CN109145672A - DPM two-dimensional code identification method is realized based on dual camera - Google Patents
DPM two-dimensional code identification method is realized based on dual camera Download PDFInfo
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- CN109145672A CN109145672A CN201710462684.0A CN201710462684A CN109145672A CN 109145672 A CN109145672 A CN 109145672A CN 201710462684 A CN201710462684 A CN 201710462684A CN 109145672 A CN109145672 A CN 109145672A
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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
- G06K7/1417—2D bar codes
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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
- G06K7/1439—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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Abstract
The present invention relates to one kind to realize DPM two-dimensional code identification method based on dual camera, after barcode scanning terminal is powered successfully, the camera function of image recognition is turned on simultaneously, and main camera and auxiliary camera start to monitor the first photographed subject and the second shooting main body simultaneously, obtains the first judging result；According to tell the first judging result by the main camera and the auxiliary camera obtain the first transmitting image and second transmitting image, according to two pictures Processing Algorithm rapid synthesis target transmit image；Target transmitting image, which is sent in Decode engine, enables two dimensional code position in the algorithm knowledge figure positioning target image.The present invention can be worked as with effective solution is imaged positioning DPM two dimension code position, two dimensional code in Direct Recognition image by dual camera, and ignores other pixels imaging interference problems, accelerates decoding speed, promotion user experience.
Description
Technical field
The invention belongs to a kind of DPM two dimensional code dual camera field of image recognition, are taken the photograph in particular to one kind based on double
Quickly positioning, accurately identify DPM two dimensional code method as head.
Background technique
Currently, two dimensional code application is gradually extensive, permeate in all trades and professions.Unconsciously have become bridge joint reality and void
Quasi- most capable one of tool.With and it is raw be miscellaneous terminal scanner, it is extensive with application, to various environment
The identification of two dimensional code requires also opposite have new requirement in the identification of lower two dimensional code, various parts.Especially on extensive stock,
Miscellaneous two dimensional code on industrial product, having required respective scanned device accurately can quickly identify.But due to it is various can not
The reason of estimating, single camera obtain image and accurately can not quickly position, and it is slow to get speed image sometimes, and image is fuzzy, by
Polishing influences, and causes not decoding under identical Decode engine, this significantly impacts the ultimate attainment experience of user.
Existing dual camera has application in each scheme for obtaining image, but there is also defects.Such as: existing pair is taken the photograph
Picture position can not be accurately positioned when obtaining image as head, needed for scanning means not to be that dual camera is got whole
A image, but the image in 2 D code navigated to, and then information is transmitted to decoding apparatus.Especially as each on this component of DPM
Two dimensional code under kind of scene is even more to sweep speed, scanning means, and scanning circumstance has a higher requirement, existing technology without
Method solves the DPM two dimensional code of iteration change.
Although some scenes can be put up with by the optimization of some other technology, user experience is under obvious
Drop, some DPM two dimensional codes are even more that can not identify under common code reader environment, are badly in need of one kind new solution and barcode scanning and draw
It holds up to combine and produces DPM two dimensional code under new unexpected " severe " environment of decoding apparatus identification of one kind.Therefore, how to solve
Certainly when improving user experience to the identification of DPM two dimensional code by dual camera imaging, it is accurately positioned into dual camera imaging
The position of two dimensional code, and then it is adapted to out corresponding barcode scanning device, have become the ultimate attainment experience of promotion user technology urgently to be resolved
Problem.
Summary of the invention
The purpose of the present invention is to solve the above problems, propose a kind of based on dual camera realization DPM two dimensional code identification
Method can be worked as with effective solution and positioning DPM two dimension code position, two dimension in Direct Recognition image is imaged by dual camera
Code, and ignore other pixel imaging interference problems, accelerate decoding speed, promotes user experience.
The purpose of the present invention is achieved through the following technical solutions: realizing the identification of DPM two dimensional code based on dual camera
Method, it is characterised in that: after barcode scanning terminal is powered successfully, the camera function of image recognition is turned on simultaneously, main camera and
Auxiliary camera starts to monitor the first photographed subject and the second shooting main body simultaneously, obtains the first judging result；According to telling
One judging result obtains the first transmitting image and the second transmitting image by the main camera and the auxiliary camera, according to
Image is transmitted to the Processing Algorithm rapid synthesis target of two pictures；Target transmitting image, which is sent to enable in Decode engine, to be calculated
Method knows figure and positions two dimensional code position in the target image, and location information record is passed to two dimensional code Processing Algorithm, into
And return directly is decoded by passed location information.
Further, when camera is started to work, because the relative positional relationship of main camera and auxiliary camera can
It is verified with the relative positional relationship for shooting main body and the second shooting main body with the first of acquisition, e.g., when the master of decoder takes the photograph
When being in oblique pair of relative position as head and auxiliary camera, judge whether the first shooting main body and the second shooting main body are also at
Whether corresponding positional relationship is having been judged as a result, and the two shooting subject images obtained is combined to verify obtain again
To correct readable pictorial information, if verification is correct, is dealt in incoming primary location algorithm, conversely, abandoning, continue to repeat
It obtains, similar pipeline system works.The method obtains two dimensional code compared to more common image recognition algorithm and is passed to Decode engine increasing
Add quick obtaining two dimensional code position, and other pictorial informations do not pass down, screenshot is sent, and improves decoded speed
Degree, feedback is also further promoted, so that the user experience is improved.
Further, it is passed according to after the verification of the first judging result and by described in main camera and auxiliary camera first
The specific steps for passing image and the second transmitting image include: the first transmitting image and the after first check results confirmation
For two transmitting images under the algorithmic rule of main camera and auxiliary camera, the second transmitting image can transmit image with first first
Target image, which is generated, by Processing Algorithm with the first transmitting image under the mobile control command of auxiliary camera passes to subsequent draw
Hold up middle processing.
Further, the position of camera is alternatively provided at the relatively intermediate diagonal direction of barcode scanning box body, this direction position
Setting has booster action to acquisition DPM image in 2 D code, and dual camera processing control can be allowed to obtain complete two dimensional code partial pixel,
Two dimensional code is completely included on the basis of size transmitting image is fixed, guarantees that two dimensional code in middle position, passes through camera algorithm pair
Imaging only retains image in 2 D code part and passes to Decode engine, realizes that redundance does not transmit, increases inner buffer
Space keeps for the space of Decode engine bigger, and then promotes decoding return speed, promotes user experience.
Effective solution of the present invention, which is worked as, passes through dual camera imaging positioning DPM two dimension code position, Direct Recognition image
Middle two dimensional code, and ignore other pixel imaging interference problems, accelerate decoding speed, promotes user experience.
Specific embodiment
The present invention is further illustrated for following example:
Embodiment；DPM two-dimensional code identification method is realized based on dual camera, and after barcode scanning terminal is powered successfully, image is known
Other camera function is turned on simultaneously, and main camera and auxiliary camera start to monitor the first photographed subject and the second shooting simultaneously
Main body obtains the first judging result；According to telling that the first judging result obtained by the main camera and the auxiliary camera
To the first transmitting image and the second transmitting image, image is transmitted according to the Processing Algorithm rapid synthesis target to two pictures；Mesh
Mark transmitting image, which is sent in Decode engine, enables two dimensional code position in the algorithm knowledge figure positioning target image, by position
Confidence breath record passes to two dimensional code Processing Algorithm, and then is directly decoded return by passed location information；When camera is opened
When beginning work, because the relative positional relationship of main camera and auxiliary camera can shoot main body and second with the first of acquisition
The relative positional relationship of shooting main body is verified, e.g., when the main camera and auxiliary camera of decoder are in oblique pair of phase
When to position, judge whether the first shooting main body and the second shooting main body are also at corresponding positional relationship, has been judged
As a result, and combine two obtained shooting subject images to verify whether get correct readable pictorial information again, if school
It tests correctly, is dealt in incoming primary location algorithm, conversely, abandoning, continue to repeat to obtain, similar pipeline system work.This side
Method obtains the incoming Decode engine of two dimensional code compared to more common image recognition algorithm and increases quick obtaining two dimensional code position,
And other pictorial informations do not pass down, screenshot is sent, and improves decoded speed, and feedback is also further promoted, to mention
User experience is risen；According to after the verification of the first judging result and passing through the first transmission figure described in main camera and auxiliary camera
The specific steps of picture and the second transmitting image include: after first check results confirmation, and the first transmitting image and second passes
Image is passed under the algorithmic rule of main camera and auxiliary camera, the second transmitting image can be first with the first transmitting image auxiliary
It helps under the mobile control command of camera and is passed in subsequent engine with the first transmitting image by Processing Algorithm generation target image
Processing；The position of dual camera is alternatively provided at the relatively intermediate diagonal direction of barcode scanning box body, this direction position is to acquisition DPM
Image in 2 D code has booster action, dual camera processing control can be allowed to obtain complete two dimensional code partial pixel, in size transmission figure
As completely including two dimensional code on the basis of fixing, guarantee two dimensional code in middle position, by camera algorithm to imaging
Retain image in 2 D code part and pass to Decode engine, realizes that redundance does not transmit, increase inner buffer space, keep for
The space of Decode engine is bigger, and then promotes decoding return speed, promotes user experience.
Finally, it should be noted that obviously, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
The obvious changes or variations of stretching are still in the protection scope of this invention.
Claims (4)
1. one kind realizes DPM two-dimensional code identification method based on dual camera, it is characterised in that: after barcode scanning terminal is powered successfully,
The camera function of image recognition is turned on simultaneously, and main camera and auxiliary camera start to monitor the first photographed subject and simultaneously
Two shooting main bodys, obtain the first judging result；According to tell the first judging result by the main camera and it is described auxiliary take the photograph
Image is transmitted as head obtains the first transmitting image and second, according to the Processing Algorithm rapid synthesis target transmission figure to two pictures
Picture；Target transmitting image, which is sent in Decode engine, to be enabled algorithm knowledge figure to position two dimensional code institute in the target image in place
It sets, location information record is passed into two dimensional code Processing Algorithm, and then be directly decoded return by passed location information.
2. according to claim 1 realize DPM two-dimensional code identification method based on dual camera, it is characterised in that: work as camera shooting
When head is started to work, because the relative positional relationship of main camera and auxiliary camera can with the first of acquisition the shooting main body and
The relative positional relationship of second shooting main body is verified, e.g., when main camera and the auxiliary camera of decoder are in tiltedly right
Relative position when, judge first shooting main body and second shooting main body whether be also at corresponding positional relationship, sentenced
It is disconnected as a result, and combine two obtained shooting subject images to verify whether get correct readable pictorial information again, such as
Fruit verification is correct, deals in incoming primary location algorithm, conversely, abandoning, continues to repeat to obtain, similar pipeline system works.
The method obtains the incoming Decode engine of two dimensional code compared to more common image recognition algorithm and increases quick obtaining two dimensional code place
Position, and other pictorial informations do not pass down, screenshot is sent, and improves decoded speed, and feedback is also further promoted, from
And the user experience is improved.
3. according to claim 1 realize DPM two-dimensional code identification method based on dual camera, it is characterised in that: according to the
Image is transmitted after the verification of one judging result and by the first transmitting image and second described in main camera and auxiliary camera
Specific steps include: after first check results confirmation, the first transmitting image and the second transmitting image in main camera and
Under the algorithmic rule of auxiliary camera, the second transmitting image can be first with the first transmitting image in the mobile control life of auxiliary camera
Lower pass in subsequent engine with the first transmitting image by Processing Algorithm generation target image is enabled to handle.
4. according to claim 1 realize DPM two-dimensional code identification method based on dual camera, it is characterised in that: double camera shootings
The position of head is alternatively provided at the relatively intermediate diagonal direction of barcode scanning box body, this direction position is to acquisition DPM image in 2 D code
There is booster action, dual camera processing control can be allowed to obtain complete two dimensional code partial pixel, in the base that size transmitting image is fixed
Two dimensional code is completely included on plinth, guarantees that two dimensional code in middle position, only retains two dimensional code to imaging by camera algorithm
Image section passes to Decode engine, realizes that redundance does not transmit, increases inner buffer space, keep for Decode engine
Space is bigger, and then promotes decoding return speed, promotes user experience.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754034A (en) * | 2019-01-08 | 2019-05-14 | 北京邮电大学 | A kind of terminal device localization method and device based on two dimensional code |
| CN109903038A (en) * | 2019-02-17 | 2019-06-18 | 北京意锐新创科技有限公司 | The two dimensional code method of payment and device that multi information is superimposed under complex background |
| CN110008771A (en) * | 2019-03-15 | 2019-07-12 | 阿里巴巴集团控股有限公司 | A kind of scan code system and barcode scanning method |
| CN110729776A (en) * | 2019-07-01 | 2020-01-24 | 深圳芯智汇科技有限公司 | DPM loop hysteresis control circuit |
| CN113242107A (en) * | 2020-12-27 | 2021-08-10 | 南京飞搏数据技术有限公司 | Two-dimensional code transmission protocol |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109754034A (en) * | 2019-01-08 | 2019-05-14 | 北京邮电大学 | A kind of terminal device localization method and device based on two dimensional code |
| CN109903038A (en) * | 2019-02-17 | 2019-06-18 | 北京意锐新创科技有限公司 | The two dimensional code method of payment and device that multi information is superimposed under complex background |
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| CN110729776A (en) * | 2019-07-01 | 2020-01-24 | 深圳芯智汇科技有限公司 | DPM loop hysteresis control circuit |
| CN110729776B (en) * | 2019-07-01 | 2021-07-06 | 深圳芯智汇科技有限公司 | DPM loop hysteresis control circuit |
| CN113242107A (en) * | 2020-12-27 | 2021-08-10 | 南京飞搏数据技术有限公司 | Two-dimensional code transmission protocol |
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Application publication date: 20190104 |