CN108804057A - Print color matching method, device, terminal and computer readable storage medium - Google Patents
Print color matching method, device, terminal and computer readable storage medium Download PDFInfo
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- CN108804057A CN108804057A CN201810481388.XA CN201810481388A CN108804057A CN 108804057 A CN108804057 A CN 108804057A CN 201810481388 A CN201810481388 A CN 201810481388A CN 108804057 A CN108804057 A CN 108804057A
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- color matching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1203—Improving or facilitating administration, e.g. print management
- G06F3/1208—Improving or facilitating administration, e.g. print management resulting in improved quality of the output result, e.g. print layout, colours, workflows, print preview
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/1218—Reducing or saving of used resources, e.g. avoiding waste of consumables or improving usage of hardware resources
- G06F3/1219—Reducing or saving of used resources, e.g. avoiding waste of consumables or improving usage of hardware resources with regard to consumables, e.g. ink, toner, paper
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1244—Job translation or job parsing, e.g. page banding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
- G06F3/1237—Print job management
- G06F3/1253—Configuration of print job parameters, e.g. using UI at the client
- G06F3/1256—User feedback, e.g. print preview, test print, proofing, pre-flight checks
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Color Image Communication Systems (AREA)
Abstract
A kind of printing color matching method, including：Basic ink library is established according to ink is printed used in printing equipment；Obtain the Lab values of sample map file；According to the model and dosage of the printing ink that the Lab values of the sample map file use in the basic ink library needed for determination；The Lab values of color matching sample are obtained, the color matching sample is obtained by the practical color matching of model and dosage of the required printing ink used；Judge the aberration of color matching sample and the sample map file whether in aberration permissible range.Printing color matching method, device, terminal and computer readable storage medium provided by the invention allows requirement to carry out Modeling Calculation according to the Lab values of sample map file, the basic ink library of our factory and aberration, the model and proportioning dosage of the printing ink used needed for quantitatively determining, aberration inspection is carried out after trial, quality science of matching colors is consistent, efficiently reduce the number and waste of material allocated repeatedly, it avoids polluting damage to operating personnel, standardization level is high and efficiency protrudes.
Description
Technical field
The invention belongs to printing technologies, are a kind of printing color matching method, device, terminal and calculating specifically
Machine readable storage medium storing program for executing.
Background technology
It is to make the original copys such as word, picture, photo, anti-fake through processes such as plate-making, Shi Mo, pressurizations to print (Printing)
On printing ink transfer to the material surfaces such as paper, fabric, plastic products, leather, the technology of batch duplicating original copy content.
In print production, need to be matched colors according to the sample map file of client and the printing ink of our factory.Currently, color matching
Technique depends on the skill and experience that operating personnel accumulates for many years more, and very high request is proposed to the quality of operating personnel.It is practical
In production, the personnel amount wretched insufficiency of mixing color can be reliably carried out, operating personnel's quality is irregular, causes color matching quality
The problems such as very different, match color procedure ink waste is seriously, allotment causes dye discoloration repeatedly, seriously constrains print production effect
The raising of rate and industry development.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of printing color matching method, device, terminal and computers
Readable storage medium storing program for executing realizes that quantitative calculate is allocated, effectively ensures mixing color quality and efficiency.
The purpose of the present invention is achieved through the following technical solutions：
A kind of printing color matching method, including：
Basic ink library is established according to ink is printed used in printing equipment；
Obtain the Lab values of sample map file；
According to the model for the printing ink that the Lab values of the sample map file use in the basic ink library needed for determination
And dosage；
The Lab values of color matching sample are obtained, the color matching sample is by the required model and dosage for printing ink used
Practical color matching obtains；
Judge the aberration of color matching sample and the sample map file whether in aberration permissible range.
As an improvement of the above technical solution, the dosage of the required printing ink used is according to the printing ink
Lab values, density, aberration and viscosity determine.
As a further improvement of the above technical scheme, described " according to the Lab values of the sample map file described substantially oily
The model and dosage of printing ink used needed for being determined in Mo Ku " include：
The Lab value ranges allowed are determined according to the Lab values of the sample map file and the aberration permissible range；
Lab value matchings are carried out according to the printing ink in the Lab values range of the permission and the basic ink library, to
It determines at least one alternative printing ink combination and exports corresponding preview display effect；
The alternative printing ink combination that user selects according to the preview display effect is obtained, so that it is determined that making needed for described
Print the model and dosage of ink.
As a further improvement of the above technical scheme, " according to the Lab values range of the permission and the basic ink library
In printing ink carry out Lab value matchings, so that it is determined that at least one alternative printing ink combination and export corresponding preview show
Show effect " include：
It is established with black equation according to CIE standard colorimetric systems and the basic ink library；
It is used for the printing ink of color matching according to the Lab value range computations selection with black equation and the permission and matches
Than so that it is determined that the alternative printing ink combination；
Computer for colouring is carried out to export the corresponding preview display effect according to the alternative printing ink combination.
As a further improvement of the above technical scheme, " judge that the color matching sample and the aberration of the sample map file are
It is no in aberration permissible range " include：
Calculate luminosity equation, colour difference and the total color difference of the color matching sample and the sample map file；
Whether luminosity equation described in multilevel iudge, the colour difference, the total color difference are in the aberration allowable range.
A kind of printing color matching device, including：
Data build library module, for establishing basic ink library according to printing ink used in printing equipment；
First acquisition module, the Lab values for obtaining sample map file；
Color matching calculation module, for being made needed for determination in the basic ink library according to the Lab values of the sample map file
Print the model and dosage of ink；
Second acquisition module, the Lab values for obtaining color matching sample, the color matching sample is by the required printing used
The practical color matching of model and dosage of ink obtains；
Comparing module is examined, for judging whether the aberration of color matching sample and the sample map file in aberration allows model
In enclosing.
As an improvement of the above technical solution, the color matching calculation module includes：
Range determination submodule allows for being determined with the aberration permissible range according to the Lab values of the sample map file
Lab value ranges；
Alternative output sub-module, for the Lab values range according to the permission and the off-set oil in the basic ink library
Ink carries out Lab value matchings, so that it is determined that at least one alternative printing ink combination and exporting corresponding preview display effect；
Select determination sub-module, the alternative printing ink group selected according to the preview display effect for obtaining user
It closes, so that it is determined that the model and dosage of the printing ink used needed for described.
As a further improvement of the above technical scheme, the alternative output sub-module includes：
Establishing equation subelement, for being established with black equation according to CIE standard colorimetric systems and the basic ink library；
Selection subelement is calculated, for being used for black equation and the Lab value range computations selection of the permission according to described
The printing ink and proportioning of color matching, so that it is determined that the alternative printing ink combination；
Color matching output subelement, it is described right to export for carrying out computer for colouring according to the alternative printing ink combination
The preview display effect answered.
A kind of terminal, including memory and processor, the memory is for storing computer program, the processor
The computer program is executed so that the terminal realizes the printing color matching method described in any of the above item.
A kind of computer readable storage medium is stored with the computer program performed by the terminal.
The beneficial effects of the invention are as follows：
Requirement is allowed to carry out Modeling Calculation according to the Lab values of sample map file, the basic ink library of our factory and aberration, quantitatively
The model and proportioning dosage of the printing ink used needed for determination, aberration inspection are carried out after trial, color matching quality science is consistent, has
Effect ground reduces the number and waste of material allocated repeatedly, avoids polluting damage, standardization level Gao Erxiao to operating personnel
Rate protrudes.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart for the printing color matching method that the embodiment of the present invention 1 provides；
Fig. 2 is the flow chart of the step C for the printing color matching method that the embodiment of the present invention 1 provides；
Fig. 3 is the flow chart of the step C2 for the printing color matching method that the embodiment of the present invention 1 provides；
Fig. 4 is the flow chart of the step E for the printing color matching method that the embodiment of the present invention 1 provides；
Fig. 5 is the structural schematic diagram for the printing color matching device that the embodiment of the present invention 2 provides；
Fig. 6 is the structural schematic diagram of the color matching calculation module for the printing color matching device that the embodiment of the present invention 2 provides；
Fig. 7 is the structural schematic diagram of the calculating selection subelement for the printing color matching device that the embodiment of the present invention 2 provides；
Fig. 8 is the structural schematic diagram for the terminal that the embodiment of the present invention 3 provides.
Main element symbol description：
100- printing color matching devices, 110- data build library module, the first acquisition modules of 120-, 130- color matching calculation modules,
131- range determination submodules, the alternative output sub-modules of 132-, 132a- establishing equation subelements, it is single that 132b- calculates selection
Member, 132c- color matching output subelements, 133- select determination sub-module, the second acquisition modules of 140-, 150- to examine comparing module,
200- terminals, 210- memories, 220- processors, 230- input units, 240- display units.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to printing color matching method, device, terminal and computer
Readable storage medium storing program for executing is described more fully.Printing color matching method, device, terminal is given in attached drawing to deposit with computer-readable
The preferred embodiment of storage media.But printing color matching method, device, terminal and computer readable storage medium can be by being permitted
Mostly different form is realized, however it is not limited to embodiment described herein.Make on the contrary, purpose of providing these embodiments is
It is more thorough and comprehensive to the disclosure of printing color matching method, device, terminal and computer readable storage medium.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element is referred to as " directly existing " another element "upper",
There is no intermediary elements.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Herein in printing color matching method, device, terminal and computer readable storage medium
Term used in the description be only for the purpose of describing specific embodiments and be not intended to limit the present invention.Herein
Used term " and/or " include one or more relevant Listed Items any and all combinations.
Embodiment 1
Referring to Fig. 1, the present embodiment provides a kind of printing color matching method, the method comprising the steps of A~E：
A：Basic ink library is established according to ink is printed used in printing equipment.The off-set oil that each printing equipment uses
The type of ink is different with character, causes color matching relationship to be different, is actually used to printing equipment with needing applicability
Printing ink builds library, foundation so as to color matching calculation and when type selecting.
As previously mentioned, basic ink library includes the character for printing ink.Exemplarily, the character for printing ink includes type
Number, the parameters such as Lab values, density, aberration and viscosity.Wherein, Lab values include three elements, i.e. brightness (L) and two color essentials
(a, b), a indicate that the range from carmetta to green, b indicate the range from yellow to blue.
B：Obtain the Lab values of sample map file.Sample map file is loaded with printed matter shape, color and pattern distribution by design
Information.In general, sample map file is picture format, including the color used needed for client.Exemplarily, sample map file
Lab values are obtained by scanner scanning.
C：According to the type for the printing ink that the Lab values of the sample map file use in the basic ink library needed for determination
Number and dosage.It is appreciated that the color needs of sample map file are formed by the printing ink formulation in basic ink library.Visibly,
The Lab values of sample map file and the Lab values of the printing ink in basic ink library have correspondence with proportioning, according to this correspondence
Relationship can carry out quantitative calculating.
Particularly, correspondence and density, aberration and the viscosity of printing ink are further contemplated that, to more precisely
Determine Lab values and proportioning.For example, the density of printing ink directly affects its dosage；For another example, the color of ink and standard color is printed
Difference influences practical color matching result；For another example, the viscosity for printing ink has important shadow to the color blend of different printing ink
It rings.Wherein, correspondence can carry out repetition experiment with standard color according to basic ink library and determine, to reflect different prints
Matching relationship between brush ink and allotment result.
Referring to Fig. 2, exemplarily, step C includes step C1~3：
Step C1：The Lab value ranges allowed are determined according to the Lab values of the sample map file and the aberration permissible range.
Aberration permissible range determines that aberration in the range is acceptable error, the face allocated by our factory's quality inspection requirement
Color and the color of sample map file are almost the same.Visibly, the interval value that the Lab values of permission ranging from error allows, improves color matching
Efficiency.
Step C2：Lab values are carried out according to the printing ink in the Lab values range of the permission and the basic ink library
Match, so that it is determined that at least one alternative printing ink combination and exporting corresponding preview display effect.Wherein, any alternative printing
Ink combination includes that the model for the printing ink for forming the combination and dosage (match).
It is appreciated that a variety of different schemes of colour there may be similar color matching effect, it is respectively positioned on the Lab value models of permission
In enclosing, to form at least one alternative printing ink combination.In turn, computer for colouring is carried out to alternatively printing ink combination,
To in exporting preview display effect in display equipment, be selected to compare.
Referring to Fig. 3, exemplarily, step C2 includes step C21~23：
Step C21：It is established with black equation according to CIE standard colorimetric systems and the basic ink library.CIE standard colorimetrics system
System is the modular system formulated by International Commission on Illumination, and colorimetry model is established using mathematical method.According to basic ink library
Printing ink carries out repeating to allocate testing (different model, different ratio etc.), the allotment result recorded (including lightness, color
The information such as chroma, saturation degree), black equation is matched based on our factory's working condition to establish.
Step C22：According to the off-set oil for being used for color matching with the Lab value range computations selection of the permission with black equation
Ink and proportioning (dosage), so that it is determined that the alternative printing ink combination.The Lab value ranges of permission are substituted into ink equation, and
The character parameter for traversing basic ink library and introducing all printing ink carries out matching solution, so that it is determined that all possible alternative
Print ink combination.
Step C23：It is aobvious to export the corresponding preview that computer for colouring is carried out according to the alternative printing ink combination
Show effect.It, should the whole alternative printing ink combinations correspondences of synchronism output when the quantity of alternatively printing ink combination is plural
Preview display effect, so as to be compared selection.
Step C3：The alternative printing ink combination that user selects according to the preview display effect is obtained, so that it is determined that institute
The model and dosage of the printing ink used needed for stating.User by observe synchronism output whole preview display effects, and with
Sample map file compares, so that it is determined that closest alternative printing ink combination.System obtains the selection result of user, you can really
The model and dosage of the printing ink used needed for fixed.
D：The Lab values of color matching sample are obtained, the color matching sample is by the required model and use for printing ink used
The practical color matching of amount obtains.In other words, color matching sample is the actual product obtained after being mixed by printing ink.Wherein, color matching sample
Lab values can be obtained by scanner scanning.
E：Judge the aberration of color matching sample and the sample map file whether in aberration permissible range.If then matching colors
Otherwise success re-executes step B~D until color matching sample and the aberration of sample map file are in aberration permissible range.Wherein, color
Difference includes luminosity equation, colour difference and total color difference.
Referring to Fig. 4, exemplarily, step E includes step E1~2：
Step E1：Calculate luminosity equation, colour difference and the total color difference of the color matching sample and the sample map file.In Lab colors
Under color pattern, luminosity equation is Δ L, and colour difference is Δ a, Δ b, and total color difference is (Δ L)2+(Δa)2+(Δb)2。
Step E2：Whether luminosity equation described in multilevel iudge, the colour difference, the total color difference are in the aberration allowable range
It is interior.If judging result is to be, show to match colors successfully, can be used for producing.
Embodiment 2
Referring to Fig. 5, the present embodiment provides a kind of printing color matching device 100, which includes：
Data build library module 110, for establishing basic ink library according to printing ink used in printing equipment；
First acquisition module 120, the Lab values for obtaining sample map file；
Color matching calculation module 130, needed for being determined in the basic ink library according to the Lab values of the sample map file
The model and dosage of the printing ink used；
Second acquisition module 140, the Lab values for obtaining color matching sample, the sample of matching colors required are used by described
The model and the practical color matching of dosage for printing ink obtain；
Comparing module 150 is examined, whether the aberration for judging the color matching sample with the sample map file is in aberration appearance
Perhaps in range.
Referring to Fig. 6, exemplarily, color matching calculation module 130 includes：
Range determination submodule 131 is permitted for being determined with the aberration permissible range according to the Lab values of the sample map file
Perhaps Lab value ranges；
Alternative output sub-module 132, for the Lab values range according to the permission and the printing in the basic ink library
Ink carries out Lab value matchings, so that it is determined that at least one alternative printing ink combination and exporting corresponding preview display effect；
Select determination sub-module 133, the alternative printing ink selected according to the preview display effect for obtaining user
Combination, so that it is determined that the model and dosage of the printing ink used needed for described.
Referring to Fig. 7, exemplarily, alternative output sub-module 132 includes：
Establishing equation subelement 132a matches ink side for being established with the basic ink library according to CIE standard colorimetric systems
Journey；
Selection subelement 132b is calculated, for being selected with black equation and the Lab value range computations of the permission according to described
For the printing ink and proportioning of color matching, so that it is determined that the alternative printing ink combination；
Color matching output subelement 132c, for carrying out computer for colouring according to the alternative printing ink combination to export
State corresponding preview display effect.
Embodiment 3
Referring to Fig. 8, the present embodiment provides a kind of terminal 200, which includes memory 210 and processor
220, memory 210 executes computer program so that terminal 200 realizes the above institute for storing computer program, processor 220
The printing color matching method stated.
Wherein, terminal 200 includes the terminal device (such as computer, server etc.) for not having mobile communication ability, also
Including mobile terminal (such as smart phone, tablet computer, vehicle-mounted computer, intelligent wearable device etc.).
Memory 210 may include storing program area and storage data field.Wherein, storing program area can storage program area,
Application program (such as sound-playing function, image player function etc.) needed at least one function etc.；Storage data field can deposit
Storage uses created data (such as audio data, backup file etc.) etc. according to terminal 200.In addition, memory 210 can be with
Can also include nonvolatile memory (for example, at least disk memory, a flash memory including high-speed random access memory
Device or other volatile solid-state parts).
Preferably, terminal 200 further includes input unit 230 and display unit 240.Wherein, input unit 230 is for receiving
Instructions or parameter (including default roll mode, prefixed time interval roll number with default) input by user, including mouse
Mark, keyboard, touch panel and other input equipments.Display unit 240 for display terminal 200 various output informations (including
Webpage, parameter configuration interface etc.), including display panel.
A kind of computer readable storage medium is provided in this together, is stored with the computer journey performed by terminal
Sequence.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, the flow chart in attached drawing and structure
Figure show the device of multiple embodiments according to the present invention, method and computer program product system frame in the cards
Structure, function and operation.In this regard, each box in flowchart or block diagram can represent a module, section or code
A part, the part of the module, section or code includes one or more for implementing the specified logical function
Executable instruction.
It should also be noted that in the realization method as replacement, the function of being marked in box can also be attached to be different from
The sequence marked in figure occurs.For example, two continuous boxes can essentially be basically executed in parallel, they also may be used sometimes
To execute in the opposite order, this is depended on the functions involved.
It is also noted that in each box and structure chart and/or flow chart in structure chart and/or flow chart
The combination of box, the dedicated hardware based system of function or action as defined in execution are realized, or can be used
The combination of specialized hardware and computer instruction is realized.
In addition, each function module or unit in each embodiment of the present invention can integrate and to form an independence
Part, can also be modules individualism, can also two or more modules be integrated to form an independent part.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be intelligence
Can mobile phone, personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can to store program code
Medium.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustrative, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Cannot limitation of the scope of the invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection model of the present invention
It encloses.Therefore, protection scope of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of printing color matching method, which is characterized in that including：
Basic ink library is established according to ink is printed used in printing equipment；
Obtain the Lab values of sample map file；
According to the model and use of the printing ink that the Lab values of the sample map file use in the basic ink library needed for determination
Amount；
The Lab values of color matching sample are obtained, the color matching sample is practical by the model and dosage of the required printing ink used
Color matching obtains；
Judge the aberration of color matching sample and the sample map file whether in aberration permissible range.
2. printing color matching method according to claim 1, which is characterized in that the dosage of the printing ink used needed for described
It is determined according to Lab values, density, aberration and the viscosity of the printing ink.
3. printing color matching method according to claim 2, which is characterized in that " according to the Lab values of the sample map file in institute
State the model and dosage of the printing ink used needed for being determined in basic ink library " include：
The Lab value ranges allowed are determined according to the Lab values of the sample map file and the aberration permissible range；
Lab value matchings are carried out according to the printing ink in the Lab values range of the permission and the basic ink library, so that it is determined that
At least one alternative printing ink combination simultaneously exports corresponding preview display effect；
The alternative printing ink combination that user selects according to the preview display effect is obtained, so that it is determined that used needed for described
Print the model and dosage of ink.
4. printing color matching method according to claim 3, which is characterized in that " according to the Lab values range of the permission and institute
It states printing ink in basic ink library and carries out Lab value matchings, so that it is determined that at least one alternative printing ink combination and exporting
Corresponding preview display effect " includes：
It is established with black equation according to CIE standard colorimetric systems and the basic ink library；
Printing ink and proportioning for color matching are selected according to the Lab value range computations with black equation and the permission, from
And determine the alternative printing ink combination；
Computer for colouring is carried out to export the corresponding preview display effect according to the alternative printing ink combination.
5. printing color matching method according to claim 2, which is characterized in that " judge the color matching sample and the sample
Whether the aberration of map file is in aberration permissible range " include：
Calculate luminosity equation, colour difference and the total color difference of the color matching sample and the sample map file；
Whether luminosity equation described in multilevel iudge, the colour difference, the total color difference are in the aberration allowable range.
The device 6. a kind of printing is matched colors, which is characterized in that including：
Data build library module, for establishing basic ink library according to printing ink used in printing equipment；
First acquisition module, the Lab values for obtaining sample map file；
Color matching calculation module, for what is used needed for determination in the basic ink library according to the Lab values of the sample map file
Print the model and dosage of ink；
Second acquisition module, the Lab values for obtaining color matching sample, the color matching sample is by the required printing ink used
Model and dosage it is practical color matching obtain；
Comparing module is examined, whether the aberration for judging the color matching sample with the sample map file is in aberration permissible range
It is interior.
The device 7. printing according to claim 6 is matched colors, which is characterized in that the color matching calculation module includes：
Range determination submodule, for determining the Lab allowed with the aberration permissible range according to the Lab values of the sample map file
It is worth range；
Alternative output sub-module, for according to the printing ink in the Lab values range of the permission and the basic ink library into
Row Lab values match, so that it is determined that at least one alternative printing ink combination and exporting corresponding preview display effect；
Selection determination sub-module, the alternative printing ink combination selected according to the preview display effect for obtaining user, from
And determine the model and dosage of the required printing ink used.
The device 8. printing according to claim 7 is matched colors, which is characterized in that the alternative output sub-module includes：
Establishing equation subelement, for being established with black equation according to CIE standard colorimetric systems and the basic ink library；
Selection subelement is calculated, for being selected with black equation and the Lab value range computations of the permission for matching colors according to described
Printing ink and proportioning, so that it is determined that the alternative printing ink combination；
Color matching output subelement, it is described corresponding to export for carrying out computer for colouring according to the alternative printing ink combination
Preview display effect.
9. a kind of terminal, which is characterized in that including memory and processor, the memory is used to store computer program,
The processor executes the computer program so that the terminal realizes that printing according to any one of claims 1 to 5 is matched
Color method.
10. a kind of computer readable storage medium, which is characterized in that it is stored with performed by the terminal described in claim 9
The computer program.
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| CN113776667A (en) * | 2021-09-30 | 2021-12-10 | 杭州日报报业集团盛元印务有限公司 | Offset printing special color ink blending method based on ink LAB value |
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Application publication date: 20181113 |