CN103335948B - Intensity of press marks on cigarette paper measurement mechanism and method - Google Patents
Intensity of press marks on cigarette paper measurement mechanism and method Download PDFInfo
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- CN103335948B CN103335948B CN201310213333.8A CN201310213333A CN103335948B CN 103335948 B CN103335948 B CN 103335948B CN 201310213333 A CN201310213333 A CN 201310213333A CN 103335948 B CN103335948 B CN 103335948B
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Abstract
The invention discloses a kind of intensity of press marks on cigarette paper measurement mechanism and method, include test desk, casing, test desk includes base, one end of base is vertically provided with elevating lever, guide post, elevating lever, guide post has set up casing jointly, in casing, be fixed with camera support, on camera support, be fixed with CCD camera, the camera lens of CCD camera is towards the bottom of casing, bottom of shell hollows out and is equipped with LED light source, under being positioned at the middle part of LED light source on base, be provided with round tray, round tray is fixed on the middle part of a connecting rod, one end of connecting rod is fixed on the casing back side, the other end of connecting rod is connected with lever by spring, lever control connection bar moves up and down, the attached movement of round tray on connecting rod, CCD camera connects computer, is built-in with image process and analysis algorithm software in computer. the measurement that the present invention is intensity of press marks on cigarette paper provides a kind of new measurement means, and automaticity is high, human error is little.
Description
Technical field
The present invention relates to cigarette paper detection field, be specifically related to a kind of intensity of press marks on cigarette paper measurement mechanism and method.
Background technology
Cigarette paper, in process, due to the mechanism of crowned roll and watermark laid dandy, impresses out striped clearly, and the concavo-convex degree of impression of this striped is referred to as rib-loop intensity or the rib-loop degree of depth. Rib-loop intensity is the important appearance index of cigarette paper, not only reflects the tensile property of cigarette paper, also the production technologies such as wet end furnish is had to directive significance, has become the required Inspection Index of cigarette paper manufacturing enterprise. Rib-loop intensity detection is mainly investigated the gray difference of He Fei embossed areas, cigarette paper embossed areas, and this patent, based on computer vision technique, proposes a kind of intensity of press marks on cigarette paper measuring method and device.
MP3000 type import detector is the printed matter intensity multimeter of current main flow, and the detection of using it for intensity of press marks on cigarette paper is not pointed. Find through experiment, this instrument adopts one-sided CFL lighting to cause detection zone uneven illumination, affects measurement result, and easily decay after long-time use, and therefore MP3000 type detector exists certain defect.
Summary of the invention
The object of this invention is to provide a kind of intensity of press marks on cigarette paper measurement mechanism and method, the method is utilized computer vision technique, by gathering cigarette paper image, through necessary image pretreatment and graphical analysis, from cigarette paper image, analyze and draw the gray difference of He Fei embossed areas, embossed areas, thereby realize the measurement of rib-loop intensity.
Computer vision technique of the present invention, mainly comprises computer technology, digital imaging technology, image processing techniques, image analysis technology and image measurement technology. This technology is by the testing image of input, and a series of processing processing of process, and information extraction, export the interested information of user, to reach measurement object, has intellectuality, efficiency advantages of higher. When this technology detects for intensity of press marks on cigarette paper, without human intervention, can automatically realize quick, the Measurement accuracy of rib-loop intensity, solve the practical problem in cigarette paper appearance quality detection.
The technical solution used in the present invention is:
A kind of intensity of press marks on cigarette paper measurement mechanism, it is characterized in that: include test desk, casing, described test desk includes base, one end of base is vertically provided with elevating lever, guide post, elevating lever, guide post has set up casing jointly, in casing, be fixed with camera support, on camera support, be fixed with CCD camera, the camera lens of CCD camera is towards the bottom of casing, bottom of shell hollows out and is equipped with LED light source, under being positioned at the middle part of LED light source on base, be provided with round tray, round tray is fixed on the middle part of a connecting rod, one end of connecting rod is fixed on the casing back side, the other end of connecting rod is connected with lever by spring, lever control connection bar moves up and down, the attached movement of round tray on connecting rod, ensure the circular visual field seamless adhesion of sample and casing below, avoid extraneous light to disturb, CCD camera connects computer, is built-in with image process and analysis algorithm software in computer.
Described a kind of intensity of press marks on cigarette paper measurement mechanism, is characterized in that: described casing is provided with gauge tap, the power supply of the each device of gauge tap control and the switch of LED light source.
Described a kind of intensity of press marks on cigarette paper measurement mechanism, is characterized in that: described connecting rod is connected by steady pin with the casing back side.
Described a kind of intensity of press marks on cigarette paper measurement mechanism, is characterized in that: described casing is parcel metal shell of whole measurement mechanism except base, for detection system provides the luminous environment of sealing.
Based on a measuring method for intensity of press marks on cigarette paper measurement mechanism, it is characterized in that, include following steps:
(1) start intensity of press marks on cigarette paper measurement mechanism, open LED light source;
(2) push handle, is put in cigarette paper to be measured on round tray, the tight cigarette paper to be measured of unclamp operation spindle clamp;
(3) the image process and analysis algorithm software in operation computer, starts to measure;
(4) cigarette paper to be measured obtains uniform illumination condition the visual field district of the camera lens to CCD camera just under specific lighting environment, by CCD camera imaging, obtains the consistent cigarette paper image of brightness;
(5) cigarette paper image uploading, to computer, obtains rib-loop intensity level after the image process and analysis algorithm software automatic acquisition cigarette paper image to be measured in computer Treatment Analysis; The concrete handling process of image process and analysis algorithm software is as follows:
1) through necessary image pretreatment, the noise in image is removed, utilized the necessary methods such as filtering to repair the fuzzy edge of images, obtain image after processing that quality is higher;
2) image is carried out to image conversion, determine the rib-loop direction that cigarette paper to be measured is final;
3) by above-mentioned image through spin matrix processing, make rib-loop perpendicular to horizontal direction;
4) get rotation after every column mean of image project in one dimension reference axis, obtain the statistical Butut of rib-loop;
5) the corresponding embossed areas of the statistical Butut medium wave peak of rib-loop, the corresponding non-embossed areas of trough, removes after the spike of both sides, non-embossed areas, and You Liang district platform part represents each district average, calculates rib-loop intensity level, provides measurement result;
(6), after having measured, push handle, takes out cigarette paper sample, unclamp operation handle;
(7) close software, close LED light source and device power supply (DPS).
The present invention is by the optical transform of camera lens, the photosignal conversion of CCD camera, thus the digital picture of acquisition sample to be tested, and output. Apparatus of the present invention adopt the face battle array of ccd video camera to be of a size of 1/3 cun, the about 30mm of the length of side of imaging viewing field, and the operating distance of its camera lens is about 70mm, and focal length is about 35mm; In device, adopt constant-current LED annular light source, this light source is combined into polygon-octagonal by line source, and laid parallel is 8mm place directly over cigarette paper, for the cigarette paper test surfaces to camera lens just provides stable, uniform illuminating ray.
Operation principle of the present invention is as follows:
The size of the gray difference reflection rib-loop intensity of He Fei embossed areas, press marks on cigarette paper embossed areas, gray difference is less, and rib-loop intensity is less. By computer vision technique, gather cigarette paper image, utilize image conversion to identify rib-loop direction image rotating, to process post analysis through image and obtain rib-loop distribution map, peak valley average in statistical chart, can obtain rib-loop intensity size by formula.
Beneficial effect of the present invention is:
The measurement that the present invention is intensity of press marks on cigarette paper provides a kind of new measurement means, and automaticity is high, human error is little.
Brief description of the drawings
Fig. 1 is image process and analysis algorithm flow chart of the present invention.
Fig. 2 is the overall structure schematic diagram of measurement mechanism of the present invention.
Fig. 3 is the structural representation of test desk in measurement mechanism of the present invention.
Detailed description of the invention
The present invention is further described below with reference to embodiment (accompanying drawing). These embodiment only for the present invention is described for limiting the scope of the invention. In addition should be understood that those skilled in the art can do various changes and amendment to the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's claims limited range equally.
As shown in Figure 2,3. a kind of intensity of press marks on cigarette paper measurement mechanism, include test desk 7, casing 2, test desk 7 includes base 7-1, one end of base 7-1 is vertically provided with elevating lever 7-7, guide post 7-8, elevating lever 7-7, guide post 7-8 has set up casing 2 jointly, in casing 2, be fixed with camera support 1, on camera support 1, be fixed with CCD camera 3, the camera lens 4 of CCD camera 3 is towards the bottom of casing 2, casing 2 bottoms hollow out and are equipped with LED light source 5, under being positioned at the middle part of LED light source 5 on base 7-1, be provided with round tray 7-5, round tray 7-5 is fixed on the middle part of a connecting rod 7-4, one end of connecting rod 7-4 is fixed on casing 2 back sides, the other end of connecting rod 7-4 is connected with lever 7-2 by spring 7-3, lever 7-2 control connection bar 7-4 moves up and down, the attached movement of round tray 7-5 on connecting rod 7-4, ensure the circular visual field seamless adhesion of sample and casing below, avoid extraneous light to disturb, CCD camera 3 connects computer, is built-in with image process and analysis algorithm software in computer.
Casing 2 is provided with gauge tap 6, and gauge tap 6 is controlled the power supply of each device and the switch of LED light source.
Connecting rod 7-4 is connected by steady pin 7-6 with casing 2 back sides.
Casing 2 is parcel metal shells of whole measurement mechanism except base, for detection system provides the luminous environment of sealing.
Based on a measuring method for intensity of press marks on cigarette paper measurement mechanism, include following steps:
(1) start intensity of press marks on cigarette paper measurement mechanism, open LED light source 5;
(2) push handle 7-2, is put in round tray 7-5 by cigarette paper to be measured upper, and unclamp operation handle 7-2 clamps cigarette paper to be measured;
(3) the image process and analysis algorithm software in operation computer, starts to measure;
(4) cigarette paper to be measured obtains uniform illumination condition the visual field district of the camera lens to CCD camera just under specific lighting environment, by CCD camera imaging, obtains the consistent cigarette paper image of brightness;
(5) cigarette paper image uploading, to computer, obtains rib-loop intensity level after the image process and analysis algorithm software automatic acquisition cigarette paper image to be measured in computer Treatment Analysis; As Fig. 1, the concrete handling process of image process and analysis algorithm software is as follows:
1) through necessary image pretreatment, the noise in image is removed, utilized the necessary methods such as filtering to repair the fuzzy edge of images, obtain image after processing that quality is higher;
2) image is carried out to image conversion, determine the rib-loop direction that cigarette paper to be measured is final;
3) by above-mentioned image through spin matrix processing, make rib-loop perpendicular to horizontal direction;
4) get rotation after every column mean of image project in one dimension reference axis, obtain the statistical Butut of rib-loop;
5) the corresponding embossed areas of the statistical Butut medium wave peak of rib-loop, the corresponding non-embossed areas of trough, removes after the spike of both sides, non-embossed areas, and You Liang district platform part represents each district average, calculates rib-loop intensity level, provides measurement result;
(6), after having measured, push handle 7-2, takes out cigarette paper sample, unclamp operation handle 7-2;
(7) close software, close LED light source and device power supply (DPS).
Claims (4)
1. an intensity of press marks on cigarette paper measurement mechanism, it is characterized in that: include test desk, casing, described test desk includes base, one end of base is vertically provided with elevating lever, guide post, elevating lever, guide post has set up casing jointly, in casing, be fixed with camera support, on camera support, be fixed with CCD camera, the camera lens of CCD camera is towards the bottom of casing, bottom of shell hollows out and is equipped with LED light source, this light source is combined into polygon-octagonal by line source, laid parallel is 8mm place directly over cigarette paper, under being positioned at the middle part of LED light source on base, be provided with round tray, cigarette paper is put on round tray, round tray is fixed on the middle part of a connecting rod, one end of connecting rod is fixed on the casing back side, the other end of connecting rod is connected with lever by spring, lever control connection bar moves up and down, the attached movement of round tray on connecting rod, CCD camera connects computer, is built-in with image process and analysis algorithm software in computer.
2. a kind of intensity of press marks on cigarette paper measurement mechanism according to claim 1, is characterized in that: described connecting rod is connected by steady pin with the casing back side.
3. a kind of intensity of press marks on cigarette paper measurement mechanism according to claim 1, is characterized in that: described casing is the metal shell of parcel whole measurement mechanism except base.
4. a measuring method for intensity of press marks on cigarette paper measurement mechanism claimed in claim 1, is characterized in that, includes following steps:
(1) start intensity of press marks on cigarette paper measurement mechanism, open LED light source;
(2) push handle, is put in cigarette paper to be measured on round tray, the tight cigarette paper to be measured of unclamp operation spindle clamp;
(3) the image process and analysis algorithm software in operation computer, starts to measure;
(4) cigarette paper to be measured obtains uniform illumination condition the visual field district of the camera lens to CCD camera just under specific lighting environment, by CCD camera imaging, obtains the consistent cigarette paper image of brightness;
(5) cigarette paper image uploading, to computer, obtains rib-loop intensity level after the image process and analysis algorithm software automatic acquisition cigarette paper image to be measured in computer Treatment Analysis; The concrete handling process of image process and analysis algorithm software is as follows:
1) through necessary image pretreatment, the noise in image is removed, utilized the method for filtering to repair the fuzzy edge of image, obtain image after processing that quality is higher;
2) image is carried out to image conversion, determine the rib-loop direction that cigarette paper to be measured is final;
3) by above-mentioned image through spin matrix processing, make rib-loop perpendicular to horizontal direction;
4) get rotation after every column mean of image project in one dimension reference axis, obtain the statistical Butut of rib-loop;
5) the corresponding embossed areas of the statistical Butut medium wave peak of rib-loop, the corresponding non-embossed areas of trough, removes after the spike of both sides, non-embossed areas, and You Liang district platform part represents each district average, calculates rib-loop intensity level, provides measurement result;
6), after having measured, push handle, takes out cigarette paper sample, unclamp operation handle;
7) close software, close LED light source and device power supply (DPS).
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| CN102519983A (en) * | 2011-12-27 | 2012-06-27 | 江南大学 | Method for detecting pressing mark of photovoltaic aluminum section on line |
| CN103018179A (en) * | 2012-12-11 | 2013-04-03 | 江苏大学 | Device and method for near-infrared polarization detection of crop water stress |
| CN103048266A (en) * | 2012-12-11 | 2013-04-17 | 江苏大学 | Automatic recognizing method and device for nitrogen phosphorus and potassium stress of protected tomatoes |
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| JP4577614B2 (en) * | 2005-08-09 | 2010-11-10 | 住友金属工業株式会社 | Method for inspecting non-metallic inclusions in steel and method for producing steel using the same |
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|---|---|---|---|---|
| CN101551230A (en) * | 2009-05-26 | 2009-10-07 | 上海理工大学 | Detecting device for resist-nailed seat of anastomat and detecting method thereof |
| CN102519983A (en) * | 2011-12-27 | 2012-06-27 | 江南大学 | Method for detecting pressing mark of photovoltaic aluminum section on line |
| CN103018179A (en) * | 2012-12-11 | 2013-04-03 | 江苏大学 | Device and method for near-infrared polarization detection of crop water stress |
| CN103048266A (en) * | 2012-12-11 | 2013-04-17 | 江苏大学 | Automatic recognizing method and device for nitrogen phosphorus and potassium stress of protected tomatoes |
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| 卷烟纸罗纹强度检测系统的设计;刘勇等;《中国造纸》;20081031;第27卷(第10期);期刊摘要、第52页右栏第1段至第54页右栏第1段，图1-3 * |
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