CN116728968B - Intelligent management system for ink supply of printing equipment - Google Patents
Intelligent management system for ink supply of printing equipment Download PDFInfo
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- CN116728968B CN116728968B CN202310750964.7A CN202310750964A CN116728968B CN 116728968 B CN116728968 B CN 116728968B CN 202310750964 A CN202310750964 A CN 202310750964A CN 116728968 B CN116728968 B CN 116728968B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/62—Analysis of geometric attributes of area, perimeter, diameter or volume
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/90—Determination of colour characteristics
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
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- Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Geometry (AREA)
- Ink Jet (AREA)
Abstract
The invention belongs to the technical field of intelligent management of ink supply of printing equipment, and particularly discloses an intelligent management system for ink supply of printing equipment. The ink supply quality evaluation method and the ink supply system are based on the constructed image-text monitoring module, the image-text analysis module, the image-text printing content monitoring module, the image-text printing content analysis module, the printing equipment ink supply quality analysis module, the ink box monitoring module, the ink box analysis module and the cloud server, and the ink supply quality evaluation of the target printing equipment is obtained by analyzing the ink supply comprehensive quality coefficient of the target printing equipment, so that the ink supply quality of the target printing equipment is more intuitively reflected, the ink supply quality of the target printing equipment is further improved, the printing efficiency is also improved, the replacement requirement of the target printing equipment corresponding to the ink box is judged by analyzing the health coefficient of the target printing equipment corresponding to the ink box, the service life of the target printing equipment corresponding to the ink box is accurately obtained, and the printing interruption or the quality reduction caused by misjudgment of the service life of the ink box is avoided.
Description
Technical Field
The invention belongs to the technical field of intelligent management of ink supply of printing equipment, and relates to an intelligent management system of ink supply of printing equipment.
Background
The printing apparatus refers to an apparatus that prints an electronic document or image into a paper output by ink. Among them, ink cartridges are the most common ink supply for printing devices, and they are usually replaceable, containing ink, which can be inserted directly into the printing device. The ink cartridges can be divided into color ink cartridges and black ink cartridges, and are selected according to different printing requirements. However, the user cannot timely grasp the ink supply condition of the printing device, so that the use of the intelligent ink supply management system of the printing device is very necessary, the intelligent ink supply management system can provide accurate ink supply management, help the user save cost, improve efficiency and simplify management, and accords with the concept of environmental protection.
The existing intelligent management system for ink supply of printing equipment can meet the current requirements to a certain extent, but still has certain defects: (1) The existing intelligent management system for ink supply of printing equipment mainly monitors the ink supply system of the printing equipment, but the lack of monitoring the quality of printed documents or images can cause the consequence that the quality of the printed documents or images of the printing equipment is not satisfactory due to the ink supply problem, so that the use satisfaction degree of users on the printing equipment is reduced.
(2) The existing intelligent management system for ink supply of printing equipment realizes the monitoring of the corresponding ink box of the printing equipment, the service life of the current ink box is obtained, a user is reminded of timely replacing the ink box, but the existing technology predicts the service life of the ink box mainly through the number of pages of a printing file of the current ink box, and the existing technology is insufficient in monitoring accuracy of the service life of the ink box due to different ink consumption of a text document and an image picture, so that printing interruption or quality reduction can be caused due to misjudgment of the service life of the ink box, the printing efficiency of the printing equipment is further reduced, and the experience of the user is not facilitated.
Disclosure of Invention
In view of this, in order to solve the problems set forth in the background art, an intelligent management system for ink supply of a printing apparatus is proposed.
The aim of the invention can be achieved by the following technical scheme: the invention provides an intelligent management system for ink supply of printing equipment, which comprises: the image-text monitoring module is used for taking an image-text file to be printed in the target printing equipment as a target printing image-text, obtaining a target printing image-text image, and obtaining the number of the surface ink points and the area of each ink point of the target printing image-text.
And the image-text analysis module is used for analyzing the surface cleanliness coefficient of the target printed image-text.
And the image-text printing content monitoring module is used for acquiring color information, graphic information and text information in the target printing image.
The image-text printing content analysis module is used for analyzing the color reduction coefficient, the graph reduction coefficient and the character definition coefficient in the target printing image, so as to obtain the content reduction coefficient of the target printing image-text.
And the printing equipment ink supply quality analysis module is used for analyzing the ink supply comprehensive quality coefficient of the target printing equipment according to the surface cleanliness coefficient and the content restoration coefficient of the target printing image and text to obtain ink supply quality evaluation of the target printing equipment and displaying the ink supply quality evaluation.
And the ink box monitoring module is used for acquiring relevant parameters of the ink box corresponding to the target printing equipment.
And the ink box analysis module is used for analyzing the health coefficient of the ink box corresponding to the target printing equipment, judging the replacement requirement of the ink box corresponding to the target printing equipment and processing the ink box.
The cloud server is used for storing the target printing image-text preview image, storing the standard color information, the standard graphic information and the standard text information in the target printing image-text preview image, storing the proper printing image-text interval duration of the ink box, and storing the rated area of the printing picture and the rated area of the printing text of the ink box.
Preferably, the specific analysis mode of the surface cleanliness factor of the target printed image-text is as follows: obtaining a target printing image-text image, comparing the target printing image-text image with a target printing image-text preview image extracted from a cloud server to obtain the number of ink points on the surface of the target printing image-text and the area of each ink point, and analyzing the surface cleanliness coefficient of the target printing image-textWherein S is i Is the area of the ith ink point of the target printing graph Wen Biaomian, S 0 I=1, 2, n, i is the number of each ink dot on the surface of the target print image, n is the number of ink dots on the surface of the target print image, and α is the number of ink dots on the surface of the target print image 1 、α 2 The number of dots and the area of the dots, respectively.
Preferably, the color information in the target printing graph comprises euclidean distance of the corresponding color degree of each color, distribution area and gray level value of each subarea, the graphic information in the target printing graph comprises area and line width of the corresponding outline of each graphic, and the text information in the target printing graph comprises resolution and sharpness of each text.
Preferably, the specific analysis mode of the color reduction coefficient in the target printing graph is as follows: extracting color information in the target printing image, comparing the color information with standard color information in the target printing image-text preview image extracted from the cloud server to obtain Euclidean distance difference and distribution overlapping area of the color degree corresponding to each color in the target printing image-text and the target printing image-text preview image, and respectively recording as delta E j 、Y j Extracting gray values corresponding to the subareas of each color in the color information in the target printing graph, and marking the gray values as C jg Analyzing color reduction coefficients in a target print pattern
Wherein Y is j ′、C j ′ g Respectively the standard distribution area corresponding to the jth color and the standard gray value delta E of the g sub-area corresponding to the jth color in the standard color information in the target printing image-text preview image extracted from the cloud server 0 Δy, Δc are respectively the deviation value of the difference in the euclidean distance of the allowed colors corresponding to the colors, the deviation value of the distribution area, and the deviation value of the gray value of the sub-region, j=1, 2, & gt, m, j being the number of each color in the target print, m being the number of colors in the target print, g=1, 2, & gt, f, g being the number of each sub-region corresponding to the color in the target print, f being the number of sub-region corresponding to the color in the target print, β 1 、β 2 、β 3 Influence weighting system of Euclidean distance, distribution area and gray value of region of color degree corresponding to set colorA number.
Preferably, the specific analysis mode of the graphic reduction coefficient in the target printing graph is as follows: extracting graphic information in the target printing graph, comparing the graphic information with standard graphic information in the target printing graph preview image extracted from the cloud server to obtain the overlapping area of outlines corresponding to each graphic in the graphic information in the target printing graph and the target printing graph preview image, and marking the overlapping area as T x Extracting the line width of the outline corresponding to each figure in the figure information in the target printing picture and text, and marking the line width as W x Analyzing graph reduction coefficient in target printing graph
Wherein T is x ′、W x ' respectively the standard area and standard line width of the outline corresponding to the x-th figure in the standard figure information in the target printing figure preview image extracted from the cloud server, wherein deltat and deltaw are respectively the deviation value of the area and the deviation value of the line width of the outline corresponding to the figure allowed to exist in the set target printing figure, x=1, 2, and the number of each figure in the target printing figure, a and x are respectively the number of the figures in the target printing figure, and a is the number of the figures in the target printing figure, delta 1 、δ 2 And correction factors of the area and the line width of the outline corresponding to the set graph are respectively obtained.
Preferably, the specific analysis mode of the text definition coefficient in the target printing graph is as follows: extracting resolution and sharpness of each word in word information in target printing diagram, and analyzing word definition coefficient in target printing diagram
Wherein A is y 、I y Resolution and sharpness of the y-th text in the text information in the target print image, A' y 、I′ y Respectively, from the cloud serverThe standard resolution and standard sharpness of the y-th word in the standard word information in the obtained target print text preview image, y=1, 2, and the number of each word in the target print text, b, and epsilon are respectively calculated according to the standard resolution and standard sharpness of the y-th word in the target print text 1 、ε 2 The set factors of the resolution and sharpness of the text, respectively.
Preferably, the specific analysis mode of the content reduction coefficient of the target printing image-text is as follows: extracting color reduction coefficient, figure reduction coefficient and character definition coefficient in target printing picture and analyzing content reduction coefficient of target printing picture and textWherein θ is 1 、θ 2 、θ 3 The weight factors are respectively set color reduction coefficient, graphic reduction coefficient and character definition coefficient.
Preferably, the specific analysis mode of the ink supply comprehensive quality coefficient of the target printing device is as follows: extracting the surface cleanliness coefficient and the content restoration coefficient of the target printing image and text, and analyzing the ink supply comprehensive quality coefficient of target printing equipmentWherein lambda is 1 、λ 2 The weights of the set cleanliness coefficient and the comprehensive reduction coefficient are respectively.
A first gradient value and a second gradient value of a preset ink supply comprehensive quality coefficient threshold value are respectively marked as psi 1 、ψ 2 And psi is 1 ＞ψ 2 If ψ is greater than or equal to ψ 1 The ink supply quality of the target printing apparatus is evaluated to be excellent, and the ink supply quality is displayed, if ψ is 1 ＞ψ≥ψ 2 The ink supply quality of the target printing apparatus is evaluated as good, and displayed, if ψ < ψ 2 The ink supply quality of the target printing apparatus is evaluated as failed, and display is performed and the ink cartridge replacement operation is performed.
Preferably, the relevant parameters of the ink box corresponding to the target printing device comprise the residual ink quantity, the interval duration of each printing of the image text, the image area and the text area.
Preferably, the specific analysis mode of the target printing device corresponding to the replacement requirement of the ink box is as follows: extracting the residual ink quantity of the ink box corresponding to the target printing equipment, comparing the residual ink quantity with a set residual ink quantity threshold value, if the residual ink quantity of the ink box corresponding to the target printing equipment is larger than or equal to the set residual ink quantity threshold value, the replacement requirement of the ink box corresponding to the target printing equipment is a replacement-free requirement, if the residual ink quantity of the ink box corresponding to the target printing equipment is smaller than the set residual ink quantity threshold value, extracting the time interval, the picture area and the text area of each printing picture and text of the ink box corresponding to the target printing equipment, and analyzing the health coefficient of the ink box corresponding to the target printing equipment
Wherein TM p 、The interval duration, the picture area and the text area of the p-th printing picture text of the ink box corresponding to the target printing equipment are respectively TM ', (TM')>The printing image-text interval duration, the rated area of the printing image and the rated area of the printing text of the ink box extracted from the cloud server are p=1, 2, the number of each printing image-text of the ink box corresponding to the target printing device is q, q is the printing image Wen Cishu of the ink box corresponding to the target printing device,the interval time length of the printed pictures and texts and the influence factors of the picture area and the text area of the printed pictures and texts are respectively, sigma 1 、σ 2 The duty ratio weights of the picture area and the text area, sigma 1 +σ 2 ＝1。
If it isIf the ink supply speed is greater than or equal to the set health coefficient threshold value, the ink supply operation is executed when the ink box replacement requirement corresponding to the target printing equipment is not required to be replaced, if +.>And if the ink box is smaller than the set health coefficient threshold value, the target printing equipment corresponds to the ink box replacement requirement, and the ink box replacement operation is executed.
Compared with the prior art, the invention has the following beneficial effects: 1. the invention obtains the number of the surface ink points and the area of each ink point of the target printing image and text based on the constructed image and text monitoring module and the image and text analysis module, analyzes the surface cleanliness coefficient of the target printing image and text, and further provides powerful data support for the subsequent ink supply quality analysis of the target printing equipment.
2. The invention analyzes the color reduction coefficient, the graph reduction coefficient and the character definition coefficient in the target printing graph based on the graph-text printing content monitoring module and the graph-text printing content analyzing module, thereby obtaining the content reduction coefficient of the target printing graph, being beneficial to the analysis and the processing of the ink supply quality of the target printing equipment and ensuring the printing content quality of the target printing graph.
3. The invention analyzes the ink supply comprehensive quality coefficient of the target printing equipment based on the ink supply quality analysis module of the printing equipment, obtains the ink supply quality evaluation of the target printing equipment, displays the ink supply quality of the target printing equipment more intuitively by monitoring the image-text quality of the target printing, further improves the ink supply quality of the target printing equipment and improves the printing efficiency of the printing equipment.
4. The invention judges and processes the replacement requirement of the ink box corresponding to the target printing equipment based on the constructed ink box monitoring module and the ink box analyzing module, and the service life condition of the ink box corresponding to the target printing equipment is obtained more accurately mainly by monitoring the picture area and the text area of the target printing picture and text, so that the problem of printing interruption or quality reduction caused by misjudgment of the service life of the ink box is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a system module connection according to the present 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, the present invention provides an intelligent management system for ink supply of a printing device, wherein specific modules are distributed as follows: the system comprises an image-text monitoring module, an image-text analysis module, an image-text printing content monitoring module, an image-text printing content analysis module, a printing equipment ink supply quality analysis module, an ink box monitoring module, an ink box analysis module and a cloud server. The connection relation between the modules is as follows: the image-text monitoring module is connected with the image-text analysis module, the image-text printing content monitoring module is connected with the image-text printing content analysis module, the printing equipment ink supply quality analysis module is respectively connected with the image-text analysis module and the image-text printing content analysis module, the ink box monitoring module is connected with the ink box analysis module, and the cloud server is respectively connected with the image-text analysis module, the image-text printing content analysis module and the ink box analysis module.
The image-text monitoring module is used for taking an image-text file to be printed in the target printing equipment as a target printing image-text, obtaining a target printing image-text image, and obtaining the number of the surface ink points and the area of each ink point of the target printing image-text.
And the image-text analysis module is used for analyzing the surface cleanliness coefficient of the target printed image-text.
As an example, the specific analysis mode of the surface cleanliness factor of the target printed image and text is as follows: obtaining a target printing image-text image, comparing the target printing image-text image with a target printing image-text preview image extracted from a cloud server to obtain the number of ink points on the surface of the target printing image-text and the area of each ink point, and analyzing the surface cleanliness coefficient of the target printing image-textWherein S is i Is the area of the ith ink point of the target printing graph Wen Biaomian, S 0 I=1, 2, n, i is the number of each ink dot on the surface of the target print image, n is the number of ink dots on the surface of the target print image, and α is the number of ink dots on the surface of the target print image 1 、α 2 The number of dots and the area of the dots, respectively.
The invention obtains the number of the surface ink points and the area of each ink point of the target printing image and text based on the constructed image and text monitoring module and the image and text analysis module, and analyzes the surface cleanliness coefficient of the target printing image and text, thereby improving the surface cleanliness of the target printing image and text.
And the image-text printing content monitoring module is used for acquiring color information, graphic information and text information in the target printing image.
The image-text printing content analysis module is used for analyzing the color reduction coefficient, the graph reduction coefficient and the character definition coefficient in the target printing image, so as to obtain the content reduction coefficient of the target printing image-text.
As an example, the color information in the target print image includes euclidean distance of the hue corresponding to each color, a distribution area, and a gray value of each sub-region, the graphic information in the target print image includes an area and a line width of the outline corresponding to each graphic, and the text information in the target print image includes resolution and sharpness of each text.
It should be further described that the specific acquisition mode of the distribution area corresponding to each color is: and carrying out graying treatment on the target printing image-text image by utilizing an image gray level treatment technology to obtain a target printing image-text gray level image, further obtaining a gray level value of the target printing image-text gray level image, dividing the target printing image-text gray level image into areas according to different gray levels, taking the areas with gray level value differences within a set error range in the areas as the same color area, further obtaining a distribution area corresponding to each color, and similarly obtaining a standard distribution area corresponding to each color, an area of a contour corresponding to each graph and a standard area of a contour corresponding to each graph.
The specific acquisition mode of the gray value of each subarea corresponding to each color is as follows: and dividing the target printing image-text gray level image into subareas according to the subarea division modes corresponding to the colors in the target printing image-text preview gray level image to obtain gray level values of the subareas corresponding to the colors.
The specific calculation method of the gray value comprises the following steps: obtaining gray values using integer arithmeticWherein R, G, B is three color vector matrixes corresponding to the matrixes of the pixel points, and the R, G, B value method comprises the following steps: if the color of a pixel is (216,168,204), r=216, g=168, and b=204.
The Euclidean distance of the color degree corresponding to each color is obtained by the following steps: measuring color values l of each color on the l, a and b channels by using a color difference meter j 、a j 、b j Further calculate Euclidean distance of the corresponding color degree of each colorWhere j=1, 2, &.. j is the number of each color in the target print map.
The line width corresponding to each graph and the resolution and sharpness of each word in the word information are obtained by the following modes: and processing the target printed image-text image by adopting image processing software to obtain the line width corresponding to each graph and the resolution and sharpness of each text.
As an example, the specific analysis manner of the color reduction coefficient in the target print graph is: extracting color information in the target printing image, comparing the color information with standard color information in the target printing image-text preview image extracted from the cloud server to obtain Euclidean distance difference and distribution overlapping area of the color degree corresponding to each color in the target printing image-text and the target printing image-text preview image, and respectively recording as delta E j 、Y j Extracting gray values corresponding to the subareas of each color in the color information in the target printing graph, and marking the gray values as C jg Analyzing color reduction coefficients in a target print pattern
Wherein Y is j ′、C j ′ g Respectively the standard distribution area corresponding to the jth color and the standard gray value delta E of the g sub-area corresponding to the jth color in the standard color information in the target printing image-text preview image extracted from the cloud server 0 Δy, Δc are respectively the deviation value of the difference in the euclidean distance of the allowed colors corresponding to the colors, the deviation value of the distribution area, and the deviation value of the gray value of the sub-region, j=1, 2, & gt, m, j being the number of each color in the target print, m being the number of colors in the target print, g=1, 2, & gt, f, g being the number of each sub-region corresponding to the color in the target print, f being the number of sub-region corresponding to the color in the target print, β 1 、β 2 、β 3 The influence weight coefficients of the Euclidean distance, the distribution area and the gray value of the region of the color degree corresponding to the set color are respectively obtained.
It should be further noted that the euclidean distance difference Δe between the colors of the target print text and the colors corresponding to each color in the preview image of the target print text j Is used for evaluating the difference degree of each color in the target printing image and the target printing image preview image, and delta E j The smaller the value of (2) is, the target is representedThe smaller the difference between the colors in the print and the target print preview image, i.e. the more similar the colors.
It should be further noted that, the standard color information in the target print text preview image includes a standard euclidean distance, a standard distribution area, and a standard gray value of each sub-region of the color degree corresponding to each color.
As an example, the specific analysis manner of the graphic reduction coefficient in the target print graph is: extracting graphic information in the target printing graph, comparing the graphic information with standard graphic information in the target printing graph preview image extracted from the cloud server to obtain the overlapping area of outlines corresponding to each graphic in the graphic information in the target printing graph and the target printing graph preview image, and marking the overlapping area as T x Extracting the line width of the outline corresponding to each figure in the figure information in the target printing picture and text, and marking the line width as W x Analyzing graph reduction coefficient in target printing graph
Wherein T is x ′、W x ' respectively the standard area and standard line width of the outline corresponding to the x-th figure in the standard figure information in the target printing figure preview image extracted from the cloud server, wherein deltat and deltaw are respectively the deviation value of the area and the deviation value of the line width of the outline corresponding to the figure allowed to exist in the set target printing figure, x=1, 2, and the number of each figure in the target printing figure, a and x are respectively the number of the figures in the target printing figure, and a is the number of the figures in the target printing figure, delta 1 、δ 2 And correction factors of the area and the line width of the outline corresponding to the set graph are respectively obtained.
It should be further noted that, the standard graphic information in the target print text preview image includes a standard area and a standard line width of the outline corresponding to each graphic.
As an example, the specific analysis manner of the text definition coefficient in the target print graph is: extracting resolution and sharpness of each word in word information in target printing diagram, and analyzing word definition coefficient in target printing diagram
Wherein A is y 、I y Resolution and sharpness of the y-th text in the text information in the target print image, A' y 、I′ y The standard resolution and standard sharpness of the y-th word in standard word information in a target print text preview image extracted from a cloud server are respectively, y=1, 2, and the number of each word in the target print text is b, and b is the number of words in the target print text, epsilon 1 、ε 2 The set factors of the resolution and sharpness of the text, respectively.
It should be further noted that the standard text information in the target print preview image includes standard resolution and standard sharpness of each text.
As an example, the specific analysis mode of the content reduction coefficient of the target print image is as follows: extracting color reduction coefficient, figure reduction coefficient and character definition coefficient in target printing picture and analyzing content reduction coefficient of target printing picture and textWherein θ is 1 、θ 2 、θ 3 The weight factors are respectively set color reduction coefficient, graphic reduction coefficient and character definition coefficient.
The invention analyzes the color reduction coefficient, the graph reduction coefficient and the character definition coefficient in the target printing graph based on the graph-text printing content monitoring module and the graph-text printing content analyzing module, thereby obtaining the content reduction coefficient of the target printing graph, being beneficial to the analysis and the processing of the ink supply quality of the target printing equipment and ensuring the printing content quality of the target printing graph.
And the printing equipment ink supply quality analysis module is used for analyzing the ink supply comprehensive quality coefficient of the target printing equipment according to the surface cleanliness coefficient and the content restoration coefficient of the target printing image and text to obtain ink supply quality evaluation of the target printing equipment and displaying the ink supply quality evaluation.
As an example, the specific analysis manner of the ink supply integrated quality coefficient of the target printing apparatus is: extracting the surface cleanliness coefficient and the content restoration coefficient of the target printing image and text, and analyzing the ink supply comprehensive quality coefficient of target printing equipmentWherein lambda is 1 、λ 2 The weights of the set cleanliness coefficient and the comprehensive reduction coefficient are respectively.
A first gradient value and a second gradient value of a preset ink supply comprehensive quality coefficient threshold value are respectively marked as psi 1 、ψ 2 And psi is 1 ＞ψ 2 If ψ is greater than or equal to ψ 1 The ink supply quality of the target printing apparatus is evaluated to be excellent, and the ink supply quality is displayed, if ψ is 1 ＞ψ≥ψ 2 The ink supply quality of the target printing apparatus is evaluated as good, and displayed, if ψ < ψ 2 The ink supply quality of the target printing apparatus is evaluated as failed, and display is performed and the ink cartridge replacement operation is performed.
The invention analyzes the ink supply comprehensive quality coefficient of the target printing equipment based on the ink supply quality analysis module of the printing equipment, obtains the ink supply quality evaluation of the target printing equipment, displays the ink supply quality of the target printing equipment more intuitively by monitoring the image-text quality of the target printing, further improves the ink supply quality of the target printing equipment and improves the printing efficiency of the printing equipment.
And the ink box monitoring module is used for acquiring relevant parameters of the ink box corresponding to the target printing equipment.
And the ink box analysis module is used for analyzing the health coefficient of the ink box corresponding to the target printing equipment, judging the replacement requirement of the ink box corresponding to the target printing equipment and processing the ink box.
As an example, the relevant parameters of the target printing apparatus corresponding to the ink cartridge include the remaining ink amount, the interval duration of each printing of the graphic text, the picture area, and the text area.
The method for obtaining the residual ink quantity, the interval duration of each printing of the image text, the image area and the text area is as follows: detecting the corresponding ink box of the target printing equipment by utilizing a weight sensor to obtain the current weight of the corresponding ink box of the target printing equipment, and recording the difference value of the current weight of the ink box minus the set empty box weight of the ink box as the residual ink quantity; recording time points of each printing image and text by using a server platform of the target printing equipment, and obtaining interval duration of each printing image and text by making a difference between the time points of each printing image and text and the time points of the last printing image and text of each printing image and text, wherein the interval duration of the first printing image and text is a difference value between the time points of the first printing image and text and the time points of the ink box installation; and processing by using image processing software to obtain the picture area and the text area of each printed picture and text.
As an example, the specific analysis manner of the target printing device corresponding to the replacement requirement of the ink cartridge is: extracting the residual ink quantity of the ink box corresponding to the target printing equipment, comparing the residual ink quantity with a set residual ink quantity threshold value, if the residual ink quantity of the ink box corresponding to the target printing equipment is larger than or equal to the set residual ink quantity threshold value, the replacement requirement of the ink box corresponding to the target printing equipment is a replacement-free requirement, if the residual ink quantity of the ink box corresponding to the target printing equipment is smaller than the set residual ink quantity threshold value, extracting the time interval, the picture area and the text area of each printing picture and text of the ink box corresponding to the target printing equipment, and analyzing the health coefficient of the ink box corresponding to the target printing equipment
Wherein TM p 、The interval duration, the picture area and the text of the p-th printing picture text of the ink box corresponding to the target printing equipment are respectivelyWord area, TM',>the printing image-text interval duration, the rated area of the printing image and the rated area of the printing text of the ink box extracted from the cloud server are p=1, 2, the number of each printing image-text of the ink box corresponding to the target printing device is q, q is the printing image Wen Cishu of the ink box corresponding to the target printing device,the interval time length of the printed pictures and texts and the influence factors of the picture area and the text area of the printed pictures and texts are respectively, sigma 1 、σ 2 The duty ratio weights of the picture area and the text area, sigma 1 +σ 2 ＝1。
It should be further noted that the rated area of the print picture and the rated area of the print text are respectively the total print picture area when the print picture is printed only and the total print text area when the print text is printed only under the healthy state of the ink box corresponding to the target printing equipment.
If it isIf the ink supply speed is greater than or equal to the set health coefficient threshold value, the ink supply operation is executed when the ink box replacement requirement corresponding to the target printing equipment is not required to be replaced, if +.>And if the ink box is smaller than the set health coefficient threshold value, the target printing equipment corresponds to the ink box replacement requirement, and the ink box replacement operation is executed.
The invention judges and processes the replacement requirement of the ink box corresponding to the target printing equipment based on the constructed ink box monitoring module and the ink box analyzing module, and more accurately obtains the service life condition of the ink box corresponding to the target printing equipment mainly by monitoring the picture area and the text area of the target printing picture and text, thereby avoiding printing interruption or quality reduction caused by misjudgment of the service life of the ink box.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (3)
1. An intelligent management system for ink supply of printing equipment is characterized in that: the system comprises:
the image-text monitoring module is used for taking an image-text file to be printed in the target printing equipment as a target printing image-text, acquiring a target printing image-text image, and obtaining the number of the surface ink points of the target printing image-text and the area of each ink point;
the image-text analysis module is used for analyzing the surface cleanliness coefficient of the target printed image-text;
the image-text printing content monitoring module is used for acquiring color information, graphic information and text information in the target printing image;
the image-text printing content analysis module is used for analyzing the color reduction coefficient, the graphic reduction coefficient and the character definition coefficient in the target printing image, so as to obtain the content reduction coefficient of the target printing image-text;
the printing equipment ink supply quality analysis module is used for analyzing the ink supply comprehensive quality coefficient of the target printing equipment according to the surface cleanliness coefficient and the content restoration coefficient of the target printing image and text to obtain ink supply quality evaluation of the target printing equipment and displaying the ink supply quality evaluation;
the ink box monitoring module is used for acquiring relevant parameters of the ink box corresponding to the target printing equipment;
the ink box analysis module is used for analyzing the health coefficient of the ink box corresponding to the target printing equipment, judging the replacement requirement of the ink box corresponding to the target printing equipment and processing the ink box;
the cloud server is used for storing the target printing image-text preview image, storing the standard color information, the standard graphic information and the standard text information in the target printing image-text preview image, storing the proper printing image-text interval duration of the ink box, and storing the rated area of the printing picture and the rated area of the printing text of the ink box;
the specific analysis mode of the surface cleanliness coefficient of the target printed image and text is as follows:
obtaining a target printing image-text image, comparing the target printing image-text image with a target printing image-text preview image extracted from a cloud server to obtain the number of ink points on the surface of the target printing image-text and the area of each ink point, and analyzing the surface cleanliness coefficient of the target printing image-textWherein S is i Is the area of the ith ink point of the target printing graph Wen Biaomian, S 0 I=1, 2, n, i is the number of each ink dot on the surface of the target print image, n is the number of ink dots on the surface of the target print image, and α is the number of ink dots on the surface of the target print image 1 、α 2 The number of ink dots and the area of the ink dots are respectively influencing factors;
the specific analysis mode of the color reduction coefficient in the target printing graph is as follows:
extracting color information in the target printing image, comparing the color information with standard color information in the target printing image-text preview image extracted from the cloud server to obtain Euclidean distance difference and distribution overlapping area of the color degree corresponding to each color in the target printing image-text and the target printing image-text preview image, and respectively recording as delta E j 、Y j Extracting gray values corresponding to the subareas of each color in the color information in the target printing graph, and marking the gray values as C jg Analyzing color reduction coefficients in a target print pattern
Wherein Y 'is' j 、C′ jg Respectively a standard distribution area corresponding to the jth color and standard gray of the g sub-area corresponding to the jth color in standard color information in a target printing image-text preview image extracted from a cloud serverDegree value, ΔE 0 Δy, Δc are respectively the deviation value of the difference in the euclidean distance of the allowed colors corresponding to the colors, the deviation value of the distribution area, and the deviation value of the gray value of the sub-region, j=1, 2, & gt, m, j being the number of each color in the target print, m being the number of colors in the target print, g=1, 2, & gt, f, g being the number of each sub-region corresponding to the color in the target print, f being the number of sub-region corresponding to the color in the target print, β 1 、β 2 、β 3 The influence weight coefficients of the Euclidean distance, the distribution area and the gray value of the region of the color corresponding to the set color are respectively;
the specific analysis mode of the graph reduction coefficient in the target printing graph is as follows:
extracting graphic information in the target printing graph, comparing the graphic information with standard graphic information in the target printing graph preview image extracted from the cloud server to obtain the overlapping area of outlines corresponding to each graphic in the graphic information in the target printing graph and the target printing graph preview image, and marking the overlapping area as T x Extracting the line width of the outline corresponding to each figure in the figure information in the target printing picture and text, and marking the line width as W x Analyzing graph reduction coefficient in target printing graph
Wherein T' x 、W′ x The standard area and standard line width of the outline corresponding to the x-th figure in the standard figure information in the target printing figure and text preview image extracted from the cloud server are respectively, deltat and deltaw are respectively the deviation value of the area and the deviation value of the line width of the outline corresponding to the figure allowed to exist in the set target printing figure and text, x=1, 2 1 、δ 2 Correction factors of the area and the line width of the outline corresponding to the set graph are respectively set;
the specific analysis mode of the text definition coefficient in the target printing graph is as follows:
extracting resolution and sharpness of each word in word information in target printing diagram, and analyzing word definition coefficient in target printing diagram
Wherein A is y 、I y Resolution and sharpness of the y-th text in the text information in the target print image, A' y 、I′ y The standard resolution and standard sharpness of the y-th word in standard word information in a target print text preview image extracted from a cloud server are respectively, y=1, 2, and the number of each word in the target print text is b, and b is the number of words in the target print text, epsilon 1 、ε 2 Respectively setting the influence factors of the resolution and the sharpness of the characters;
the specific analysis mode of the content reduction coefficient of the target printing image and text is as follows:
extracting color reduction coefficient, figure reduction coefficient and character definition coefficient in target printing picture and analyzing content reduction coefficient of target printing picture and textWherein θ is 1 、θ 2 、θ 3 Respectively setting weight factors of a color reduction coefficient, a graph reduction coefficient and a character definition coefficient;
the specific analysis mode of the ink supply comprehensive quality coefficient of the target printing equipment is as follows:
extracting the surface cleanliness coefficient and the content restoration coefficient of the target printing image and text, and analyzing the ink supply comprehensive quality coefficient of target printing equipmentWherein lambda is 1 、λ 2 The weights of the set cleanliness coefficient and the comprehensive reduction coefficient are respectively;
pre-feedingSetting a first gradient value and a second gradient value of the ink supply comprehensive quality coefficient threshold value, which are respectively marked as psi 1 、ψ 2 And psi is 1 ＞ψ 2 If ψ is greater than or equal to ψ 1 The ink supply quality of the target printing apparatus is evaluated to be excellent, and the ink supply quality is displayed, if ψ is 1 ＞ψ≥ψ 2 The ink supply quality of the target printing apparatus is evaluated as good, and displayed, if ψ < ψ 2 The ink supply quality of the target printing device is evaluated as unqualified, and the ink supply quality is displayed and the ink box replacement operation is executed;
the specific analysis mode of the target printing equipment corresponding to the replacement requirement of the ink box is as follows:
extracting the residual ink quantity of the ink box corresponding to the target printing equipment, comparing the residual ink quantity with a set residual ink quantity threshold value, if the residual ink quantity of the ink box corresponding to the target printing equipment is larger than or equal to the set residual ink quantity threshold value, the replacement requirement of the ink box corresponding to the target printing equipment is a replacement-free requirement, if the residual ink quantity of the ink box corresponding to the target printing equipment is smaller than the set residual ink quantity threshold value, extracting the time interval, the picture area and the text area of each printing picture and text of the ink box corresponding to the target printing equipment, and analyzing the health coefficient of the ink box corresponding to the target printing equipmentWherein TM p 、The interval duration, the picture area and the text area of the p-th printing picture text of the ink box corresponding to the target printing equipment are respectively TM ', (TM')>The printing method includes the steps that the proper printing image-text interval duration, the rated area of printing pictures and the rated area of printing words of the ink box extracted from the cloud server are p=1, 2, q, p is the number of each printing image-text of the ink box corresponding to the target printing device, q is the printing picture Wen Cishu of the ink box corresponding to the target printing device, and p is the number of each printing image-text of the ink box corresponding to the target printing device>The interval time length and the impact factor sigma of the content area of the printed pictures and texts are respectively 1 、σ 2 The duty ratio weights of the picture area and the text area, sigma 1 +σ 2 ＝1；
If it isIf the ink supply speed is greater than or equal to the set health coefficient threshold value, the ink supply operation is executed when the ink box replacement requirement corresponding to the target printing equipment is not required to be replaced, if +.>And if the ink box is smaller than the set health coefficient threshold value, the target printing equipment corresponds to the ink box replacement requirement, and the ink box replacement operation is executed.
2. The intelligent management system for ink supply of a printing apparatus according to claim 1, wherein: the color information in the target printing image comprises Euclidean distance, distribution area and gray value of each subarea of the corresponding color degree of each color, the graphic information in the target printing image comprises area and line width of the corresponding outline of each graphic, and the text information in the target printing image comprises resolution and sharpness of each text.
3. The intelligent management system for ink supply of a printing apparatus according to claim 1, wherein: the relevant parameters of the corresponding ink box of the target printing equipment comprise the residual ink quantity, the interval duration of each printing picture and text, the picture area and the text area.
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