CN106846670A - A kind of bar code reading method for being applied to POS terminal - Google Patents
A kind of bar code reading method for being applied to POS terminal Download PDFInfo
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- CN106846670A CN106846670A CN201611225655.4A CN201611225655A CN106846670A CN 106846670 A CN106846670 A CN 106846670A CN 201611225655 A CN201611225655 A CN 201611225655A CN 106846670 A CN106846670 A CN 106846670A
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- Prior art keywords
- bar code
- camera module
- camera
- pos terminal
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Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0036—Checkout procedures
- G07G1/0045—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader
- G07G1/0081—Checkout procedures with a code reader for reading of an identifying code of the article to be registered, e.g. barcode reader or radio-frequency identity [RFID] reader the reader being a portable scanner or data reader
-
- 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
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
- G06Q20/327—Short range or proximity payments by means of M-devices
- G06Q20/3278—RFID or NFC payments by means of M-devices
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- General Business, Economics & Management (AREA)
- Computer Networks & Wireless Communication (AREA)
- Strategic Management (AREA)
- Accounting & Taxation (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Telephone Function (AREA)
- Cash Registers Or Receiving Machines (AREA)
Abstract
The present invention relates to a kind of bar code reading method for being applied to POS terminal, there is provided a reading device, including microcontroller, camera module and webcam driver module；The parameter of microprocessor switching camera module simultaneously continuously reads the reading device again, and the microcontroller is connected with the camera module, and the microcontroller is used to configure the camera module and reads the data in the camera module；The camera module is used to photosensitive and transfers data to the microcontroller；The webcam driver module is connected with the camera module, is used to configure the camera module, in the case of being arranged on during bar code reading at interval of N frames, the parameter of the camera module that automatically switches.The parameter includes object brightness and exposure value, is used to the special scenes for making the camera module meet mobile telephone bar code recognition.The present invention can complete the application of bar code reading in special scenes.
Description
Technical field
The present invention relates to POS terminal field, more particularly to a kind of bar code reading method for being applied to POS terminal.
Background technology
With continuing to develop for internet, mobile telephone bar code recognition turns into hot issue.For mobile telephone bar code recognition, including branch
Fu Bao, wechat, Baidu's wallet, Jingdone district wallet etc., and mobile phone terminal other various bar codes application, including U.S. group's certificate, pay
Precious invoice house keeper etc., it is more and more universal in real life.So that POS device need to adapt to the change in market, for mobile phone bar
The special scenes of code recognition, should use specific technology according to special scenes, complete the application of bar code reading.
The content of the invention
In view of this, it is an object of the invention to provide a kind of bar code reading method for being applied to POS terminal, can be in specific field
Scape completes the application of bar code reading.
The present invention is realized using following scheme：A kind of bar code reading method for being applied to POS terminal, comprises the following steps：
Step S1：One reading device, including microcontroller, camera module and webcam driver module are provided；
Step S2：One POS terminal is in holding state, waits recognition to instruct and judges whether the recognition instruction is correct, if described
Recognition instruction is correct then to open the camera module and continuously reads N frame camera images；
Step S3：The camera image is judged during the camera image is read with the presence or absence of bar code, if the shooting
There is bar code in head image, the microprocessor will run decoding storehouse and complete decoding, and then wait the recognition instruction next time,
Return to step S2；If the camera image does not exist bar code, into step S4；
Step S4：The parameter of the microprocessor switching camera module and again continuous reading N frame camera images, are reading
Judge the camera image with the presence or absence of bar code, if the camera image has bar code, institute during the camera image
Stating microprocessor will run decoding storehouse and completes decoding, and then wait the recognition instruction, return to step S2 next time；If described
Camera image does not exist bar code, and the microprocessor will switch camera parameter and again camera described in continuous reading N frames
Module image；If camera image described in circulation certain hour does not exist bar code, the microprocessor will be judged to time-out, then
Terminate barcode scanning and wait the recognition instruction, return to step S2 next time.
Further, in the step S4, the parameter of the microprocessor switching camera module is specially：Switching is described
The object brightness parameter of camera module so that POS terminal is applied to the different photoenvironments that the mobile telephone bar code distinguishes technology, together
When switch the exposure value parameter of the camera module so that the different mobile phones that POS terminal is applied to mobile telephone bar code recognition are bright
The environment of degree.
Further, in the reading device, the microcontroller is connected with the camera module, the microcontroller
It is used to configure the camera module and reads the data in the camera module；The camera module is used to photosensitive and passes
Transmission of data is to the microcontroller；The webcam driver module is connected with the camera module, is used to configure the shooting
Head mould group, in the case of being arranged on during bar code reading at interval of N frames, the parameter of the camera module that automatically switches.
Further, the parameter includes object brightness and exposure value, is used to make the camera module meet mobile phone bar
The special scenes of code recognition.
Compared to prior art, the invention has the advantages that：POS terminal mobile telephone bar code recognition proposed by the invention
Method, during mobile telephone bar code recognition, in the case of at interval of N frames, automatically switch the camera module
Different parameters：Object brightness parameter including switching the camera module so that POS terminal is distinguished suitable for the mobile telephone bar code
The different photoenvironments of technology；Exposure value parameter including switching the camera module so that POS terminal is applied to the mobile phone
The environment of the different mobile phone brightness of bar code reading；By as above technical scheme, high degree improves POS terminal to the mobile phone
The adaptability of bar code reading, and substantially increase the customer experience degree during the mobile telephone bar code recognition.
Brief description of the drawings
Fig. 1 is flow chart of the method for the present invention schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be further described.
The present embodiment provides a kind of bar code reading method for being applied to POS terminal, as shown in figure 1, comprising the following steps：
Step S1：One reading device, including microcontroller, camera module and webcam driver module are provided；
Step S2：One POS terminal is in holding state, waits recognition to instruct and judges whether the recognition instruction is correct, if described
Recognition instruction is correct then to open the camera module and continuously reads N frame camera images；
Step S3：The camera image is judged during the camera image is read with the presence or absence of bar code, if the shooting
There is bar code in head image, the microprocessor will run decoding storehouse and complete decoding, and then wait the recognition instruction next time,
Return to step S2；If the camera image does not exist bar code, into step S4；
Step S4：The parameter of the microprocessor switching camera module and again continuous reading N frame camera images, are reading
Judge the camera image with the presence or absence of bar code, if the camera image has bar code, institute during the camera image
Stating microprocessor will run decoding storehouse and completes decoding, and then wait the recognition instruction, return to step S2 next time；If described
Camera image does not exist bar code, and the microprocessor will switch camera parameter and again camera described in continuous reading N frames
Module image；If camera image described in circulation certain hour does not exist bar code, the microprocessor will be judged to time-out, then
Terminate barcode scanning and wait the recognition instruction, return to step S2 next time.
In the present embodiment, in the step S4, the parameter of the microprocessor switching camera module is specially：Switching
The object brightness parameter of the camera module so that POS terminal is applied to the different illumination rings that the mobile telephone bar code distinguishes technology
Border, while switching the exposure value parameter of the camera module so that POS terminal is applied to the different hands of mobile telephone bar code recognition
The environment of machine brightness.
In the present embodiment, in the reading device, the microcontroller is connected with the camera module, the micro-control
Device processed is used to configure the camera module and reads the data in the camera module；The camera module is to photosensitive
And transfer data to the microcontroller；The webcam driver module is connected with the camera module, is used to configure described
Camera module, in the case of being arranged on during bar code reading at interval of N frames, the ginseng of the camera module that automatically switches
Number.
In the present embodiment, the parameter includes object brightness and exposure value, is used to make the camera module meet hand
The special scenes of machine bar code reading.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modification, should all belong to covering scope of the invention.
Claims (4)
1. a kind of bar code reading method for being applied to POS terminal, it is characterised in that:Comprise the following steps：
Step S1：One reading device, including microcontroller, camera module and webcam driver module are provided；
Step S2：One POS terminal is in holding state, waits recognition to instruct and judges whether the recognition instruction is correct, if described
Recognition instruction is correct then to open the camera module and continuously reads N frame camera images；
Step S3：The camera image is judged during the camera image is read with the presence or absence of bar code, if the shooting
There is bar code in head image, the microprocessor will run decoding storehouse and complete decoding, and then wait the recognition instruction next time,
Return to step S2；If the camera image does not exist bar code, into step S4；
Step S4：The parameter of the microprocessor switching camera module and again continuous reading N frame camera images, are reading
Judge the camera image with the presence or absence of bar code, if the camera image has bar code, institute during the camera image
Stating microprocessor will run decoding storehouse and completes decoding, and then wait the recognition instruction, return to step S2 next time；If described
Camera image does not exist bar code, and the microprocessor will switch camera parameter and again camera described in continuous reading N frames
Module image；If camera image described in circulation certain hour does not exist bar code, the microprocessor will be judged to time-out, then
Terminate barcode scanning and wait the recognition instruction, return to step S2 next time.
2. a kind of bar code reading method for being applied to POS terminal according to claim 1, it is characterised in that:The step S4
In, the parameter of the microprocessor switching camera module is specially：Switch the object brightness parameter of the camera module, make
Obtain POS terminal and be applied to the different photoenvironments that the mobile telephone bar code distinguishes technology, while switching the exposure of the camera module
Value parameter so that POS terminal is applied to the environment of the different mobile phone brightness of mobile telephone bar code recognition.
3. a kind of bar code reading method for being applied to POS terminal according to claim 1, it is characterised in that:The recognition dress
In putting, the microcontroller is connected with the camera module, and the microcontroller is used to configure the camera module and read
Take the data in the camera module；The camera module is used to photosensitive and transfers data to the microcontroller；It is described
Webcam driver module is connected with the camera module, is used to configure the camera module, is set during bar code reading
Put in the case of at interval of N frames, the parameter of the camera module that automatically switches.
4. a kind of bar code reading method for being applied to POS terminal according to claim 1, it is characterised in that:The parameter bag
Object brightness and exposure value are included, is used to the special scenes for making the camera module meet mobile telephone bar code recognition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225655.4A CN106846670A (en) | 2016-12-27 | 2016-12-27 | A kind of bar code reading method for being applied to POS terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611225655.4A CN106846670A (en) | 2016-12-27 | 2016-12-27 | A kind of bar code reading method for being applied to POS terminal |
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| CN106846670A true CN106846670A (en) | 2017-06-13 |
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| CN201611225655.4A Pending CN106846670A (en) | 2016-12-27 | 2016-12-27 | A kind of bar code reading method for being applied to POS terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107908998A (en) * | 2017-11-28 | 2018-04-13 | 百富计算机技术（深圳）有限公司 | Quick Response Code coding/decoding method, device, terminal device and computer-readable recording medium |
| CN110012235A (en) * | 2019-05-24 | 2019-07-12 | 上海商米科技有限公司 | Imagewise exposure control method and device, computer readable storage medium, system |
| EP3699878A1 (en) * | 2019-02-20 | 2020-08-26 | Toshiba TEC Kabushiki Kaisha | Article information reading apparatus |
| CN112560536A (en) * | 2020-12-26 | 2021-03-26 | 苏州斯普锐智能系统股份有限公司 | Method for reading and decoding image bar code by applying enhanced code reading mode |
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Application publication date: 20170613 |