanning article two-dimensional bar simultaneously
Application scenarios, completes corresponding scanning work.
Embodiment three:
Fig. 3 shows the structure of a kind of decoding two-dimensional bar code identification device that third embodiment of the invention provides
Figure, for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
Calibration scan unit 31, be used on the sweep parameter scanning streamline after using calibration is scanned
Body, catches the two-dimensional bar of scanned object.
First scanning device is calibrated by calibration scan unit, and concrete scanning device can be to use
The smart mobile phone of Android system, owing to the smart mobile phone of Android system passes through shooting in default situations system
During head scanning two-dimensional bar, need to carry out the matching operations such as automatic focusing, and Auto-matching needs to expend
Many time, first scanning device is calibrated so that the parameter after scanning device calibration can quickly be swept
Retouch the scanned object on streamline, the scanned object from streamline captures the two of scanned object
Dimension bar code.
Decoding unit 32, for being decoded the two-dimensional bar captured, and returns decoded result.
Decoding unit is for after scanning device has acquired the two-dimensional bar of scanned object, to sweeping
The two-dimensional bar retouched is decoded operation, reads corresponding data from two-dimensional bar, due to logical
The poor quality of some bar code scanning is inevitably run into when object is scanned by overscanning equipment,
When causing decoding, the two-dimensional bar scanned cannot effectively be identified, now need according to decoded
Termination fruit returns the result of a decoding to carry out follow-up operation.
Processing unit 33, for handling it to the scanned object on streamline according to decoded result.
Processing unit is after returning when decoded result, according to concrete decoded result to the quilt on streamline
Scanning object processes accordingly, as made to be remained in operation on streamline by the object of decoding, and to solution
The unsuccessful object of code releases streamline etc..
By the way, a kind of decoding two-dimensional bar code identification device, to scanning device for the embodiment of the present invention
Calibrate so that scanning device can be with the working environment residing for Rapid matching, the energy when being scanned work
Enough according to the sweep parameter arranged, scanning object is scanned the most rapidly, fast with complete two-dimensional bar
Speed scanning recognition also makes corresponding process according to scanning result.
Embodiment four:
Fig. 4 shows the structure of a kind of decoding two-dimensional bar code identification device that fourth embodiment of the invention provides
Figure, for convenience of description, illustrate only the part relevant to the embodiment of the present invention.
Alignment unit 41, for calibrating scanning device.
First alignment unit carries out calibration process to scanning device, and wherein scanning device can be to use android
The smart mobile phone of system, the smart mobile phone of this Android system is equipped with photographic head simultaneously, uses photographic head complete
The paired scanning of scanned object, wherein the calibration to scanning device includes the calibration to flash lamp, focal length
Calibration, the calibration of resolution, the calibration of shutter speed and the calibration of aperture.
Scanning element 42, the scanned object on sweep parameter scanning streamline after using calibration.
Scanned object on scanning element sweep parameter scanning streamline after using calibration, owing to sweeping
Sweep parameter when retouching has been the sweep parameter after calibration, is made without lamp of focusing in scanning process
Operation, can quickly finish scanning when being scanned.
Capture unit 43, for catching the two-dimensional bar of scanned object.
Capture unit, for after scanning scanned object, identifies from scanned object and captures and swept
Retouch the two-dimensional bar of object.
Decoding unit 44, for being decoded the two-dimensional bar captured, and returns decoded result.
Decoding unit is for, after capturing two-dimensional bar, being decoded the two-dimensional bar scanned
Operation, to get the relevant information of the scanned object on streamline, due to by scanning device to thing
The poor quality of some bar code scanning is inevitably run into, to sweeping when causing decoding when body is scanned
The two-dimensional bar retouched cannot effectively identify, now needs to return one according to decoded final result
The result of decoding is to carry out follow-up operation, as when finding that the two-dimensional bar None-identified scanned goes out effectively
During data, can the most again scanned object be carried out again or scanning repeatedly, to scan
To a new scan data, it is used for carrying out the decoding of two-dimensional bar, scanning device basis final to two
The decoding cases of dimension bar code returns a decoded result, when successfully decoded, returns the result of successfully decoded,
When decoding unsuccessfully, return the prompting that decoding is failed.
Being successfully processed unit 45, for when successfully decoded, the decoded result according to returning makes on streamline
Scanned object remains in operation on streamline.
When being successfully processed unit for being when successfully decoded in concrete implementation process, according to return
The result of successfully decoded makes the scanned object on streamline remain in operation on streamline, follow-up to complete
Operation on streamline.
Failure handling unit 46, for when decoding unsuccessfully, the decoding according to returning unsuccessfully is pointed out streamline
On scanned object release streamline.
Failure handling unit is for can be when decoding unsuccessfully in concrete implementation process, according to return
Decode unsuccessfully to point out and the scanned object on streamline is released streamline, so that scanned object to be carried out
Special handling, completes corresponding operating process.
By the way, a kind of decoding two-dimensional bar code identification device, user is using the embodiment of the present invention
Scanning device is scanned the two-dimensional bar obtaining on scanned object to scanned object, first to sweeping
The equipment of retouching is calibrated so that scanning device can be scanned work with the working environment residing for Rapid matching
According to the sweep parameter arranged, scanning object can be scanned rapidly when making, to complete two dimension bar shaped
The quick scanning recognition of code also makes corresponding process according to scanning result.Concrete scanning device can be applied
Carrying out operation on streamline, can also be applied to other needs batch scanning article two-dimensional bar simultaneously
Application scenarios, completes corresponding scanning work.Owing to this scanning device need not use special decoding chip
With specific photographic head, scanning device can effectively reduce the volume of components and parts, and scanning device is permissible simultaneously
Use general Android system, more flexible when the renewal of follow-up decoding protocol, different to adapt to
Demand is gone forward side by side accommodating maintenance and upgrading.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method
The program that can be by completes to instruct relevant hardware, and described program can be stored in computer-readable
Taking in storage medium, described storage medium, such as ROM/RAM, disk, CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (6)
1. a decoding two-dimensional bar code recognition methods, it is characterised in that described method includes
Following step:
Scanning device is calibrated, uses the quilt on the sweep parameter scanning streamline after calibration
Scanning object, catches the two-dimensional bar of scanned object；The wherein calibration bag to scanning device
Include the calibration to flash lamp, the calibration of focal length, the calibration of resolution and the calibration of aperture；
The two-dimensional bar captured is decoded, and returns decoded result；
According to decoded result, the scanned object on streamline is handled it.
2. the method for claim 1, it is characterised in that described to capturing two
Dimension bar code is decoded, and the step returning decoded result includes:
The two-dimensional bar captured is decoded；
When successfully decoded, returning decoded result, when decoding unsuccessfully, return decodes and unsuccessfully carries
Show.
3. the method for claim 1, it is characterised in that described according to decoded result
The step handling it the scanned object on streamline includes:
When successfully decoded, the decoded result according to returning makes the scanned object on streamline continue
Continue and operate on streamline；
When decoding unsuccessfully, according to the decoding returned unsuccessfully point out on streamline scanned
Body releases streamline.
4. a decoding two-dimensional bar code identification device, it is characterised in that described device includes:
Calibration scan unit, for calibrating scanning device, uses the scanning ginseng after calibration
Scanned object on number scanning streamline, catches the two-dimensional bar of scanned object；Wherein
Calibration to scanning device includes the calibration to flash lamp, the calibration of focal length, the calibration of resolution
And the calibration of aperture；
Decoding unit, for being decoded the two-dimensional bar captured, and returns decoding knot
Really；
Processing unit, for doing source according to decoded result to the scanned object on streamline
Reason.
5. device as claimed in claim 4, it is characterised in that described decoding unit includes:
Codec processing unit, for being decoded the two-dimensional bar captured；
Decoding returns unit, for when successfully decoded, returns decoded result, when decoding unsuccessfully
Time, return to decode and unsuccessfully point out.
6. device as claimed in claim 4, it is characterised in that described processing unit includes:
Being successfully processed unit, for when successfully decoded, the decoded result according to returning makes flowing water
Scanned object on line remains in operation on streamline；
Failure handling unit, for when decode unsuccessfully, according to the decoding of return unsuccessfully point out by
Scanned object on streamline releases streamline.
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| CN105138941A (en) * | 2015-08-24 | 2015-12-09 | 北京慧眼智行科技有限公司 | Image reading method used for dynamically configuring decoding parameter and device |
| CN108664836A (en) * | 2018-03-22 | 2018-10-16 | 福建升腾资讯有限公司 | A kind of quick barcode scanning test device and method based on slide unit |
| CN113297866A (en) * | 2021-05-21 | 2021-08-24 | 苏州视印智能系统有限公司 | Industrial code reader based on deep learning and heat map technology |
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