CN108819492B - Digital sample printing color correcting method and device before environment protecting paper process color color printing - Google Patents
Digital sample printing color correcting method and device before environment protecting paper process color color printing Download PDFInfo
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- CN108819492B CN108819492B CN201810497360.5A CN201810497360A CN108819492B CN 108819492 B CN108819492 B CN 108819492B CN 201810497360 A CN201810497360 A CN 201810497360A CN 108819492 B CN108819492 B CN 108819492B
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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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
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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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- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/44—Typewriters or selective printing mechanisms having dual functions or combined with, or coupled to, apparatus performing other functions
- B41J3/445—Printers integrated in other types of apparatus, e.g. printers integrated in cameras
Abstract
The embodiment of the present invention provides digital sample printing color correcting method and device before a kind of environment protecting paper process color color printing, applied to digital sample printing colour correction equipment before an environment protecting paper process color color printing, which comprises go out the first print sample in a print on paper according to an original image；Matching based on first print sample and the original image and obtain the first input picture after a colorific adjustment；Go out the second print sample in a print on paper according to first input picture.Adjustment is compared with original image according to the first print sample actually printed, first input picture different from original image is generated, so that the second print sample generated according to the first input picture is more nearly original image compared to the first original print sample.
Description
Technical field
The present invention relates to print fields, in particular to digital sample printing color school before a kind of environment protecting paper process color color printing
Correction method and device.
Background technique
In printing industry, usually such as printing carrier as paper and print ink combination and lead to printed product
Color serious distortion.Such as in the production of environmentally friendly speciality paper printed matter, since the paper color of environmentally friendly speciality paper is not actual
White, color can lead to printed product cross-color because of the color of environmentally friendly speciality paper itself after printing.General way is
It is debugged by artificial color, so that the ink of a certain specific printing carrier is targetedly arranged.But due to printing
The type of carrier is varied, and the debugging result of each printing carrier is all different.If being completely dependent on manual debugging, consumption
When effort, or even sometimes can not effectively accomplish accurately to debug.At present in environment protecting paper print production, all seeking a kind of mould
The digital color specimen page of quasi- practical printing color result, the standard as the debugging of environment protecting paper print production color.
Summary of the invention
In view of this, a kind of digital sample printing color before being designed to provide environment protecting paper process color color printing of the embodiment of the present invention
Bearing calibration and device, for the above problem, to provide a kind of technology solution route.
In a first aspect, the embodiment of the invention provides digital sample printing colour correction sides before a kind of environment protecting paper process color color printing
Method is applied to digital sample printing colour correction equipment before an environment protecting paper process color color printing, which comprises according to an original image
Go out the first print sample in a print on paper；Matching based on first print sample and the original image and obtain one
The first input picture after colorific adjustment；Go out the second print sample in a print on paper according to first input picture.
Further, the matching based on first print sample and the original image and obtain a colorific adjustment
The first input picture afterwards includes；It scans first print sample and obtains the first printing corresponding with first print sample
Image；The all pixels point of image all has the numerical value of three cyan value, pinkish red color value and yellow value dimensions；Based on described first
It is first defeated after the matching numerically of three dimensions obtains a colorific adjustment to print image and the original image
Enter image.
Further, it is described based on it is described first printing image and the original image three dimensions numerically
Matching and the first input picture after obtaining a colorific adjustment includes: by the cyan value of the original image all pixels point
The cyan value and the difference that obtains of first printing image all pixels point described in two demultiplications are set as the institute of first input picture
There is the cyan value of pixel.
Further, it is described based on it is described first printing image and the original image three dimensions numerically
Matching and the first input picture after obtaining a colorific adjustment includes: by the pinkish red color value of the original image all pixels point
Two demultiplications described in the first printing image all pixels point pinkish red color value and the difference that obtains is set as first input picture
All pixels point pinkish red color value.
Further, it is described based on it is described first printing image and the original image three dimensions numerically
Matching and the first input picture after obtaining a colorific adjustment includes: by the yellow value of the original image all pixels point
The yellow value and the difference that obtains of first printing image all pixels point described in two demultiplications are set as the institute of first input picture
There is the yellow value of pixel.
Further, it is described according to first input picture after a print on paper goes out the second print sample, institute
State method further include: the matching based on second print sample and the original image and obtain second after a colorific adjustment
Input picture；Go out third print sample in a print on paper according to second input picture.
Second aspect, the embodiment of the invention provides digital sample printing colour corrections before a kind of environment protecting paper process color color printing to fill
It sets, includes: print module and matching module applied to a color printing calibration equipment described device；The print module, is used for
Go out the first print sample in a print on paper according to an original image；The matching module, for based on first printing
The matching of specimen page and the original image and obtain the first input picture after a colorific adjustment；The print module, is also used to
Go out the second print sample in a print on paper according to first input picture.
Further, the matching module includes: scanning element and correction unit；The scanning element, for scanning
It states the first print sample and obtains the first printing image corresponding with first print sample；The all pixels point of image all has
The numerical value of three cyan value, pinkish red color value and yellow value dimensions；The correction unit, for based on it is described first printing image with
The original image three dimensions matching numerically and the first input picture after obtaining a colorific adjustment.
Further, the correction unit includes: cyan value correction subelement, pinkish red color value syndrome unit and yellow value
Correct subelement；The cyan value corrects subelement, for by two demultiplications of the cyan value of the original image all pixels point
The cyan value of the first printing image all pixels point and the difference that obtains are set as all pixels of first input picture
The cyan value of point；The magenta color value syndrome unit, for by the two of the pinkish red color value of the original image all pixels point
The pinkish red color value and the difference that obtains of first printing image all pixels point described in demultiplication are set as the institute of first input picture
There is the pinkish red color value of pixel；The yellow value corrects subelement, for by the yellow value of the original image all pixels point
Two demultiplications described in the first printing image all pixels point yellow value and the difference that obtains is set as first input picture
The yellow value of all pixels point.
Further, the matching module is also used to the matching based on second print sample and the original image
And obtain the second input picture after a colorific adjustment；The print module is also used to according to second input picture one
Print on paper goes out third print sample.
The beneficial effect of the embodiment of the present invention is:
The embodiment of the present invention provides digital sample printing color correcting method and device before a kind of environment protecting paper process color color printing, application
The digital sample printing colour correction equipment before an environment protecting paper process color color printing, which comprises according to an original image in a paper
The first print sample is printed on；Matching based on first print sample and the original image and obtain a color school
The first input picture after standard；Go out the second print sample in a print on paper according to first input picture.According to reality
It prints the first print sample removed and adjustment is compared with original image, generate first input picture different from original image,
So that the second print sample generated according to the first input picture is more nearly original graph compared to the first original print sample
Picture.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that by implementing understanding of the embodiment of the present invention.The objectives and other advantages of the invention can be by written theory
Specifically noted structure is achieved and obtained in bright book, claims and attached drawing.
Detailed description of the invention
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 digital sample printing color calibration system before a kind of environment protecting paper process color color printing that first embodiment of the invention provides
Structural block diagram；
Fig. 2 is digital sample printing color correcting method before a kind of environment protecting paper process color color printing that second embodiment of the invention provides
Flow chart；
Fig. 3 is digital sample printing colour correcting apparatus before a kind of environment protecting paper process color color printing that third embodiment of the invention provides
Module map；
Fig. 4 is digital sample printing colour correcting apparatus before a kind of environment protecting paper process color color printing that third embodiment of the invention provides
Matching module module map；
Fig. 5 is digital sample printing colour correcting apparatus before a kind of environment protecting paper process color color printing that third embodiment of the invention provides
Matching module correction unit module map.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
First embodiment
Referring to Fig. 1, first embodiment of the invention provides digital sample printing color school before a kind of environment protecting paper process color color printing
Positive system 10, the system comprises: digital sample printing colour correction equipment 11 and power supply 12, the ring before environment protecting paper process color color printing
Digital sample printing colour correction equipment 11 is connect with the power supply 12 before protecting the color printing of paper process color.
Digital sample printing colour correction equipment 11 is one to have printing, scanning and certain before the environment protecting paper process color color printing
The embedded device of operational analysis ability can optionally be connected and composed by personal computer, printer and scanner.More than
Only inventive embodiments for example, not limiting the embodiment of the present invention.Environment protecting paper printing in the embodiment of the present invention
Digital sample printing colour correction equipment 11, can also be by personal computer and the tool connected to personal computer before color prints
There is full automatic print scanned integrated equipment, such equipment can be manufactured easily in the prior art, be implemented in the present invention
Tired state is not done in example.
The power supply 12 is optionally supplying cell or civilian/industrial power supply route.
Second embodiment
Referring to figure 2., digital sample printing color school before a kind of environment protecting paper process color color printing that second embodiment of the invention provides
Correction method is applied to digital sample printing colour correction equipment before an environment protecting paper process color color printing, and the method specifically includes: step
S100, step S200 and step S300.
Step S100: the first print sample is gone out in a print on paper according to an original image.
The original image is a digitized image, and input data of the original image as printing terminal makes to beat
Blueness, magenta, the ratio and amount of Huang and black four kinds of printings color attribute ink that terminal configures printer according to the input data are printed,
The pixel of corresponding color is printed on each position of printing carrier.Black print color attribute ink is used as when green, product
It is red that with yellow three kinds to print setting value of the setting value on a pixel of color attribute ink identical, as equivalencing, with
The ink of colour print color attribute is saved, any colour print color attribute can be by green, pinkish red, yellow three kinds of printing color categories
The ink of property is formed by fixed proportion hybrid modulation.For example, the color data of three dimensions on a pixel be (20,50,
60), then the black ink that the color data being substituted in three dimensions that can be of equal value is (0,30,40) and numerical value is 20
In conjunction with it is that the color inks of (20,20,20) are taken that the black ink that substantially numerical value is 20, which is equivalent to color data in three dimensions,
Match.
Before actually printing, the color data of each pixel can be by the face of three dimensions when being input to a printing terminal
Blueness that color numerical equivalence is converted to, magenta, Huang and black four dimensions color data, there is green, pinkish red, yellow and black four with adaptation
The printing device of the ink of kind printing color attribute.
Step S200: the matching based on first print sample and the original image and after obtaining a colorific adjustment
First input picture.
In step s 200, comprising: step S210 and step S230.
Step S210: scanning first print sample obtains the first printing figure corresponding with first print sample
Picture；The all pixels point of image all has the numerical value of three cyan value, pinkish red color value and yellow value dimensions.
First print sample is printed on printed product on this printing carrier of such as paper as one, is with original
Image as printing terminal input data and obtain.When printing, it is arranged according to the color data of each pixel, corresponds to
Color.
Step S220: image and the original image are printed in numerically of three dimensions based on described first
Match and obtains the first input picture after a colorific adjustment.
The matching is exactly to carry out green, pinkish red, three dimensions of Huang color on each pixel just to proofread one by one, specifically
Proofreading method, in subsequent specific explanations.
Step S200 continues to execute step S300 after being finished.
Step S300: the second print sample is gone out in a print on paper according to first input picture.
Wherein, specific as follows there are the operation of following three parts in step S220:
A. by the first printing image all pixels point described in two demultiplications of the cyan value of the original image all pixels point
Cyan value and the difference that obtains be set as first input picture all pixels point cyan value.
B. by the first printing image all pixels described in two demultiplications of the pinkish red color value of the original image all pixels point
The pinkish red color value of point and the difference that obtains are set as the pinkish red color value of all pixels point of first input picture.
C. by the first printing image all pixels point described in two demultiplications of the yellow value of the original image all pixels point
Yellow value and the difference that obtains be set as first input picture all pixels point yellow value.
In step S220, the operation of above three part is actually calculated in three dimensions of the first printing image
Color data and original image difference, then the difference is added on the color data of each dimension of original image (
To the first input picture) to realize check and correction.Such as a pixel, the blueness of the point, magenta, Huang three on original image
The numerical value of dimension is (20,30,40), goes out the first print sample in print on paper, and the first print sample generates the after scanning
One printing image, the first printing image exist in a manner of electronic data information, it is possible to according to the first printing image viewing
The color data of the point on to the first print sample.Because of specific different printing carrier, the face of the print sample printed
Colour cast from effect be all different, so in this example, be manually set at (25,20,30), respectively correspond blueness in order
Color, magenta and yellow.The latitude of each color distinguishes adjustment, first cyan, and numerical value is 25 on the first print sample, than original
Image more 5, it was demonstrated that, in the ideal case, paper will increase 5 in this dimension of cyan, then corresponding defeated first
The numerical value on image on this latitude of the cyan of the point accordingly reduces 5, as 15 out.Similarly, in this dimension of point magenta,
First print sample fewer than original image 10 certainly will increase by 10 numerical value in printing in the ideal case, i.e. the point
Magenta numerical value is 40, is similarly 50 on this latitude of yellow.
After step S300 is finished, digital sample printing color correcting method is also wrapped before the environment protecting paper process color color printing
It includes: step S400 and step S500.
Step S400: the matching based on second print sample and the original image and after obtaining a colorific adjustment
Second input picture；
Step S500: third print sample is gone out in a print on paper according to second input picture.
Step S400 and step S500, which is equivalent to, repeats step S200 and step S300 one time, because by above-mentioned
The supplement of color data or reduction numerical value are corrected in three dimensions, are only only in the ideal case disposable accurate
Matching after actually correcting for the first time, is to be difficult completely consistent with original image, but can be determined that, after corrected
The color of second print sample is more nearly and original image compared to the first original print sample.For step S400
It is repeated with as step S500, the number of progress is more, prints the print sample removed just closer to original image, if number
It infinitely, then even can be taking human as being consistent with original image according to the thought of the limit.Certainly, in the specific implementation, user
According to specific circumstances, material resources manpower and time cost are fully considered, it is specific to select based on the scheme that the present embodiment is proposed
It is repeated on the such operation how many times of step S400 and step S500.
3rd embodiment
Please refer to Fig. 3, Fig. 4 and Fig. 5, third embodiment of the invention provides digital before a kind of environment protecting paper process color color printing beat
Sample colour correcting apparatus 100 is applied to digital sample printing colour correction equipment before an environment protecting paper process color color printing, the environment protecting paper print
Digital sample printing colour correcting apparatus 100 includes: print module 110 and matching module 120 before swabbing color printing.
Wherein, the print module 110, for going out the first print sample in a print on paper according to an original image；
The matching module 120 obtains a colorific adjustment for the matching based on first print sample and the original image
The first input picture afterwards.
In addition, the print module 110, is also used to go out the second print in a print on paper according to first input picture
Brush specimen page.
Further, the matching module 120 includes: scanning element 121 and correction unit 122；The scanning element
121, the first printing image corresponding with first print sample is obtained for scanning first print sample；The institute of image
There is pixel to all have the numerical value of three cyan value, pinkish red color value and yellow value dimensions；The correction unit 122, for being based on
The first printing image is with the original image after the matching numerically of three dimensions obtains a colorific adjustment
The first input picture.
Further, the correction unit 122 includes: cyan value correction subelement 1221, pinkish red color value syndrome unit
1222 and yellow value correct subelement 1223；The cyan value corrects subelement 1221, is used for all pictures of the original image
The cyan value and the difference that obtains of first printing image all pixels point described in two demultiplications of the cyan value of vegetarian refreshments are set as described the
The cyan value of all pixels point of one input picture；The magenta color value syndrome unit 1222, is used for the original image
First difference printing the pinkish red color value of image all pixels point and obtaining described in two demultiplications of the pinkish red color value of all pixels point is set
It is set to the pinkish red color value of all pixels point of first input picture；The yellow value corrects subelement 1223, is used for institute
It states the yellow value of the first printing image all pixels point described in two demultiplications of the yellow value of original image all pixels point and obtains
Difference be set as first input picture all pixels point yellow value.
In addition, the matching module 120, be also used to the matching based on second print sample and the original image and
The second input picture after obtaining a colorific adjustment；The print module 110 is also used to according to second input picture one
Print on paper goes out third print sample.
In summary:
The embodiment of the present invention provides digital sample printing color correcting method and device before a kind of environment protecting paper process color color printing, described
Method is applied to digital sample printing colour correction equipment before an environment protecting paper process color color printing, which comprises according to an original graph
As going out the first print sample in a print on paper；Matching based on first print sample and the original image and obtain
The first input picture after one colorific adjustment；Go out the second print sample in a print on paper according to first input picture.
Adjustment is compared with original image according to the first print sample removed is actually printed, it is defeated to generate first different from original image
Enter image, so that the second print sample generated according to the first input picture is more nearly compared to the first original print sample
Original image.
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, flow chart and block diagram in attached drawing
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement
The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes
It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement
It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
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 readable storage medium.Based on this understanding, technical solution 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 embodied 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 a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.It needs
Illustrate, herein, relational terms such as first and second and the like be used merely to by an entity or operation with
Another entity or operation distinguish, and without necessarily requiring or implying between these entities or operation, there are any this realities
The relationship or sequence on border.Moreover, the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Claims (4)
1. digital sample printing color correcting method before a kind of environment protecting paper process color color printing, which is characterized in that be applied to an environment protecting paper and print
Digital sample printing colour correction equipment before swabbing color printing, which comprises
Go out the first print sample in a print on paper according to an original image；
Matching based on first print sample and the original image and obtain the first input picture after a colorific adjustment；
Go out the second print sample in a print on paper according to first input picture；
Wherein, the matching based on first print sample and the original image and obtain the first input after a colorific adjustment
Image, comprising:
It scans first print sample and obtains the first printing image corresponding with first print sample, all pictures of image
Vegetarian refreshments all has the numerical value of three cyan value, pinkish red color value and yellow value dimensions；
By the cyan of the first printing image all pixels point described in two demultiplications of the cyan value of the original image all pixels point
Value and obtain difference be set as first input picture all pixels point cyan value；
By the product of the first printing image all pixels point described in two demultiplications of the pinkish red color value of the original image all pixels point
Red value and the difference obtained are set as the pinkish red color value of all pixels point of first input picture；
By the yellow of the first printing image all pixels point described in two demultiplications of the yellow value of the original image all pixels point
Value and obtain difference be set as first input picture all pixels point yellow value.
2. digital sample printing color correcting method before environment protecting paper process color color printing according to claim 1, which is characterized in that institute
It states according to first input picture after a print on paper goes out the second print sample, the method also includes:
Matching based on second print sample and the original image and obtain the second input picture after a colorific adjustment；
Go out third print sample in a print on paper according to second input picture.
3. digital sample printing colour correcting apparatus before a kind of environment protecting paper process color color printing, which is characterized in that described device includes: printing
Module and matching module；
The print module, for going out the first print sample in a print on paper according to an original image；
The matching module obtains a colorific adjustment for the matching based on first print sample and the original image
The first input picture afterwards；
The print module is also used to go out the second print sample in a print on paper according to first input picture；
Wherein, the matching module include scanning element and correction unit,
The scanning element obtains the first printing corresponding with first print sample for scanning first print sample
Image；The all pixels point of image all has the numerical value of three cyan value, pinkish red color value and yellow value dimensions；
The correction unit includes cyan value correction subelement, pinkish red color value syndrome unit and yellow value correction subelement；Institute
Cyan value correction subelement is stated, for scheming the first printing described in two demultiplications of the cyan value of the original image all pixels point
As all pixels point cyan value and the difference that obtains be set as first input picture all pixels point cyan value；It is described
Pinkish red color value syndrome unit, for being printed described in two demultiplications of the pinkish red color value of the original image all pixels point first
The pinkish red color value of image all pixels point and the difference obtained are set as the magenta of all pixels point of first input picture
Value；The yellow value corrects subelement, for will be first described in two demultiplications of the yellow value of the original image all pixels point
Print the yellow value of image all pixels point and the difference that obtains be set as first input picture all pixels point yellow
Value.
4. digital sample printing colour correcting apparatus before environment protecting paper process color color printing according to claim 3, which is characterized in that institute
State matching module, be also used to the matching based on second print sample and the original image and after obtaining a colorific adjustment
Second input picture；The print module is also used to go out third printing in a print on paper according to second input picture
Specimen page.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497360.5A CN108819492B (en) | 2018-05-22 | 2018-05-22 | Digital sample printing color correcting method and device before environment protecting paper process color color printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497360.5A CN108819492B (en) | 2018-05-22 | 2018-05-22 | Digital sample printing color correcting method and device before environment protecting paper process color color printing |
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| Publication Number | Publication Date |
|---|---|
| CN108819492A CN108819492A (en) | 2018-11-16 |
| CN108819492B true CN108819492B (en) | 2019-10-18 |
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| CN201810497360.5A Active CN108819492B (en) | 2018-05-22 | 2018-05-22 | Digital sample printing color correcting method and device before environment protecting paper process color color printing |
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