CN103322929B - A kind of method measuring stem thickness based on IPP image analysis technology - Google Patents
A kind of method measuring stem thickness based on IPP image analysis technology Download PDFInfo
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- CN103322929B CN103322929B CN201310265373.7A CN201310265373A CN103322929B CN 103322929 B CN103322929 B CN 103322929B CN 201310265373 A CN201310265373 A CN 201310265373A CN 103322929 B CN103322929 B CN 103322929B
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Abstract
This assay method is that the device by measuring stem thickness completes: press down joystick, lift weight briquetting, lain against by stem on chassis, stem maximum length part is alignd with chassis edge; Release on control handle, puts down weight briquetting, makes weight briquetting compress stem; Weight briquetting is placed the quantitative counterweight of pressure needed for condition determination; Unclamp the clamp nut of cutting knife, press down handle, the unnecessary stem on chassis is exposed in excision; Mention cutting knife to stand top, side, and use clamp nut fixed cutting tool; The camera of image acquisition instrument and stem are kept level, with stem section for focus, gathers image; Image-Pro is recycled after image is processed? Plus software carries out graphical analysis, obtains the thickness of stem according to formulae discovery.For accuracy and the reliability of stem thickness measurement in cigarette enterprise, evaluate stem crudy significant with processing intensity, filament cutter stability and operational factor rationality.
Description
Technical field
The present invention relates to cigarette product quality monitoring field, especially in stem process, the method for supervising of product quality, specifically a kind of method measuring stem thickness based on IPP image analysis technology.
Background technology
Stem thickness is the important indicator affecting 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 is all important link, it clearly reflects the quality control situation of offal in process, also reflects the process control level of filament cutter.
Current China tobacco business does not temporarily measure the standard method of stem thickness.Traditional stem thickness detecting method adopts thicknessmeter or vernier caliper measurement, calculates the mean value of stem thickness, and because stem thickness is only 0.12 ~ 0.18mm, and the deformation difference produced at various pressures is comparatively large, and therefore measuring error is larger; CN102162721B discloses a kind of stem apparatus for measuring thickness based on digital audio-effect processing and method, but the pressure that in its device, spring provides cannot accurate-metering, also free adjustment cannot be carried out 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 different basis weights pressure requirements, and at present in tobacco business material thickness assay method testing conditions in all have the requirement of quantitative pressure; And the method is by the impact of stem broken edge, and the image of collection can not objectively respond the actual conditions of stem to be measured, measurement result can not the thickness of accurate characterization stem to be measured.
CN102854135A discloses the method utilizing image analysis technology to measure blade degree of unfolding, current image processing techniques, the impact of the background noise that the photography conditions such as shade, illumination causes cannot be eliminated, and when image is analyzed, in binary conversion treatment process, accurately cannot determine the threshold value of background noise, adopt manually sets more, can not the difference background noise of science and the nuance of effective image, the accuracy of impact analysis result.
Based on this, the present invention is intended to the device utilizing a kind of pressure adjustable controlled, gathers stem image after carrying out smooth process to stem edge, utilizes brand-new image analysis technology, automatically eliminates background noise, ensures accuracy and the reappearance of stem thickness measurement.Apply this apparatus and method, meet the mensuration requirement of stem thickness under different pressures condition, realize the standardization of condition determination, accurately the reflection 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 is to provide a kind of method measuring stem thickness based on IPP image analysis technology, achieves the automatic elimination of background noise, ensures the standardization of stem thickness measurement and the accuracy of measurement result and reappearance.
The technical solution used in the present invention is to provide a kind of method measuring stem thickness based on IPP image processing techniques, described assay method is that the device by measuring stem thickness completes, the device of described mensuration stem thickness comprises support, cutting knife and pressure control assembly, described support comprises chassis and stands on the relative stand in two ends, chassis, and described stand is hollow structure; Described cutting knife comprises blade and presses down handle, and press down the top that handle is packed in blade, cutting knife two ends are connected with stand with clamp nut by sliding sleeve; Described pressure control assembly comprises joystick and the weight briquetting that is connected with described joystick by connecting rod and the quantitative counterweight being placed on the different quality on weight briquetting, described connecting rod is placed in the inside of stand hollow, during pressing joystick, weight briquetting lifts, and is shaped with the colour band of known width in the middle part of described weight briquetting; Utilize the device of said determination stem thickness to carry out the method for IPP graphical analysis, comprise following concrete steps:
1) press down joystick, lift weight briquetting, lain against by stem on chassis, stem maximum length part is alignd with chassis edge;
2) release on control handle, puts down weight briquetting, makes weight briquetting compress stem;
3) on weight briquetting, place quantitative counterweight, and quantitatively counterweight is positioned at directly over stem to be measured;
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 clamp nut fixed cutting tool;
6) acquisition port of image acquisition instrument and stem are kept level, and be focus with stem, gather image;
7) image processing software is used to cut, with stem two ends for choosing image in border the image gathered;
8) the imagery exploitation Image-ProPlus software after choosing is processed, segmentation background image and foreground image, calculate the area of foreground image Plays colour band and stem image respectively;
9) calculate stem thickness mm, formula is:
In formula: h
ithe stem thickness mm of-the i-th time;
H
0ribbon width mm in-fixed weight briquetting;
X
ithe stem area table value indicative measured in image for-the i-th time, stem area table value indicative is characterized by pixel;
X
0the colour band area table value indicative measured in image for-the i-th time, colour band area table value indicative is characterized by pixel.
Said method must and the specific device of the present invention with the use of, accuracy and the reappearance difficult problem of stem thickness measurement in current cigarette enterprise could be solved.
Preferably, described quantitative counterweight is at least one.
Preferably, stand bottom is provided with cutting knife whereabouts neonychium.
Preferably, described cutting knife, when sliding into corresponding position is then fixed tightly in stand by the clamp nut at two ends along stand vertically movement by sliding sleeve.
Preferably, step 3) described in quantitatively counterweight can increase and decrease according to the requirement of different condition determination.
Preferably, step 6) described in the image that gathers be the image of stem maximum length partial cross section.
Preferably, step 6) described in gather image need carry out pre-service, with stem two ends for choosing effective image in border.
Preferably, step 8) pixel value of described standard colour band and stem area directly calculated by Image-ProPlus software.
Preferably, described ribbon width is 1.0mm.
Effect of the present invention is the accuracy and the reappearance difficult problem that solve stem thickness measurement in current cigarette enterprise, for Accurate Determining stem thickness provides a kind of feasible method, significant with processing intensity, control stem process stability and rationality for evaluation stem crudy.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram measuring stem thickness.
Wherein 1-chassis, 2-stand, 3-weight briquetting, 4-joystick, 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 is illustrated further.
As shown in Figure 1, press down joystick 4, lift weight briquetting 3, stem is lain against on chassis 1, stem maximum length part is vertical with cutting knife direction and align with chassis edge, release on control handle 4, puts down weight briquetting 3, makes weight briquetting 3 compress stem, weight briquette quality is 200g, then by each for quantitative counterweight heavy for 300g and 500g one piece, be placed on weight briquetting, and be positioned at directly over stem; Unclamp the clamp nut 7 of cutting knife, downward pressing presses down handle 6, cutting knife glides along stand, slide to chassis, the unnecessary stem on chassis is exposed in excision, at this moment can obtain the section be sent in stem maximum length, when cutting off stem, damage cutting knife when cutting knife neonychium 8 can prevent cutting knife from gliding, mention cutting knife after cutting to stand 2 top, and with clamp nut 7 fixed cutting tool; The acquisition port of image acquisition instrument and stem are kept level, and with stem section for focus, gathers the image of stem section.
Use PHOTOSHOP image processing software, with stem image two ends for choosing effective image in border, the effective image chosen is imported in Image-ProPlus software, in " selectmeasurement " menu, select " to image width " to be analysis result, utilize HSI Iamge Segmentation pattern, carry out Iamge Segmentation, carry out AOI selection, " measure " instrument of click, set small noise filtering condition, return " count/size " window, check analysis data, draw the thickness of this stem according to computing formula.Repeat above-mentioned steps, measure the thickness of another 8 stems, calculating mean value, draw the thickness of stem to be measured, the results are shown in Table one.
The thickness of stem processing setting is 0.16mm, and the mean value from table one and standard deviation are learnt, the stem crudy of this production batch meets technological requirement, and stem process is stablized.
Table one stem thickness measurement
Claims (9)
1. one kind measures the method for stem thickness based on IPP image analysis technology, it is characterized in that: described assay method is that the device by measuring stem thickness completes, the device of described mensuration stem thickness comprises: support, cutting knife and pressure control assembly, described support comprises chassis and stands on the relative stand in two ends, chassis, and described stand is hollow structure; Described cutting knife comprises blade and presses down handle, and press down the top that handle is packed in blade, cutting knife two ends are connected with stand with clamp nut by sliding sleeve; Described pressure control assembly comprises joystick and the weight briquetting that is connected with described joystick by connecting rod and the quantitative counterweight being placed on the different quality on weight briquetting, described connecting rod is placed in the inside of stand hollow, during pressing joystick, weight briquetting lifts, and is shaped with the colour band of known width in the middle part of described weight briquetting; Utilize the device of said determination stem thickness to carry out the method for IPP graphical analysis, comprise following concrete steps:
1) press down joystick, lift weight briquetting, lain against by stem on chassis, stem maximum length part is alignd with chassis edge;
2) release on control handle, puts down weight briquetting, makes weight briquetting compress stem;
3) on weight briquetting, place quantitative counterweight, and quantitatively counterweight is positioned at directly over stem to be measured;
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 clamp nut fixed cutting tool;
6) acquisition port of image acquisition instrument and stem are kept level, and be focus with stem, gather image;
7) image processing software is used to cut, with stem two ends for choosing image in border the image gathered;
8) the imagery exploitation Image-ProPlus software after choosing is processed, segmentation background image and foreground image, calculate the area of foreground image Plays colour band and stem image respectively;
9) calculating stem thickness formula is:
In formula: h
ithe stem thickness mm measured for-the i-th time;
H
0ribbon width mm in-fixed weight briquetting;
X
ithe stem area table value indicative measured in image for-the i-th time, stem area table value indicative is characterized by pixel;
X
0the colour band area table value indicative measured in image for-the i-th time, colour band area table value indicative is characterized by pixel.
2. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: described quantitative counterweight is at least one.
3. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: stand bottom is provided with cutting knife whereabouts neonychium.
4. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: described cutting knife, when sliding into corresponding position is then fixed tightly in stand by the clamp nut at two ends along stand vertically movement by sliding sleeve.
5. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: step 3) described in quantitatively counterweight can increase and decrease according to the requirement of different condition determination.
6. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: step 6) described in the image that gathers be the image of stem maximum length partial cross section.
7. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: step 6) described in the image that gathers need carry out pre-service, with stem two ends for choosing effective image in border.
8. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: step 8) pixel value of described standard colour band and stem area directly calculated by Image-ProPlus software.
9. a kind of method measuring stem thickness based on IPP image analysis technology according to claim 1, is characterized in that: described ribbon width is 1.0mm.
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| CN105466934B (en) * | 2015-12-31 | 2018-05-22 | 河南中烟工业有限责任公司 | Cabo expansion rate measurement system and method based on image procossing |
| CN112526114B (en) * | 2020-12-11 | 2023-03-17 | 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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| CN201012526Y (en) * | 2007-02-09 | 2008-01-30 | 武汉诚信塑料机械制造有限公司 | Wood plastic granule forming machine |
| CN201633056U (en) * | 2010-01-12 | 2010-11-17 | 孔令勇 | Quick vegetable cutter |
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| US2769446A (en) * | 1952-06-14 | 1956-11-06 | Dank Hans | Tobacco openers for cigarette making machines |
| CN201012526Y (en) * | 2007-02-09 | 2008-01-30 | 武汉诚信塑料机械制造有限公司 | Wood plastic granule forming machine |
| CN201633056U (en) * | 2010-01-12 | 2010-11-17 | 孔令勇 | Quick vegetable cutter |
| CN102162721A (en) * | 2010-12-24 | 2011-08-24 | 中国科学院安徽光学精密机械研究所 | Device and method for testing thickness of cut stem based on digital imaging technology |
| CN102679883A (en) * | 2012-05-09 | 2012-09-19 | 中国科学院光电技术研究所 | Tobacco shred width measuring method based on image processing |
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