CN103750551A - Method for analyzing laser drilling uniformity of cigarette filter on basis of electronic microscope image - Google Patents

Abstract

The invention discloses a method for analyzing the laser drilling uniformity of a cigarette filter on the basis of an electronic microscope image. The method comprises the steps of shooting a drilling image of a cigarette filter to be detected on a piece of tipping paper by utilizing an electronic microscope so as to obtain pixel values x1, x2, x3, x4,...,xn of each hole by utilizing an image processing tool, calculating an inter-hole pixel value uniformity coefficient as shown in description and a hole main pixel value, namely E=x1+x2+...+xn, on a piece of receiving paper of the cigarette filter to be detected; parallel measuring m cigarettes under the same condition to obtain the uniformity coefficient as shown in the description of the filter tips of the m cigarettes. By adopting the method, a feasible analysis method is provided for accurately judging the laser drilling uniformity of the cigarette filter, and an important significance on improvement of the production stability and the cigarette ventilation stability and improvement on the quality index of the cigarette can be realized.

Description

A kind of based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring

Technical field

The present invention relates to production of cigarettes manufacturing technology field, be specifically related to a kind of based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring.

Background technology

In cigarette industry, the performance of ventilating after the punching of cigarette tipping paper and filter tip has material impact to flavor quality of cigarette and burnt steady Jiao of control, is the important parameters of Cigarette design personnel while designing brand, is also the important indicator during cigarette quality detects.By stable roll cigarette filter tip degree of ventilation, can realize the quality control of cigarette product, reduce the fluctuation of product inherent quality, reduce product cost, reduce percent defective.Cigarette filter laser boring uniformity is significant to stablizing of cigarette ventilation performance, and the uniformity of laser boring is punched, the impact of the many factors such as number, pore size, pulse strength, does not also test the inhomogeneity method of cigarette filter laser boring at present.

Summary of the invention

Goal of the invention: for the deficiencies in the prior art, the object of this invention is to provide a kind of based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring, for accurately judging that cigarette filter laser boring uniformity provides a kind of feasible method, reliable technical parameter is provided and detects data.

Technical scheme: in order to realize foregoing invention object, the technical solution used in the present invention is:

Based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring, first by Electronic Speculum, take cigarette filter tip laser boring image to be measured, then with image handling implement, obtain the pixel value x in each hole of cigarette laser punching ₁, x ₂, x ₃, x ₄x _n, and calculate on cigarette filter tip tipping paper to be measured pixel value uniformity coefficient between hole

with the total pixel value E=x in hole ₁+ x ₂+ ... + x _n, then parallel testing m props up cigarette under the same conditions, obtains m and props up filter tip uniformity coefficient between cigarette $\mathrm{CUm}=1-\sqrt{\frac{{\mathrm{\Σ}(E-\stackrel{-}{E})}^2}{m-1}}/\stackrel{-}{E}.$

Specifically comprise the following steps:

1) cork paper through laser boring cigarette to be measured is cut into the scraps of paper of formed objects, by Electronic Speculum, amplifies 20～40 times and adjust image definition, obtain successively their image, and the shooting condition of each scraps of paper remains unchanged;

2) utilize image handling implement, obtain the pixel value x in each hole on the cigarette laser hole-punching huon pine scraps of paper ₁, x ₂, x ₃, x ₄x _n;

3) calculate on cigarette filter tip tipping paper to be measured pixel value uniformity coefficient between hole

with the total pixel value E=x in hole ₁+ x ₂+ ... + x _n;

4) under the same terms, parallel testing m props up cigarette, obtains m and props up filter tip uniformity coefficient between cigarette $\mathrm{CUm}=1-\sqrt{\frac{{\mathrm{\Σ}(E-\stackrel{-}{E})}^2}{m-1}}/\stackrel{-}{E}.$

Described image handling implement can adopt IPP(image pro plus) image processing software.

When image handling implement adopts IPP software, first open image, under recycling measure, HSI selects look, choose a representative picture and determine chromatic value, guarantee that institute is porosely all chosen completely, and by filtering function, get rid of and disturb, thereby count obtains selected porose pixel value x ₁, x ₂, x ₃, x ₄x _n.

Beneficial effect is: compared with prior art, the present invention provides a kind of feasible method for accurately judging cigarette filter laser boring uniformity, reliable technical parameter is provided and has detected data, to improvement of production process, production control process stability and cigarette ventilation stability, and it is all significant to improve cigarette quality index.

Accompanying drawing explanation

Fig. 1 is that the punching of cigarette filter tipping paper detects Electronic Speculum shooting figure;

Fig. 2 is that the punching of cigarette filter tipping paper detects IPP processing figure.

The specific embodiment

Below in conjunction with specific embodiment, the present invention is further illustrated.

Embodiment 1

Based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring, comprise the following steps:

1) will be through laser boring cigarette to be measured (ventilation rate 30%, several 26 holes of punching) filter tip tipping paper cuts into the scraps of paper (6mm * 8mm) of formed objects, every group of cigarette tipping scraps of paper are posted on Electronic Speculum objective table, regulate enlargement ratio (33 times) and definition, gather image-forming.Obtain successively their image, as shown in Figure 1, and the shooting condition of each scraps of paper remains unchanged.

2) utilize IPP image processing software opening steps 1) captured image, enter measure tools menu, at histogram basd, selecting HIS to regulate H and I is that 255, S is 170, all hole areas are completely selected, as Fig. 2; By filtering function, get rid of and disturb, thereby count obtains selected porose pixel value x ₁, x ₂, x ₃, x ₄x _n(x _nbe the pixel value in n hole, n is greater than 1 integer, lower same).

3) calculate total pixel value E=x in hole on cigarette filter tip tipping paper to be measured ₁+ x ₂+ ... + x _nwith hole pixel value uniformity coefficient

(n is single cigarette laser boring quantity, and x is the pixel value in each hole of single cigarette, and CU is pixel value uniformity coefficient between single cigarette hole, lower same).

4) 9 cigarette of parallel testing under the same terms, obtain filter tip uniformity coefficient between 9 cigarettes

(m is cigarette quantity, and E is the porose total pixel value of single cigarette, and CUm is that m props up the total pixel value uniformity coefficient of every cigarette of cigarette, lower same)

Result is as shown in table 1.

Filter tip uniformity coefficient CU result table between table 19 cigarette

From the data of table 1, between the hole area of single cigarette laser boring, uniformity is between 78.20%～84.85%, and between 9 cigarette, between the laser boring gross area, uniformity coefficient is 97.6%.

Embodiment 2

Based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring, comprise the following steps:

1) will be through laser boring cigarette to be measured (degree of ventilation 30%, several 22 holes of punching) filter tip tipping paper cuts into the scraps of paper (6mm * 8mm) of formed objects, every group of cigarette tipping scraps of paper are posted on Electronic Speculum objective table, regulate enlargement ratio (33 times) and definition, gather image-forming.Obtain successively their image, and the shooting condition of each scraps of paper remains unchanged.

2) utilize IPP image processing software opening steps 1) captured image, enter measure tools menu, at histogram basd, selecting HIS to regulate H and I is that 255, S is 170, all hole areas are completely selected; By filtering function, get rid of and disturb, thereby count obtains selected porose pixel value x ₁, x ₂, x ₃, x ₄x _n.

3) calculate total pixel value E=x in hole on cigarette filter tip tipping paper to be measured ₁+ x ₂+ ... + x _nwith hole pixel value uniformity coefficient $\mathrm{CU}=1-\sqrt{\frac{{\mathrm{\Σ}(x-\stackrel{-}{x})}^2}{n-1}}/\stackrel{-}{x}.$

4) 9 cigarette of parallel testing under the same terms, obtain filter tip uniformity coefficient between 9 cigarettes $\mathrm{CUm}=1-\sqrt{\frac{{\mathrm{\Σ}(E-\stackrel{-}{E})}^2}{m-1}}/\stackrel{-}{E}.$

Result is as shown in table 2.

Filter tip uniformity coefficient result between table 29 cigarette

From the data of table 2, between the hole area of single cigarette laser boring, uniformity is between 84.70%～89.30%, and between 9 cigarette, between the laser boring gross area, uniformity coefficient is 94.1%.

Claims (4)

1. based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring, it is characterized in that, first by Electronic Speculum, take cigarette filter tip laser boring image to be measured, then with image handling implement, obtain the pixel value x in each hole of cigarette laser punching ₁, x ₂, x ₃, x ₄x _n, and calculate on cigarette filter tip tipping paper to be measured pixel value uniformity coefficient between hole

with the total pixel value E=x in hole ₁+ x ₂+ ... + x _n; Then parallel testing m props up cigarette under the same conditions, obtains m and props up filter tip uniformity coefficient between cigarette

2. according to claim 1ly based on the inhomogeneity method of sem image analysis of cigarette filter tip laser boring, it is characterized in that, specifically comprise the following steps:

1) cork paper through laser boring cigarette to be measured is cut into the scraps of paper of formed objects, by Electronic Speculum, amplifies 20～40 times and adjust image definition, obtain successively their image, and the shooting condition of each scraps of paper remains unchanged;

2) utilize image handling implement, obtain the pixel value x in each hole on the cigarette laser hole-punching huon pine scraps of paper ₁, x ₂, x ₃, x ₄x _n;

3) calculate on cigarette filter tip tipping paper to be measured pixel value uniformity coefficient between hole

with the total pixel value E=x in hole ₁+ x ₂+ ... + x _n;

4) under the same terms, parallel testing m props up cigarette, obtains m and props up filter tip uniformity coefficient between cigarette $\mathrm{CUm}=1-\sqrt{\frac{{\mathrm{\Σ}(E-\stackrel{-}{E})}^2}{m-1}}/\stackrel{-}{E}.$

3. the assay method of cigarette filter tip degree of ventilation stability according to claim 1 and 2, is characterized in that, described image handling implement is IPP image processing software.

4. the assay method of cigarette filter tip degree of ventilation stability according to claim 3, it is characterized in that, when image handling implement adopts IPP software, first open image, under recycling measure, HSI selects look, chooses a representative picture and determines chromatic value, guarantee that institute porosely all chooses completely, and by filtering function, get rid of and disturb, thereby the selected porose pixel value x that count obtains ₁, x ₂, x ₃, x ₄x _n.

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