CN106871786A - A kind of detection method and system for liquid-transfering sucker port - Google Patents
A kind of detection method and system for liquid-transfering sucker port Download PDFInfo
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- CN106871786A CN106871786A CN201710180127.XA CN201710180127A CN106871786A CN 106871786 A CN106871786 A CN 106871786A CN 201710180127 A CN201710180127 A CN 201710180127A CN 106871786 A CN106871786 A CN 106871786A
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 32
- 238000003708 edge detection Methods 0.000 claims description 11
- 238000003384 imaging method Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- -1 polyethylene Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003709 image segmentation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241001270131 Agaricus moelleri Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- 239000004575 stone Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/60—Rotation of whole images or parts thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/50—Image enhancement or restoration using two or more images, e.g. averaging or subtraction
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Abstract
The invention discloses detection method and system for liquid-transfering sucker port, the binaryzation target image of end face is installed by obtaining comprising liquid-transfering sucker；Rotation image is rotated and obtained to the target image；Overlap-add procedure is performed to the installation end face in multiple image to obtain the superimposed image comprising complete chamfering outer；Obtain chamfering outer diameter data in the superimposed image；By judging whether the diameter data in predetermined allowed band installs step and the corresponding systems such as whether chamfer qualified detecting liquid-transfering sucker, solve due to card article root picture registration on the outside of chamfering outer in the installation end face image for having obtained that pipetting head transparent material is caused and installation end, and None- identified obtains complete chamfering outer image and the problem for being detected.
Description
Technical field
The present invention relates to detection technique field, more particularly to a kind of detection method and system for liquid-transfering sucker port.
Background technology
In the experimental study of the every profession and trade such as biology, chemistry, food, medical treatment, liquid-transfering sucker is as pipettor (liquid-transfering gun)
Supporting consumptive material, be always one of frequency of use highest and the maximum experiment consumptive material of consumption in laboratory.Used extensively as a kind of
In the experiment equipment of all kinds of accurate measurement occasions in laboratory, qualified liquid-transfering sucker requirement port impulse- free robustness, suction nozzle surface light
Clean smooth, adhesional wetting property is small, with the error for avoiding liquid from staying outer wall to cause, while the port specification size of liquid-transfering sucker is all needed strictly
By design requirement so that liquid-transfering sucker and pipettor can be connected accurately, it is ensured that the precision and accuracy of imbibition, it is to avoid each trickle
The presence of error in dipping, it is ensured that testing result is accurate and reliable.
But it is the materials such as polyethylene or polytetrafluoroethylene (PTFE) that liquid-transfering sucker at present, is used mostly in experimental study, its production
Shaping needs to experience multiple tracks production stage., it is necessary to will in liquid-transfering sucker tube extrusion and follow-up production process
The tubing of machine-shaping is cut according to certain length, is also needed to carry out tubing chamfering after cutting, is inhaled at bits and burr
Reason.But due to polyethylene or polytetrafluoroethylene (PTFE) etc. for the tubing that raw material are extruded is firmly crisp, simultaneously because being needed in production process
It is processed by all kinds of mechanical and each procedure, current knife is cut or sawing plant equipment cannot be fully achieved and reach accurate
Straight, port is smooth, without the harsh technical requirements such as chip, impulse- free robustness, even tube wall, so as to be difficult to ensure that produce all
Liquid-transfering sucker all meets product design specification (PDS).Therefore matter is carried out to the liquid-transfering sucker product being finally completed by each road production process
Amount has been checked into a cumbersome and essential step.And it is short due to liquid-transfering sucker transparent characteristic its size in itself
It is small, the indexs such as the size and burr of this kind of small structure element such as the port chamfering in liquid-transfering sucker are then never had
What effective detection method, can only be passive by being controlled on the production mould of front end so that current liquid-transfering sucker production
Enterprise can not all form an effectively unified test stone.
The content of the invention
The present invention cannot be to the size of liquid-transfering sucker port chamfering and hair in checking technique for existing liquid-transfering sucker port
The indexs such as thorn carry out the problem of effective detection, there is provided a kind of detection method for liquid-transfering sucker port, specific as follows：
A kind of method of inspection of liquid-transfering sucker, for being tested to the liquid-transfering sucker being positioned on verifying bench, specifically
Including：
Obtain the binaryzation target image that end face is installed comprising liquid-transfering sucker；
Rotation image is rotated and obtained to the target image；
Overlap-add procedure is performed to the installation end face in multiple image to obtain the superimposed image comprising complete chamfering outer；
Obtain chamfering outer diameter data in the superimposed image；
By judge the diameter data whether in predetermined allowed band come detect liquid-transfering sucker install chamfer whether
It is qualified.
Preferably, wherein rotated to the target image and included the step of obtained rotation image：
Rim detection is performed to chamfered inside edge in the target image；The edge detection results are performed with circle fitting to obtain
The center of circle；Rotation at least one times is performed around the center of circle to the target image and obtains corresponding rotation image.
Preferably, wherein performing overlap-add procedure to the installation end face in multiple image to obtain comprising complete chamfering outer
The step of superimposed image, includes：It is superposition point with the center of circle, to the installation in several target images and/or rotation image
End face performs overlap-add procedure to obtain the superimposed image comprising complete chamfering outer.
Preferably, wherein the step of obtaining chamfering outer diameter data in the superimposed image includes：To the stacking chart
Chamfering outer as in performs rim detection；The edge detection results are performed with circle fitting and obtains outer diameter data.
Preferably, shown detection method is also included performing chamfered inside edge in target image rim detection and is fitted by circle
Diametrically data in obtaining.
Preferably, shown detection method also includes：By judging the interior edge and/or each pixel of edgewise described in
Whether whether the distance in the center of circle qualified to detect chamfered inside edge and/or outer burr in predetermined allowed band.
The invention also discloses a kind of detecting system for liquid-transfering sucker port, the liquid-transfering sucker installation end inner side sets
Chamfering is equipped with, including：Image collection module for obtaining the binaryzation target image that end face is installed comprising liquid-transfering sucker；For
The image rotation module of rotation image is rotated and obtained to the target image；For to the installation end face in multiple image
Overlap-add procedure is performed to obtain the imaging importing module of the superimposed image comprising complete chamfering outer；For obtaining the stacking chart
The data detection module of chamfering outer diameter data as in；For by judging the diameter data whether in predetermined allowed band
Whether the qualified judge module of chamfer inside is installed detecting liquid-transfering sucker.
Preferably, described image rotary module includes：For performing rim detection to chamfered inside edge in the target image
Edge detection module；For the edge detection results to be performed with the round fitting module that circle fitting obtains the center of circle；For to institute
State target image and perform the rotary module that rotation at least one times obtains corresponding rotation image around the center of circle.
Preferably, it is superposition point that described image laminating module is additionally operable to the center of circle, to several target images and/
Or the installation end face in rotation image performs overlap-add procedure to obtain the superimposed image comprising complete chamfering outer.
Preferably, the detecting system also includes being used for by judging the chamfered inside edge and/or each pixel of edgewise
Whether whether point is to the center of circle apart from predetermined allowed band detecting chamfered inside edge and/or the qualified burr of outer burr
Detection module.
The present invention obtains following beneficial effect：
The present invention by by carrying out the operations such as rotation superposition to target image, obtaining installation chamfer outer well
Complete image, solve due in the installation end face image for having obtained that pipetting head transparent material is caused chamfering outer with install
End outside card article root picture registration, and None- identified obtains the problem of complete chamfering outer image.And then can be by follow-up
Diameter and burr to chamfered inside edge and outer etc. are completed to the step such as recognition detection of complete chamfering outer in superimposed image
The detection of feature, has quantified examination criteria, substantially increases detection efficiency and accuracy of detection to the liquid-transfering sucker of substantial amounts.
Additional aspect of the invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structure chart of the detection object liquid-transfering sucker of the embodiment of the present invention.
Fig. 2 is the installation end profile that embodiment of the present invention detection object states liquid-transfering sucker.
Fig. 3 is detection method flow chart disclosed in one embodiment of the invention.
Fig. 4 is the flow chart of acquisition rotation image in detection method disclosed in one embodiment of the invention.
Fig. 5 A~5F is the part treatment image in detection process disclosed in one embodiment of the invention.
Fig. 6 is detecting system schematic diagram disclosed in one embodiment of the invention.
Fig. 7 is image rotation module schematic diagram disclosed in one embodiment of the invention.
Fig. 8 is detecting system schematic diagram disclosed in another embodiment of the present invention.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme to the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is this hair
Bright a part of embodiment, rather than whole embodiments.Based on described embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained on the premise of without creative work, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " first ", " second " etc. be only used for describe purpose, without
It is understood that to indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention,
" multiple " is meant that two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；It can be machine
Tool is connected, or electrically connected；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two units
Connection inside part.For the ordinary skill in the art, can as the case may be understand above-mentioned term in this hair
Concrete meaning in bright.
A kind of structure chart of detection object liquid-transfering sucker that accompanying drawing 1 is directed to for the present invention, accompanying drawing 2 is the liquid-transfering sucker 1
Installation end profile, be provided with chamfering 2 on the inside of the installation end being attached with outside pipettor of the liquid-transfering sucker 1,
In chamfering bottom, chamfering outer 22 is provided with multiple card articles 3 to wherein chamfered inside edge 21 in chamfering top, the installation end outside,
Wherein liquid-transfering sucker more than 1 makes using close to transparent material.
As shown in Figure 3, present embodiment discloses a kind of detection method, inhaled for pair liquid relief similar with attached Fig. 1 and 2
Head end mouthful detected, specifically includes following steps：
Step S1, obtains the binaryzation target image that end face is installed comprising liquid-transfering sucker.
In one embodiment, liquid-transfering sucker installation end to be measured is disposed vertically on verifying bench upwards, image collector
Put perpendicular to verifying bench to obtain the installation end face image of liquid-transfering sucker to be measured.Then the installation end face image for obtaining is carried out
Gradation conversion treatment, the image after gradation conversion is processed carries out binary conversion treatment again, with two of the installation end face needed for obtaining
Value target image.In this checkout procedure, because port image is simple, contrast is larger between image and background, and has
More uniform intensity profile, therefore image segmentation can be carried out using the method based on gradation of image characteristic.The present embodiment uses threshold value
When rule carries out image segmentation, pixel of all gray scales directly more than or equal to threshold value T is all judged as belonging to background, is entered as 0,
And the pixel for being less than threshold value T belongs to target, 1 is entered as, wherein threshold value T can carry out selection setting according to sample image debugging.Figure
As Threshold segmentation not only can a large amount of compressed data, reduce memory capacity, and follow-up analysis can be greatly simplified and treatment is walked
Suddenly.
Step S2, is rotated and is obtained rotation image to the target image.
To occur together because liquid-transfering sucker uses transparent material, the installation end face of liquid-transfering sucker and the image of card article root
In the installation end face original image that image collecting device is obtained, and then cause that the part area of chamfering outer in end face original image is installed
Section is by by the card article root truncation outside liquid-transfering sucker installation end.Therefore chamfering in the target image of the binaryzation in follow-up acquisition
Outer will be divided into sectional camber line, directly result in the Circle Parameters such as the edge and diameter of follow-up None- identified outer.This
Need to supplement the interval camber line of chamfering outer in foregoing binaryzation target image and connected complete in embodiment.
In certain embodiments, it may include following step：
Step S21, rim detection is performed to chamfered inside edge in the target image.
Wherein, miscellaneous point identification first can be carried out to the target image of binaryzation and is deleted, to obtain clearly installation end endoporus
Binary image.Specifically can be by the region recognition to connected region area less than setting value, and to deleting；Also can pass through
The profile searched in the binary image simultaneously deletes profile of the area less than certain threshold value to complete to miscellaneous point from profile tree
Deletion, threshold value shown in it can as needed carry out experiment selection.The deletion work of the miscellaneous point to binary image can
Reduce the error of the identification of successive image burr and edge fitting.Using Canny operators to chamfered inside edge in following the present embodiment
Edge extracting is carried out, the discontinuous edge to obtaining carries out closed operation, then carries out Contour extraction to obtain interior along edge.Certainly also may be used
Carried out using other algorithms such as other RobertS operators, Sobel operators, Prewitt operators and Laplaciaft operators interior along side
Edge is extracted.
The edge detection results are performed circle fitting and obtain the center of circle by step S22.
In this embodiment, the parameter of chamfered inside edge is fitted by least square method, i.e., it is interior along central coordinate of circle and endoporus
Radius/diameter.In other embodiment, maximum inscribed circle method or Hough transform loop truss method are also can select come in obtaining
The data such as the center of circle on edge and/or radius.
Step S23, performs rotation at least one times and obtains corresponding rotation image to the target image around the center of circle.
Former target image is replicated, the former target image to replicating rotates according to the center of circle obtained in step S22, completes
The rotation image of acquisition is stored after the rotation of predetermined angle.In further embodiments, it is also possible to need to carry out repeatedly identical or not
Several corresponding rotation images are stored after the rotation of same predetermined angle.The number of revolutions and corresponding each anglec of rotation
Can be chosen and be preset by testing, be presented with by can completely after the how secondary rotation figure superposition obtained after rotation
Continuous chamfering outer is standard；In further embodiments, it is also possible to by the width or many secondary rotation figures that are obtained after rotation
It is standard that can completely is presented continuous chamfering outer after being superimposed with former target image.Certain number of revolutions can be more obtaining more
Many rotation images so that coincidence redundancy can occur in the chamfering outer in superimposed image so that edgewise can become apparent from
Completely.
Step S3, performs overlap-add procedure to obtain the superposition comprising complete chamfering outer to the installation end face in multiple image
Image.
Treatment is overlapped to the installation end face in several rotation images of acquisition in step S2, the reference of superposition is with each quilt
Installation end face inner bore in the image of superposition can coincide together and be defined.In certain embodiments, can be directly with abovementioned steps
The chamfered inside edge center of circle of acquisition is superposition point, is respectively applied image and is overlapped by superposition reference point of the center of circle, can
It is quick to be precisely accomplished the overlap-add procedure for installing end face, to obtain the superimposed image comprising complete chamfering outer.In other implementations
In example, can also choose and target image is overlapped with rotation image, to obtain the superimposed image comprising complete chamfering outer.
Step S4, obtains chamfering outer diameter data in the superimposed image.
The chamfering outer that the contact of the superimposed image to being obtained in step S3 is complete carries out image execution rim detection, to holding
The result obtained after row rim detection carries out justifying diameter data of the fitting to obtain chamfering outer, in some other embodiment,
Also the home position of chamfering outer can in the lump be obtained.But during general chamfer design thereon under along each several part distance be identical, therefore
Its center of circle is theoretically same, therefore only can obtain in chamfering along the center of circle in the present embodiment.Edge in specific chamfering in step
Rim detection is similar with S22 with step S21 with circle approximating method, does not just repeat to discuss.
Step S5, by judging whether the diameter data falls detecting liquid-transfering sucker installation end in predetermined allowed band
Whether angle is qualified.
The outer diameter data of acquisition is compared with default diameter allowed band, if outer diametrically in allowed band
Outside, then can determine whether that installing chamfer outer for the liquid-transfering sucker is not inconsistent standardization, i.e., it is unqualified.In some other embodiment
In, can also increase the judgement to installation end chamfered inside edge diameter, examined by the edge in above some embodiments to chamfered inside edge
The interior diametrically data obtained after survey and circle fitting, to diametrically data are entered with default interior diametrically allowed band in acquisition
Row compares, if interior diametrically outside allowed band, can determine whether not being inconsistent standardization for the liquid-transfering sucker installation end chamfered inside edge.
Above-mentioned outer and the diameter allowed band on interior edge are predetermined before detection according to examination criteria.
In some other embodiment, the detection method also includes step：By judging the interior edge and/or outer side
Whether each pixel of edge in predetermined allowed band detects whether are chamfered inside edge and/or outer burr to the distance in the center of circle
It is qualified, specifically include：
S51, obtains interior edge and/or edgewise pixel actual coordinate；
Edge pixel actual coordinate is acquired successively, obtains edge pixel point actual coordinate.
S52, actual size D, D=| L-R | the * P, wherein L for calculating burrs on edges are the edge pixel point actual coordinate
To the distance of central coordinate of circle, P is the actual size of pixel in this image, and R is obtained after carrying out nonlinear fitting for the edge
Radius of circle.
In the present embodiment in calculating along and/or edgewise each pixel real coordinate position to wherein inner port edge
The distance of correspondence central coordinate of circle, wherein R is the interior edge and/or edgewise carry out the interior edge that is obtained after nonlinear fitting and/
Or edgewise correspondence radius of circle.The actual size P of pixel is to compare peer by measurement standard part before testing in this image
The actual size value that method is recorded after being detected to image collecting device.
S53, judges that whether actual size D, more than the threshold value one for setting, the liquid-transfering sucker burr is judged not if being more than
It is up to standard.The threshold value one for wherein setting be liquid-transfering sucker burr it is up to standard in the case of allow burr full-size.
Method disclosed in the present embodiment obtains installation well by carrying out the operations such as rotation superposition to target image
The complete image of chamfer outer, solves due to chamfering in the installation end face image for having obtained that pipetting head transparent material is caused
Card article root picture registration on the outside of outer and installation end, and None- identified obtains the problem of complete chamfering outer image.And then
Can be by subsequently being completed to the step such as recognition detection of complete chamfering outer in superimposed image to the straight of chamfered inside edge and outer
The detection of the feature such as footpath and burr, has quantified examination criteria, substantially increases the precision and detection efficiency of liquid-transfering sucker detection.
Accompanying drawing 5A~5F is the parts of images in the detection process in a preferred embodiment, specifically to the treatment side of each image
Method is no longer specifically described here in the aforementioned embodiment to express.Accompanying drawing 5A is to obtain by gray scale and binaryzation
End face binary image is installed Deng the liquid-transfering sucker to be measured after treatment.Accompanying drawing 5B carries out two obtained after inversion operation to accompanying drawing 5A
Value image.Accompanying drawing 5C be in carrying out obtaining after chamfered inside edge identification to binary image along the center of circle for symmetric points carry out it is square
The binary image obtained after cutting, it is seen that now outer is a section circular arc, cutting treatment is intended merely to successive image superposition
Convenience, can also carry out other treatment or do not process.To the image with carry out respectively 15 degree, 50 degree rotation after obtain corresponding rotation
Turn image graph 5D and Fig. 5 E.Accompanying drawing 5F is the superimposed image obtained after being overlapped to Fig. 5 C, 5D and 5E, wherein outside visible chamfering
Along complete continuous round to become one.It is follow-up that the treatment such as miscellaneous point deletion, filling, outward flange identification fitting are carried out to the outer
Can obtain afterwards it is outer diametrically with the parameter such as burr size, specific steps refer to preceding method embodiment.
Accompanying drawing 6 is disclosed by the invention one for being detected to the liquid-transfering sucker port described in previous embodiment
Detecting system, including：Image collection module 401 for obtaining the binaryzation target image that end face is installed comprising liquid-transfering sucker；
For being rotated to the target image and obtained rotation image to image rotation module 402；For in multiple image
End face is installed to perform overlap-add procedure to obtain the imaging importing module 403 of the superimposed image comprising complete chamfering outer；For obtaining
Take the data detection module 404 of chamfering outer diameter data in the superimposed image；For by judging that the diameter data is
No whether qualified to detect liquid-transfering sucker installation chamfer judge module 405 in predetermined allowed band.
As shown in Figure 7, in certain embodiments, described image rotary module 402 includes：For to the target image
Middle chamfered inside edge performs the edge detection module 4021 of rim detection；Obtained for the edge detection results to be performed with circle fitting
The round fitting module 4022 in the center of circle；Obtain corresponding for performing rotation at least one times around the center of circle to the target image
Rotate the rotary module 4023 of image.
In certain embodiments, it is superposition point that described image laminating module 403 is additionally operable to the center of circle, to several
Installation end face in target image and/or rotation image performs overlap-add procedure to obtain the stacking chart comprising complete chamfering outer
Picture.
As shown in Figure 8, in further embodiments, the data detection module 404, is additionally operable to obtain to described image
The target image obtained in acquisition module 401 is carried out in chamfering along the operation such as limb recognition and circle fitting to obtain edge in chamfering
The data such as diameter data and/or the center of circle.The judge module 405 is also additionally operable to be obtained by the data detection module 404
Chamfering on diametrically data judged whether to be detected in predetermined allowed band that liquid-transfering sucker installs whether chamfer closes
Lattice.
In further embodiments, the detecting system also includes burr detection module, for by judging the chamfering
Interior edge and/or each pixel of edgewise to center of circle distance whether in predetermined allowed band come detect chamfered inside edge and/
Or whether outer burr is qualified.
For convenience of description, it is divided into various unit modules with function during description apparatus above and system to describe respectively.When
So, the function of each unit can be realized in same or multiple softwares and/or hardware when the present invention is implemented.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.For device embodiment
For, because it is substantially similar to embodiment of the method, so describe fairly simple, referring to the portion of embodiment of the method in place of correlation
Defend oneself bright.System embodiment described above is only schematical, wherein the list illustrated as separating component
Unit can be or may not be physically separate, and the part shown as unit can be or may not be physics
Unit, you can with positioned at a place, or can also be distributed on multiple NEs.Can select according to the actual needs
Some or all of module therein realizes the purpose of this embodiment scheme.Those of ordinary skill in the art are not paying creation
Property work in the case of, you can to understand and implement.
Each embodiment in this specification can take full hardware embodiment, full software implementation (including firmware, resident soft
Part, microcode etc.) or be combined with software and hardware aspect embodiment form, its this paper can all be collectively referred to as " electricity
Road ", " module " or " system ".Additionally, the embodiment of subject content can take implementation in any tangible expression medium in the present invention
In computer program product form, be implemented with the tangible expression medium computer can be used program code.Described reality
Applying example can carry as the computer program product of the computer readable storage devices that may include to be stored thereon with instruction or software
For, these instructions can be used to be programmed computer system (or other electronic equipments) with according to embodiment come implementation procedure one
Whether no matter one be described herein, because not enumerating every kind of it is conceivable that the variant for arriving in wood text.Computer-readable storage sets
For including for storing the readable instruction of computing device (for example, computer, processor etc.) (for example, software, treatment application)
Any mechanism.Computer-readable medium may include but be not limited to magnetic storage medium (for example, floppy disk)；Optical storage media (for example,
CD-ROM)；Magnetic-optical storage medium；Read-only storage (ROM)；Random access memory (RAM)；Erasable and programable memory
(for example, EPROM and EEPROM)；Flash memory；Or it is suitable to store the other kinds of medium of e-command.And, each embodiment can
The transmitting signal (for example, carrier wave, infrared signal, data signal etc.) or wired of electricity consumption, light, sound or other forms, it is wireless or its
His communication media is realized.
Computer program code for performing the operation of embodiment of the method can appointing with one or more programming language
What combines to write, including Object-Oriented Programming Language (such as Java, Smalltalk, C++ or similar language) and routine
Procedural (such as " C " programming language or similar programming language).The program code can fully in the computer of user
Above, partly on the computer of user, as self-support software kit, partly on the computer of user and partly remote
Performed on journey computer or fully on remote computer or server.In latter scenario, remote computer can pass through
Any kind of network is connected to user's one by one including LAN (LAN), Personal Area Network (PAN) or wide area network (WAN) one by one
Computer, or can (for example, using ISP pass through internet) be made to the connection of outer computer.
Although each embodiment is described with reference to various realizations and utilizing, it will be understood that, these embodiments are explanations
Property and the scope of inventive subject matter is not limited to these embodiments.In general, being used for gate as described herein
The technology of master control borad can be realized with the facility for meeting any one or more hardware systems.Many variants, change, add
Plus and improve all be possible.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (10)
1. a kind of detection method for liquid-transfering sucker port, is provided with chamfering, its feature on the inside of the liquid-transfering sucker installation end
It is, including：
Obtain the binaryzation target image that end face is installed comprising liquid-transfering sucker；
Rotation image is rotated and obtained to the target image；
Overlap-add procedure is performed to the installation end face in multiple image to obtain the superimposed image comprising complete chamfering outer；
Obtain chamfering outer diameter data in the superimposed image；
By judge the diameter data whether in predetermined allowed band come detect liquid-transfering sucker install chamfer it is whether qualified.
2. detection method according to claim 1, it is characterised in that wherein the target image is rotated and obtained
The step of rotation image, includes：
Rim detection is performed to chamfered inside edge in the target image；
The edge detection results are performed with circle fitting and obtains the center of circle；
Rotation at least one times is performed around the center of circle to the target image and obtains corresponding rotation image.
3. detection method according to claim 2, it is characterised in that wherein performed to the installation end face in multiple image folded
Plus treatment to obtain the superimposed image comprising complete chamfering outer the step of include：
It is superposition point with the center of circle, the installation end face in several target images and/or rotation image is performed at superposition
Manage to obtain the superimposed image comprising complete chamfering outer.
4. detection method according to claim 3, it is characterised in that chamfering outer is straight in wherein obtaining the superimposed image
The step of footpath data, includes：
Rim detection is performed to the chamfering outer in the superimposed image；
The edge detection results are performed with circle fitting and obtains outer diameter data.
5. detection method according to claim 4, it is characterised in that also include：
Rim detection is performed to chamfered inside edge in target image and diametrically data are fitted in acquisition by circle.
6. according to any described detection methods of claim 1-5, it is characterised in that also include：
By judging the interior edge and/or each pixel of edgewise to the distance in the center of circle whether in predetermined allowed band
It is whether qualified to detect chamfered inside edge and/or outer burr.
7. a kind of detecting system for liquid-transfering sucker port, is provided with chamfering, its feature on the inside of the liquid-transfering sucker installation end
It is, including：
Image collection module, the binaryzation target image of end face is installed for obtaining comprising liquid-transfering sucker；
Image rotation module, for being rotated to the target image and is obtained rotation image；
Imaging importing module, obtains comprising complete chamfering outer for performing overlap-add procedure to the installation end face in multiple image
Superimposed image；
Data detection module, for obtaining chamfering outer diameter data in the superimposed image；
Judge module, for by judging whether the diameter data in predetermined allowed band detects liquid-transfering sucker installation end
Whether chamfering is qualified.
8. detecting system according to claim 7, it is characterised in that described image rotary module includes：
Edge detection module, for performing rim detection to chamfered inside edge in the target image；
Circle fitting module, the center of circle is obtained for the edge detection results to be performed with circle fitting；
Rotary module, corresponding rotation figure is obtained for performing rotation at least one times around the center of circle to the target image
Picture.
9. detecting system according to claim 8, it is characterised in that described image laminating module is additionally operable to：
It is superposition point with the center of circle, the installation end face in several target images and/or rotation image is performed at superposition
Manage to obtain the superimposed image comprising complete chamfering outer.
10. according to any described detecting systems of claim 8-9, it is characterised in that also include：
Burr detection module, for by judging the chamfered inside edge and/or each pixel of edgewise to the center of circle distance
It is whether whether qualified to detect chamfered inside edge and/or outer burr in predetermined allowed band.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141232A (en) * | 2018-08-07 | 2019-01-04 | 常州好迪机械有限公司 | A kind of circle plate casting online test method based on machine vision |
| CN109636858A (en) * | 2018-10-30 | 2019-04-16 | 广州超音速自动化科技股份有限公司 | Lithium battery is coated with Image Acquisition scaling method, system, equipment and storage medium |
| CN110689492A (en) * | 2019-09-17 | 2020-01-14 | 珠海天燕科技有限公司 | Image edge smoothing method and device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309486A (en) * | 1992-11-12 | 1994-05-03 | Westinghouse Electric Corp. | Non-contact flaw detection for cylindrical nuclear fuel pellets |
| CN102291531A (en) * | 2010-06-17 | 2011-12-21 | 索尼公司 | Image processing apparatus, image processing method, and program |
| CN103218809A (en) * | 2013-03-27 | 2013-07-24 | 常州工学院 | Image measuring method of pearl length parameter |
| CN104933740A (en) * | 2015-05-22 | 2015-09-23 | 西安理工大学 | Certificate digital hole authenticity identification method |
-
2017
- 2017-03-23 CN CN201710180127.XA patent/CN106871786A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5309486A (en) * | 1992-11-12 | 1994-05-03 | Westinghouse Electric Corp. | Non-contact flaw detection for cylindrical nuclear fuel pellets |
| CN102291531A (en) * | 2010-06-17 | 2011-12-21 | 索尼公司 | Image processing apparatus, image processing method, and program |
| CN103218809A (en) * | 2013-03-27 | 2013-07-24 | 常州工学院 | Image measuring method of pearl length parameter |
| CN104933740A (en) * | 2015-05-22 | 2015-09-23 | 西安理工大学 | Certificate digital hole authenticity identification method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141232A (en) * | 2018-08-07 | 2019-01-04 | 常州好迪机械有限公司 | A kind of circle plate casting online test method based on machine vision |
| CN109636858A (en) * | 2018-10-30 | 2019-04-16 | 广州超音速自动化科技股份有限公司 | Lithium battery is coated with Image Acquisition scaling method, system, equipment and storage medium |
| CN109636858B (en) * | 2018-10-30 | 2024-01-12 | 超音速人工智能科技股份有限公司 | Lithium battery coating image acquisition calibration method, system, equipment and storage medium |
| CN110689492A (en) * | 2019-09-17 | 2020-01-14 | 珠海天燕科技有限公司 | Image edge smoothing method and device |
| CN110689492B (en) * | 2019-09-17 | 2022-02-11 | 珠海天燕科技有限公司 | Image edge smoothing method and device |
| CN113592775A (en) * | 2021-06-29 | 2021-11-02 | 深圳市锦瑞生物科技有限公司 | Sucker image processing method and device and sucker image processing equipment |
| CN113592775B (en) * | 2021-06-29 | 2023-09-12 | 深圳市锦瑞生物科技股份有限公司 | Suction head image processing method and device and suction head image processing equipment |
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