CN105590080B - It is a kind of to be accurately positioned scanning system and scan method for mobile telephone bar code scanning - Google Patents
It is a kind of to be accurately positioned scanning system and scan method for mobile telephone bar code scanning Download PDFInfo
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- CN105590080B CN105590080B CN201510982448.2A CN201510982448A CN105590080B CN 105590080 B CN105590080 B CN 105590080B CN 201510982448 A CN201510982448 A CN 201510982448A CN 105590080 B CN105590080 B CN 105590080B
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- bar code
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—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
- G06K7/10831—Arrangement of optical elements, e.g. lenses, mirrors, prisms
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
- G06K7/1404—Methods for optical code recognition
- G06K7/1408—Methods for optical code recognition the method being specifically adapted for the type of code
- G06K7/1413—1D bar codes
-
- 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
-
- 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
- G06K7/1439—Methods for optical code recognition including a method step for retrieval of the optical code
- G06K7/1443—Methods for optical code recognition including a method step for retrieval of the optical code locating of the code in an image
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- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
It being accurately positioned scanning system and scan method for mobile telephone bar code scanning the invention discloses a kind of, belongs to mobile telephone bar code scanning technique field.Scanning system includes scan camera shooting head and positioning device, and positioning device includes laser localized light comparing, fixation adjacent with scan camera shooting head, and scanning system further includes positioning calibration arrangements module and is accurately positioned scan module, and scan method is：Bar code to be scanned is aimed at laser localized light comparing, the position of positioning lamp is identified, calibrated and recorded using positioning calibration arrangements module, and the shape size of scanning range is set, relevant configuration information is scanned according to positioning using scan module is accurately positioned, the acquisition of bar code image data is completed by scan camera shooting head, carry out the relevant treatment work of image data, complete single pass operation, the present invention can simultaneously be scanned a peacekeeping two-dimensional bar code, be suitable for the various mobile phones with camera and carry out bar code scan use.
Description
Technical field
It being accurately positioned scanning system and scan method for mobile telephone bar code scanning present invention relates particularly to a kind of, belongs to hand
Machine bar code scan technical field.
Background technology
With the rapid development of internet, Internet of Things, bar code scan also obtains soon as most important data acquisition means
Speed development, it is perfect, scanning technique is required it is also higher and higher, it is whole toward developing in accuracy, high efficiency, portability.Conventional strip
Code probe is mainly made of three parts：Positioning lamp（Positioning light is fallen represents which bar code scanned in which bar code）, image adopts
Collection（Acquire bar code image）, decoding（Bar code image is decoded）；All in all, conventional scanhead volume is big, of high cost, fixed
Position poor accuracy, when multiple bar codes occurs in the same area, scanning result is often random, it is difficult to accomplish accurate scanning
Effect.This undoubtedly brings very big inconvenience to user, is largely affected by performance and reliability, if using regular handset as
Terminal is just more prominent using this disadvantage.
Invention content
Therefore, present invention aims at provide it is a kind of overcome location accuracy difference defect for mobile telephone bar code scanning
It is accurately positioned scanning system, including scan camera shooting head and positioning device, positioning device includes laser localized light comparing, with scan camera shooting head
Adjacent fixation, the scanning system further include positioning calibration arrangements module and are accurately positioned scan module, and the positioning calibration is matched
Module is set for the position of positioning lamp to be identified, calibrates and recorded, and the shape size of scanning range is set, it is described accurate
It positions scan module to be used to scan relevant configuration information according to positioning, carries out the relevant treatment work of image, complete single pass
Operation.
The present invention also provides use above-mentioned scanning system for mobile telephone bar code scanning be accurately positioned scan method, institute
The method of stating is：Bar code to be scanned is aimed at laser localized light comparing, the position of positioning lamp is known using positioning calibration arrangements module
, it does not calibrate and records, and the shape size of scanning range is set, matched according to positioning scanning correlation using scan module is accurately positioned
Confidence ceases, and the acquisition of bar code image data is completed by scan camera shooting head, carries out the relevant treatment work of image data, and completion is once swept
Operation is retouched,
Wherein, positioning the step of calibration arrangements module is identified the position of positioning lamp, calibrates and records is：
The video flowing opening time is arranged in step 1 initialization operation；
Step 2 persistently receives video flowing, judges whether video flowing terminates, if video flowing is not finished, enters step
Three, if video flowing terminates, enter step seven；
Step 3 obtains a frame image in video flowing, and noise reduction filtering processing is carried out to image, is laser localized light comparing
Identification provides the image of high quality；
Laser localized light comparing is identified in step 4, judges whether to identify successfully, if identified successfully, enter step
Five, if identification is unsuccessful, return to step two；
Step 5 verifies laser localized light comparing recognition result, if verified successfully, enters step six, such as verifies
It is unsuccessful, then return to step two；
Successful laser localized light comparing location information is verified in step 6 recording step five；
The laser localized light comparing location information recorded in step 6 is sent to by step 7 to be accurately positioned scan module and passes through
Mobile phone screen is shown；
Wherein, the work step for being accurately positioned scan module is：
Step A scanning initialization；
Step B closes positioning lamp；
Step C obtains scan image, and laser localized light comparing location information is obtained from positioning calibration arrangements module；
Step D carries out fenestration procedure to image, is cut according to the position of positioning lamp, the size of window setting when windowing
It cuts, windowing method is centered on positioning lamp position, and interception square piece region intercepts one piece of bar shaped ten for scanning the two-dimensional code
Block domain is for scanning one-dimension code；
Image after cutting is sent into decoding library by step E；
Step F receives the scanning result returned from decoding library.
Further, initialization operation includes opening positioning lamp, closing flash lamp, open video flowing in the step 1.
Further, in the step 4 laser localized light comparing identify that successful condition is can be by using image procossing skill
Art extracts the features such as brightness, the shape of positioning lamp hot spot, finds the image space of positioning lamp.
Further, it includes that position range is sentenced to carry out method of calibration to laser localized light comparing recognition result in the step 5
Disconnected, multiple image Comparative result.
Further, scanning initialization includes completion positioning lamp position in the step A, the size that opens a window, windowing shape are matched
It the reading of information such as sets, completes the initial configuration of windowing parameter.
The beneficial effects of the present invention are：The present invention it is a kind of for mobile telephone bar code scanning be accurately positioned scanning system and
Scan method, this method can carry out positioning scanning to bar code, can be accurately positioned when scanning multiple adjacent bar codes, solve random
Export the industry problems of decoding result.Fall other uncorrelated bar codes by the location filtering of laser localized light comparing, eliminates uncorrelated
The interference in region all increases to decoding efficiency and reliability.The identification process of positioning lamp is separated with scanning, is prevented multiple
The interference in heterocycle border, reduces calculating process, to improve the efficiency and accuracy of positioning scanning.It provides a kind of novel
Open a window method of finding a view, while having the filtration to a peacekeeping two-dimensional bar code.The present invention is suitable for various with camera
Mobile phone carries out bar code scan use.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for being accurately positioned scanning system for mobile telephone bar code scanning of the present invention；
Fig. 2 is that the present invention is accurately positioned the work flow diagram that calibration arrangements module is positioned in scan method；
Fig. 3 is that the present invention is accurately positioned the work flow diagram that scan module is accurately positioned in scan method；
Fig. 4 is the schematic diagram that the present invention is accurately positioned windowing method in scan method.
Specific implementation mode
Description of specific embodiments of the present invention below：
As shown in Figure 1, a kind of being accurately positioned scanning system, including scan camera shooting head and positioning for mobile telephone bar code scanning
Device, positioning device include laser localized light comparing, fixation adjacent with scan camera shooting head, and scanning system further includes positioning calibration arrangements mould
Block and be accurately positioned scan module, positioning calibration arrangements module for the position of positioning lamp to be identified, calibrates and is recorded, and
The shape size of scanning range is set, is accurately positioned scan module for scanning relevant configuration information according to positioning, carries out image
Relevant treatment work, complete single pass operation.
Bar code mentioned in the present invention, including one-dimension code, Quick Response Code, scan camera shooting head are acquired for bar code image data,
For mobile phone.Positioning device includes mainly laser localized light comparing, and fixation adjacent with scan camera shooting head is irradiated to and is swept on object,
Auxiliary user accurately aims at bar code to be scanned.
A kind of to be accurately positioned scan method for mobile telephone bar code scanning using above-mentioned scanning system, method is：With swash
Light-seeking lamp aims at bar code to be scanned, and the position of positioning lamp is identified, calibrates and is recorded using positioning calibration arrangements module,
And the shape size of scanning range is set, relevant configuration information is scanned according to positioning using scan module is accurately positioned, by scanning
Camera completes the acquisition of bar code image data, carries out the relevant treatment work of image data, completes single pass operation,
Wherein, the step of positioning calibration arrangements module is identified the position of positioning lamp, calibrates and records as shown in Figure 2
For：
The video flowing opening time is arranged in step 1 initialization operation；
Step 2 persistently receives video flowing, judges whether video flowing terminates, if video flowing is not finished, enters step
Three, if video flowing terminates, enter step seven；
Step 3 obtains a frame image in video flowing, and noise reduction filtering processing is carried out to image, is laser localized light comparing
Identification provides the image of high quality；
Laser localized light comparing is identified in step 4, judges whether to identify successfully, if identified successfully, enter step
Five, if identification is unsuccessful, return to step two；
Step 5 verifies laser localized light comparing recognition result, if verified successfully, enters step six, such as verifies
It is unsuccessful, then return to step two；
Successful laser localized light comparing location information is verified in step 6 recording step five, it can be by collected multiple result
It is averaged, to improve the reliability of data；
The laser localized light comparing location information recorded in step 6 is sent to by step 7 to be accurately positioned scan module and passes through
Mobile phone screen is shown；
Wherein, as shown in figure 3, the work step for being accurately positioned scan module is：
Step A scanning initialization；
Step B closes positioning lamp；Before obtaining scan image, positioning lamp is first closed, in case positioning lamp is to scanning figure
As being interfered, influence to decode.
Step C obtains scan image, and laser localized light comparing location information is obtained from positioning calibration arrangements module；
Step D carries out fenestration procedure to image, is cut according to the position of positioning lamp, the size of window setting when windowing
It cuts, as shown in figure 4, windowing method is centered on positioning lamp position, interception square piece region is intercepted for scanning the two-dimensional code
One piece of saltire region is for scanning one-dimension code；This kind method of finding a view may filter that other bar codes other than positioning lamp attachment.
Image after cutting is sent into decoding library by step E；
Step F receives the scanning result returned from decoding library.
Preferably, initialization operation includes opening positioning lamp, closing flash lamp, open video flowing in step 1, closes and dodges
Light lamp is some reflective objects interference in order to prevent, causes the misrecognition to positioning lamp.
Preferably, laser localized light comparing identifies that successful condition is can be carried by using image processing techniques in step 4
The features such as brightness, the shape of positioning lamp hot spot are taken, the image space of positioning lamp is found.
Preferably, it includes position range judgement, multiframe to carry out method of calibration to laser localized light comparing recognition result in step 5
Image result compares.
Preferably, scanning initialization includes completing the letters such as positioning lamp position, windowing size, windowing shape configuration in step A
The initial configuration of windowing parameter is completed in the reading of breath.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. a kind of being accurately positioned scan method for mobile telephone bar code scanning, realize that the scanning system that scan method uses includes sweeping
Camera and positioning device are retouched, positioning device includes laser localized light comparing, fixation adjacent with scan camera shooting head, and scanning system further includes
It positions calibration arrangements module and is accurately positioned scan module, positioning calibration arrangements module is for knowing the position of positioning lamp
, it does not calibrate and records, and the shape size of scanning range is set, be accurately positioned scan module for matching according to positioning scanning correlation
Confidence ceases, and carries out the relevant treatment work of image, completes single pass operation, which is characterized in that the method is：It is fixed with laser
Position lamp aims at bar code to be scanned, and the position of positioning lamp is identified, calibrates and is recorded using positioning calibration arrangements module, and is set
The shape size for setting scanning range scans relevant configuration information, by scan camera shooting using scan module is accurately positioned according to positioning
Head completes the acquisition of bar code image data, carries out the relevant treatment work of image data, completes single pass operation,
Wherein, positioning the step of calibration arrangements module is identified the position of positioning lamp, calibrates and records is：
The video flowing opening time is arranged in step 1 initialization operation；
Step 2 persistently receives video flowing, judges whether video flowing terminates, if video flowing is not finished, enters step three, such as
Fruit video flowing terminates, then enters step seven；
Step 3 obtains a frame image in video flowing, and noise reduction filtering processing is carried out to image, is the identification of laser localized light comparing
The image of high quality is provided；
Laser localized light comparing is identified in step 4, judges whether to identify successfully, if identified successfully, enters step five, such as
Fruit identification is unsuccessful, then return to step two；
Step 5 verifies laser localized light comparing recognition result, if verified successfully, enters step six, such as verification not at
Work(, then return to step two；
Successful laser localized light comparing location information is verified in step 6 recording step five；
The laser localized light comparing location information recorded in step 6 is sent to by step 7 to be accurately positioned scan module and passes through mobile phone
Screen display；
Wherein, the work step for being accurately positioned scan module is：
Step A scanning initialization；
Step B closes positioning lamp；
Step C obtains scan image, and laser localized light comparing location information is obtained from positioning calibration arrangements module；
Step D carries out fenestration procedure to image, is cut, is opened according to the position of positioning lamp, the size of window setting when windowing
Window method is centered on positioning lamp position, and interception square piece region intercepts a Kuai Tiao saltires area for scanning the two-dimensional code
Domain is for scanning one-dimension code；
Image after cutting is sent into decoding library by step E；
Step F receives the scanning result returned from decoding library.
2. being accurately positioned scan method as described in claim 1, which is characterized in that initialization operation includes in the step 1
Positioning lamp is opened, flash lamp is closed, opens video flowing.
3. being accurately positioned scan method as described in claim 1, which is characterized in that laser localized light comparing identifies in the step 4
Successful condition be by using image processing techniques, extract brightness, the shape feature of positioning lamp hot spot, find positioning lamp at
Image position.
4. being accurately positioned scan method as described in claim 1, which is characterized in that know to laser localized light comparing in the step 5
It includes position range judgement, multiple image Comparative result that other result, which carries out method of calibration,.
5. being accurately positioned scan method as described in claim 1, which is characterized in that scanning, which initializes, in the step A includes
The reading for completing positioning lamp position, windowing size, the shape configuration information that opens a window, completes the initial configuration of windowing parameter.
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| CN201510982448.2A CN105590080B (en) | 2015-12-24 | 2015-12-24 | It is a kind of to be accurately positioned scanning system and scan method for mobile telephone bar code scanning |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228104A (en) * | 2016-07-21 | 2016-12-14 | 四川易想电子商务有限公司 | A kind of ecommerce bar code scanner |
| CN108268810A (en) * | 2016-12-30 | 2018-07-10 | 希姆通信息技术（上海）有限公司 | Mobile terminal and its bar code scanning method |
| CN106951806A (en) * | 2017-03-20 | 2017-07-14 | 深圳市美思美科智能科技股份有限公司 | A kind of anti-interference focusing identification equipment of Quick Response Code |
| CN109766880A (en) * | 2018-12-29 | 2019-05-17 | 航天信息股份有限公司 | Hand-held input system |
| CN111160061A (en) * | 2019-12-30 | 2020-05-15 | 张兆明 | Device for finishing information interaction and facilitating operation of user through code scanning |
| CN112487843B (en) * | 2020-11-17 | 2022-07-19 | 支付宝(杭州)信息技术有限公司 | Control method, device and equipment for positioning lamp of code scanning equipment and code scanning equipment |
| CN112464681B (en) * | 2020-11-26 | 2024-04-30 | 苏州摩比信通智能系统有限公司 | Graphic code scanning method, device, equipment and medium |
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| CN1564185A (en) * | 2004-03-22 | 2005-01-12 | 王越 | Two-D bar code reading method and appts. thereof |
| CN1848880A (en) * | 2006-03-07 | 2006-10-18 | 李振宇 | Mobile telephone scanning two-dimensional bar code network accessing |
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