CN104441970A - Ink-jet printing double image correction method and apparatus - Google Patents
Ink-jet printing double image correction method and apparatus Download PDFInfo
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Abstract
The invention provides an ink-jet printing double image correction method and apparatus, wherein the method comprises the steps of obtaining an electronic scanning pattern, the electronic scanning pattern being obtained from a detection image composed of actual pixels printed by a nozzle plate; obtaining nozzle double image parameters corresponding with the actual pixels according to the scanning pattern; and correcting the actual pixels in a pre-printed image according to the nozzle double image parameters to obtain a corrected pre-printed image. The ink-jet printing double image correction method and apparatus can mitigate and even eliminate double images generated in ink-jet printing.
Description
Technical field
The present invention relates to the correction field of ghost image in ink jet printing, particularly relate to modification method and the device of ghost image in a kind of ink jet printing.
Background technology
Usually the mode of four-colour chromatography is adopted to print a width coloured image in printing, a subgraph width coloured image being resolved into cmyk tetra-kinds of colors is needed when printing, wherein, c represents blue or green (cyan), m represents pinkish red (magenta), and y represents yellow (yellow), and k represents black (black). as shown in Figure 1, according to the subgraph of the cmyk tetra-kinds of colors obtained, control the work of the shower plate 1 of four different colours respectively.When carrier 2(paper or pottery) when advancing with given pace below shower nozzle 3, the ink droplet 4 allowing these four color spray head 3 spray by the control of print system superposes at carrier 2 same position the colour just defining and want in certain sequence.Wherein, z direction is page orientation.
In order to ensure that four-colour chromatography is accurate, " cross notation " is usually adopted to locate.Get a thinner cross hairs at the same position of carrier by four-colour chromatography, as shown in Figure 2, if four-colour chromatography is accurate, the cross hairs that each color spray head plate prints will overlap, and forms colored cross hairs 5.Otherwise cross hairs just there will be fuzzy, at this time need, by adjustment physical parameter, to change the angle between each shower plate, until the cross hairs printed overlaps.But, as shown in Figure 3, in actual installation process, cannot reach absolute parallel between assorted shower plate, still there is a less angle after calibration, between the colors of both sides, there is the situation of deviation by there will be colored cross hairs 5 center superposition.So, as shown in Figure 4, be existing printing of inkjet printer " son ", " mouse " out two word, can find out thus, in printing process, although carried out the phenomenon that ghost image still unavoidably appears in chromatography calibration.
Adopt mark straight line when extending calibration, and by the phenomenon of manually going the angle adjusted between shower plate can alleviate ghost image, but this way precision is not high, and the angle precision through between the shower plate that " cross notation " is calibrated is usually below 0.2 degree.Secondly, directly go by attendant equipment more complicated of operating machine, and easily damage machinery, cause precise decreasing on the contrary.
Summary of the invention
The technical problem to be solved in the present invention is to provide modification method and the device of ghost image in a kind of ink jet printing, can solve prior art needs manual operation plant equipment to go to adjust the angle between shower plate to four-colour chromatography calibration, more complicated and easily damage machinery, causes the problem of precise decreasing on the contrary.
In order to solve the problem, embodiments of the invention provide the modification method of ghost image in a kind of ink jet printing, comprise the steps:
Obtain an electron scanning figure, described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate;
According to described scintigram, obtain the shower nozzle ghost image parameter corresponding with described actual pixels point;
According to described shower nozzle ghost image parameter, the pixel in pre-print figure is revised, obtain revised pre-print figure.
Wherein, described according to described scintigram, the step obtaining the shower nozzle ghost image parameter corresponding with described actual pixels point comprises:
Determine the desirable pre-print figure that described scintigram is corresponding, described desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation;
Determine the position of the ideal pixel point in the position of the actual pixels point in described scintigram and described desirable pre-print figure;
According to the position of described actual pixels point and the position of ideal pixel point, determine the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter.
Wherein, describedly determine that the step of the desirable pre-print figure that described scintigram is corresponding comprises:
Obtain when shower plate is perpendicular to page orientation, the ideal pixel point corresponding with described actual pixels point printed on described page orientation by described shower plate;
The ideal pixel point corresponding with described actual pixels point printed on described page orientation according to described shower plate, obtains described desirable pre-print figure.
Wherein, describedly to revise the pixel in pre-print figure according to described shower nozzle ghost image parameter, the step obtaining revised pre-print figure comprises:
By the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, obtain revised pre-print figure.
Wherein, described by the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, the step obtaining revised pre-print figure specifically comprises:
When displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding is length corresponding to N number of pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the second length that to be the first length that N number of pixel is corresponding corresponding with N+0.5 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the 3rd length that to be the second length that N+0.5 pixel is corresponding corresponding with N+1 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along page orientation translation N+1 pixel, obtain revised pixel; Wherein N is positive integer;
According to described revised pixel, obtain revised pre-print figure.
For solving the problems of the technologies described above, embodiments of the invention also provide the correcting device of ghost image in a kind of ink jet printing, comprising:
First acquisition module, for obtaining an electron scanning figure, described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate;
Second acquisition module, for according to described scintigram, obtains the shower nozzle ghost image parameter corresponding with described actual pixels point;
Correcting module, for revising the pixel in pre-print figure according to described shower nozzle ghost image parameter, obtains revised pre-print figure.
Wherein, described second acquisition module comprises:
First determines submodule, and for determining the desirable pre-print figure that described scintigram is corresponding, described desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation;
Second determines submodule, for determining the position of the ideal pixel point in the position of the actual pixels point in described scintigram and described desirable pre-print figure;
3rd determines submodule, for according to the position of described actual pixels point and the position of ideal pixel point, determine the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter.
Wherein, described first determines that submodule comprises:
First obtains submodule, for obtaining when shower plate is perpendicular to page orientation, and the ideal pixel point corresponding with described actual pixels point printed on described page orientation by described shower plate;
Second obtains submodule, for the ideal pixel point corresponding with described actual pixels point printed on described page orientation according to described shower plate, obtains described desirable pre-print figure.
Wherein, described correcting module is used for,
By the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, obtain revised pre-print figure.
Wherein, described correcting module specifically for,
When displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding is length corresponding to N number of pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the second length that to be the first length that N number of pixel is corresponding corresponding with N+0.5 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the 3rd length that to be the second length that N+0.5 pixel is corresponding corresponding with N+1 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along page orientation translation N+1 pixel, obtain revised pixel; Wherein N is positive integer;
According to described revised pixel, obtain revised pre-print figure.
The invention has the beneficial effects as follows:
The modification method of ghost image in a kind of ink jet printing of the present invention, by obtaining an electron scanning figure, described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate; According to described scintigram, obtain the shower nozzle ghost image parameter corresponding with described actual pixels point; According to described shower nozzle ghost image parameter, the pixel in pre-print figure is revised, obtain revised pre-print figure.The ghost image even eliminated and produce in ink jet printing can be alleviated.
Accompanying drawing explanation
Fig. 1 represents four-colour chromatography schematic diagram in prior art;
Fig. 2 represents four-colour chromatography cross notation calibration schematic diagram in prior art;
Fig. 3 represents the generation schematic diagram of ghost image in four-colour chromatography printing in prior art;
Fig. 4 represents the exemplary plot producing ghost image in prior art in four-colour chromatography printing;
Fig. 5 represents the modification method flow chart one of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Fig. 6 represents the ghost image parameter detecting figure of the shower plate of the four-colour chromatography of the embodiment of the present invention;
Fig. 7 represents the modification method flowchart 2 of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Fig. 8 represents the modification method flow chart 3 of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Fig. 9 represents the modification method flow chart four of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Figure 10 represents the modification method flow chart five of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Figure 11 represents the acquisition schematic diagram of the ghost image parameter of the embodiment of the present invention;
Figure 12 represents the ghost image correction schematic diagram of the embodiment of the present invention;
Figure 13 represents the revised print result exemplary plot one of the ghost image of the embodiment of the present invention;
Figure 14 represents the revised print result exemplary plot two of the ghost image of the embodiment of the present invention;
Figure 15 represents the correcting device structural representation one of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Figure 16 represents the correcting device structural representation two of ghost image in a kind of ink jet printing of the embodiment of the present invention;
Figure 17 represents the correcting device structural representation three of ghost image in a kind of ink jet printing of the embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed in prior art needs manual operation plant equipment to go to adjust the angle between shower plate to four-colour chromatography calibration, more complicated and easily damage machinery, cause the problem of precise decreasing on the contrary, modification method and the device of ghost image in a kind of ink jet printing are provided, the ghost image even eliminated and produce in ink jet printing can be alleviated.
As Fig. 5 shows, embodiments of the invention provide the modification method of ghost image in a kind of ink jet printing, comprise the steps:
Step 51, obtains an electron scanning figure, and described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate;
Step 52, according to described scintigram, obtains the shower nozzle ghost image parameter corresponding with described actual pixels point;
Step 53, revises the pixel in pre-print figure according to described shower nozzle ghost image parameter, obtains revised pre-print figure.
In the embodiment shown in fig. 5, described detection figure should be the detection figure that the shower plate of cmyk tetra-colors is corresponding respectively, namely detects respectively the shower plate of four kinds of colors.Such as: when detect the shower plate of c color, detection figure comprises the straight line of a pure c look, and when detect m look, detection figure comprises straight line of a pure m look etc. by that analogy.Certainly in a detection figure, the detection figure of four colors can print together.Detect the schematic diagram of figure as shown in Figure 6.
As shown in Figure 7, in another embodiment of the invention, comprise on the basis of above-mentioned steps 51-53, wherein, described step 52 can specifically comprise:
Step 521, determines the desirable pre-print figure that described scintigram is corresponding, and described desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation;
Step 522, determines the position of the ideal pixel point in the position of the actual pixels point in described scintigram and described desirable pre-print figure;
Step 523, according to the position of described actual pixels point and the position of ideal pixel point, determines the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter.
In the embodiment shown in fig. 7, desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation, if each shower plate all prints according to perpendicular to page orientation, so ghost phenomena can not be produced, in fact, angle is there is between each shower plate, therefore, need the pixel gone out by each nozzle printing in detection figure according to the corresponding pixel points in desirable pre-print figure, revise, concrete, can according to the position of the position of described actual pixels point and ideal pixel point, determine the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter, revised so actual printed drawings ghost image will alleviate even to be eliminated.
As shown in Figure 8, in the above embodiment of the present invention, described step 521 can specifically comprise:
Step 5211, obtains when shower plate is perpendicular to page orientation, the ideal pixel point corresponding with described actual pixels point printed on described page orientation by described shower plate;
Step 5212, the ideal pixel point corresponding with described actual pixels point printed on described page orientation according to described shower plate, obtains described desirable pre-print figure.
As shown in Figure 9, in another embodiment of the invention, comprise on the basis of above-mentioned steps 51-53, wherein, described step 53 comprises:
Step 531, by the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, obtains revised pre-print figure.
When adjusting the pixel of pre-print figure, because the least unit of adjustment is 1 pixel, and the actual shift value not necessarily integer pixel come of obtaining, so, the way that can adopt the way rounded up here or round downwards.Certainly can also adopt other ways, not enumerate at this.
As shown in Figure 10, in another embodiment of the invention, described step 531 specifically comprises:
Step 5311, when displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding is length corresponding to N number of pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Step 5312, time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the second length that to be the first length that N number of pixel is corresponding corresponding with N+0.5 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Step 5313, time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the 3rd length that to be the second length that N+0.5 pixel is corresponding corresponding with N+1 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along page orientation translation N+1 pixel, obtain revised pixel; Wherein N is positive integer.
Step 5314, according to described revised pixel, obtains revised pre-print figure.
Illustrate as follows below in conjunction with the implementation procedure of instantiation to the above embodiment of the present invention:
As shown in Figure 6, in figure, solid line is that ideal line position (can think that detection figure is exactly the figure that contain four straight lines.Comprise: pure c look straight line, pure m look straight line, pure y look straight line, pure k look straight line.), namely perpendicular to position during page orientation z.In figure, arrow is used to determine page orientation z have multiple method to determine page orientation, do not enumerate at this in practical operation.
In figure, dotted line is then the result of actual printing.Visible, after the calibration of cross method, shower plate center aims at, and their center can regard not skew as, the central point of actual printed drawings and desired print figure point coincides, but there is skew on both sides.
As shown in figure 11, the straight-line detection figure printed for the shower plate of a wherein color, dotted line L2 is ideal line, namely at this shower plate perpendicular to the straight line printed during page orientation z; Solid line L1 is the straight line that actual shower plate prints, and is made up of actual pixels points such as A, B, C, D.When obtaining ghost image parameter, first an electron scanning figure of described detection figure is obtained, utilize the central point prerequisite of P through aliging, the skew that is equivalent to all to have followed center point P to ask of the actual pixels points such as A, B, C, D, corresponding side-play amount is respectively dA, dB, dC, dD etc., is the shower nozzle ghost image parameter that in detection figure, actual pixels point A, B, C, D are corresponding;
Certainly, the shower nozzle ghost image parameter on other shower plates also can use as above method to obtain.After the ghost image parameter of all shower nozzles getting four shower plates, arbitrary pre-print figure be made up of a series of pixel all can be revised according to the shower nozzle ghost image parameter corresponding with pixel obtained.Be exemplified below:
As shown in figure 12, a is the position of a wherein actual pixels point before a pre-print figure correction, b is the position of the described pre-print figure middle ideal pixel corresponding with the position a of actual pixels point before described correction, the shower nozzle ghost image parameter that the actual pixels point a of the side-play amount of a and b on page orientation to be dA, dA be above-mentioned acquisition is corresponding.During correction, by the pixel corresponding with ideal pixel point position b before correction, locate along page orientation translation dA to b1, when adjusting the pixel of pre-print figure, according to the way rounded up, such as: if da=0.4 pixel size, then do not adjust, if dA=0.6 pixel size, what then adjust a pixel size along page orientation is moved to b1 place, if dA=1.3 pixel size, what then adjust a pixel size along page orientation is moved to b1 place, if dA=1.6 pixel size, what then adjust 2 pixel sizes along page orientation is moved to b1 place etc. by that analogy.According to the way rounded downwards, such as: if shift value corresponding to shower nozzle ghost image parameter corresponding to pixel is a pixel size between 0 to 1, then do not adjust this pixel, such as, if dA=0.4 pixel size, then do not adjust, if dA=0.6 pixel size, also do not adjust equally; If shift value corresponding to the shower nozzle ghost image parameter that pixel is corresponding is a pixel size between 1 to 2, what then adjust a pixel size along page orientation is moved to b1 place, such as, dA=1.3 pixel size, what then adjust a pixel size along page orientation is moved to b1 place, if dA=1.6 pixel size, what adjust a pixel size along page orientation equally is moved to b1 place, by that analogy, do not enumerate at this.
The skew caused due to plant equipment also exists, after then revising, the position of actual pixels point is at a1 place, the side-play amount of ideal pixel point on page orientation before making revised actual pixels point and revising is 0, to all pixels of described pre-print figure, according to the ghost image parameter of the shower nozzle corresponding with it obtained, and carry out above correction, just can alleviate and even eliminate ghost image.
As shown in figure 13, be the revised printing exemplary plot of " son " word application said method.
As shown in figure 14, be the revised printing exemplary plot of " mouse " word application said method.
As shown in figure 15, embodiments of the invention also provide the correcting device of ghost image in a kind of ink jet printing, comprising:
First acquisition module 61, for obtaining an electron scanning figure, described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate;
Second acquisition module 62, for according to described scintigram, obtains the shower nozzle ghost image parameter corresponding with described actual pixels point;
Correcting module 63, for revising the pixel in pre-print figure according to described shower nozzle ghost image parameter, obtains revised pre-print figure.
Wherein, as shown in figure 16, described second acquisition module 62, comprising:
First determines submodule 621, and for determining the desirable pre-print figure that described scintigram is corresponding, described desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation;
Second determines submodule 622, for determining the position of the ideal pixel point in the position of the actual pixels point in described scintigram and described desirable pre-print figure;
3rd determines submodule 623, for according to the position of described actual pixels point and the position of ideal pixel point, determine the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter.
Wherein, as shown in figure 17, described first determines that submodule 621 comprises:
First obtains submodule 6211, for obtaining when shower plate is perpendicular to page orientation, and the ideal pixel point corresponding with described actual pixels point printed on described page orientation by described shower plate;
Second obtains submodule 6212, for the ideal pixel point corresponding with described actual pixels point printed on described page orientation according to described shower plate, obtains described desirable pre-print figure.
Wherein, described correcting module 63 for,
By the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, obtain revised pre-print figure.
Wherein, described correcting module 63 specifically for,
When displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding is length corresponding to N number of pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the second length that to be the first length that N number of pixel is corresponding corresponding with N+0.5 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the 3rd length that to be the second length that N+0.5 pixel is corresponding corresponding with N+1 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along page orientation translation N+1 pixel, obtain revised pixel; Wherein N is positive integer;
According to described revised pixel, obtain revised pre-print figure.
Certain correcting module 63 can also adopt alternate manner correction, the way rounded downwards as adopted, such as: if shift value corresponding to shower nozzle ghost image parameter corresponding to pixel is a pixel size between 0 to 1, then do not adjust this pixel; If shift value corresponding to the shower nozzle ghost image parameter that pixel is corresponding is a pixel size between 1 to 2, then adjusts the displacement of a pixel size by that analogy along page orientation, do not enumerate at this.
It should be noted that: this device embodiment is the device corresponding with said method embodiment, and in said method embodiment, all implementations are all applicable in the embodiment of this device, also can reach identical technique effect.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the modification method of ghost image in ink jet printing, is characterized in that, comprise the steps:
Obtain an electron scanning figure, described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate;
According to described scintigram, obtain the shower nozzle ghost image parameter corresponding with described actual pixels point;
According to described shower nozzle ghost image parameter, the pixel in pre-print figure is revised, obtain revised pre-print figure.
2. the modification method of ghost image in ink jet printing according to claim 1, it is characterized in that, described according to described scintigram, the step obtaining the shower nozzle ghost image parameter corresponding with described actual pixels point comprises:
Determine the desirable pre-print figure that described scintigram is corresponding, described desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation;
Determine the position of the ideal pixel point in the position of the actual pixels point in described scintigram and described desirable pre-print figure;
According to the position of described actual pixels point and the position of ideal pixel point, determine the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter.
3. the modification method of ghost image in ink jet printing according to claim 2, is characterized in that, describedly determines that the step of the desirable pre-print figure that described scintigram is corresponding comprises:
Obtain when shower plate is perpendicular to page orientation, the ideal pixel point corresponding with described actual pixels point printed on described page orientation by described shower plate;
The ideal pixel point corresponding with described actual pixels point printed on described page orientation according to described shower plate, obtains described desirable pre-print figure.
4. the modification method of ghost image in ink jet printing according to claim 3, is characterized in that, describedly revises the pixel in pre-print figure according to described shower nozzle ghost image parameter, and the step obtaining revised pre-print figure comprises:
By the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, obtain revised pre-print figure.
5. the modification method of ghost image in ink jet printing according to claim 4, it is characterized in that, by the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, the step obtaining revised pre-print figure specifically comprises:
When displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding is length corresponding to N number of pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the second length that to be the first length that N number of pixel is corresponding corresponding with N+0.5 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the 3rd length that to be the second length that N+0.5 pixel is corresponding corresponding with N+1 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along page orientation translation N+1 pixel, obtain revised pixel; Wherein N is positive integer;
According to described revised pixel, obtain revised pre-print figure.
6. the correcting device of ghost image in ink jet printing, is characterized in that, comprising:
First acquisition module, for obtaining an electron scanning figure, described electron scanning figure obtains according to the detection figure be made up of actual pixels point printed by shower plate;
Second acquisition module, for according to described scintigram, obtains the shower nozzle ghost image parameter corresponding with described actual pixels point;
Correcting module, for revising the pixel in pre-print figure according to described shower nozzle ghost image parameter, obtains revised pre-print figure.
7. the correcting device of ghost image in ink jet printing according to claim 6, it is characterized in that, described second acquisition module comprises:
First determines submodule, and for determining the desirable pre-print figure that described scintigram is corresponding, described desirable pre-print figure is that shower plate obtains perpendicular to printing during page orientation;
Second determines submodule, for determining the position of the ideal pixel point in the position of the actual pixels point in described scintigram and described desirable pre-print figure;
3rd determines submodule, for according to the position of described actual pixels point and the position of ideal pixel point, determine the displacement on page orientation between described actual pixels point and the ideal pixel point corresponding with described actual pixels point, using described displacement as described shower nozzle ghost image parameter.
8. the correcting device of ghost image in ink jet printing according to claim 7, it is characterized in that, described first determines that submodule comprises:
First obtains submodule, for obtaining when shower plate is perpendicular to page orientation, and the ideal pixel point corresponding with described actual pixels point printed on described page orientation by described shower plate;
Second obtains submodule, for the ideal pixel point corresponding with described actual pixels point printed on described page orientation according to described shower plate, obtains described desirable pre-print figure.
9. the correcting device of ghost image in ink jet printing according to claim 8, it is characterized in that, described correcting module is used for:
By the position of all pixels in described pre-print figure along displacement corresponding to the shower nozzle ghost image parameter that page orientation translation is corresponding with described pixel, obtain revised pre-print figure.
10. the correcting device of ghost image in ink jet printing according to claim 9, is characterized in that, described correcting module specifically for:
When displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding is length corresponding to N number of pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the second length that to be the first length that N number of pixel is corresponding corresponding with N+0.5 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along the N number of pixel of page orientation translation, obtain revised pixel; Or
Time between displacement corresponding to the shower nozzle ghost image parameter that described pixel is corresponding the 3rd length that to be the second length that N+0.5 pixel is corresponding corresponding with N+1 pixel, by all in described pre-print figure and pixel that described shower nozzle ghost image parameter is corresponding along page orientation translation N+1 pixel, obtain revised pixel; Wherein N is positive integer;
According to described revised pixel, obtain revised pre-print figure.
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| CN110667258A (en) * | 2018-07-03 | 2020-01-10 | 海德堡印刷机械股份公司 | Print quality analysis by means of neural networks |
| CN116619905A (en) * | 2023-07-13 | 2023-08-22 | 深圳市威立印技术有限公司 | Ink jet system for ink jet printer |
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| CN101204888A (en) * | 2006-12-18 | 2008-06-25 | 明基电通股份有限公司 | Printer applicable to uni-directional printing adjusting printing deviation and adjusting method |
| CN102371784A (en) * | 2010-08-16 | 2012-03-14 | 施乐公司 | System and method for correcting stitch error in a staggered printhead assembly |
| CN102729621A (en) * | 2011-03-29 | 2012-10-17 | 富士胶片株式会社 | Recording position error measurement apparatus and method, image forming apparatus and method, and computer-readable medium |
-
2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1734373A (en) * | 2004-08-14 | 2006-02-15 | 三星电子株式会社 | Adjust the method and apparatus that imaging device is aimed at |
| US20070008360A1 (en) * | 2005-07-08 | 2007-01-11 | Canon Kabushiki Kaisha | Printing apparatus and inclination correction method |
| CN101204888A (en) * | 2006-12-18 | 2008-06-25 | 明基电通股份有限公司 | Printer applicable to uni-directional printing adjusting printing deviation and adjusting method |
| CN102371784A (en) * | 2010-08-16 | 2012-03-14 | 施乐公司 | System and method for correcting stitch error in a staggered printhead assembly |
| CN102729621A (en) * | 2011-03-29 | 2012-10-17 | 富士胶片株式会社 | Recording position error measurement apparatus and method, image forming apparatus and method, and computer-readable medium |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110667258A (en) * | 2018-07-03 | 2020-01-10 | 海德堡印刷机械股份公司 | Print quality analysis by means of neural networks |
| CN116619905A (en) * | 2023-07-13 | 2023-08-22 | 深圳市威立印技术有限公司 | Ink jet system for ink jet printer |
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| CN104441970B (en) | 2016-07-27 |
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