CN103322929A - Cut rolled stem thickness testing method based on IPP image analyzing technique - Google Patents
Cut rolled stem thickness testing method based on IPP image analyzing technique Download PDFInfo
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- CN103322929A CN103322929A CN2013102653737A CN201310265373A CN103322929A CN 103322929 A CN103322929 A CN 103322929A CN 2013102653737 A CN2013102653737 A CN 2013102653737A CN 201310265373 A CN201310265373 A CN 201310265373A CN 103322929 A CN103322929 A CN 103322929A
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Abstract
A testing method can be finished through a cut rolled stem thickness device and comprises the steps of pressing a control handle downwards, lifting up a weight pressing block, flatly placing a cut rolled stem on a base plate, enabling the portion, with the largest length, of the cut rolled stem to be aligned at the edge of the base plate, loosening the control handle, putting the weight pressing block down, enabling the weight pressing block to tightly press the cut rolled stem, placing a quantitative weight required by the testing condition on the weight pressing block, loosening a fastening nut of a cutter, pressing a handle downwards, cutting off the redundant cut rolled stem exposed out of the base plate, lifting up the cutter to the upper portion of a lateral vertical plate, using the fastening nut to fix the cutter, keeping a camera of an image collecting tool to be leveled with the cut rolled stem, using the section of the cut rolled stem as the focus to collect images, using Image-Pro Plus software to analyze images which are processed, and calculating to obtain the thickness of the cut rolled stem according to a formula. The testing method has significance in cut rolled stem thickness testing accuracy and reliability in cigarette enterprises, assessment on cut rolled stem processing quality and processing strength, stability of a stem cutting machine and running parameter reliability.
Description
Technical field
The present invention relates to cigarette product quality monitoring field, especially in the stem process, the method for supervising of product quality, specifically a kind of method of measuring stem thickness based on the IPP image analysis technology.
Background technology
Stem thickness is an important indicator that affects stem physical and chemical quality and aesthetic quality, in the production of cigarettes process of tobacco business, and in the quality testing of cigarette product, the detection of stem thickness all is important link, it has clearly reflected the quality control situation of offal in process, has also reflected the process control level of filament cutter.
China's tobacco business is not temporarily measured the standard method of stem thickness at present.Traditional stem thickness detecting method is to adopt thicknessmeter or vernier caliper measurement, calculates the mean value of stem thickness, because stem thickness only is 0.12～0.18mm, and the deformation difference that produces under different pressures is larger, so measuring error is larger; CN102162721B discloses a kind of stem apparatus for measuring thickness and method based on the digitized video technology, but its pressure of providing of device medi-spring can't accurate-metering, also cannot carry out free adjustment according to the needs of condition determination, and the size of pressure directly affects the measurement result of stem thickness, so this device is not suitable for the mensuration of stem thickness under the requirement of different basis weights pressure, and the requirement of quantitative pressure is all arranged at present in the tobacco business in the testing conditions of material thickness assay method; And the method is subjected to the impact of stem broken edge, and the image of collection can not objectively respond the actual conditions of stem to be measured, and measurement result can not accurately characterize the thickness of stem to be measured.
CN102854135A discloses the method for utilizing image analysis technology to measure blade degree of unfolding, present image processing techniques, can't eliminate the impact of the background noise that the photography conditions such as shade, illumination cause, and when image analyzed, in the binary conversion treatment process, can't accurately determine the threshold value of background noise, adopt manually set more, difference background noise that can not science and the nuance of effective image, impact analysis result's accuracy.
Based on this, the present invention is intended to utilize the adjustable controlled device of a kind of pressure, gathers the stem image after the stem edge is carried out smooth processing, utilizes brand-new image analysis technology, automatically eliminates background noise, guarantees accuracy and the reappearance of stem thickness measurement.Use this apparatus and method, satisfy the mensuration requirement of stem thickness under the different pressures condition, realize the standardization of condition determination, accurately reflect the quality control situation of offal in process and the process control level of filament cutter.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of method of measuring stem thickness based on the IPP image analysis technology, has realized the automatic elimination of background noise, guarantees the standardization of stem thickness measurement and accuracy and the reappearance of measurement result.
The technical solution used in the present invention provides a kind of method of measuring stem thickness based on the IPP image processing techniques, described assay method is to finish by the device of measuring stem thickness, the device of described mensuration stem thickness comprises support, cutting knife and pressure control assembly, described support comprises the chassis and stands on the stand of chassis opposite end, and described stand is hollow structure; Described cutting knife comprise blade with press down handle, press down the top that handle is packed in blade, the cutting knife two ends are connected with stand with clamp nut by sliding sleeve; Described pressure control assembly comprises that joystick reaches the weight briquetting that is connected with described joystick by connecting rod and the quantitative counterweight that is placed on the different quality on the weight briquetting, described connecting rod places the inside of stand hollow, the weight briquetting lifts when pressing joystick, and described weight briquetting middle part is shaped with the colour band of known width; The method of utilizing the device of said determination stem thickness to carry out the IPP graphical analysis comprises following concrete steps:
1) press down joystick, lift the weight briquetting, stem is lain against on the chassis, stem maximum length part is alignd with chassis edge;
2) release on control handle puts down the weight briquetting, makes the weight briquetting compress stem;
3) place quantitative counterweight at the weight briquetting, and quantitatively counterweight be positioned at stem to be measured directly over;
4) unclamp the clamp nut of cutting knife, press down handle, the unnecessary stem on chassis is exposed in excision;
5) mention cutting knife to stand top, and use the clamp nut fixed cutting tool;
6) acquisition port and the stem with the image acquisition instrument keeps level, and take stem as focus, gathers image;
7) use image processing software that the image that gathers is cut, choose image take the stem two ends as the border;
8) the imagery exploitation Image-Pro Plus software after will choosing is processed, and cuts apart background image and foreground image, calculates respectively the area of foreground image Plays colour band and stem image;
9) calculate stem thickness (mm), formula is:
In the formula: h
i-the i time stem thickness (mm);
h
0Colour band width (mm) in-fixed weight briquetting;
x
iThe stem area characterization value (pixel) of measuring in the image for-the i time;
x
0The colour band area characterization value (pixel) of measuring in the image for-the i time.
Said method must be used in conjunction with the specific device of the present invention, could solve accuracy and the reappearance difficult problem of stem thickness measurement in the present cigarette enterprise.
Preferably, described quantitative counterweight is at least one.
Preferably, the stand bottom is provided with cutting knife whereabouts neonychium.
Preferably, described cutting knife is vertically mobile along stand by sliding sleeve, and when sliding into corresponding position, then the clamp nut by two ends is fixed tightly in the stand.
Preferably, quantitative counterweight can increase and decrease according to the requirement of different condition determinations described in the step 3).
Preferably, the image that gathers described in the step 6) is the image of stem maximum length partial cross section.
Preferably, the image that gathers described in the step 6) need carry out pre-service, chooses effective image take the stem two ends as the border.
Preferably, the pixel value of the described standard colour band of step 8) and stem area directly calculates by Image-Pro Plus software.
Preferably, described colour band width is 1.0mm.
Effect of the present invention is accuracy and a reappearance difficult problem that has solved stem thickness measurement in the present cigarette enterprise, for Accurate Determining stem thickness provides a kind of feasible method, significant with processing intensity, control stem process stability and rationality for estimating the stem crudy.
Description of drawings
Fig. 1 is the device schematic diagram of measuring stem thickness.
1-chassis wherein, the 2-stand, 3-weight briquetting, the 4-joystick, the 5-blade, 6-presses down handle, 7-clamp nut, 8-cutting knife neonychium, 9-colour band.
Embodiment
Below in conjunction with drawings and Examples the present invention further is illustrated.
As shown in Figure 1, press down joystick 4, lift weight briquetting 3, stem is lain against on the chassis 1, stem maximum length part is alignd with the cutting knife perpendicular direction and with chassis edge, release on control handle 4 puts down weight briquetting 3, makes weight briquetting 3 compress stem, weight briquetting quality is 200g, then the quantitative counterweight that 300g and 500g is heavy is each one piece, place on the weight briquetting, and be positioned at stem directly over; Unclamp the clamp nut 7 of cutting knife, press downwards and press down handle 6, cutting knife glides along stand, slide to the chassis, the unnecessary stem on chassis is exposed in excision, at this moment can obtain the section that is sent in the stem maximum length, when cutting off stem, cutting knife neonychium 8 can prevent from damaging cutting knife when cutting knife from gliding, and mentions cutting knife after the cutting to stand 2 tops, and with clamp nut 7 fixed cutting tools; Acquisition port and the stem of image acquisition instrument are kept level, and take the stem section as focus, gather the image of stem section.
Use the PHOTOSHOP image processing software, choose effective image take stem image two ends as the border, the effective image of choosing is imported in the Image-Pro Plus software, selecting " to image width " in " select measurement " menu is analysis result, utilize HSI image segmentation pattern, carry out image segmentation, carrying out AOI selects, " measure " instrument of click, set small noise filtering condition, return " count/size " window, check the analysis data, draw the thickness of this stem according to computing formula.Repeat above-mentioned steps, measure the in addition thickness of 8 stems, calculating mean value draws the thickness of stem to be measured, the results are shown in Table one.
The thickness that stem processing is set is 0.16mm, and mean value and standard deviation from table one learn, the stem crudy of this production batch meets technological requirement, and the stem process is stablized.
Table one stem thickness measurement value
Claims (9)
1. method of measuring stem thickness based on the IPP image analysis technology, it is characterized in that: described assay method is to finish by the device of measuring stem thickness, the device of described mensuration stem thickness comprises: support, cutting knife and pressure control assembly, described support comprises the chassis and stands on the stand of chassis opposite end, and described stand is hollow structure; Described cutting knife comprise blade with press down handle, press down the top that handle is packed in blade, the cutting knife two ends are connected with stand with clamp nut by sliding sleeve; Described pressure control assembly comprises that joystick reaches the weight briquetting that is connected with described joystick by connecting rod and the quantitative counterweight that is placed on the different quality on the weight briquetting, described connecting rod places the inside of stand hollow, the weight briquetting lifts when pressing joystick, and described weight briquetting middle part is shaped with the colour band of known width; The method of utilizing the device of said determination stem thickness to carry out the IPP graphical analysis comprises following concrete steps:
1) press down joystick, lift the weight briquetting, stem is lain against on the chassis, stem maximum length part is alignd with chassis edge;
2) release on control handle puts down the weight briquetting, makes the weight briquetting compress stem;
3) place quantitative counterweight at the weight briquetting, and quantitatively counterweight be positioned at stem to be measured directly over;
4) unclamp the clamp nut of cutting knife, press down handle, the unnecessary stem on chassis is exposed in excision;
5) mention cutting knife to stand top, and use the clamp nut fixed cutting tool;
6) acquisition port and the stem with the image acquisition instrument keeps level, and take stem as focus, gathers image;
7) use image processing software that the image that gathers is cut, choose image take the stem two ends as the border;
8) the imagery exploitation Image-Pro Plus software after will choosing is processed, and cuts apart background image and foreground image, calculates respectively the area of foreground image Plays colour band and stem image;
9) calculating the stem thickness formula is:
In the formula: h
iThe stem thickness (mm) of measuring for-the i time;
h
0Colour band width (mm) in-fixed weight briquetting;
x
iThe stem area characterization value (pixel) of measuring in the image for-the i time;
x
0Colour band area and the characterization value (pixel) measured in the image for-the i time.
2. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: described quantitative counterweight is at least one.
3. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: the stand bottom is provided with cutting knife whereabouts neonychium.
4. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: described cutting knife is vertically mobile along stand by sliding sleeve, and when sliding into corresponding position, then the clamp nut by two ends is fixed tightly in the stand.
5. the method for measuring stem thickness based on image analytical method according to claim 1 is characterized in that: described in the step 3) quantitatively counterweight can increase and decrease according to the requirement of different condition determinations.
6. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: the image that gathers described in the step 6) is the image of stem maximum length partial cross section.
7. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: the image that gathers described in the step 6) need carry out pre-service, chooses effective image take the stem two ends as the border.
8. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: the pixel value of the described standard colour band of step 8) and stem area directly calculates by Image-Pro Plus software.
9. the method for measuring stem thickness based on image analytical method according to claim 1, it is characterized in that: described colour band width is 1.0mm.
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| CN201310265373.7A CN103322929B (en) | 2013-06-27 | 2013-06-27 | A kind of method measuring stem thickness based on IPP image analysis technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105466934A (en) * | 2015-12-31 | 2016-04-06 | 河南中烟工业有限责任公司 | Tobacco stem expansion rate measuring system and method based on image processing |
| CN112526114A (en) * | 2020-12-11 | 2021-03-19 | 上海国玻汽车科技有限公司 | Method for detecting dispersion degree of glass fibers for automobile noise reduction |
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| CN105466934A (en) * | 2015-12-31 | 2016-04-06 | 河南中烟工业有限责任公司 | Tobacco stem expansion rate measuring system and method based on image processing |
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| CN112526114A (en) * | 2020-12-11 | 2021-03-19 | 上海国玻汽车科技有限公司 | Method for detecting dispersion degree of glass fibers for automobile noise reduction |
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| CN103322929B (en) | 2016-04-13 |
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