CN106383131A - Visual detection method, device and system for printed matter - Google Patents
Visual detection method, device and system for printed matter Download PDFInfo
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- CN106383131A CN106383131A CN201610836919.3A CN201610836919A CN106383131A CN 106383131 A CN106383131 A CN 106383131A CN 201610836919 A CN201610836919 A CN 201610836919A CN 106383131 A CN106383131 A CN 106383131A
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- 238000001514 detection method Methods 0.000 title claims abstract description 86
- 230000000007 visual effect Effects 0.000 title abstract description 5
- 238000012360 testing method Methods 0.000 claims description 90
- 238000007689 inspection Methods 0.000 claims description 23
- 238000012634 optical imaging Methods 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000007639 printing Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013439 planning Methods 0.000 description 2
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- 238000003908 quality control method Methods 0.000 description 2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95607—Inspecting patterns on the surface of objects using a comparative method
- G01N2021/95615—Inspecting patterns on the surface of objects using a comparative method with stored comparision signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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Abstract
The invention provides a visual detection method for a printed matter. The method comprises the following steps: retrieving in a standard printed matter template library according to a material code corresponding to a printed matter to be detected, and judging whether a standard printed matter template corresponding to the material code exists; when the standard printed matter template corresponding to the material code exists, acquiring template setup time of the standard printed matter template; acquiring issuing time of a corresponding digitalized drawing in a second external system according to the material code; comparing the setup time with the issuing time, and judging whether the standard printed matter template needs to be updated; when the judgment result shows that the standard printed matter template does not need to be updated, acquiring an image of the printed matter to be detected; and performing visual detection on the image of the printed matter to be detected, and comparing with the standard printed matter template. The invention also provides a visual detection system for a printed matter.
Description
Technical field
The present invention relates to visible detection method and system, more particularly to leaflet visible detection method, device and system.
Background technology
For ensureing quality, still need to before use carry out Incoming Quality Control from the leaflet of printing house's delivery, defective work is entered
Row goods return and replacement are processed.Take a sample test and cannot meet prescription, and rely on human eye range estimation that leaflet is checked one by one and easily cause
Coroner's visual fatigue, efficiency is low, and recall rate is low.
Content of the invention
Based on this it is necessary to for the low problem of leaflet Incoming Quality Control efficiency, provide a kind of leaflet vision-based detection side
Method, device and system.
A kind of leaflet visible detection method, including：Printed in standard according to COM code corresponding with test print product
Retrieve in product template base, judge that standard leaflet template corresponding with this COM code whether there is；Compile with this material when existing
During the corresponding standard leaflet template of code, obtain the template setup time of this standard leaflet template；Obtained according to this COM code
Take corresponding digitized drawing in the second external system issues the time；This template setup time is issued the time with this compared
Relatively, judge this standard leaflet template the need of renewal；When this standard leaflet template does not need to update, obtain print to be measured
Brush product image；And vision-based detection is carried out to this test print product image, and contrasted with this standard leaflet template.
Wherein in an embodiment, further include：Obtain the identification information of test print product；According to this identification information
Obtain corresponding described COM code in the first external system.
Wherein in an embodiment, further include：When this standard leaflet template includes standard character region,
Character recognition region is set up, this character recognition region is corresponding with this standard character regional location in this test print product image, and
Character recognition is carried out to this character recognition region, is identified character string；
Corresponding standard characters group in 3rd external system is obtained according to this COM code；And
This standard characters group is retrieved, when retrieving this identification string, judges this character recognition region for closing
Lattice region.
Wherein in an embodiment, described vision-based detection is carried out to this test print product image, and with this standard printing
In the step that product template is contrasted, do not contrasted between this standard character region and this character recognition region.
Wherein in an embodiment, further include, when judging that this standard leaflet template does not exist, output is not deposited
In standard leaflet template information.
Wherein in an embodiment, further include, when judging that this standard leaflet template needs to update, output is more
New standard leaflet template information.
Wherein in an embodiment, further include at and in standard leaflet template base, set up this standard leaflet template
Step, including：Acquisition standard leaflet image, template setup time and COM code；Obtain in this standard leaflet template
Positioned at least two eigenvalues of diverse location, this at least two eigenvalue is used for described test print product image calibration；?
This standard leaflet image, template setup time, COM code and this at least two spy is preserved in this standard leaflet template base
Value indicative, and set up corresponding relation.
Wherein in an embodiment, further include：When by described contrast think this test print product image with should
When standard leaflet template is incomplete same, export all differences point information, the qualified instruction or unqualified of receiving user's input
Instruction；When receiving described unqualified instruction, export corresponding unqualified information to this first external system.
Wherein in an embodiment, described vision-based detection is carried out to this test print product image, and with this standard printing
The step that product template is contrasted includes：To the content between this test print product image and this standard leaflet template, color,
Whether at least one in bar code code system and size is identical to be contrasted.
A kind of leaflet vision inspection apparatus, described system includes：Standard leaflet template retrieve module, according to be measured
The corresponding COM code of leaflet is retrieved in standard leaflet template base, judges standard leaflet corresponding with this COM code
Template whether there is；Time-obtaining module, for obtaining this standard leaflet mould in the presence of judging this standard leaflet template
The template setup time of plate, and when issuing of corresponding digitized drawing in the second external system is obtained according to this COM code
Between；Comparison module, is compared for this this template setup time issued the time, whether judges this standard leaflet template
It is to need to update；Leaflet image collection module, for obtaining this and treating when judging that this standard leaflet template does not need and updates
Survey the image of leaflet；Vision-based detection module, for vision-based detection is carried out to the image of this test print product, and with this standard print
Brush product template is contrasted.
Wherein in an embodiment, further include：Identification information acquisition module, for obtaining the knowledge of test print product
Other information；And COM code acquisition module, compile for corresponding material in the first external system is obtained according to this identification information
Code.
Wherein in an embodiment, further include character recognition module, for including when this standard leaflet template
During standard character region, in this test print product image, set up character recognition region, this character recognition region and this standard word
Symbol regional location corresponds to, and carries out character recognition to this character recognition region, is identified character string, is obtained according to this COM code
Take corresponding standard characters group in the 3rd external system, and retrieve in this standard characters group, when retrieving this identification
During character string, judge this character recognition region for qualified region.
Wherein in an embodiment, this vision-based detection module is additionally operable to carry out vision inspection to this standard leaflet image
Survey, obtain this standard leaflet template, this leaflet vision detection system further includes that template sets up module, in standard
This standard leaflet template is set up, this template is set up module and included in leaflet template base：Template Information acquisition module, is used for obtaining
Take standard leaflet image, template setup time and COM code；Characteristic value acquisition module, for obtaining this standard leaflet mould
It is located at least two eigenvalues of diverse location, this at least two eigenvalue is used for described test print product image calibration in plate
Accurate.
Wherein in an embodiment, further include：I/O module, thinks this print to be measured for working as by described contrast
When brush product image and this standard leaflet template are incomplete same, export all differences point information, receiving user's input qualified
Instruction or unqualified instruction, and when receiving described unqualified instruction, do not conform to the output of this first external system is corresponding
Lattice information.
Wherein in an embodiment, this vision-based detection module is used for this test print product image and this standard leaflet
Whether at least one in the content between template, color, bar code code system and size is identical to be contrasted.
Wherein in an embodiment, further include memory module and enquiry module, this memory module includes：Template
Storehouse, for preserving this standard leaflet template, template setup time and COM code；And detection history memory element, it is used for
Preserve detection sum, passing number, number of non-compliances, underproof test print product image and detection date；This enquiry module is used for
Standard leaflet template in described template base, template setup time and COM code are inquired about, and for described inspection
Survey the detection sum in history storage unit, passing number, number of non-compliances, underproof test print product image and detection date to enter
Row inquiry.
A kind of leaflet vision detection system, including：Optical imaging device, for this test print product on conveyer belt
Carry out optical imagery；Vision inspection apparatus, for basis COM code corresponding with test print product in standard leaflet template
Retrieve in storehouse, judge that standard leaflet template corresponding with this COM code whether there is, when judging this standard leaflet template
In the presence of, obtain the template setup time of this standard leaflet template, it is right in the second external system to obtain according to this COM code
The digitized drawing answered issue the time, this template setup time is issued the time with this and is compared, judge that this standard is printed
Product template, the need of renewal, when judging that this standard leaflet template does not need to update, obtains test print product image, and
Vision-based detection is carried out to this test print product image, and is contrasted with this standard leaflet template.
Wherein in an embodiment, further include identification information input equipment, described vision inspection apparatus are from this knowledge
Other information input equipment obtains the identification information of this test print product, and according to right in this identification information acquisition the first external system
The described COM code answered.
Wherein in an embodiment, further include human-computer interaction device, when judging that this standard leaflet template do not deposit
When output there is not standard leaflet template information, when judge this standard leaflet template need update when output renewal
Standard leaflet template information, when thinking this test print product image and this standard leaflet template not by described contrast
When identical, export all differences point information, and the qualified instruction of receiving user's input or unqualified instruction.
Above-mentioned leaflet visible detection method, device and system are detected to leaflet to be measured by visual identity module
And compare with standard leaflet template, it is capable of leaflet automatic detection, accuracy of detection is high, detection time is short, wrong report
Rate is low.By time-obtaining module and comparison module, obtain the setup time of standard leaflet template, and with digitized drawing
The time of issuing compares, and is capable of deciding whether to need to update, thus there is digitized drawing update prompt facility, can be effectively anti-
Only old template misuse.
Brief description
Fig. 1 is the flow chart of embodiment of the present invention leaflet visible detection method；
Fig. 2 is the internal structure schematic perspective view of embodiment of the present invention leaflet vision detection system；
Fig. 3 is the internal structure schematic top plan view of embodiment of the present invention leaflet vision detection system.
Fig. 4 is the module connection diagram of embodiment of the present invention leaflet vision inspection apparatus；
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples pair
Leaflet visible detection method of the present invention, apparatus and system are further elaborated.It should be appreciated that tool described herein
Body embodiment only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, the embodiment of the present invention provides a kind of leaflet visible detection method, including：
S100, retrieves in standard leaflet template base according to COM code corresponding with test print product, judges and is somebody's turn to do
COM code corresponding standard leaflet template whether there is.This COM code is a certain leaflet in the first external system
Identification string, can be string number, letter or number with letter combine.This standard leaflet template is for treating to this
Survey the whether qualified foundation being judged of leaflet, including standard leaflet image it is possible to further include that at least two is special
Value indicative.This standard leaflet template is stored in advance in the template base of this vision inspection apparatus, can also store in this template base
There is the one-to-one relationship of this standard leaflet template and this COM code, make to obtain this mark by retrieving this COM code
Quasi- leaflet template.For example, this standard leaflet template can be named with described COM code, and described retrieval is compiled with this material
Code inquires about the filename of this standard leaflet template.
S200, when there is this standard leaflet template, obtains the template setup time of this standard leaflet template.Example
As when retrieving the standard leaflet template with the name of this COM code, you can judge that this standard leaflet template exists.Should
Template setup time can be the creation time of this template, or last modification time.This template setup time is stored in this mould
In plate storehouse.
S300, according to this COM code obtain the second external system in corresponding digitized drawing issue the time.This
Two external systems can be data base, can be for example enterprise picture and text system in data base.Deposit in this second external system
Contain for print this test print product digitized drawing, this digitized drawing issue time and this COM code and this number
The one-to-one relationship of word drawing.For example, this digitized drawing can be named with this COM code.This second external system energy
Reach the COM code corresponding digitized drawing of output according to input issues the time.This digitized drawing can be described standard
Leaflet image or standard leaflet image described in Software Create can be passed through.This issues the time can be this digitized drawing
Last modification time or artificial setting time, such as examination ＆ verification by the time or time of being committed to printing house, storage
In this second external system.
S400, this template setup time is issued the time with this and is compared, judge whether this standard leaflet template needs
Update.When this digitized drawing is when issuing the template setup time that the time is later than this standard leaflet template, judge this mark
Quasi- leaflet template need update, when early than when, judge this standard leaflet template do not need update.
S500, when judging that this standard leaflet template does not need to update, obtains test print product image.Specifically can pass through
Industrial camera is taken pictures to this test print product.In a preferred embodiment, also can further include to by image acquisition
Card or software are processed to the photo of leaflet to be measured, for example smoothing denoising or raising contrast etc..
S600, carries out vision-based detection to this test print product image, and is contrasted with this standard leaflet template.This is right
Ratio can be in the content between this test print product image and this standard leaflet template, color, bar code code system and size
At least one contrasted, judge whether identical, thus realizing to the multiword (or pattern, symbol etc.) of leaflet to be measured, few
Word (or pattern, symbol etc.), porous, less porous, paste word (or pattern, symbol etc.), wrongly written character (or pattern, symbol etc.), word (or figure
Case, symbol etc.) lack stroke, broken string, pattern disappearance, color mistake, dimensional error, bar code and two-dimensional bar code code system mistake
The problems such as mistake, scans content mistake, bar code content and character are not inconsistent realizes detection.
Refer to Fig. 2 to Fig. 3, this leaflet visible detection method is carried out in leaflet vision detection system 1.This printing
Product vision detection system 1 includes vision inspection apparatus 12, conveyer belt 18, optical imaging device 10 and human-computer interaction device 16.Should
Start stop apparatus can be provided with conveyer belt 18, control this conveyer belt that test print product are sent under this optical imaging device 10
Side.This optical imaging device 10 is used for carrying out optical imagery to this test print product on conveyer belt 18, and test print product
Image is sent to this vision inspection apparatus 12.In addition, this test print product image also can transmit to this human-computer interaction device 16 in fact
When display.
Wherein in an embodiment, this leaflet visible detection method further includes in standard leaflet template base
The step setting up this standard leaflet template, including：
(1) standard leaflet image, template setup time and COM code, standard leaflet when this template is set up are obtained
Image can by industrial camera from standard leaflet direct access it is also possible to from this second external system obtain；
(2) at least two eigenvalues being located at diverse location in this standard leaflet template, this at least two feature are obtained
It is worth for by described test print product image calibration；And
(3) preserve in this standard leaflet template base this standard leaflet image, template setup time, COM code and
This at least two eigenvalue, and set up corresponding relation.
This feature value is corresponding with the print content of any one position on this standard leaflet, and this feature value is by artificially selecting
Take, preferably can represent the word of this leaflet or figure (such as：Logo, parameter, title etc.).The quantity of this feature value is more preferably
For three, there is between the eigenvalue of diverse location fixing relative position.In follow-up step S600, this vision is examined
Survey device according to the relative position between this feature value, this test print product image can be calibrated.
Wherein in an embodiment, this leaflet visible detection method further includes：Obtain the knowledge of test print product
Other information；And corresponding described COM code in the first external system is obtained according to this identification information.
This leaflet vision detection system 1 can further include identification information input equipment 14.The input of this identification information sets
Standby 14 can be code reader, and for inputting the identification information of this test print product, this identification information can be one batch of identification
The substantially or entirely identification information of identical test print product.This external system, such as manufacturing enterprise's production process execution management system
This identification information that is stored with system (MES) system and the corresponding relation of logistics coding, can be according to the identification information output of input
Corresponding COM code.
Wherein in an embodiment, this leaflet visible detection method further includes to work as and judges this standard leaflet mould
When plate does not exist, there is not standard leaflet template information in output.Specifically can be by defeated in human-computer interaction device 16
Go out equipment, such as display exports this information.
In one of embodiment of this step S400, this leaflet visible detection method further includes should when judgement
When standard leaflet template needs to update, export more new standard leaflet template information.
This test print product can be dosing print product, that is, just the same with a batch of multiple test print product,
In addition can also be variable leaflet, that is, have in local location with a batch of multiple test print product and be mutually distinguishable
Variable information, this variable information is usually character information, for example, may include serial number or date.Set up the printing of this standard described
In the step of product template, the step obtaining standard character identification region can be further included；And in this standard leaflet template
This standard leaflet image, template setup time, COM code, this at least two eigenvalue and this character recognition area is preserved in storehouse
Domain, and the step setting up corresponding relation.Then this leaflet visible detection method can further include：
(1) when this standard leaflet template includes standard character region, in this test print product image, set up character
Identification region, this character recognition region is corresponding with this standard character regional location, and this character recognition region is entered with line character knowledge
Not, it is identified character string；
(2) corresponding standard character in the 3rd external system (as enterprise resource planning) is obtained according to this COM code
String group；And
(3) retrieve in this standard characters group, when retrieving this identification string, judge that this character recognition region is
Qualified region.
Described 3rd external system, such as enterprise resource planning, in be stored with standard characters group and this COM code
One-to-one relationship.3rd external system can export this standard characters group according to the COM code of input.This standard
Character string group includes a series of character strings, for example, can be continuous serial number or date.By in this standard characters group
Retrieval, can determine whether whether this identification string exists, if it is present this identification string is described in this standard characters group
Errorless, judge this identification region for qualified region；If it does not exist, then illustrating that this identification string is wrong, judge this cog region
Domain is unqualified region.This leaflet visible detection method can further include to export this character string identification region judged result
Step.
In addition, vision-based detection is carried out to this test print product image described, and with this standard leaflet template carry out right
In step S600 of ratio, do not contrasted between this standard character region and this character recognition region, only by this standard leaflet
Region outside this character recognition region in region outside this standard character region in template and this test print product image it
Between contrasted.
Wherein in an embodiment, leaflet visible detection method further includes：
(1) when thinking that this test print product image and this standard leaflet template are incomplete same by described contrast,
Output all differences point information, the qualified instruction of receiving user's input or unqualified instruction；And
(2) when receiving described unqualified instruction, export corresponding unqualified information to this first external system.
One of ordinary skill in the art will appreciate that realizing all or part of flow process in above-described embodiment method, it is permissible
Instruct related hardware to complete by computer program, described program can be stored in a computer read/write memory medium
In, this program is upon execution, it may include as the flow process of the embodiment of above-mentioned each method.Wherein, described storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
Refer to Fig. 4, the present invention also provides a kind of leaflet vision inspection apparatus, including：Standard leaflet template is retrieved
Module 100, for being retrieved in standard leaflet template base according to COM code corresponding with test print product, judges and this thing
Material encodes corresponding standard leaflet template and whether there is；Time-obtaining module 200, judges this standard leaflet template for working as
In the presence of obtain the template setup time of this standard leaflet template, and obtained according to this COM code right in the second external system
The digitized drawing answered issue the time；Comparison module 300, is compared for this this template setup time issued the time
Relatively, judge whether this standard leaflet template is to need to update；Leaflet image collection module 400, judges this standard for working as
Leaflet template does not need to obtain the image of this test print product when updating；Vision-based detection module 500, for this test print
The image of product carries out vision-based detection, and is contrasted with this standard leaflet template.
Wherein in an embodiment, further include：Identification information acquisition module 110, for obtaining test print product
Identification information；And COM code acquisition module 120, corresponding in the first external system for being obtained according to this identification information
COM code.This identification information acquisition module 110 can be connected with identification information input equipment 14, the knowledge of this test print product
Other information can obtain from identification information input equipment 14.Identification information acquisition module 110 and this COM code acquisition module 120 phase
Connect, this identification information is transmitted to this COM code acquisition module 120.This COM code acquisition module 120 is to this outside first
This identification information of portion's system transfers, and receive this COM code from this first external system.
Wherein in an embodiment, further include character recognition module 600, for when this standard leaflet template bag
When including standard character region, in this test print product image, set up character recognition region, this character recognition region and this standard
Character zone position corresponds to, and carries out character recognition to this character recognition region, is identified character string, according to this COM code
Obtain corresponding standard characters group in the 3rd external system, and retrieve in this standard characters group, when retrieving this knowledge
During other character string, judge this character recognition region for qualified region.
Wherein in an embodiment, this leaflet vision inspection apparatus further includes that template sets up module 700, is used for
Set up this standard leaflet template in standard leaflet template base 810, this template is set up module and included：Template Information obtains mould
Block 710, for obtaining standard leaflet image, template setup time and COM code；Characteristic value acquisition module 720, is used for obtaining
Take at least two eigenvalues being located at diverse location in this standard leaflet template, this at least two eigenvalue is used for treating described
Survey leaflet image calibration.
This leaflet vision inspection apparatus further includes memory module 800, including template base 810, for preserving this mark
Quasi- leaflet template, template setup time, COM code and this at least two eigenvalue.
Wherein in an embodiment, further include：I/O module, thinks this print to be measured for working as by described contrast
When brush product image and this standard leaflet template are incomplete same, export all differences point information, receiving user's input qualified
Instruction or unqualified instruction, and when receiving described unqualified instruction, do not conform to the output of this first external system is corresponding
Lattice information.
Wherein in an embodiment, this vision-based detection module 500 is used for this test print product image is printed with this standard
Whether at least one in the content between brush product template, color, bar code code system and size is identical to be contrasted.
Wherein in an embodiment, this memory module 800 further includes detection history memory element 820, for protecting
Deposit detection sum, passing number, number of non-compliances, underproof test print product image and detection date.
Wherein in an embodiment, further include：Enquiry module, for the standard print in described template base 810
Brush product template, template setup time, COM code and this at least two eigenvalue are inquired about, and for described detection history
Detection sum in memory element 820, passing number, number of non-compliances, underproof test print product image and detection date are carried out
Inquiry.
The embodiment of the present invention further provides for a kind of leaflet vision detection system 1, including optical imaging device 10 and regard
Feel detection means 12.This optical imaging device 10 is used for carrying out optical imagery to this test print product on conveyer belt 18.This regards
Feel detection means 12, for being retrieved in standard leaflet template base according to COM code corresponding with test print product, judge
Standard leaflet template corresponding with this COM code whether there is, and in the presence of judging this standard leaflet template, obtaining should
The template setup time of standard leaflet template, obtains corresponding digitized drawing in the second external system according to this COM code
Issue the time, this setup time is issued the time with this and is compared, judge this standard leaflet template the need of renewal,
When judging that this standard leaflet template does not need to update, obtain test print product image, and to this test print product image
Carry out vision-based detection, and contrasted with this standard leaflet template.
Wherein in an embodiment, further include identification information input equipment 14, described vision inspection apparatus 12 from
This identification information input equipment 14 obtains the identification information of this test print product, and obtains the first outside system according to this identification information
Corresponding described COM code in system.This identification information input equipment 14 be preferably code reader or for user manual
The keyboard of input identification information.
Wherein in an embodiment, further include human-computer interaction device 16, such as display and keyboard, when judging this mark
When quasi- leaflet template does not exist output there is not standard leaflet template information, when judge this standard leaflet template need
When updating export more new standard leaflet template information, when by described contrast think this test print product image with should
When standard leaflet template is incomplete same, export all differences point information, and the qualified instruction of receiving user's input or do not conform to
Lattice instruct.
This leaflet vision detection system 1 further includes conveyer belt 18, sensor 20 and controller 22, this conveyer belt 18
For placing this test print product.This controller 22 is used for controlling the operation of this conveyer belt 18, specifically can pass through this man-machine interaction
The instruction of equipment 16 receive user controls advance, retrogressing and the stopping of this conveyer belt 18.This sensor 20 is used for sensing this conveyer belt
18 run location, in particular for positioning test print product to this optical imaging device 10.This sensor 20 is permissible
It is color sensor or optical pickocff, this color sensor is used for detecting the color change on this conveyer belt 18 surface, this optics
Sensor is used for detecting the brightness flop on this conveyer belt 18 surface., this conveyer belt 18 surface has taking this color sensor as a example
For the tag slot 182 of positioning, the color distortion of the conveyer belt 18 outside the color of this tag slot 182 and this tag slot 182 can
Sensed by this color sensor, when this color sensor senses the sensing area that this tag slot 182 moves to this color sensor
During domain, this color sensor sends trigger to this controller 22.This controller 22 can obtain the transmission of this sensor 20
Trigger, and stopped according to the motion that this trigger controls this conveyer belt 18.
When judging that this standard leaflet template does not need to update, this conveyer belt 18 receives the finger sending from this controller 22
Order, makes transmission tape travel, when this sensor 20 senses this test print product and moves to this optical imaging device 10 lower section, to
This controller 22 sends trigger.This controller 22 receives this trigger, and makes this conveyer belt 18 out of service, simultaneously to
This optical imaging device 10 sends photograph instruction, controls this optical imaging device 10 to carry out optical imagery to this test print product,
And send this test print product image to this vision inspection apparatus 12.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (18)
1. a kind of leaflet visible detection method, including：
Retrieved in standard leaflet template base according to COM code corresponding with test print product, judge and this COM code pair
The standard leaflet template answered whether there is；
When there is standard leaflet template corresponding with this COM code, when obtaining the template of this standard leaflet template and setting up
Between；
According to this COM code obtain the second external system in corresponding digitized drawing issue the time；
This template setup time is issued the time with this be compared, judge this standard leaflet template the need of renewal；
When this standard leaflet template does not need to update, obtain test print product image；And
Vision-based detection is carried out to this test print product image, and is contrasted with this standard leaflet template.
2. leaflet visible detection method according to claim 1 is it is characterised in that further include：
Obtain the identification information of test print product；
Corresponding described COM code in first external system is obtained according to this identification information.
3. leaflet visible detection method according to claim 1 is it is characterised in that further include：When this standard print
When brush product template includes standard character region, set up character recognition region in this test print product image, this character recognition area
Domain is corresponding with this standard character regional location, and carries out character recognition to this character recognition region, is identified character string；
Corresponding standard characters group in 3rd external system is obtained according to this COM code；And
This standard characters group is retrieved, when retrieving this identification string, judges this character recognition region for qualified area
Domain.
4. leaflet visible detection method according to claim 3 it is characterised in that described to this test print product image
Carry out in vision-based detection, and the step being contrasted with this standard leaflet template, only by this mark in this standard leaflet template
Contrasted between region outside this character recognition region in region outside quasi- character zone and this test print product image.
5. leaflet visible detection method according to claim 1 is it is characterised in that further include, when judging this mark
When quasi- leaflet template does not exist, there is not standard leaflet template information in output, when judging this standard leaflet template
When needing to update, export more new standard leaflet template information.
6. leaflet visible detection method according to claim 1 is it is characterised in that further include at standard leaflet
The step setting up this standard leaflet template in template base, including：
Acquisition standard leaflet image, template setup time and COM code；
Obtain at least two eigenvalues being located at diverse location in this standard leaflet image, this at least two eigenvalue is used for will
Described test print product image calibration；And
This standard leaflet template base preserves this standard leaflet image, template setup time, COM code and this at least
Two eigenvalues, and set up corresponding relation.
7. leaflet visible detection method according to claim 1 is it is characterised in that further include：
When thinking that this test print product image and this standard leaflet template are incomplete same by described contrast, output is all
Discrepancy information, the qualified instruction of receiving user's input or unqualified instruction；
When receiving described unqualified instruction, export corresponding unqualified information to this first external system.
8. leaflet visible detection method according to claim 1 it is characterised in that described to this test print product image
Carry out vision-based detection, and the step being contrasted with this standard leaflet template is included：
To in the content between this test print product image and this standard leaflet template, color, bar code code system and size extremely
Few one kind is contrasted.
9. a kind of leaflet vision inspection apparatus are it is characterised in that described system includes：
Standard leaflet template retrieval module (100), according to COM code corresponding with test print product in standard leaflet mould
Retrieve in plate storehouse, judge that standard leaflet template corresponding with this COM code whether there is；
Time-obtaining module (200), for obtaining this standard leaflet template in the presence of judging this standard leaflet template
Template setup time, and according to this COM code obtain the second external system in corresponding digitized drawing issue the time；
Comparison module (300), is compared for this this template setup time issued the time, judges this standard leaflet mould
Whether plate is to need to update；
Leaflet image collection module (400), for be measured when judging that this standard leaflet template obtains this when not needing and updating
The image of leaflet；
Vision-based detection module (500), for vision-based detection is carried out to the image of this test print product, and with this standard leaflet mould
Plate is contrasted.
10. leaflet vision inspection apparatus according to claim 9 are it is characterised in that further include：
Identification information acquisition module (110), for obtaining the identification information of test print product；And
COM code acquisition module (120), for obtaining corresponding COM code in the first external system according to this identification information.
11. leaflet vision inspection apparatus according to claim 9 are it is characterised in that further include character recognition mould
Block (600), for when this standard leaflet template includes standard character region, setting up character in this test print product image
Identification region, this character recognition region is corresponding with this standard character regional location, and this character recognition region is entered with line character knowledge
Not, it is identified character string, corresponding standard characters group in the 3rd external system is obtained according to this COM code, and at this
Retrieve in standard characters group, when retrieving this identification string, judge this character recognition region for qualified region.
12. leaflet vision inspection apparatus according to claim 9 are it is characterised in that this leaflet vision detection system
Further include that template sets up module (700), for setting up this standard leaflet template, this mould in standard leaflet template base
Plate is set up module (700) and is included：
Template Information acquisition module (710), for obtaining standard leaflet image, template setup time and COM code；And
Characteristic value acquisition module (720), for obtaining at least two features being located at diverse location in this standard leaflet template
Value, this at least two eigenvalue is used for described test print product image calibration.
13. leaflet vision inspection apparatus according to claim 9 are it is characterised in that further include：
I/O module, thinks this test print product image and this incomplete phase of standard leaflet template for working as by described contrast
Meanwhile, export all differences point information, the qualified instruction of receiving user's input or unqualified instruction, and described in receive not
During qualified instruction, export corresponding unqualified information to this first external system.
14. leaflet vision inspection apparatus according to claim 9 are it is characterised in that this vision-based detection module (500) is used
In to the content between this test print product image and this standard leaflet template, color, bar code code system and size at least
Whether one kind is identical to be contrasted.
15. leaflet vision inspection apparatus according to claim 9 are it is characterised in that further include memory module
(800) and enquiry module (900), this memory module (800) includes：
Template base (810), for preserving this standard leaflet template, template setup time and COM code；And
Detection history memory element (820), for preserving detection sum, passing number, number of non-compliances, underproof test print product
Image and detection date；
This enquiry module (900) is used for the standard leaflet template in described template base (810), template setup time and material
Coding is inquired about, and for the detection sum in described detection history memory element (820), passing number, number of non-compliances, no
Qualified test print product image and detection date are inquired about.
A kind of 16. leaflet vision detection systems, including：
Optical imaging device (10), for carrying out optical imagery to this test print product on conveyer belt；
Vision inspection apparatus (12), for examining in standard leaflet template base according to COM code corresponding with test print product
Rope, judges that standard leaflet template corresponding with this COM code whether there is, in the presence of judging this standard leaflet template,
Obtain the template setup time of this standard leaflet template, corresponding numeral in the second external system is obtained according to this COM code
That changes drawing issues the time, this template setup time is issued the time with this and is compared, judge that this standard leaflet template is
No need to update, when judging that this standard leaflet template does not need to update, acquisition test print product image, and to be measured to this
Leaflet image carries out vision-based detection, and is contrasted with this standard leaflet template.
17. leaflet vision detection systems according to claim 16 are it is characterised in that further include that identification information is defeated
Enter equipment (14), described vision inspection apparatus (12) obtain the identification of this test print product from this identification information input equipment (14)
Information, and corresponding described COM code in the first external system is obtained according to this identification information.
18. leaflet vision detection systems according to claim 16 are it is characterised in that further include that man-machine interaction sets
Standby (16), there is not standard leaflet template information in the output when judging that this standard leaflet template does not exist, work as judgement
This standard leaflet template exports more new standard leaflet template information, when thinking this by described contrast when needing to update
When test print product image is incomplete same with this standard leaflet template, exports all differences point information, and receive user is defeated
The qualified instruction entering or unqualified instruction.
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