CN109946229A - A kind of double bracing wire detection systems of cigarette carton packet intelligent digital and detection method - Google Patents
A kind of double bracing wire detection systems of cigarette carton packet intelligent digital and detection method Download PDFInfo
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- CN109946229A CN109946229A CN201910137821.2A CN201910137821A CN109946229A CN 109946229 A CN109946229 A CN 109946229A CN 201910137821 A CN201910137821 A CN 201910137821A CN 109946229 A CN109946229 A CN 109946229A
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- 238000001514 detection method Methods 0.000 title claims abstract description 73
- 235000019504 cigarettes Nutrition 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000010606 normalization Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 241001269238 Data Species 0.000 abstract description 3
- 230000006870 function Effects 0.000 abstract description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 239000011086 glassine Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The present invention relates to a kind of double bracing wire detection systems of cigarette carton packet intelligent digital and detection methods, wherein system includes microcontroller and the high speed camera being connected with the microcontroller and LED light source, the LED light source is located at the front end of high speed camera and the optical center of LED light source intersects with the optical center of high speed camera, the center alignment fiducials bracing wire of high speed camera, the microcontroller include master cpu and the memory being connected with the master cpu and LED touch screen.Using DSP processing technique, arithmetic speed is fast, and processing capacity is strong, adapts to complicated algorithm, can accurately detect the presence or absence of double bracing wires of all kinds of profile bar packets or offset；High speed camera uses full view image vision detection mode, supports multiwindow application, freely sets detection range；Touch screen display function, the operating status and all kinds of operation datas of the detection of real-time display current production.
Description
Technical field
The present invention relates to tobacco package technical field of quality detection more particularly to a kind of double bracing wires of cigarette carton packet intelligent digital
Detection system and detection method.
Background technique
In cigarette production process, layer of transparent wrapping paper is wrapped up outside packing box, has played sealing, moisture-proof effect, and
Packaging is dismantled convenient for user by bracing wire, the problems such as the missing of bracing wire, deviation, seriously affects the quality of carton box cigarette.
Currently, domestic each cigarette enterprise takes much count of the mass defect of CV item packet bracing wire, it is also mounted with various items accordingly
Packet stay wire testing apparatus is detected the presence or absence of bracing wire, can not be detected bracing wire using the jogging sensor mode of simple and mechanical principle
Offset；After packaging forming, mounting bar packet vision inspection apparatus, such detection is mounted on after cigarette packet shaping, and price is high and deposits
The missing inspection, erroneous detection the phenomenon that, exist to transparent wire stay detection obvious insufficient；Using image detecting method, the detection method light source
The problems such as decaying is very fast, and detection accuracy is low, detection is not sensitive enough, and daily maintenance adjustment is cumbersome.
Summary of the invention
The purpose of the present invention is to provide a kind of double bracing wire detection systems of cigarette carton packet intelligent digital and detection methods, use
Image vision technology shoots image full view, and detection accuracy freely determines detection range by way of delineating window, full
The double bracing wire craft quality standards of sufficient item packet.
To achieve the above object, technical scheme is as follows:
A kind of double bracing wire detection systems of cigarette carton packet intelligent digital, including microcontroller and the high speed being connected with the microcontroller
Camera and LED light source, the LED light source are located at the front end of high speed camera and the optical center of LED light source and high speed camera
Optical center intersection, the center alignment fiducials bracing wire of high speed camera, the microcontroller include master cpu and with the master cpu
The memory and LED touch screen being connected.
In above scheme, the microcontroller further includes deserializer, be connected to high speed camera and master cpu it
Between, the serial signal for transmitting high speed camera is converted to the parallel signal of master cpu identification.
In above scheme, the LED touch screen is equipped with the detection window equal with bracing wire quantity, and detection is corresponding respectively draws
Line simultaneously shows detection data.
In above scheme, the microcontroller further includes network chip, and the network chip is electrically connected with master cpu, right
Outer connection PC machine, for the image data of master cpu to be transmitted to PC machine.
A kind of double bracing wire detection methods of cigarette carton packet intelligent digital, include the following steps:
S1, Initialize installation, called data memory data, to window Initialize installation, synchronous LED light source and high speed camera
The flash of light of Image Acquisition controls；
S2, Image Acquisition, high speed camera cooperated with LED light source shoot and the picture signal of acquisition are converted into LVDS serial signal
Transmission；
S3, picture signal transmission, LVDS serial signal are converted into parallel signal through deserializer and transmit through bus transceiver
To master cpu；
S4, image-computing analysis, master cpu carries out geometrical normalization processing to image bracing wire size, and image data is sent
It is shown to LED touch screen.
Wherein, in step S4, the data of geometrical normalization processing include the first detection window data and the second detection window
Data sequentially carry out mean filter to the first detection window data and the second detection window data respectively and seek binary entropy, determine
Whether in setting range, rejecting signal is sent if binary entropy numerical value is lower than preset value.
In above scheme, the calculation formula of the binary entropy is H(X)=Σ-P (i, j) * lgP (i, j), wherein i is current
Grey scale pixel value, j are the mean value of 8 neighborhood of current pixel, and it is current pixel gray value i that the range of i and j, which are 0~255, P (i, j),
The probability occurred with the mean value j of 8 neighborhood of current pixel, while the mean value of current pixel sum of the grayscale values current pixel neighborhood being segmented
Accumulation calculating, forming size is the new binary array of 25*25.
The double bracing wire detection systems of cigarette carton packet intelligent digital of the invention and detection method, using DSP processing technique, operation
Speed is fast, and processing capacity is strong, adapts to complicated algorithm, can accurately detect the presence or absence of double bracing wires of all kinds of profile bar packets or offset；At a high speed
Camera uses full view image vision detection mode, supports multiwindow application, freely sets detection range；Touch screen shows function
Can, the operating status and all kinds of operation datas of the detection of real-time display current production.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the double bracing wire detection systems of intelligent digital in one embodiment of the invention；
Fig. 2 is the flow chart of the double bracing wire detection methods of intelligent digital in one embodiment of the invention；
Description of symbols: 1, high speed camera, 2, LED light source, 3, microcontroller, 4, benchmark bracing wire.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and examples.
Such as Fig. 1, the double bracing wire detection systems of cigarette carton packet intelligent digital of the invention, including microcontroller 3 and and microcontroller
The connected high speed camera 1 of device 3 and LED light source 2.Wherein, LED light source 2 is located at front end and the LED light source 2 of high speed camera 1
Optical center intersects with the optical center of high speed camera 1, the center alignment fiducials bracing wire 4 of high speed camera 1.Microcontroller 3 includes master control
CPU, deserializer, memory and LED touch screen, memory and LED touch screen are electrically connected with master cpu respectively, serial to solve
String device is connected between high speed camera 1 and master cpu, and the serial signal for transmitting high speed camera 1 is converted to master control
The parallel signal of CPU identification.Wherein, memory includes synchronous DRAM, program storage, data storage, number
The setting parameter of memory window is used for according to memory, program storage to synchronize dynamic for storing image processing software program code
State random access memory is used to store the image data of acquisition.
When item packet to be detected be drawstring through high speed camera 1 find a view area when, LED light source 2 illuminates bracing wire, high speed camera
1 starts to shoot image, and when item packet glassine paper to be detected is by image acquisition region, 1 cooperated with LED light source 2 of high speed camera is complete
At Image Acquisition, and continuous shooting style is used, the acquisition speed of each image is 5-6ms.The item packet that high speed camera 1 is shot
Glassine paper picture signal is transmitted to synchronous DRAM, master cpu passes through by dedicated data line and image pick-up card
Image processing software carries out geometrical normalization processing to image bracing wire size, makes bracing wire in the same sizeization, and in LED touch screen display
Show calculating data.
Wherein, LED touch screen is equipped with the first detection window and the second detection window, detects two bracing wires, such as No. 0 respectively
Bracing wire and No. 1 bracing wire, No. 0 bracing wire are correspondingly provided with detected value and setting value window, and No. 1 bracing wire is correspondingly provided with detected value and setting value
Window；Detected value is used to show the real time value of current bracing wire on-line checking, setting value, that is, threshold value, for setting detection bracing wire
A reference value, when detected value is then rejected lower than a reference value；First detection window, for the detection range of No. 0 bracing wire, the second inspection to be arranged
Window is surveyed, for the detection range of No. 1 bracing wire to be arranged, the test spacing of No. 0 bracing wire and No. 1 bracing wire can be set according to the actual situation
Fixed, maximum can tune to 10mm.
In order to allow users to facilitate it is succinct system is operated and is arranged, microcontroller 3 further includes network chip,
Network chip is internally electrically connected with master cpu, external connection PC machine, complete for the image data of master cpu to be transmitted to PC machine
It is controlled at operation.
In one embodiment, the imaging sensor in high speed camera 1 uses PYTHON1300 chip, and defeated using LVDS
Out, master cpu uses the 600MHz DSP BF533 chip of ADI company, and deserializer selects DS92LV1212A chip.
Master cpu powers on, called data in-memory data, carries out initialization to PYTHON1300 by 12C bus and sets
It sets, and controls the flashing speed of LED light source 2 by timer internal；PYTHON1300 acquires picture signal and by parallel signal
LVDS serial signal is converted to, the LVDS serial signal change that DS92LV1212A receives PYTHON1300 transmission is converted into parallel letter
Number, parallel signal is transmitted and is transmitted to the PPI interface of master cpu by bus transceiver, and the image data of processing is passed through string by DSP
Mouth is sent to LED touch screen, and can be configured by LED touch screen.DSP can also be by network chip DM9000 by picture number
According to being uploaded to PC machine, and DSP is configured by PC machine.
A kind of double bracing wire detection methods of cigarette carton packet intelligent digital, include the following steps:
Step 1, Initialize installation, called data memory data, to window Initialize installation, synchronous LED light source 2 and high speed
The flash of light of 1 Image Acquisition of camera controls；
The picture signal of acquisition is simultaneously converted into LVDS string by step 2, Image Acquisition, the shooting of 1 cooperated with LED light source 2 of high speed camera
The transmission of row signal；
Step 3, picture signal transmission, LVDS serial signal through deserializer are converted into parallel signal and through bus transceivers
It is transmitted to master cpu；
Step 4, image-computing analysis, master cpu carry out geometrical normalization processing to image bracing wire size, and by image data
LED touch screen is sent to show.
Wherein, in step 4, the data of geometrical normalization processing include the first detection window data and the second detection window
Data sequentially carry out mean filter to the first detection window data and the second detection window data respectively and seek binary entropy, determine
Whether in setting range, rejecting signal is sent if numerical value is lower than preset value.The calculation formula of binary entropy is H(X)=Σ-P
(i, j) * lgP (i, j), wherein i is current pixel gray value, and j is the mean value of 8 neighborhood of current pixel, the range of i and j is 0~
255, P (i, j) are the probability that the mean value j of 8 neighborhood of current pixel gray value i and current pixel occurs, while current pixel is grey
The mean value j of 8 neighborhood of angle value i and current pixel is segmented accumulation calculating, and forming size is the new binary array of 25*25.
DSP electrification reset reads data in data storage, carries out initialization to PYTHON1300 by I2C bus and sets
It sets, setting timer internal controls LED light source 2 and glistens, and when high speed camera 1 is normal, interrupts setting to the PPI of DSP, waits
PPI data, determine whether valid data, and when data are effective, the first detection window is opened, to the acquisition image of No. 0 bracing wire
It carries out mean filter and finds out its binary entropy, when No. 0 bracing wire binary entropy is not when being arranged in range, signal is rejected in submitting；Secondly,
Second detection window is opened, and is carried out mean filter to the acquisition image of No. 1 bracing wire and is found out its binary entropy, when No. 1 bracing wire binary
Entropy is sent out not when being arranged in range and rejects signal.When the first detection window is without acquisition image, the second detection can be directly entered
Window carries out image real time transfer.
In one embodiment, the calculation formula of binary entropy are as follows: H(X)=Σ-P (i, j) * lgP (i, j), wherein i is current
Grey scale pixel value, range are the mean value that 0 ~ 255, j is 8 neighborhood of current pixel, and value range is 0 ~ 255, and binary array P (i, j) is
The probability of the mean value j appearance of current pixel gray value i, 8 neighborhood of current pixel, array size 256*256.Due to DSP for
The floating-point operation of array is too slow, and about 100 milliseconds of each window or more, two windows need 200 milliseconds or more, therefore can not
Realize real-time detection.
The present invention is optimized to binary array, specific to optimize are as follows: the probability of current pixel gray value 0 ~ 15 is cumulative
Into new array P_IMG (0), the probability of current pixel gray value 16 ~ 25 is added in new array P_IMG (1), by current picture
The probability of plain gray value 26 ~ 35 is added in new array P_IMG (2), and so on, finally, by current pixel gray value 246 ~
255 probability is added in new array P_IMG (24).Equally, the probability of the mean value 0 ~ 15 of 8 neighborhood of current pixel is added to newly
In array P_AVG (0), the probability of the mean value 16 ~ 25 of 8 neighborhood of current pixel is added in new array P_AVG (1), it will be current
The probability of the mean value 26 ~ 35 of 8 neighborhood of pixel is added in new array P_AVG (2), and so on, finally, current pixel 8 is adjacent
The probability of the mean value 246 ~ 255 in domain is added in new array P_AVG (24), and the size of the new binary array of gained is 25*25, than
Former array size reduces 100 times, i.e. speed increases 100 times, increases the real-time of system, improves detection speed.
The double bracing wire detection systems of cigarette carton packet intelligent digital of the invention and detection method, using DSP processing technique, operation
Speed is fast, and processing capacity is strong, adapts to complicated algorithm, can accurately detect the presence or absence of double bracing wires of all kinds of profile bar packets or offset；At a high speed
Camera uses full view image vision detection mode, supports multiwindow application, freely sets detection range；Touch screen shows function
Can, the operating status and all kinds of operation datas of the detection of real-time display current production reach the double bracing wire technique quality testing marks of item packet
It is quasi-.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that the foregoing is merely a specific embodiment of the invention, the guarantor that is not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all be contained in this hair
Within bright protection scope.
Claims (8)
1. a kind of double bracing wire detection systems of cigarette carton packet intelligent digital, it is characterised in that: including microcontroller (3) and with it is described micro-
The connected high speed camera (1) of controller (3) and LED light source (2), before the LED light source (2) is located at high speed camera (1)
The optical center of end and LED light source (2) intersects with the optical center of high speed camera (1), the center alignment fiducials bracing wire of high speed camera (1)
(4), the microcontroller (3) includes master cpu and the memory being connected with the master cpu and LED touch screen.
2. the double bracing wire detection systems of cigarette carton packet intelligent digital according to claim 1, it is characterised in that: the microcontroller
Device (3) further includes deserializer, and the deserializer is connected between high speed camera (1) and master cpu, and being used for will be high
The serial signal of fast camera (1) transmission is converted to the parallel signal of master cpu identification.
3. the double bracing wire detection systems of cigarette carton packet intelligent digital according to claim 1, it is characterised in that: the LED touching
It touches screen and is equipped with the detection window equal with bracing wire quantity, detect corresponding bracing wire respectively and show detection data.
4. the double bracing wire detection systems of cigarette carton packet intelligent digital according to claim 1, it is characterised in that: the microcontroller
Device (3) further includes network chip, and the network chip is electrically connected with master cpu, external connection PC machine, for by master cpu
Image data is transmitted to PC machine.
5. the double bracing wire detection systems of cigarette carton packet intelligent digital according to claim 1, it is characterised in that: the high speed is taken the photograph
As head (1) selects the imaging sensor of model PYTHON1300 chip.
6. a kind of double bracing wire detection methods of cigarette carton packet intelligent digital, which comprises the steps of:
S1, Initialize installation, called data memory data, to window Initialize installation, synchronous LED light source (2) is taken the photograph with high speed
As the flash of light of head (1) Image Acquisition controls；
The picture signal of acquisition is simultaneously converted into LVDS string by S2, Image Acquisition, high speed camera (1) cooperated with LED light source (2) shooting
The transmission of row signal；
S3, picture signal transmission, LVDS serial signal are converted into parallel signal through deserializer and transmit through bus transceiver
To master cpu；
S4, image-computing analysis, master cpu carries out geometrical normalization processing to image bracing wire size, and image data is sent
It is shown to LED touch screen.
7. the double bracing wire detection methods of cigarette carton packet intelligent digital according to claim 6, it is characterised in that: in step S4,
The data of geometrical normalization processing include the first detection window data and the second detection window data, are sequentially detected respectively to first
Window data and the second detection window data carry out mean filter and seek binary entropy, determine whether in setting range, if binary
Entropy numerical value then sends rejecting signal lower than preset value.
8. the double bracing wire detection methods of cigarette carton packet intelligent digital according to claim 7, it is characterised in that: the binary entropy
Calculation formula be H(X)=Σ-P (i, j) * lgP (i, j), wherein i is current pixel gray value, and j is 8 neighborhood of current pixel
The range of mean value, i and j be 0~255, P (i, j) be current pixel gray value i and the mean value j of 8 neighborhood of current pixel occur it is general
Rate, while the mean value of current pixel sum of the grayscale values current pixel neighborhood is segmented accumulation calculating, forming size is new two of 25*25
First array.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040005086A1 (en) * | 2002-07-03 | 2004-01-08 | Equinox Corporation | Method and apparatus for using thermal infrared for face recognition |
| CN1794264A (en) * | 2005-12-31 | 2006-06-28 | 北京中星微电子有限公司 | Method and system of real time detecting and continuous tracing human face in video frequency sequence |
| CN202089280U (en) * | 2011-01-30 | 2011-12-28 | 沈阳中科朗运科技有限公司 | Visual detection apparatus of small cigarette package and strip package transparent paper drawing line |
| CN203178196U (en) * | 2013-02-05 | 2013-09-04 | 厦门烟草工业有限责任公司 | Tear-tape detector based on image processing |
| JP2016048860A (en) * | 2014-08-27 | 2016-04-07 | 日本電信電話株式会社 | Quantum key distribution system and quantum key distribution method |
| CN107333142A (en) * | 2011-06-16 | 2017-11-07 | Ge视频压缩有限责任公司 | Context initialization in entropy code |
| CN209858406U (en) * | 2019-02-25 | 2019-12-27 | 南京文易特电子科技有限公司 | Intelligent digital double-pull-wire detection system for cigarette carton and pack |
-
2019
- 2019-02-25 CN CN201910137821.2A patent/CN109946229A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040005086A1 (en) * | 2002-07-03 | 2004-01-08 | Equinox Corporation | Method and apparatus for using thermal infrared for face recognition |
| CN1794264A (en) * | 2005-12-31 | 2006-06-28 | 北京中星微电子有限公司 | Method and system of real time detecting and continuous tracing human face in video frequency sequence |
| CN202089280U (en) * | 2011-01-30 | 2011-12-28 | 沈阳中科朗运科技有限公司 | Visual detection apparatus of small cigarette package and strip package transparent paper drawing line |
| CN107333142A (en) * | 2011-06-16 | 2017-11-07 | Ge视频压缩有限责任公司 | Context initialization in entropy code |
| CN203178196U (en) * | 2013-02-05 | 2013-09-04 | 厦门烟草工业有限责任公司 | Tear-tape detector based on image processing |
| JP2016048860A (en) * | 2014-08-27 | 2016-04-07 | 日本電信電話株式会社 | Quantum key distribution system and quantum key distribution method |
| CN209858406U (en) * | 2019-02-25 | 2019-12-27 | 南京文易特电子科技有限公司 | Intelligent digital double-pull-wire detection system for cigarette carton and pack |
Non-Patent Citations (2)
| Title |
|---|
| 刘庆伟;信明阳;: "新型香烟小包拉线检测器的设计", 中国科技信息, no. 05 * |
| 蔡培良;何邦贵;华卫;蒋晓伟;朱正运;吕忠;陈龙军;: "BV包装机条烟外观质量检测装置的设计", 包装工程, no. 23 * |
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