CN205427956U - Spread leaf platform tobacco leaf pendulum monitoring device based on industry camera - Google Patents
Spread leaf platform tobacco leaf pendulum monitoring device based on industry camera Download PDFInfo
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- CN205427956U CN205427956U CN201620168784.3U CN201620168784U CN205427956U CN 205427956 U CN205427956 U CN 205427956U CN 201620168784 U CN201620168784 U CN 201620168784U CN 205427956 U CN205427956 U CN 205427956U
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Abstract
The utility model discloses a spread leaf platform tobacco leaf pendulum monitoring device based on industry camera. Monitoring device is including spreading the leaf platform, being located industry camera and the computer of spreading leaf bench side, spread the leaf platform and be white or milky tobacco leaf transportation area, be a plurality of check to tobacco leaf conveyer belt average mark, one of them of every check go up to one side the angle and rather than correspond oblique under the footmark remember little numeral, letter or characters, at the big numeral of the middle zone of every check mark, letter or characters, the colour of digit, letter or characters obviously is different from the colour of tobacco leaf conveyer belt and tobacco leaf, spread around the leaf to the edge of tobacco leaf conveyer belt adopts the industry camera to acquire the image on every check of tobacco leaf conveyer belt in real time as the datum line. The utility model provides a monitoring device with feature extraction, image recognition, colour draw and statistics combines together, has solved and has judged the real -time ration of spreading leaf regularity, improved the utilization ratio that the tobacco leaf was cut.
Description
Technical field
This utility model belongs to Nicotiana tabacum L. paving leaf technical field, particularly relates to a kind of paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera.
Background technology
Paving leaf is a beating and double roasting important ring after former tabacco barn storehouse, and on the one hand its main effect is the control of the physics proportioning of Recipe leaf beating；Further aspect is that, what the regular control of paving leaf was beneficial to former cigarette cuts handle；In Recipe leaf beating field, often run into more former cigarette grade, industrial grading plus industry self, make the tobacco leaf degree after the sorting of routine can be on up to 40 kinds, under traditional paving leaf pattern, owing to task amount is bigger, it is not the most regular that former cigarette is put in sack, and the most energetic requirement in management so that in the stem-butts laying of paving leaf joint joint, often produce following phenomenon (1) the paving leaf time uneven；(2) paving leaf tilts；(3) paving leaf is more in disorder；The labour contractor causing part does not cut away and part Nicotiana tabacum L. has been mixed into inside labour contractor, reduces the utilization rate of Nicotiana tabacum L..
For existing paving leaf pattern, also not having suitably paving leaf supervising device to monitor the stem-butts laying state of paving leaf in real time, the quantitative criterias such as the qualification rate of Nicotiana tabacum L. are put in measuring and calculating.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera.This utility model extracts physical characteristic information and the colouring information of Nicotiana tabacum L. from the image that industrial camera shoots, and the Nicotiana tabacum L. monitored on paving leaf platform is put the most regular, and the qualification rate of Nicotiana tabacum L. is put in measuring and calculating.
The technical solution of the utility model is as follows: this utility model also provides for a kind of paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera, and described supervising device includes spreading leaf platform, is positioned at the industrial camera above paving leaf platform and computer；
Described paving leaf platform is white or milky Nicotiana tabacum L. conveyer belt, numeral, letter or word is used to come labelling paving leaf region on Nicotiana tabacum L. conveyer belt, Nicotiana tabacum L. conveyer belt is equally divided into several grid, each grid one of them tiltedly on angle and oblique inferior horn labelling decimal fractions, letter or the word of correspondence, at the big numeral of zone line labelling, letter or the word of each grid；The color of numeral, letter or word is clearly distinguishable from the color of Nicotiana tabacum L. conveyer belt and Nicotiana tabacum L.；Correct industrial camera, before and after paving leaf, using the edge of Nicotiana tabacum L. conveyer belt as datum line, obtain the image on each grid of Nicotiana tabacum L. conveyer belt in real time, it is sent to by the way of wired or wireless in computer after industrial camera shooting image, by the regularity of computer disposal post-evaluation paving leaf.
On described paving leaf region, the numeral of labelling, letter or word are to be heat sealing at conveyor belt surface by colored rubber in Nicotiana tabacum L. conveyer belt manufacturing process.
Described industrial camera is positioned on the support above Nicotiana tabacum L. conveyer belt, and the distance away from Nicotiana tabacum L. conveyer belt is 1200～1800mm.
The supervising device operation principle that this utility model provides is as follows: utilize the image of industrial camera collection to solve the nonstandard problem of Nicotiana tabacum L. stem-butts laying, owing to the background of conveyer belt is white or milky, having a bigger color difference with the orange region of Nicotiana tabacum L., therefore putting of the body region of Nicotiana tabacum L. the most regular can identify from image.For Nicotiana tabacum L. self, owing to cabo color relatively Nicotiana tabacum L. main body gamut color is partially deep, therefore can navigate to the direction of the labour contractor of Nicotiana tabacum L. further；In advance with red numerical (letter, word) the good region of labelling on white conveyer belt, different operators is distributed in each region, therefore position Nicotiana tabacum L. can put and concrete operator are associated, can evaluate each operator and spread the standardization of leaf, the standardization for using industrial picture to monitor stem-butts laying further provides application conditions and the theoretical foundation of necessity.
Described paving leaf platform Nicotiana tabacum L. stem-butts laying based on industrial camera monitoring method, comprises the following steps:
Step (1) comes labelling paving leaf region with numeral, letter or word on paving leaf platform, the method of labelling is for be equally divided into several grid Nicotiana tabacum L. conveyer belt, each grid one of them tiltedly on angle and oblique inferior horn labelling decimal fractions, letter or the word of correspondence, at the big numeral of zone line labelling, letter or the word of each grid；Numeral, letter or the color of word are clearly distinguished from the color of conveyer belt, Nicotiana tabacum L., before and after paving leaf, using the edge of conveyer belt as datum line, are based respectively on on-line industry camera and obtain the image of each grid in real time；
In general, Nicotiana tabacum L. carries with tens meters, conveyer belt is divided equally into several grid, a length of the 600 of each grid～1000mm, can adjust the length of grid according to practical situation.Can be with different numeral, letter or the word of labelling on each grid, M numeral, word or letter can also be taken, then difference labelling the most successively on each grid of conveyer belt, 5 numerals are such as used to be marked, labelling 1234512345 successively on each grid of conveyer belt ..., until the grid labelling on conveyer belt completes；Mark mode conveniently sets also dependent on practical operation；Then different marked regions being distributed to corresponding operator, the position therefore Nicotiana tabacum L. can put and concrete operator are associated, and then can evaluate each operator and spread the standardization of leaf, improve the regularity of paving leaf.
Step (2) computer carries out image procossing to the image of industrial camera collection, the numeral that after identification paving leaf, the grid area at Nicotiana tabacum L. place is corresponding, letter or word marking, the inclination angle of Nicotiana tabacum L. stem-butts laying in the body region of identification Nicotiana tabacum L. and body region, identify the aberration distribution of Nicotiana tabacum L., evaluate the Nicotiana tabacum L. stem-butts laying regularity of this each grid area, analyze paving leaf result, finally preserve original image and analysis result, can be according to the qualification rate of order of classes or grades at school statistics paving leaf, the qualification rate of each order of classes or grades at school can also be analyzed according to paving leaf type statistics, can also be according to the qualification rate of the tokens statistics in paving leaf region, ultimately produce paving leaf daily record and form.
Numeral, letter or the word marking that after identification paving leaf, the grid area at Nicotiana tabacum L. place is corresponding:
Before paving leaf, capture the image of each grid, use industrial camera that the image of each grid is preserved successively；Then navigating to each grid and tiltedly go up angle or the marked region of oblique inferior horn, the pixel region on the image of marked region place is [a1:a2, b1:b2], as it is shown in figure 1, a1, a2, b1, b2 are the coordinate figure of marked region, and the image of marked region is filtered noise reduction process, obtain the rgb space matrix of image, then carry out gray proces, obtain gray matrix and be defined as MI (i), i=1,2,3, ..., n, n are grid sum；
Capture the image of Nicotiana tabacum L. place grid after paving leaf, take out the marked region of corresponding [a1:a2, b1:b2] pixel region, the image of this marked region is filtered noise reduction process, obtain the rgb space matrix of image, then carry out gray proces；Obtain gray matrix and be designated as TI；
Definition σ is the similarity of image array, calculates
σ (i)=| | TI-MI (i) | |
=sqrt (Sum (sum ((TI-MI (i)) .* (TI-MI (i))))) (1)
Minimum i corresponding to σ value captures the sequence number of the grid of image after being paving leaf, i.e. identify and spread numeral, letter or the word marking that the grid area at Nicotiana tabacum L. place is corresponding after leaf.
The identification of Nicotiana tabacum L. body region: obtained the picture region at Nicotiana tabacum L. place by the color segmentation of image, it is filtered removing noise to the picture region at Nicotiana tabacum L. place, obtain the rgb space matrix of image, then carry out gray proces and binary conversion treatment, obtain gray matrix G；
The connected relation of each grid area image is obtained according to gray matrix G；And calculate the area of Nicotiana tabacum L. connected region in the image of each grid, find maximum region area A1 and time big region area A2, reject the area of other fritter；
If A1 >=70%, then A1 is the body region of Nicotiana tabacum L., represents the paving leaf direction of overall Nicotiana tabacum L.；
If A1 >=50%, A2 >=30%, then the two region is the body region of Nicotiana tabacum L., represents the paving leaf direction of Nicotiana tabacum L. respectively；
If A1 < 50%, then the direction of Nicotiana tabacum L. paving leaf is the most scattered, irregular；
The calculating at Nicotiana tabacum L. stem-butts laying inclination angle: after identifying Nicotiana tabacum L. body region according to gray matrix G, extract the profile information of Nicotiana tabacum L. body region, extract the skeleton centrage of profile information, according to the skeleton centreline data extracted, use MCCV (Monte Carlo cross validation) rejecting abnormalities point, carry out linear fit according to PLS (offset minimum binary)；According to the data of matching, digital simulation line and the angle spreading leaf belt edges, this angle is the inclination angle of Nicotiana tabacum L. stem-butts laying.
Identify the aberration distribution of Nicotiana tabacum L.: be filtered removing noise by the image of each grid after paving leaf, obtain the rgb space matrix of image, carry out gray proces again, it is ranked up from small to large according to tonal gradation, choose the gradation data less than P%, the ratio-dependent according to Nicotiana tabacum L. whole shared by cabo of the threshold value of P, calculates the spatial distribution distance of the gradation data less than P%；The way using the truncation that decaptitates calculates the meansigma methods of spatial distribution distance；Thus obtain binary map, can directly determine cabo and the distribution of Nicotiana tabacum L. aberration according to binary map.
The regularity evaluation of paving leaf: if paving Leaf inclination is 90 ± 10 degree, deep the most shallow for spreading leaf standard and regular under the color of Nicotiana tabacum L. labour contractor direction；Under color shallow deep for paving leaf standard but irregular；If paving Leaf inclination is not in the range of 90 ± 10 degree, deep shallow nonstandard for paving leaf under the color of Nicotiana tabacum L. labour contractor direction, but regular, shallow deep nonstandard and irregular for paving leaf under color；If the vertical dimension that dark distribution of color leaves conveyer belt stem-butts laying side exceedes the 10% of direction frame length, then judge that paving leaf is the most in disorder, defective.
This utility model obtains the image digitization etc. above paving leaf platform by industrial camera, is differentiated inclination angle and the distributed areas of Nicotiana tabacum L. aberration of Nicotiana tabacum L. main body stem-butts laying by the color space of the tobacco leaf image of stem-butts laying；Specifically, during the identification of actual production line, first the image of the on-the-spot all Nicotiana tabacum Lves of each grid is obtained, image is carried out pretreatment, denoising, filtering, extract the colouring information of tobacco leaf image, filtered view data is carried out the extraction of physical characteristic information, then uses the similarity of matrix to identify the positional information putting Nicotiana tabacum L.；According to the identification in UNICOM region in image, navigate to the Nicotiana tabacum L. of putting of main body, and put the angle of Nicotiana tabacum L.；The shade of the color space according to original image, identifies that the distribution of dark color region is the most in disorder to differentiate that Nicotiana tabacum L. is put；And combine management regulation, form the paving leaf checking system of concrete station.
Compared with prior art, this utility model has the advantages that feature extraction, image recognition, the extraction of color are combined by the supervising device that this utility model provides with statistics, quickly cope with the real-time quantitative to paving leaf regularity to judge, leaf is spread for specification, improve Nicotiana tabacum L. and cut the utilization rate of handle, create the biggest economic worth.
Accompanying drawing explanation
Fig. 1 is the pixel region coordinate diagram of marked region；
Fig. 2 is the structure chart of paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera；
Fig. 3 is the paving leaf administrative division map of Nicotiana tabacum L. conveyer belt；
Fig. 4 is Nicotiana tabacum L. stem-butts laying inclinometer nomogram in Nicotiana tabacum L. body region；
Fig. 5 is Nicotiana tabacum L. body color difference Butut；
Fig. 6 is the flow chart of described paving leaf platform monitoring method based on industrial camera；
Labelling in figure: 1-Nicotiana tabacum L. conveyer belt (paving leaf platform), 2-industrial camera, 3-support, 4-spreads leaf region；
Detailed description of the invention
With specific embodiment, the technical solution of the utility model is described in further details below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 2 and Figure 3, described supervising device includes spreading leaf platform, industrial camera 2 and computer described paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera；
Paving leaf platform is the Nicotiana tabacum L. conveyer belt 1 of white, numeral (1～8) is used to come labelling paving leaf region 4 on Nicotiana tabacum L. conveyer belt 1, mark mode is as shown in Figure 3, i.e. paving leaf conveyer belt 1 is equally divided into several grid, 8 grid are one group, each grid one of them tiltedly on angle and the oblique inferior horn labelling redness decimal fractions of correspondence thereof, the red big numeral of zone line labelling at each grid；Correct industrial camera, before and after paving leaf, using the edge of Nicotiana tabacum L. conveyer belt as datum line, obtain the image on each grid of Nicotiana tabacum L. conveyer belt in real time, it is sent to by the way of wired or wireless in computer after industrial camera shooting image, by the regularity of computer disposal post-evaluation paving leaf.
Industrial camera 2 is positioned on the support 3 above Nicotiana tabacum L. conveyer belt 1, and the industrial camera 2 distance away from Nicotiana tabacum L. conveyer belt 1 is 1500mm.
On paving leaf region, the numeral of labelling is heat sealing at conveyor belt surface by colored rubber in Nicotiana tabacum L. conveyer belt 1 manufacturing process.
The monitoring method of supervising device is as follows, and flow chart is as shown in Figure 6；
Before and after step (1) paving leaf, using the edge of Nicotiana tabacum L. conveyer belt as datum line, it is based respectively on on-line industry camera and obtains the image of each grid in real time；
The image of industrial camera collection is processed by step (2) computer, the digital labelling that after identification paving leaf, the grid area at Nicotiana tabacum L. place is corresponding, identify the inclination angle of Nicotiana tabacum L. stem-butts laying in Nicotiana tabacum L. body region and body region, identify the aberration distribution of Nicotiana tabacum L., evaluate the Nicotiana tabacum L. stem-butts laying regularity of this each grid area, analyze paving leaf result, finally preserve original image and analysis result, generating paving leaf daily record and form, operational flowchart is as shown in Figure 6.
The digital labelling that after identification paving leaf, the grid area at Nicotiana tabacum L. place is corresponding:
Before paving leaf, capture the image of each grid, use industrial camera that the image of each grid is preserved successively；Then navigating to each grid and tiltedly go up the marked region at angle, the pixel region on the image of marked region place is [a1:a2, b1: b2] (as it is shown in figure 1, a1, a2, b1, b2Coordinate figure for marked region), the image of marked region is filtered noise reduction process, obtains the rgb space matrix of image, then carry out gray proces, obtain gray matrix and be defined as MI (i), i=1,2,3 ..., n, n are grid sum；
Note: in Fig. 1, abscissa x is conveyer belt vertical direction, and vertical coordinate y is belt conveyance direction, a1b2-a1b1Characterize is belt edge line (at paving leaf), a1b2-a2b2Characterize is the station red line on belt；
Capture the image of Nicotiana tabacum L. place grid after paving leaf, take out corresponding [a1: a2, b1: b2] marked region of pixel region, the image of this marked region is filtered noise reduction process, obtains the rgb space matrix of image, then carry out gray proces；Obtain gray matrix and be designated as TI；
Definition σ is the similarity of image array, calculates
σ (i)=| | TI-MI (i) | |
=sqrt (Sum (sum ((TI-MI (i)) .* (TI-MI (i))))) (1)
Minimum i corresponding to σ value captures the sequence number of the grid of image after being paving leaf, i.e. identify and spread the digital labelling that the grid area at Nicotiana tabacum L. place is corresponding after leaf, and the digital number of the picture trying to achieve crawl is 8.
The identification of Nicotiana tabacum L. body region: obtained the picture region at Nicotiana tabacum L. place by the color segmentation of image, it is filtered removing noise to the picture region at Nicotiana tabacum L. place, obtain the rgb space matrix of image, then carry out gray proces and binary conversion treatment, obtain gray matrix G；
Differentiate around each pixel coordinate point, whether have the data of same grayscale to be distributed according to gray matrix G, labelling image is traveled through exactly for Ju Ti, by the pixel value index marker set of labelling image, the pixel finding the value representing current collection minimum in tag set to be assigned to original image current location obtains the connected relation of Nicotiana tabacum L. each grid area image；And calculate the area of the Nicotiana tabacum L. connected region of the image of each grid, find maximum region area A1 and time big region area A2, reject the area of other fritter；
In the present embodiment, A1 < 50%, Nicotiana tabacum L. paving leaf is that direction is the most scattered, irregular；
The calculating at Nicotiana tabacum L. stem-butts laying inclination angle: after identifying Nicotiana tabacum L. body region according to gray matrix G, extract the profile information of Nicotiana tabacum L. body region, extract the skeleton centrage of profile information, according to the skeleton centreline data extracted, use MCCV rejecting abnormalities point, carry out linear fit according to PLS；Data according to matching, digital simulation line and the angle spreading leaf belt edges, this angle is the inclination angle of Nicotiana tabacum L. stem-butts laying, calculating inclination angle is 32 degree, as Fig. 4 shows, figure is followed successively by from Zuo Zhiyou obtain according to gray matrix the body region figure of Nicotiana tabacum L., the connected region figure for Nicotiana tabacum L., matched curve figure；
Wherein calculate the method at inclination angle particularly as follows:
If y is dependent variable (belt conveyance direction pixel coordinate), x is independent variable (conveyer belt vertical direction pixel coordinate), and the theoretical model of multiple linear regression is
Y=β0+β1x；
PLS is used to solve coefficient [β0,β1]
Then carrying out digital simulation line and the X-axis angle of conveyer belt vertical direction (the main body Nicotiana tabacum L. with) computing formula according to formula below is: if β1＞ 0, inclination angle
Q1=atan ((s1)) * 180/3.145926；If, β1＜ 0, inclination angle is
Q1=atan ((β1))*180/3.145926+180；
Identify the aberration distribution of Nicotiana tabacum L.: be filtered removing noise by the image of each grid after paving leaf, obtain the rgb space matrix of image, carry out gray proces again, it is ranked up from small to large according to tonal gradation, choose the gradation data less than P%, the ratio-dependent according to Nicotiana tabacum L. whole shared by cabo of the threshold value of P, calculates the spatial distribution distance of the gradation data less than P%；The way using the truncation that decaptitates calculates the meansigma methods of spatial distribution distance；Thus obtain binary map, can directly determine cabo and the distribution of Nicotiana tabacum L. aberration according to binary map, and calculate dark distribution of color point distance conveyer belt vertical dimension and account for the percentage ratio of image length；Aberration scattergram as it is shown in figure 5, in figure darker regions be cabo position, in the present embodiment, the value of P% is 10%.
The regularity evaluation of paving leaf: the Nicotiana tabacum L. stem-butts laying inclination angle of Nicotiana tabacum L. body region is 32 degree, the vertical dimension that dark distribution of color leaves conveyer belt stem-butts laying side exceedes the 10% of direction frame length, it is determined that the most in disorder for paving leaf, defective.
Claims (3)
1. a paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera, it is characterised in that described supervising device includes spreading leaf platform, is positioned at the industrial camera above paving leaf platform and computer；
Described paving leaf platform is white or milky Nicotiana tabacum L. conveyer belt, numeral, letter or word is used to come labelling paving leaf region on Nicotiana tabacum L. conveyer belt, Nicotiana tabacum L. conveyer belt is equally divided into several grid, each grid one of them tiltedly on angle and oblique inferior horn labelling decimal fractions, letter or the word of correspondence, at the big numeral of zone line labelling, letter or the word of each grid；The color of numeral, letter or word is clearly distinguishable from the color of Nicotiana tabacum L. conveyer belt and Nicotiana tabacum L.；Correct industrial camera, before and after paving leaf, using the edge of Nicotiana tabacum L. conveyer belt as datum line, obtain the image on each grid of Nicotiana tabacum L. conveyer belt in real time, it is sent to by the way of wired or wireless in computer after industrial camera shooting image, by the regularity of computer disposal post-evaluation paving leaf.
2. paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera as claimed in claim 1, it is characterised in that on described paving leaf region, the numeral of labelling, letter or word are to be heat sealing at conveyor belt surface by colored rubber in Nicotiana tabacum L. conveyer belt manufacturing process.
3. paving leaf platform Nicotiana tabacum L. stem-butts laying supervising device based on industrial camera as claimed in claim 1, it is characterised in that described industrial camera is positioned on the support above Nicotiana tabacum L. conveyer belt, and the distance away from Nicotiana tabacum L. conveyer belt is 1200～1800mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105787944A (en) * | 2016-03-04 | 2016-07-20 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | Leaf laying table handle monitoring device based on industrial camera and monitoring method |
| CN109187593A (en) * | 2018-08-29 | 2019-01-11 | 上海微现检测设备有限公司 | A kind of control method and system of detection device |
| CN111402347A (en) * | 2020-03-20 | 2020-07-10 | 吴刚 | New crown pneumonia epidemic situation prevention and control system based on Internet of things |
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2016
- 2016-03-04 CN CN201620168784.3U patent/CN205427956U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105787944A (en) * | 2016-03-04 | 2016-07-20 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | Leaf laying table handle monitoring device based on industrial camera and monitoring method |
| CN105787944B (en) * | 2016-03-04 | 2019-05-03 | 红塔烟草（集团）有限责任公司楚雄卷烟厂 | A kind of paving leaf platform stem-butts laying monitoring device and monitoring method based on industrial camera |
| CN109187593A (en) * | 2018-08-29 | 2019-01-11 | 上海微现检测设备有限公司 | A kind of control method and system of detection device |
| CN111402347A (en) * | 2020-03-20 | 2020-07-10 | 吴刚 | New crown pneumonia epidemic situation prevention and control system based on Internet of things |
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