CN202256164U - Equipment suitable for measuring long tobacco stalk rate by image analysis method - Google Patents

Equipment suitable for measuring long tobacco stalk rate by image analysis method Download PDF

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Publication number
CN202256164U
CN202256164U CN2011202483198U CN201120248319U CN202256164U CN 202256164 U CN202256164 U CN 202256164U CN 2011202483198 U CN2011202483198 U CN 2011202483198U CN 201120248319 U CN201120248319 U CN 201120248319U CN 202256164 U CN202256164 U CN 202256164U
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China
Prior art keywords
offal
blanking channel
image
stalk rate
dimentional
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Withdrawn - After Issue
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CN2011202483198U
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Chinese (zh)
Inventor
武凯
徐大勇
王晓辉
堵劲松
牟定荣
刘强
邓国栋
张建华
陈良元
郑红艳
李忠寿
谭国治
段黎跃
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Zhengzhou Tobacco Research Institute of CNTC
Hongta Tobacco Group Co Ltd
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Zhengzhou Tobacco Research Institute of CNTC
Hongta Tobacco Group Co Ltd
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Abstract

The utility model relates to equipment suitable for measuring a long tobacco stalk rate by using an image analysis method. The equipment comprises a dispersion spreading device, an image collecting device and an image processing analytical and statistical system, wherein the dispersion spreading device comprises a primary vibrating screen and a secondary vibrating screen which are horizontally arranged and are connected in series; dispersion spreading between tobacco stalks is realized through a speed difference between the primary vibrating screen and the secondary vibrating screen; a two-dimensional blanking channel of the image collecting device and the secondary vibrating screen are connected and are arranged at an angle of 90 degrees; a picture-taking window is arranged at one side of the two-dimensional blanking channel; a linear array CCD (Charge Coupled Device) camera is arranged just opposite to the picture-taking window; two LEDs (Light-Emitting Diode) are respectively installed at the upper and the lower positions of the picture-taking window; the inner side wall of the two-dimensional blanking channel facing towards the picture-taking window is made of opaque materials and is adhered with an anti-reflection film; the other three side walls of the two-dimensional blanking channel are made of transparent materials; a collected tobacco stalk digital image of each frame is transmitted to the image processing analytical and statistical system in real time by a data line; and finally the long tobacco stalk rate is counted and calculated.

Description

Be applicable to the equipment of the long stalk rate of image analytical method mensuration offal
Technical field
The utility model belongs to technical field of tobacco processing, and particularly a kind of image analytical method that is applicable to is measured the equipment of the long stalk rate of offal.
Background technology
The long stalk rate of offal is to weigh the important indicator of beating and double roasting quality, and the long stalk rate of offal, thickness have a significant effect to stem structure and silk production rate, and the stem structure finally influences it and mixes and join homogeneity and rolled cigarette quality.
" tobacco threshing and redrying technological specification " (YC/T146-2001) chapter 5 to rectificate the stalk rate (>20mm) >=80%.At present long stalk rate detection method be by " beating the leaf quality of tobacco checks " (YC/T147-2001) Chapter 11 carry out i.e. hand picking method: after the offal sample is fully mixed, use the inquartation division; Take out portion then offal is pursued root correspondingly-sized plate; Long stalk (>20mm) put into a sample disc, short stalk is put into another sample disc, weighs respectively; Calculate the number percent that long stalk quality and short stalk quality account for gross mass, be long stalk rate, short stalk rate.This method labour intensity is bigger, and efficient is low, cause the testing staff tired easily, and the testing result error is bigger.
Summary of the invention
The purpose of the utility model is to overcome the shortcoming of prior art; Invent a kind of equipment that adopts the long stalk rate of image analytical method offal to measure; It can detect the long stalk rate of offal fast, conveniently, accurately; Utilize this equipment can reduce labour intensity, increase work efficiency, guarantee that the long stalk rate of offal measures the objective, accurately and true of result.
The purpose of the utility model is to be achieved through following technical scheme: the equipment that is applicable to the long stalk rate of image analytical method mensuration offal comprises dispersion laying device, image collecting device and image processing and analyzing statistical system,
Wherein disperse laying device to become by the screen banks of two-stage vibration up and down that is horizontal arrangement of series connection; The limit flitch (2) that is used to control the offal flow and offal is made thinner is installed in the one-level vibratory screening apparatus (1); The frequency of secondary vibration sieve (3) is greater than one-level vibratory screening apparatus (1); Through the velocity contrast of one-level vibratory screening apparatus (1) and secondary vibration sieve (3), realize the dispersion stone between the offal;
Wherein image collecting device comprises two-dimentional blanking channel (4), two led light sources (5), linear array CCD camera (7) and data line (8); Wherein two-dimentional blanking channel (4) joins with secondary vibration sieve (3) and is 90 ° of settings; Two dimension blanking channel (4) one sides offer the window of taking pictures (6); Linear array CCD camera (7) is provided with over against the window of taking pictures (6); Two led light sources (5) are installed in two positions up and down of the window of taking pictures (6) respectively; In the face of two-dimentional blanking channel (4) madial wall of window (6) of taking pictures is opaque material and posts antireflection film, other three sidewalls are transparent material, and every frame offal digital picture of collection is given the image processing and analyzing system through data line (8) real-time Transmission;
Two dimension blanking channel (4) width is slightly larger than secondary vibration sieve (3), and thickness is 20mm.
The mesh diameter of one-level vibratory screening apparatus (1) and secondary vibration sieve (3) is 2.36mm.
The width of two dimension blanking channel (4) xsect is rectangular rectangle greater than thickness.
Said two-dimentional blanking channel (4) thickness is 20mm, and width is greater than the width 500mm of secondary vibration sieve (3).
Said image processing and analyzing statistical system comprises computer hardware platforms (9) and image processing and analyzing software; The offal digital picture is transferred to computing machine through data line (8) and preserves; Image processing and analyzing software reads every frame offal digital picture and carries out Treatment Analysis, calculates the length of every offal in the digital picture, distinguishes the above and following offal of 20mm; And add up respectively, last statistical computation goes out the long stalk rate of offal.
Every offal length in the said calculating digital picture is to adopt the minimum boundary rectangle that calculates every offal, and wherein the length on the long limit of rectangle is exactly the length of this offal, and the long edge lengths of every of recording offal rectangle then is the length of every offal.
It is following to utilize image analytical method to measure the offal minimum boundary rectangle form parameter step of image processing and analyzing software measurement/long stalk rate of calculating offal of the long stalk rate of offal:
The realization of window, specifically through the GUI interface that provide or cross-platform of calling system, the log-in window class is provided with corresponding parameters, creates menu;
The reading in and show of pictorial data, according to picture format, reading images header and its view data successively, the view data display interface that provides of calling system is shown to display again;
Pictorial data is handled; Extract the long stalk of the offal form parameter information that image itself contains with image processing method; Then calculate the minimum boundary rectangle of offal, the length on the long limit of its rectangle is exactly the length of offal, and concrete elder generation carries out gray processing to view data; Extract the Canny algorithm with existing edge again and obtain the long stalk of offal side information, record the length of every offal; Through the long stalk of offal side information, further calculate length again, and then the long stalk rate of definite offal parameter;
Show the long stalk rate of offal parameter result after the deal with data, to the parameter that processing obtains, the corresponding characters interface that calling system provides directly shows in the user area of window;
Preserve the long stalk rate of offal CALCULATION OF PARAMETERS result, preserve a plurality of results,, number, create ascii text file the long stalk of offal target is stored its numbering, area, form parameter successively the long stalk rate of a plurality of offals target in the sub-picture.
The utility model has the advantages that: provide a cover can detect the equipment of the long stalk rate of offal fast, conveniently, accurately, improve the automaticity that the long stalk rate of offal detects greatly; Reduce personal error, can true, accurately reflect long stalk rate to objectively respond or estimate tobacco stalk quality.
Description of drawings
The utility model further specifies below in conjunction with accompanying drawing:
Fig. 1 is the device structure synoptic diagram of the utility model.
Among Fig. 1: 1, one-level vibratory screening apparatus, 2, the limit flitch, 3, secondary vibration sieve, 4, two-dimentional blanking channel, 5, led light source, 6, the window of taking pictures, 7, linear array CCD camera, 8, data line, 9, computer platform.
Specific embodiments
The utility model is applicable to that the equipment of the long stalk rate of image analytical method mensuration offal comprises dispersion laying device, image collecting device and image processing and analyzing statistical system; The utility model image processing and analyzing software can use image measurement management software UV (sale of Shanghai optical instrument six Beijing business departments of factory), perhaps uses the MATLAB image processing techniques or uses the software that other can analysis to measure length.
Wherein disperse laying device to become by the screen banks of two-stage vibration up and down that is horizontal arrangement of series connection; The limit flitch (2) that is used to control the offal flow and offal is made thinner is installed in the one-level vibratory screening apparatus (1); The frequency of secondary vibration sieve (3) is greater than one-level vibratory screening apparatus (1); Through the velocity contrast of one-level vibratory screening apparatus (1) and secondary vibration sieve (3), realize the dispersion stone between the offal;
Wherein image collecting device comprises two-dimentional blanking channel (4), two led light sources (5), linear array CCD camera (7) and data line (8); Wherein two-dimentional blanking channel (4) joins with secondary vibration sieve (3) and is 90 ° of settings; Two dimension blanking channel (4) one sides offer the window of taking pictures (6); Linear array CCD camera (7) is provided with over against the window of taking pictures (6); Two led light sources (5) are installed in two positions up and down of the window of taking pictures (6) respectively; In the face of two-dimentional blanking channel (4) madial wall of window (6) of taking pictures is opaque material and posts antireflection film, other three sidewalls are transparent material, and every frame offal digital picture of collection is given the image processing and analyzing system through data line (8) real-time Transmission;
Said image processing and analyzing statistical system comprises computer hardware platforms (9) and image processing and analyzing software; The offal digital picture is transferred to computing machine through data line (8) and preserves; Image analysis software reads every frame offal digital picture and carries out Treatment Analysis, calculates the length of every offal in the digital picture, distinguishes the above and following offal of 20mm; And add up respectively, last statistical computation goes out the long stalk rate of offal.
Two dimension blanking channel (4) width is slightly larger than secondary vibration sieve (3), and thickness is 20mm.
The mesh diameter of one-level vibratory screening apparatus (1) and secondary vibration sieve (3) is 2.36mm.
The width of two dimension blanking channel (4) xsect is rectangular rectangle greater than thickness, and offal is two-dimensional state through blanking channel, is formed in said two dimension in the industry, so be called two-dimentional blanking channel.
Said two-dimentional blanking channel (4) thickness is 20mm, and width is greater than the width 500mm of secondary vibration sieve (3).
Every offal length in the said calculating digital picture is to adopt the minimum boundary rectangle that calculates every offal, and wherein the length on the long limit of rectangle is exactly the length of this offal, and the long edge lengths of every of recording offal rectangle then is the length of every offal.
As shown in the figure: the equipment that is applicable to the long stalk rate of image analytical method mensuration offal; Comprise and disperse stone system, image capturing system and image processing and analyzing system; Said dispersion stone system is become by the two-stage vibration screen banks that is horizontal arrangement of series connection, and the mesh diameter of two-stage vibration sieve is 2.36mm.The limit flitch (2) that is used to control the offal flow and offal is made thinner is installed on the one-level vibratory screening apparatus (1), and the frequency of secondary vibration sieve (3) realizes the dispersion between the offal greater than one-level through the velocity contrast of I and II; Said image capturing system comprises two-dimentional blanking channel (4), two led light sources (5), linear array CCD camera (7) and data line (8); Wherein two-dimentional blanking channel (4) joins with secondary vibration sieve (3) and is 90 ° of settings; Two dimension blanking channel (4) width is slightly larger than secondary vibration sieve (3), and thickness is 20mm.Two dimension blanking channel (4) one sides offer the window of taking pictures (6); Linear array CCD camera (7) is provided with over against the window of taking pictures (6); Article two, led light source (5) is installed in the upper-lower position of the window of taking pictures (6) respectively; In the face of the blanking channel madial wall of window of taking pictures is opaque material and posts antireflection film, other three sidewalls are transparent material, and the offal image is given the image processing and analyzing system through data line (8) real-time Transmission; Said image processing and analyzing system comprises computer platform (9) and image processing and analyzing software; The offal image is transferred to computing machine through data line and preserves; Image analysis software reads every frame offal image and carries out Treatment Analysis, calculates the length of every offal in the digital picture, and distinguishes the above and following offal number of 20mm; And add up respectively, calculate the long stalk rate of offal at last.
In the utility model, said two-dimentional blanking channel 4 width are slightly larger than secondary vibration sieve 3, and thickness is 20mm.The mesh diameter of two- stage vibration sieve 1,3 is 2.36mm.
Embodiment:
Get certain trade mark offal 250g as test offal sample.Open all devices of testing apparatus, earlier the offal sample is inverted in the left end of one-level vibratory screening apparatus 1, the offal sample moves forward under the effect of vibratory screening apparatus, when offal process limit flitch 2, is evenly made thinner, and reduces the overlapping phenomenon between the offal.Offal is separated basically when offal moves to one-level vibratory screening apparatus 1 afterbody.Because the speed of secondary vibration sieve 3 is fast than one-level vibratory screening apparatus 1; Before and after fall offal in the secondary vibration sieve 3 because of velocity contrast, the distance between each offal is further widened, in addition the effect of secondary vibration sieve; When offal reaches secondary vibration and sieves 3 afterbodys, scatter fully.Offal falls the back from secondary vibration sieve 3 and gets into two-dimentional blanking channel 4; The image of offal when taking pictures window 6 gathered by linear array CCD camera 7; Under the irradiation of two led light sources 5 up and down; Eliminated the shade of every offal fully, every offal length image's authenticity to guarantee to be used to calculate reduces the measuring error that shade produces.The digital picture of taking offal is real-time transmitted to computer platform 9 and preservation through data line 8.On computer platform 9, image processing and analyzing software is handled and is analyzed every offal digital picture, calculates the length of each root offal, finally calculates to such an extent that the long stalk rate of this test offal sample is 83.6%.

Claims (5)

1. one kind is applicable to that image analytical method measures the equipment of the long stalk rate of offal, it is characterized in that: comprise dispersion laying device, image collecting device and image processing and analyzing statistical system,
Wherein disperse laying device to become by the screen banks of two-stage vibration up and down that is horizontal arrangement of series connection; The limit flitch (2) that is used to control the offal flow and offal is made thinner is installed in the one-level vibratory screening apparatus (1); The frequency of secondary vibration sieve (3) is greater than one-level vibratory screening apparatus (1); Through the velocity contrast of one-level vibratory screening apparatus (1) and secondary vibration sieve (3), realize the dispersion stone between the offal;
Wherein image collecting device comprises two-dimentional blanking channel (4), two led light sources (5), linear array CCD camera (7) and data line (8); Wherein two-dimentional blanking channel (4) joins with secondary vibration sieve (3) and is 90 ° of settings; Two dimension blanking channel (4) one sides offer the window of taking pictures (6); Linear array CCD camera (7) is provided with over against the window of taking pictures (6); Two led light sources (5) are installed in two positions up and down of the window of taking pictures (6) respectively, and two-dimentional blanking channel (4) madial wall of facing the window (6) of taking pictures is opaque material and posts antireflection film that other three sidewalls are transparent material; Every frame offal digital picture of gathering is given the image processing and analyzing statistical system through data line (8) real-time Transmission, and last statistical computation goes out the long stalk rate of offal.
2. the image analytical method that is applicable to according to claim 1 is measured the equipment of the long stalk rate of offal, and it is characterized in that: two-dimentional blanking channel (4) width is slightly larger than secondary vibration sieve (3), and thickness is 20mm.
3. the image analytical method that is applicable to according to claim 1 is measured the equipment of the long stalk rate of offal, it is characterized in that: the mesh diameter of one-level vibratory screening apparatus (1) and secondary vibration sieve (3) is 2.36mm.
4. the image analytical method that is applicable to according to claim 1 and 2 is measured the equipment of the long stalk rate of offal, and it is characterized in that: the width of two-dimentional blanking channel (4) xsect is rectangular rectangle greater than thickness.
5. the image analytical method that is applicable to according to claim 1 and 2 is measured the equipment of the long stalk rate of offal, and it is characterized in that: said two-dimentional blanking channel (4) thickness is 20mm, and width is greater than the width 500mm of secondary vibration sieve (3).
CN2011202483198U 2011-07-14 2011-07-14 Equipment suitable for measuring long tobacco stalk rate by image analysis method Withdrawn - After Issue CN202256164U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359962A (en) * 2011-07-14 2012-02-22 红塔烟草(集团)有限责任公司 Equipment for determining long tobacco stalk rate by using image analysis
CN103592304A (en) * 2013-10-23 2014-02-19 上海烟草集团有限责任公司 Stem object analysis system and stem object analysis method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102359962A (en) * 2011-07-14 2012-02-22 红塔烟草(集团)有限责任公司 Equipment for determining long tobacco stalk rate by using image analysis
CN102359962B (en) * 2011-07-14 2013-11-20 红塔烟草(集团)有限责任公司 Equipment for determining long tobacco stalk rate by using image analysis
CN103592304A (en) * 2013-10-23 2014-02-19 上海烟草集团有限责任公司 Stem object analysis system and stem object analysis method

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