CN118032812A - Anti-counterfeiting ink printing defect detection method - Google Patents
Anti-counterfeiting ink printing defect detection method Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The invention relates to the technical field of printing defect detection, and particularly discloses a printing defect detection method of anti-counterfeiting ink, which comprises the following steps: collecting fluorescent images of the printing paper board to be detected after being irradiated by a preset light source; obtaining detection parameters so as to judge whether the printing paper board to be detected has anti-counterfeiting ink printing defects or not; analyzing the detection result so as to find a reason for influencing the detection result; optimizing the detection result under the condition that the detection result is influenced based on the change of the target environment; according to the invention, repeated detection is carried out by changing the target environment parameters, and the influence of the environment parameters on the detection result is analyzed, so that key factors influencing the detection result can be found out, further, the detection conditions are optimized or the detection parameters are adjusted, and the misjudgment rate is reduced; according to the invention, by establishing the optimization model, the detection result can be predicted and optimized under the condition that the environmental parameters cannot be changed or are difficult to change, and the detection accuracy and stability are improved.
Description
Technical Field
The invention relates to the technical field of printing defect detection, in particular to a printing defect detection method for anti-counterfeiting ink.
Background
The anti-counterfeiting ink is used as an important anti-counterfeiting means and is widely applied to the fields of commodity packaging, bills, certificates and the like, however, in the printing process of the anti-counterfeiting ink, printing defects such as missing printing, reprinting, chromatic aberration and the like are unavoidable due to the influence of various factors such as printing equipment, process parameters, raw materials and the like, and the defects not only influence the appearance quality of a product, but also possibly reduce the anti-counterfeiting effect and even are imitated, so that the anti-counterfeiting ink has important significance in detecting the printing defects of the anti-counterfeiting ink.
The Chinese patent publication No. CN117309904A discloses a method, a device, equipment and a readable storage medium for detecting printing defects of anti-counterfeit ink, wherein the detection method comprises the following steps: step S10, collecting fluorescent images of the printing paper board to be detected after being irradiated by a preset light source; and S20, judging that the printing paper board to be tested has the anti-counterfeiting ink printing defect if the comparison result of the fluorescent image of the printing paper board to be tested and the preset template image meets the preset condition.
However, in the existing anti-counterfeit ink printing defect detection technology, the influence of environmental factors on the detection result is not fully considered, and in practice, environmental factors such as illumination conditions, temperature, humidity and vibration may interfere with the acquisition process of the fluorescent image, so that the accuracy of subsequent defect judgment is affected, and in order to improve the reliability of detection, it is necessary to deeply analyze and control the environmental factors to ensure the stability and accuracy of the detection result.
Disclosure of Invention
The invention aims to provide a detection method for printing defects of anti-counterfeiting ink, which aims to solve the technical problems in the background.
The aim of the invention can be achieved by the following technical scheme:
a method for detecting printing defects of anti-counterfeit ink comprises the following steps:
step one: collecting fluorescent images of the printing paper board to be detected after being irradiated by a preset light source;
Step two: obtaining a detection parameter J so as to judge whether the printing paper board to be detected has an anti-counterfeiting ink printing defect or not;
Step three: analyzing the detection result of the second step, so as to find a reason for influencing the detection result;
Step four: optimizing the detection result under the condition that the detection result is influenced based on the change of the target environment;
In step four, the method comprises the following steps:
D1: obtaining a printing paperboard sample with known anti-counterfeiting ink printing defects, and obtaining detection parameters J of the defective printing paperboard sample through the first step and the second step;
D2: acquiring an actual parameter S of a defective printed paperboard sample;
D3: calculating to obtain optimized parameters according to the detection parameters J and the actual parameters S of the defective printed paperboard sample;
D4: obtaining an equation of a fitting straight line according to a plurality of groups of target environment parameters and optimization parameters;
D5: establishing a model according to the fitting straight line and the optimization parameters, and optimizing the detection result;
d6: comparing and analyzing the optimized detection result so as to judge whether printing defects exist or not;
presetting an optimized parameter threshold as P, and optimizing a detection result Comparing with the optimized parameter threshold P;
if the detection result is optimized If the parameter threshold value P after optimization is more than the threshold value P, judging that the printing paper board to be tested has the printing defect of anti-counterfeiting ink;
if the detection result is optimized And if the optimized parameter threshold value P is less than or equal to the optimized parameter threshold value P, judging that the printing paper board to be tested has no anti-counterfeiting ink printing defect.
As a further scheme of the invention: the method for acquiring the detection parameters comprises the following steps:
b1: converting the fluorescent image of the printed paper board to be detected after irradiation into a gray image;
b2: calculating the gray difference value of the fluorescent image and the template image;
Calculating a gray level difference value between a gray level image of the printing paper board to be detected and a preset template image by taking the pixel points as units, wherein the difference value reflects the difference between the gray level image and the preset template image;
B3: recording defect points;
Recording pixel points with gray level difference values exceeding a preset difference value as defect points;
B4: and carrying out summation calculation on the areas of all the defect points, carrying out ratio calculation on the sum of the areas and the area of the fluorescence image, and obtaining the ratio which is the detection parameter J.
As a further scheme of the invention: the method for searching the reasons influencing the detection result comprises the following steps:
c1: changing the target environment parameters when the fluorescent images are acquired in the first step, and repeatedly detecting the same printing paperboard, so as to obtain detection parameters under a plurality of groups of different target environment parameters;
c2: obtaining influence parameters according to a plurality of groups of target environment parameters and detection parameters;
and C3: and comparing and analyzing the influence parameters so as to judge whether the change of the target environment influences the detection result.
As a further scheme of the invention: the method for obtaining the influence parameters comprises the following steps:
Drawing an influence analysis line graph in a two-dimensional coordinate system established by taking the target environment parameter as an X axis and the detection parameter as a Y axis according to a plurality of groups of target environment parameters and detection parameters, marking line segments between every two adjacent points as sub-line segments, and respectively obtaining the area of an area surrounded by each sub-line segment and the X axis;
And respectively enclosing the areas of the areas formed by every two adjacent sub-folding lines and the X axis, carrying out difference value calculation to obtain the absolute difference value of the areas, and carrying out summation and average value calculation on all the absolute difference values to obtain the influence parameters.
As a further scheme of the invention: comparing and analyzing the influence parameter with a preset influence parameter threshold;
if the influence parameter is smaller than the preset influence parameter threshold, judging that the change of the target environment does not influence the detection result;
If the influence parameter is more than or equal to the preset influence parameter threshold, the change of the target environment is judged to influence the detection result.
As a further scheme of the invention: the method for acquiring the actual parameters comprises the following steps:
The method comprises the steps of arranging an emitter on one side of a defective printing paperboard sample, projecting a beam of direct light with fixed intensity to the surface of the defective printing paperboard sample through the emitter, arranging a plurality of receivers on one side of the defective printing paperboard sample, collecting reflected light on the surface of the defective printing paperboard sample, and obtaining the intensity of the reflected light, wherein the ratio of the sum of the intensity of the radiation light received by all the receivers to the preset reflected light intensity is the actual parameter S.
As a further scheme of the invention: the method for acquiring the optimization parameters comprises the following steps:
calculating the ratio of the detected parameter and the actual parameter, wherein the calculated ratio is the optimized parameter M 。
As a further scheme of the invention: the equation of the fitting straight line is: Where k is the slope of the fitted line, b is the intercept of the fitted line, and Q is the target environmental parameter.
As a further scheme of the invention: the method for obtaining the equation of the fitting straight line comprises the following steps:
drawing an optimized analysis coordinate point in a two-dimensional coordinate system established by taking the target environment parameter as an X axis and the optimized parameter as a Y axis according to a plurality of groups of target environment parameters and the optimized parameters;
And drawing a fitting straight line through a least square method according to the optimized analysis coordinate points, so as to obtain an equation of the fitting straight line.
As a further scheme of the invention: the method for optimizing the detection result comprises the following steps:
According to the fitted straight line equation: and optimizing parameters: /(I) And (3) establishing a model: /(I)The model optimizes the post-detection result, wherein J is expressed as a detection parameter obtained by post-detection, Q is expressed as a target environment parameter in post-detection,/>The estimated value is expressed as the actual parameter, namely the optimized detection result.
The invention has the beneficial effects that:
According to the invention, repeated detection is carried out by changing the target environment parameters, and the influence of the environment parameters on the detection result is analyzed, so that key factors influencing the detection result can be found out, further, the detection conditions are optimized or the detection parameters are adjusted, and the misjudgment rate is reduced;
according to the invention, based on the relation between the environmental parameters and the detection results, an optimization model is established, so that the detection results can be predicted and optimized under the condition that the environmental parameters cannot be changed or are difficult to change, and the detection accuracy and stability are improved;
The invention provides a comprehensive and effective solution for detecting and optimizing the printing defects of the anti-counterfeiting ink by improving the detection accuracy and optimizing the detection effect, is beneficial to improving the quality of printed matters, ensures the effectiveness of printing the anti-counterfeiting ink, and reduces the production cost and waste.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a flow chart of the method of the present invention;
FIG. 2 is a flow chart of a method for finding a cause affecting a detection result in the present invention;
FIG. 3 is a flow chart of a method for optimizing the detection result in the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention discloses a method for detecting printing defects of anti-counterfeit ink, which comprises the following steps:
step one: the method for collecting the fluorescent image of the printing paper board to be detected after being irradiated by the preset light source comprises the following specific steps:
a1: illuminating the printing paper board to be tested by using a line scanning light source with a preset wavelength;
the method comprises the steps that a line scanning light source with a preset wavelength is used for irradiating a to-be-detected printing paperboard, so that the part of the to-be-detected printing paperboard, on which anti-counterfeiting ink is printed, emits fluorescence, and the line scanning light source can continuously highlight and irradiate the surface of the to-be-detected printing paperboard in a high density manner;
Further, the ultraviolet light with the wavelength ranging from 365nm to 395nm can enable the anti-counterfeiting ink to emit fluorescence better, and further the follow-up printing defect detection of the anti-counterfeiting ink is facilitated;
a2: shooting and synthesizing fluorescent images of the printing paper board to be detected by using a linear array camera;
In the process that the printing paper board to be tested moves on the equipment at a high speed, a linear array camera is used for shooting and synthesizing fluorescent images of the printing paper board to be tested;
the linear array camera is suitable for shooting an object moving at a high speed, and can acquire clear fluorescent images;
Step two: judging whether the printing paper board to be tested has the printing defect of the anti-counterfeiting ink, and the specific method comprises the following steps:
b1: converting the fluorescent image of the printed paper board to be detected after irradiation into a gray image;
b2: calculating the gray difference value of the fluorescent image and the template image;
Calculating a gray level difference value between a gray level image of the printing paper board to be detected and a preset template image by taking the pixel points as units, wherein the difference value reflects the difference between the gray level image and the preset template image;
B3: recording defect points;
Recording pixel points with gray level differences exceeding a preset difference as defect points, wherein the defect points possibly represent problems or defects in the printing process;
B4: judging whether a printing defect exists or not;
Summing the areas of all defect points, calculating the ratio of the sum of the areas to the area of the fluorescent image, and marking the obtained ratio as a detection parameter J;
comparing the detection parameter J with a preset ratio;
If the detection parameter J is larger than the preset ratio, judging that the printing paper board to be tested has the printing defect of the anti-counterfeiting ink;
if the detection parameter J is less than or equal to the preset ratio, judging that the printing paper board to be detected has no anti-counterfeiting ink printing defect;
The detection parameter J can help to determine the severity of the defect, and the greater the detection parameter J is, the greater the severity of the defect is, so as to judge whether further processing or repair is needed;
step three: analyzing the detection result of the second step so as to find a reason affecting the detection result, wherein the specific method comprises the following steps:
C1: changing the target environment parameters when the fluorescent images are acquired in the first step, repeatedly detecting the same printing paperboard, thus obtaining a plurality of groups of detection parameters under different target environment parameters, observing the change of detection results under different environments by changing the environment parameters, analyzing influence factors, and finding out key factors influencing the detection results;
Wherein the target parameters include: light conditions, temperature, humidity, vibration;
It should be noted that: the illumination condition may affect the collection of the fluorescent image, if the external light is too strong, the illumination effect of the preset light source may be disturbed, so that the quality of the fluorescent image is reduced, and the fluorescent characteristic of the anti-counterfeit ink is difficult to accurately identify;
the temperature can influence the acquisition of the fluorescent image, and the temperature change can influence the fluorescent performance of the anti-counterfeit ink, so that the brightness and the contrast of the fluorescent image are influenced;
humidity can influence the collection of fluorescent images, and too high humidity can cause the performance change of anti-counterfeiting ink to influence the collection effect of the fluorescent images;
vibration may adversely affect the acquisition of the fluorescent image, and if the device is affected by vibration while the fluorescent image is acquired, the image may be blurred or distorted, thereby affecting subsequent defect detection;
c2: according to multiple groups of target environment parameters and detection parameters, in a two-dimensional coordinate system established by taking the target environment parameters as an X axis and the detection parameters as a Y axis, drawing an influence analysis line graph, marking line segments between every two adjacent points as sub-line segments, respectively obtaining the area of an area enclosed between each sub-line segment and the X axis, wherein the line graph can intuitively display the relation between the environment parameters and the detection parameters, and the influence trend and degree of the environment parameters on a detection result can be analyzed through the line graph;
And C3: the area of the area surrounded by every two adjacent sub-folding lines and the X axis is calculated by difference value to obtain an absolute difference value of the area, and all the absolute difference values are summed and averaged to obtain an influence parameter, wherein the influence parameter can quantify the influence degree of the environmental parameter on the detection result, and whether the change of the environmental parameter has obvious influence on the detection result can be judged by calculating the influence parameter;
And C4: performing contrast analysis on the influence parameters so as to judge whether the change of the target environment affects the detection result, wherein the contrast analysis is helpful for judging whether the influence of the change of the environment parameters on the detection result is negligible, and determining whether the detection result needs to be optimized according to the contrast analysis result;
comparing and analyzing the influence parameter with a preset influence parameter threshold;
if the influence parameter is smaller than the preset influence parameter threshold, judging that the change of the target environment does not influence the detection result;
if the influence parameter is more than or equal to a preset influence parameter threshold, judging that the change of the target environment can influence the detection result;
step four: under the condition that the detection result is influenced based on the change of the target environment, the detection result is optimized, and the specific method comprises the following steps:
d1: preparing a plurality of printing paperboard samples with known anti-counterfeiting ink printing defects, obtaining detection parameters J of the defective printing paperboard samples through the first step and the second step, and providing data support for subsequent optimization by obtaining the detection parameters of the defective samples, wherein the detection parameters of the defective samples are important reference bases in the optimization process;
D2: processing the defective printing paperboard sample to obtain an actual parameter S of the defective printing paperboard sample, wherein the actual parameter can reflect the actual state of the printing paperboard, and is beneficial to optimizing the accuracy of a detection result;
The method for acquiring the actual parameter S comprises the following steps: arranging an emitter on one side of the defective printing paperboard sample, projecting a beam of direct light with fixed intensity to the surface of the defective printing paperboard sample through the emitter, arranging a plurality of receivers on one side of the defective printing paperboard sample, wherein the receivers are used for collecting reflected light on the surface of the defective printing paperboard sample and obtaining the intensity of the reflected light, and the ratio of the sum of the radiation intensities received by all the receivers to the preset reflected light intensity is the actual parameter S;
d3: according to the detection parameters J and the actual parameters S of the defective printing paperboard sample, calculating to obtain optimized parameters, wherein the optimized parameters can guide parameter adjustment in the subsequent detection process, so that the detection precision is improved, and the optimized parameters are the basis of the establishment of an optimized model and have important significance for improving the accuracy of a detection result;
the method for acquiring the influence characterization value comprises the following steps: calculating the ratio of the detected parameter and the actual parameter, wherein the calculated ratio is the optimized parameter M ；
D4: according to multiple groups of target environment parameters and optimization parameters, in a two-dimensional coordinate system established by taking the target environment parameters as an X axis and the optimization parameters as a Y axis, drawing an optimization analysis coordinate point, wherein the optimization analysis coordinate point can intuitively display the relation between the optimization parameters and the target environment parameters, and the distribution and the change trend of the optimization parameters under different environment parameters can be analyzed through the optimization analysis coordinate point;
d5: drawing a fitting straight line through a least square method according to the optimized analysis coordinate points, and obtaining an equation of the fitting straight line: Wherein k is the slope of a fitting straight line, b is the intercept of the fitting straight line, Q is a target environment parameter, the fitting straight line can reflect the linear relation between the optimization parameter and the target environment parameter, the fitting straight line provides a mathematical basis for establishing an optimization model, and the optimization of a subsequent detection result is facilitated;
D6: according to the fitting straight line and the optimized parameters, a model is built, so that when the condition that the target environmental parameters cannot be changed or are difficult to change occurs in the later detection process, the detection result is optimized, the optimized model can predict the detection result under different environmental parameters, the detection accuracy and stability are improved, the optimized model provides a basis for parameter adjustment in the subsequent detection process, and the influence of environmental parameter change on the detection result is reduced;
According to the fitted straight line equation: and optimizing parameters: /(I) And (3) establishing a model: /(I)The model optimizes the post-detection result, wherein J is expressed as a detection parameter obtained by post-detection, Q is expressed as a target environment parameter in post-detection,/>Representing as an estimated value of the actual parameter, namely an optimized detection result;
d7: comparing and analyzing the optimized detection result so as to judge whether printing defects exist or not;
presetting an optimized parameter threshold as P, and optimizing a detection result Comparing with the optimized parameter threshold P;
if the detection result is optimized If the parameter threshold value P after optimization is more than the threshold value P, judging that the printing paper board to be tested has the printing defect of anti-counterfeiting ink;
if the detection result is optimized Judging that the printing paper board to be tested has no anti-counterfeiting ink printing defect if the optimized parameter threshold value P is less than or equal to;
Optimized detection result Can help determine the severity of defects, and optimize the detection result/>The greater the severity of the defect, thereby determining whether further processing or repair is required.
The size of the threshold is set for convenience of comparison, and the size of the threshold depends on the number of sample data and the number of cardinalities set for each group of sample data by a person skilled in the art;
the foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. The anti-counterfeiting ink printing defect detection method is characterized by comprising the following steps of:
step one: collecting fluorescent images of the printing paper board to be detected after being irradiated by a preset light source;
Step two: obtaining a detection parameter J so as to judge whether the printing paper board to be detected has an anti-counterfeiting ink printing defect or not;
Step three: analyzing the detection result of the second step, so as to find a reason for influencing the detection result;
Step four: optimizing the detection result under the condition that the detection result is influenced based on the change of the target environment;
In step four, the method comprises the following steps:
D1: obtaining a printing paperboard sample with known anti-counterfeiting ink printing defects, and obtaining detection parameters J of the defective printing paperboard sample through the first step and the second step;
D2: acquiring an actual parameter S of a defective printed paperboard sample;
D3: calculating to obtain optimized parameters according to the detection parameters J and the actual parameters S of the defective printed paperboard sample;
D4: obtaining an equation of a fitting straight line according to a plurality of groups of target environment parameters and optimization parameters;
D5: establishing a model according to the fitting straight line and the optimization parameters, and optimizing the detection result;
d6: comparing and analyzing the optimized detection result so as to judge whether printing defects exist or not;
presetting an optimized parameter threshold as P, and optimizing a detection result Comparing with the optimized parameter threshold P;
if the detection result is optimized If the parameter threshold value P after optimization is more than the threshold value P, judging that the printing paper board to be tested has the printing defect of anti-counterfeiting ink;
if the detection result is optimized And if the optimized parameter threshold value P is less than or equal to the optimized parameter threshold value P, judging that the printing paper board to be tested has no anti-counterfeiting ink printing defect.
2. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the method for obtaining the detection parameters is as follows:
b1: converting the fluorescent image of the printed paper board to be detected after irradiation into a gray image;
b2: calculating the gray difference value of the fluorescent image and the template image;
Calculating a gray level difference value between a gray level image of the printing paper board to be detected and a preset template image by taking the pixel points as units, wherein the difference value reflects the difference between the gray level image and the preset template image;
B3: recording defect points;
Recording pixel points with gray level difference values exceeding a preset difference value as defect points;
B4: and carrying out summation calculation on the areas of all the defect points, carrying out ratio calculation on the sum of the areas and the area of the fluorescence image, and obtaining the ratio which is the detection parameter J.
3. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the method for searching the cause affecting the detection result is as follows:
c1: changing the target environment parameters when the fluorescent images are acquired in the first step, and repeatedly detecting the same printing paperboard, so as to obtain detection parameters under a plurality of groups of different target environment parameters;
c2: obtaining influence parameters according to a plurality of groups of target environment parameters and detection parameters;
and C3: and comparing and analyzing the influence parameters so as to judge whether the change of the target environment influences the detection result.
4. A method for detecting printing defects of anti-counterfeit ink according to claim 3, wherein the method for obtaining the influencing parameters comprises the following steps:
Drawing an influence analysis line graph in a two-dimensional coordinate system established by taking the target environment parameter as an X axis and the detection parameter as a Y axis according to a plurality of groups of target environment parameters and detection parameters, marking line segments between every two adjacent points as sub-line segments, and respectively obtaining the area of an area surrounded by each sub-line segment and the X axis;
And respectively enclosing the areas of the areas formed by every two adjacent sub-folding lines and the X axis, carrying out difference value calculation to obtain the absolute difference value of the areas, and carrying out summation and average value calculation on all the absolute difference values to obtain the influence parameters.
5. The method for detecting printing defects of anti-counterfeit ink according to claim 4, wherein the method comprises the following steps:
comparing and analyzing the influence parameter with a preset influence parameter threshold;
if the influence parameter is smaller than the preset influence parameter threshold, judging that the change of the target environment does not influence the detection result;
If the influence parameter is more than or equal to the preset influence parameter threshold, the change of the target environment is judged to influence the detection result.
6. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the method for obtaining the actual parameters is as follows:
The method comprises the steps of arranging an emitter on one side of a defective printing paperboard sample, projecting a beam of direct light with fixed intensity to the surface of the defective printing paperboard sample through the emitter, arranging a plurality of receivers on one side of the defective printing paperboard sample, collecting reflected light on the surface of the defective printing paperboard sample, and obtaining the intensity of the reflected light, wherein the ratio of the sum of the intensity of the radiation light received by all the receivers to the preset reflected light intensity is the actual parameter S.
7. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the method for obtaining the optimized parameters is as follows:
calculating the ratio of the detected parameter and the actual parameter, wherein the calculated ratio is the optimized parameter M 。
8. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the equation of the fitting straight line is: Where k is the slope of the fitted line, b is the intercept of the fitted line, and Q is the target environmental parameter.
9. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the method for obtaining the equation of the fitting straight line is as follows:
drawing an optimized analysis coordinate point in a two-dimensional coordinate system established by taking the target environment parameter as an X axis and the optimized parameter as a Y axis according to a plurality of groups of target environment parameters and the optimized parameters;
And drawing a fitting straight line through a least square method according to the optimized analysis coordinate points, so as to obtain an equation of the fitting straight line.
10. The method for detecting printing defects of anti-counterfeit ink according to claim 1, wherein the method for optimizing the detection result is as follows:
According to the fitted straight line equation: and optimizing parameters: /(I) And (3) establishing a model: /(I)The model optimizes the post-detection result, wherein J is expressed as a detection parameter obtained by post-detection, Q is expressed as a target environment parameter in post-detection,/>The estimated value is expressed as the actual parameter, namely the optimized detection result.
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| CN118032812B (en) | 2024-06-14 |
| CN118032812B8 (en) | 2024-07-02 |
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Address after: 461500, north of Yanshan Road, east of Future Road, Changge Industrial Agglomeration Zone, Xuchang City, Henan Province Patentee after: CHANGGE DAYANG PAPER Co.,Ltd. Country or region after: China Patentee after: Shenyang Shengxiang Technology Co.,Ltd. Address before: No. 4101-802, Building 2, No. 35 Quanyun Fifth Road, China (Liaoning) Pilot Free Trade Zone, Shenyang City, Liaoning Province, 110000 Patentee before: Shenyang Shengxiang Technology Co.,Ltd. Country or region before: China Patentee before: CHANGGE DAYANG PAPER Co.,Ltd. |
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Correction item: Patentee|Address|Patentee Correct: CHANGGE DAYANG PAPER Co.,Ltd.|461500 east of future road and north of Yanshan Road, Changge industrial agglomeration area, Xuchang City, Henan Province|Shenyang Shengxiang Technology Co.,Ltd. False: Shenyang Shengxiang Technology Co.,Ltd.|No. 4101-802, Building 2, No. 35 Quanyun Fifth Road, China (Liaoning) Pilot Free Trade Zone, Shenyang City, Liaoning Province, 110000|CHANGGE DAYANG PAPER Co.,Ltd. Number: 24-02 Page: The title page Volume: 40 Correct: CHANGGE DAYANG PAPER Co.,Ltd.|461500 east of future road and north of Yanshan Road, Changge industrial agglomeration area, Xuchang City, Henan Province|Shenyang Shengxiang Technology Co.,Ltd. False: Shenyang Shengxiang Technology Co.,Ltd.|No. 4101-802, Building 2, No. 35 Quanyun Fifth Road, China (Liaoning) Pilot Free Trade Zone, Shenyang City, Liaoning Province, 110000|CHANGGE DAYANG PAPER Co.,Ltd. Number: 24-02 Volume: 40 |
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Correction item: the change of the name or nationality or address of a patentee Correct: CHANGGE DAYANG PAPER Co.,Ltd.|China|461500 east of future road and north of Yanshan Road, Changge industrial agglomeration area, Xuchang City, Henan Province|Shenyang Shengxiang Technology Co.,Ltd.|China False: CHANGGE DAYANG PAPER Co.,Ltd.|China|461500, north of Yanshan Road, east of Future Road, Changge Industrial Agglomeration Zone, Xuchang City, Henan Province|Shenyang Shengxiang Technology Co.,Ltd.|China Number: 25-01 Volume: 40 |