CN107818582A - The detecting system and method for full-automatic identification carrier band reel angle and bar code information - Google Patents
The detecting system and method for full-automatic identification carrier band reel angle and bar code information Download PDFInfo
- Publication number
- CN107818582A CN107818582A CN201711174435.8A CN201711174435A CN107818582A CN 107818582 A CN107818582 A CN 107818582A CN 201711174435 A CN201711174435 A CN 201711174435A CN 107818582 A CN107818582 A CN 107818582A
- Authority
- CN
- China
- Prior art keywords
- carrier band
- bar code
- angle
- band reel
- pilot hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
-
- 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
- G06K7/146—Methods for optical code recognition the method including quality enhancement steps
Abstract
The disclosure provides a kind of detecting system of full-automatic identification carrier band reel angle and bar code information, including processor, storage device and image collecting device, described image harvester are used for the image for gathering carrier band reel to be measured, and the processor is handled image.
Description
Technical field
This disclosure relates to detecting system field, more particularly to a kind of full-automatic identification carrier band reel angle and bar code information
Detecting system and method.
Background technology
With deepening constantly for China's industrial repositioning upgrading, enterprise is for quality optimization, energy consumption reduces and production efficiency
The demand of raising is more and more urgent.In recent years, the vision detection technology development of computer, communication and consumer electronics product is fast
Speed, it is related to the multiple fields such as production stream, quality stream, logistics.In China, due to the limitation of technical strength, technological level, carrier band volume
Disk correlation-detection system is as typical communication command and control system still in the initial development stage, and occupation rate of market is relatively low, and machine vision is made
For the core of the system, precision, the reliability and stability of whole system are directly connected to.In order to ensure the fortune of the detecting system
Row precision and bidding quotation uniformity, machine vision will not only realize the accurate survey of the data especially angle information to carrying reel
Amount, also need all bar codes (including one-dimension code and Quick Response Code) information precisely on identification carrier band reel.
Different vendor, different batches, the carrier band reel of different components are different, different its pilot hole of carrier band reel
Rectangle size is inconsistent at position or fixed braid head, and manual identified is low with manpower and efficiency that verification needs are more, error rate
Height, is difficult to while carrier band reel that precise positioning is different using traditional detecting system.The present invention proposes a kind of suitable for a variety of
Carry reel angle and bar code identification detecting system, the system in camera lens field depth, for carry reel size,
It is insensitive with the relative position of camera lens, improve the stability of detecting system.In addition, the system is applied to all guiding hole sites
Carrier band reel so that its scope of application is wider, is advantageous to meet extensive, multiple batches of, high-quality and high-efficiency life in industrial production
Production requires.
The content of the invention
A kind of detecting system of full-automatic identification carrier band reel angle and bar code information, including processor, storage device and
Image collecting device, described image harvester are used for the image for gathering carrier band reel to be measured, the following journey of computing device
Sequence step：
S1 reads described image, judges to whether there is template file in the storage device, if not setting up template file, inspection
Examining system will be automatically into modeling procedure, if existing template file, into step S2；
S2 reads template file, positions No.1 circle and central bore region in described image, in No.1 circle region
The central bore region is deducted, remaining area is defined as the lookup region of template；
S3 is justified using the pilot hole in the template matches described image and the No.1, led in the lookup region
The center position coordinates for crossing the pilot hole and No.1 circle converse the angle to be measured for carrying reel；
The position relationship that S4 justifies according to bar code and the pilot hole on carrier band reel to be measured and the No.1, described in reckoning
The center position coordinates of bar code simultaneously identify bar code information；
S5 obtains according to the center position coordinates of the pilot hole and the center position coordinates of the bar code, verification step S3
It is described it is to be measured carrier band reel angle information；
S6 selects to terminate or detect again according to the result, it is determined that the angle and bar of the final carrier band reel to be measured
Code information.
The No.1 justifies the reference center for demarcating carrier band reel, and the centre bore and the pilot hole are described one
Number circle region in.
Wherein, the position of the No.1 circle is fixed that material strip is fixed on carrier band reel around No.1 circle region；
The No.1 fenestra can use the profile of carrier band reel to substitute, for demarcating the center of carrier band reel；The pilot hole can have three
It is individual, at intervals of 120 degree, one of them is randomly choosed as setting circle；Because centre bore needs to take in reel detecting system is carried
Used with different locating dowel, the image information of division center is unfavorable to detection and localization, and step S2 is by the central bore region button
Except seeking scope can be reduced, detection efficiency is improved.
Further, modeling procedure described in step S1 includes：
A establishes the template of the pilot hole；
B establishes the template of the No.1 circle；
All Template Informations are stored in the detection catalogue of the storage device by c.
Wherein, the pilot hole template and the No.1 circle template are two circular contour that can be scaled templates.
Further, the angle for reel being carried described in step S3 is that the center of circle justified by the pilot hole and the No.1 connects
The angle of the positive direction of line and X-axis converts to obtain.
Further, verification method described in step S5 is：Center position coordinates and the bar code using the pilot hole
Center position coordinates calculate the angle of the carrier band reel to be measured, by angle changing rate described in the angle and step S3, checking two
Whether person's difference is in error range.
Wherein, the absolute value of angle described in step S3 and the difference of angle described in step S5 needs to be less than error, if super
Going out the error range, then there is gross error and need to detect again in above-mentioned two angular surveying.The error range is according to actual essence
Degree requires setting.
Further, termination condition described in step S6 is：The result is in the error range.
Further, the method for carrying reel angle and bar code information using described detecting system identification, including it is following
Step：
S1 is gathered and is read the image of the carrier band reel to be measured, is judged in the storage device with the presence or absence of template text
Part, if not setting up template file, the detecting system will enter step automatically into modeling procedure, if existing template file
Rapid S2；
S2 reads template file, positions No.1 circle and central bore region in described image, in No.1 circle region
The central bore region is deducted, remaining area is defined as the lookup region of template；
S3 is justified using the pilot hole in template matches described image and the No.1 in the lookup region, passes through institute
The center position coordinates for stating pilot hole and No.1 circle converse the angle to be measured for carrying reel；
The position relationship that S4 justifies according to bar code and the pilot hole on carrier band reel to be measured and the No.1, described in reckoning
The center position coordinates of bar code simultaneously identify bar code information；
S5 obtains according to the center position coordinates of the pilot hole and the center position coordinates of the bar code, verification step S3
It is described it is to be measured carrier band reel angle information；
S6 selects to terminate or detect again according to the result, it is determined that the angle and bar of the final carrier band reel to be measured
Code information.
The beneficial effect of the disclosure：
1) detecting system quick and precisely, wide adaptation range, stability it is strong, can adaptively carry reel and IMAQ
The relative position of device, detection angles information is fed back, realize the carrier band reel of different guiding hole sites and the high accuracy knowledge of bar code
Not and detect；
2) the lookup region of template and bar code can be reduced to greatest extent, greatly improve detection efficiency；
3) image procossing code is succinct, the positioning of carrier band reel and the inspection of bar code vision that can be applied under various software environment
Survey.
Brief description of the drawings
Accompanying drawing shows the illustrative embodiments of the disclosure, and it is bright be used to explain the principle of the disclosure together,
Which includes these accompanying drawings to provide further understanding of the disclosure, and accompanying drawing includes in this manual and forms this
Part for specification.
Fig. 1 be disclosure embodiment full-automatic identification carrier band reel angle and bar code information detecting system and
Two kinds of carrier band spool structure exemplary plots of method；
Fig. 2 be disclosure embodiment full-automatic identification carrier band reel angle and bar code information detecting system and
The detecting system workflow diagram of method；
Fig. 3 be disclosure embodiment full-automatic identification carrier band reel angle and bar code information detecting system and
The template schematic diagram of method；
Fig. 4 be disclosure embodiment full-automatic identification carrier band reel angle and bar code information detecting system and
The lookup area schematic of the template of method；
Fig. 5 be disclosure embodiment full-automatic identification carrier band reel angle and bar code information detecting system and
The Bar code positioning schematic diagram of method；
Fig. 6 be disclosure embodiment full-automatic identification carrier band reel angle and bar code information detecting system and
The testing result schematic diagram of method.
Embodiment
The disclosure is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining related content, rather than the restriction to the disclosure.It also should be noted that in order to just
The part related to the disclosure is illustrate only in description, accompanying drawing.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the disclosure can phase
Mutually combination.1-6 and describe the disclosure in detail in conjunction with the embodiments below with reference to the accompanying drawings.
The detecting system of full-automatic identification carrier band reel angle and bar code information, including processor, storage device and image
Harvester, image collecting device are used for the image for gathering carrier band reel to be measured, computing device following procedure step：
S1 reads image, judges to whether there is template file in storage device, if not setting up template file, detecting system will
Automatically into modeling procedure, if existing template file, into step S2；
S2 reads template file, positions No.1 circle and central bore region in image, by centre bore in No.1 circle region
Region is deducted, and remaining area is defined as the lookup region of template；
S3 is being searched in region, is justified using the pilot hole in template matches image and No.1, is justified by pilot hole and No.1
Center position coordinates converse it is to be measured carrier band reel angle；
The position relationship that S4 justifies according to the bar code on carrier band reel to be measured with pilot hole and No.1, calculate the centre bit of bar code
Put coordinate and identify bar code information；
S5 is according to the center position coordinates of pilot hole and the center position coordinates of bar code, load to be measured that verification step S3 is obtained
The angle information of belt reel；
S6 selects to terminate or detect again according to the result, it is determined that the angle of final carrier band reel to be measured and bar code letter
Breath.
No.1 justifies the reference center for demarcating carrier band reel, and centre bore and pilot hole are in No.1 circle region.
Step S1 modeling procedure includes：
A establishes the template of pilot hole；
B establishes the template of No.1 circle；
All Template Informations are stored in the detection catalogue of storage device by c.
The angle that reel is carried in step S3 is the folder of the positive direction for the circle center line connecting and X-axis justified by pilot hole and No.1
Convert to obtain in angle.
Verification method in step S5 is：Calculated using the center position coordinates of pilot hole and the center position coordinates of bar code
The angle of carrier band reel to be measured, by the angle changing rate in the angle and step S3, whether the two difference of checking is in error range.
Error range requires to set according to available accuracy.
Step S6 termination condition is：The result is in error range.
The method that carrier band reel angle and bar code information are identified using said detecting system, is comprised the following steps：
S1 is gathered and is read the image of carrier band reel to be measured, judges to whether there is template file in storage device, if not building
Shuttering file, detecting system will be automatically into modeling procedures, if existing template file, into step S2；
S2 reads template file, positions No.1 circle and central bore region in image, by centre bore in No.1 circle region
Region is deducted, and remaining area is defined as the lookup region of template；
S3 is being searched in region, is justified using the pilot hole in template matches image and No.1, is justified by pilot hole and No.1
Center position coordinates converse it is to be measured carrier band reel angle；
The position relationship that S4 justifies according to the bar code on carrier band reel to be measured with pilot hole and No.1, calculate the centre bit of bar code
Put coordinate and identify bar code information；
S5 is according to the center position coordinates of pilot hole and the center position coordinates of bar code, load to be measured that verification step S3 is obtained
The angle information of belt reel；
S6 selects to terminate or detect again according to the result, it is determined that the angle of final carrier band reel to be measured and bar code letter
Breath.
In more detail,
As shown in figure 1, being two kinds of typical carrier band spool structures, Fig. 2 show detecting system identification carrier band reel angle
With the workflow diagram of bar code information.
Carrier band reel image to be measured is gathered first, and reads image, template file is judged whether, if not setting up template
File, detecting system then enter modeling procedure：The guiding hole site of template image is manuallyd locate, establishes pilot hole contour mould,
Positioning result such as Fig. 3 (a), obtain in the same manner shown in No.1 circle contour information model such as Fig. 3 (b), and all templates are protected
It is stored under detection catalogue.
Region using template file coarse localization testing image No.1 circle and centre bore is as shown in Figure 4.Fig. 4 (a) is inspection
The No.1 circle region of examining system coarse localization, Fig. 4 (b) is the central bore region of detecting system coarse localization.Because centre bore exists
The locating dowel for needing to arrange in pairs or groups different in carrier band reel correlation-detection system uses, the image information of division center to detection and localization not
Profit, therefore central bore region is deducted to reduce seeking scope, the lookup region of the template as shown in Fig. 4 (c) is obtained, left figure is directly perceived
Position of the region in whole testing image is searched in reflection, and right figure is the lookup area information determined.It can easily be seen that the detection system
System can farthest reduce while location information integrality is ensured searches region, greatly improves lookup speed, realizes
Real-time data transfer.
The pilot hole and No.1 circle of reel to be measured are matched in region is searched using template file, pilot hole is with No.1 circle
Setting circle, system software extrapolate the circle center line connecting of setting circle and the angle of X-axis positive direction, and converse the angle of carrier band reel
θ1。
Searching in region, system extrapolates rough barcode position such as Fig. 5 according to the position relationship of bar code and setting circle
It is shown, so as to realize the lookup and identification to bar code, obtain bar code information and bar code center position coordinates.Fig. 6 is to detect
System identifies the result schematic diagram of the round centre bore of carrier band reel to be measured, No.1, pilot hole and bar code information using template file.
Detecting system is directed to hole center position coordinates and obtains direction vector with bar code center position coordinates simultaneousAccording toWith X-axis just
The angle value in direction extrapolates the angle, θ of carrier band reel2, by comparing θ1And θ2If the two difference in error range (i.e. |
θ1-θ2| ＜ ε, ε are the error amounts that setting is required according to available accuracy), then angle information detection is correct, can use the two average conduct
Final carrier band reel angle information to be measured.Otherwise, angle obtains failure, can be led to according to actual peripheral hardware and operating accuracy requirement
Cross repeated detection and eliminate the method optimizings such as gross error, finally give the angle and bar code information of carrier band reel to be measured.
The selection of two setting circles is not changeless, such as the aperture at carrier band reel edge can substitute pilot hole work
For a setting circle, the center position coordinates of joint No.1 circle or bar code calculate the angle of carrier band reel.
It will be understood by those of skill in the art that above-mentioned embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- is that the scope of the present disclosure is defined.For those skilled in the art, may be used also on the basis of disclosed above
To make other changes or modification, and these changes or modification are still in the scope of the present disclosure.
Claims (6)
1. a kind of detecting system for identifying carrier band reel angle and bar code information, it is characterised in that including processor, storage device
And image collecting device, described image harvester is used for the image for gathering carrier band reel to be measured, below the computing device
Program step：
S1 reads described image, judges to whether there is template file in the storage device, if not setting up template file, detection system
System will be automatically into modeling procedure, if existing template file, into step S2；
S2 reads template file, positions No.1 circle and central bore region in described image, by institute in No.1 circle region
Central bore region deduction is stated, remaining area is defined as the lookup region of template；
S3 is justified using the pilot hole in the template matches described image and the No.1 in the lookup region, passes through institute
The center position coordinates for stating pilot hole and No.1 circle converse the angle to be measured for carrying reel；
The position relationship that S4 justifies according to the bar code on carrier band reel to be measured with the pilot hole and the No.1, calculates the bar code
Center position coordinates and identify bar code information；
S5 is according to the center position coordinates of the pilot hole and the center position coordinates of the bar code, institute that verification step S3 is obtained
State the angle information of carrier band reel to be measured；
S6 selects to terminate or detect again according to the result, it is determined that the angle and bar code letter of the final carrier band reel to be measured
Breath；
The No.1 justifies the reference center for demarcating carrier band reel, and the centre bore and the pilot hole are justified in the No.1
In region.
2. detecting system as claimed in claim 1, it is characterised in that modeling procedure described in step S1 includes：
A establishes the template of the pilot hole；
B establishes the template of the No.1 circle；
All Template Informations are stored in the detection catalogue of the storage device by c.
3. detecting system as claimed in claim 1 or 2, it is characterised in that the angle that reel is carried described in step S3 is to pass through
The angle of the positive direction of the circle center line connecting and X-axis of the pilot hole and No.1 circle converts to obtain.
4. the detecting system as described in claim any one of 1-3, it is characterised in that verification method described in step S5 is：Utilize
The center position coordinates of the center position coordinates of the pilot hole and the bar code calculate the angle of the carrier band reel to be measured, will
The angle and angle changing rate described in step S3, whether the two difference of checking is in error range.
5. the detecting system as described in claim any one of 1-4, it is characterised in that termination condition described in step S6 is：Checking
As a result in the error range.
6. the method that usage right requires the detecting system identification carrier band reel angle and bar code information described in any one of 1-5, its
It is characterised by, comprises the following steps：
S1 is gathered and is read the image of the carrier band reel to be measured, judges to whether there is template file in the storage device, if
Template file is not set up, the detecting system will be automatically into modeling procedure, if existing template file, into step S2；
S2 reads template file, positions No.1 circle and central bore region in described image, by institute in No.1 circle region
Central bore region deduction is stated, remaining area is defined as the lookup region of template；
S3 is justified using the pilot hole in template matches described image and the No.1, led by described in the lookup region
The center position coordinates that No.1 described in Xiang Konghe is justified converse the angle of the carrier band reel to be measured；
The position relationship that S4 justifies according to the bar code on carrier band reel to be measured with the pilot hole and the No.1, calculates the bar code
Center position coordinates and identify bar code information；
S5 is according to the center position coordinates of the pilot hole and the center position coordinates of the bar code, institute that verification step S3 is obtained
State the angle information of carrier band reel to be measured；
S6 selects to terminate or detect again according to the result, it is determined that the angle and bar code letter of the final carrier band reel to be measured
Breath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174435.8A CN107818582B (en) | 2017-11-22 | 2017-11-22 | Detection system and method for full-automatically identifying carrier tape reel angle and bar code information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174435.8A CN107818582B (en) | 2017-11-22 | 2017-11-22 | Detection system and method for full-automatically identifying carrier tape reel angle and bar code information |
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| Publication Number | Publication Date |
|---|---|
| CN107818582A true CN107818582A (en) | 2018-03-20 |
| CN107818582B CN107818582B (en) | 2020-02-28 |
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|---|---|
| CN107818582B (en) | 2020-02-28 |
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