CN112114759B - Ink-jet printing data processing method - Google Patents
Ink-jet printing data processing method Download PDFInfo
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- CN112114759B CN112114759B CN202010767806.9A CN202010767806A CN112114759B CN 112114759 B CN112114759 B CN 112114759B CN 202010767806 A CN202010767806 A CN 202010767806A CN 112114759 B CN112114759 B CN 112114759B
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- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 238000007641 inkjet printing Methods 0.000 title abstract description 11
- 239000007921 spray Substances 0.000 claims abstract description 69
- 238000007639 printing Methods 0.000 claims abstract description 54
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000007781 pre-processing Methods 0.000 claims abstract description 20
- 239000003086 colorant Substances 0.000 claims description 9
- 239000000284 extract Substances 0.000 claims description 5
- 238000000547 structure data Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 239000000976 ink Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
-
- 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
- G06F3/1211—Improving printing performance
-
- 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
-
- 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
- G06F3/126—Job scheduling, e.g. queuing, determine appropriate device
- G06F3/1264—Job scheduling, e.g. queuing, determine appropriate device by assigning post-processing resources
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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)
- Ink Jet (AREA)
- Record Information Processing For Printing (AREA)
Abstract
The invention discloses an ink-jet printing data processing method. An inkjet print data processing method of splitting print data into image segments, extracting sub-image segments from the image segments for processing, and processing the print data in parallel, the method comprising the steps of: step 1) preprocessing a printed image, separating image color space data, and splitting the image into image segments; step 2) carrying out secondary treatment according to the parameters of the spray head, extracting sub-image segments from the image segments, and processing the sub-image segments; and 3) collecting and distributing the sub-image segments of each color space, combining to generate nozzle data, and uniformly distributing the nozzle data to corresponding nozzles for printing. According to the invention, the printing data is split into the image segments, the sub-image segments are extracted from the image segments for processing, and the printing data is processed in parallel, so that the data is rapidly and reasonably distributed to the spray heads, and the printing efficiency is effectively improved.
Description
Technical Field
The invention relates to the field of ink-jet printing, in particular to an ink-jet printing data processing method.
Background
In the inkjet printing process, an inkjet printer forms an image by ejecting ink droplets onto a printing medium through a nozzle. The ink required to print an image comprises a combination of one or more colored inks, such as C-cyan, M-magenta, Y-yellow, K-black, with the distribution of the four colors over the print medium ultimately forming the printed image.
To meet different printing requirements, the nozzle structure of the printer can be one-head color or one-head multicolor. One color of one head, namely one nozzle, can print one color, and one nozzle has a plurality of channels for one head with multiple colors, such as one head with double colors, namely one nozzle can print two colors, such as cyan and magenta; for one head with four colors, i.e. one nozzle can print out four colors, such as cyan, magenta, yellow and black above.
The spray heads can be spliced and combined to form a wider printing area, so that printing is more efficient, for example, the spray heads with one color can be spliced or the spray heads with one color can be spliced to form wider printing.
In printing for splicing the nozzles, the printed image data needs to be split and combined, and the data is accurately and rapidly distributed to the nozzles and the channels thereof.
The existing printing data processing technology lacks flexible adaptation to a nozzle structure, has low processing efficiency on printing data, and cannot rapidly and effectively distribute the printing data to the nozzle for printing.
Disclosure of Invention
The invention aims to: the invention aims to solve the defects in the prior art, and provides an inkjet printing data processing method which can rapidly and accurately distribute printing data to a spray head and effectively improve printing efficiency.
The technical scheme is as follows: the invention relates to an ink-jet printing data processing method, which divides printing data into image segments, extracts sub-image segments from the image segments for processing, and processes the printing data in parallel, and comprises the following steps:
step 1) preprocessing a printed image, separating image color space data, and splitting the image into image segments;
step 2) carrying out secondary treatment according to the parameters of the spray head, extracting sub-image segments from the image segments, and processing the sub-image segments;
and 3) collecting and distributing the sub-image segments of each color space, combining to generate nozzle data, and uniformly distributing the nozzle data to corresponding nozzles for printing.
The invention is further improved in that:
in the step 1), the image preprocessing separates the images through a preprocessing module;
as four-color printing (c=cyan, m=magenta, y=yellow, k=black), a color space image of CMYK will be separated from the original image;
the image preprocessing module splits the image of each color space into image segments according to parameters of the spray head, wherein the parameters of the spray head comprise printing width and PASS number.
The invention is further improved in that:
the image segments are images of a single color space, the size and the number of the image segments split by each color space are the same, and the image segments of each color space are in one-to-one correspondence.
The invention is further improved in that:
in the step 2), extracting the sub-image segments from the image segments according to the parameters of the spray heads by secondary treatment; sub-image segment processing includes rotation and mirroring operations of the sub-image segments.
The invention is further improved in that:
in the step 2), the structure parameters of the spray heads comprise the number of spray nozzles of the spray heads, the starting and stopping positions of the spray heads, the number of spray heads, the width of the spray heads, sub spray heads and the arrangement mode parameters of the spray heads;
the sub-image segments are divided and extracted according to nozzle parameters, such as the number of sub-nozzles, and the width parameters of the sub-nozzles, and according to the nozzle structure, one image segment can comprise one sub-image segment or a plurality of sub-image segments, the sub-image segments have the same size and number, and the sub-image segments in the corresponding image segments of each color space are in one-to-one correspondence.
The invention is further improved in that:
in step 2), sub-image segment processing, including rotating the image by an angle: the image is mirrored by 90 degrees counter-clockwise rotation, and the left-right order of the image is reversed.
The invention is further improved in that:
in step 2), the extraction of sub-image segments and the processing of sub-image segments are performed in parallel, the image segments of each color space corresponding to the processing of their sub-image segments.
The invention is further improved in that:
in step 3), collecting the allocation includes: and collecting sub-image segments, splicing sub-image segment data, processing to generate data structure data required by the spray head, and distributing the data to the spray head for printing.
The invention is further improved in that:
collecting according to a printing color space configured by the spray heads, and if one spray head contains two colors, collecting sub-image segment data of the corresponding two color spaces;
and the splicing is to splice the collected sub-image segment data of the color space into corresponding image data according to the sequence of the color space in the spray head combination and the splicing position parameters.
The invention is further improved in that:
and generating print data of the spray head for the spliced image data according to a data structure required by the spray head, if the spray head needs to expand one-bit data into two-bit data, sending the processed data to the spray head for printing.
Compared with the prior art, the ink-jet printing data processing method provided by the invention has the advantages that at least the following beneficial effects are realized:
preprocessing a printed image, separating image color space data, splitting the image into image segments, and generating preprocessing data; performing secondary treatment according to the structure of the spray head, extracting sub-image segments from the image segments, and processing the sub-image segments; collecting and combining sub-image segments of each color space to generate nozzle data, and uniformly distributing the nozzle data to corresponding nozzles for printing. The image data can be reasonably distributed to the corresponding spray heads, the spray heads are suitable for different combination and splicing printing, and the image data are processed in parallel in the preprocessing and secondary processing modules, so that the data processing efficiency of the spray heads is improved.
Of course, it is not specifically required that all of the above-described technical effects be achieved simultaneously in any one product embodying the present invention.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a block diagram of print data processing according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a print data processing method according to an embodiment of the invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
The embodiment of the invention carries out preprocessing on the printed image, separates image color space data, and splits the image into image segments to generate preprocessing data; performing secondary treatment according to the structure of the spray head, extracting sub-image segments from the image segments, and processing the sub-image segments; collecting and combining sub-image segments of each color space to generate nozzle data, and uniformly distributing the nozzle data to corresponding nozzles for printing. Specifically, the invention relates to an inkjet printing data processing method, which divides printing data into image segments, extracts sub-image segments from the image segments for processing, and processes the printing data in parallel, and comprises the following steps:
step 1) preprocessing a printed image, separating image color space data, and splitting the image into image segments;
step 2) carrying out secondary treatment according to the parameters of the spray head, extracting sub-image segments from the image segments, and processing the sub-image segments;
and 3) collecting and distributing the sub-image segments of each color space, combining to generate nozzle data, and uniformly distributing the nozzle data to corresponding nozzles for printing.
Wherein, the step 2) is that the image segment splitting of each color space is processed in parallel for improving the processing speed.
The invention can reasonably distribute the image data to the corresponding spray heads, is suitable for splicing and printing of different combinations of the spray heads, and processes the image data in parallel in the preprocessing and secondary processing modules, thereby improving the data processing efficiency of the spray heads.
Embodiments of the present invention will be described in detail below with reference to the drawings attached to the specification.
Example 1
As shown in fig. 1, a device for processing data of a nozzle according to an embodiment of the present invention includes: an image segment preprocessing module 101, a sub-image segment secondary processing module 102 and a collection and distribution module 103.
The image data contains one or more color space data, and for containing a plurality of color space data, the preprocessing module 101 separates out the data of the respective color spaces.
The nozzle splice includes one or more nozzles forming a print width of the print nozzle, and the preprocessing module 101 splits the print image into image segments according to the print width.
The image segments for each color space are cached and the corresponding secondary processing module 102 for each color space is started.
The secondary processing module 102 extracts sub-image segments according to parameters such as the number of sub-nozzles included in the nozzle among the nozzle parameters.
The sub-image segments are processed to accommodate the nozzle structure, including rotation, mirroring, etc. of the sub-image segments.
The extracted sub-image segments are collected by the collection and distribution module 103, and the collection and distribution module 103 collects sub-image segments of the corresponding color space according to the number of color spaces in the nozzle parameters.
After the collection and distribution module 103 receives the data of the corresponding color space, the data are uniformly organized into the structure data actually required by the spray head.
The collection and distribution module 103 distributes data to each printing nozzle according to the color space sequence of each nozzle in the nozzle parameters, the splicing position and other parameters.
Example 2
The following describes the task process of the data processing of the nozzle in detail, as shown in fig. 2, the method for processing the data of the nozzle in the embodiment of the invention includes the following steps:
step 201 inputs an image, which may be one or more image jobs to be printed.
Step 202 checks if the input image contains multiple color spaces.
For an input image that contains only a single color space, the images of the individual print color spaces are not separated.
The input image contains a plurality of color spaces, and the images of the respective print color spaces, such as four-color printing (c=cyan, m=magenta, y=yellow, k=black), are separated by step 203, and the original image is separated into the color space images of CMYK.
After processing in step 203, image data for one or more individual color spaces is formed.
Step 204, the showerhead configuration parameters are read and saved for use in subsequent processing.
The spray head structure parameter table contains spray head parameters, such as the number of spray nozzles comprising spray heads, the start and stop positions of the spray heads, the number of spray heads, the width of the spray heads, sub spray heads, the arrangement mode of the spray heads and the like, and is preconfigured according to actual printing requirements.
Step 205 and step 206, splitting the image of each color space into image segments according to parameters such as the width of the print.
The printing width of the spray heads is determined by the combination and the splicing of the physical spray heads, and can comprise one spray head or a plurality of spray heads for splicing to form the printing width. The image splitting of the image segments of the respective color spaces is parallel, and further, the split image segments may be first cached for subsequent direct processing.
Step 207 and step 208, extracting sub-image segments from each image segment according to parameters such as the number of sub-nozzles, the width of the sub-nozzles and the like in the nozzle parameter table, and processing the sub-image segments. The sub-head data may include one or more sub-heads, as determined by the actual physical structure of the head.
Further, if the nozzle in the single color space only contains one sub-nozzle, the sub-image section is the image section itself.
Further, for the sub-spray heads, extracting sub-image segments from each image segment according to the number of sub-spray heads included in the spray head parameter table.
Further, the sub-image segments are processed to adapt to the nozzle structure, including operations such as rotation, mirroring, etc. of the sub-image segments, such as rotation of the image by a certain angle, such as rotation by 90 degrees anticlockwise, and mirroring of the image, such as reversing the left-right order of the image.
Step 209, collecting the sub-image segments of each color space uniformly.
And collecting data according to the actual printing requirement of each spray head, and if one spray head contains two colors, collecting the sub-image segment data of the corresponding two color spaces.
Step 210, splicing the sub-image segment data, wherein the splicing is to splice the collected color space sub-image segment data into corresponding image data according to the sequence of the color space in the spray head combination, the splicing position and other parameters.
Step 211, generating and distributing the nozzle data to the nozzle for printing, generating the printing data of the nozzle for the spliced image data according to the data structure required by the nozzle, if the nozzle needs to expand one-bit data into two-bit data, and sending the data to the nozzle for printing.
From the above embodiments, the image preprocessing module in the embodiment of the present invention processes the print image to generate an image segment, performs secondary processing on the preprocessed image according to the nozzle structure, extracts a sub-image segment from the image segment, processes the sub-image segment, collects and combines the sub-image segment to generate nozzle data, and distributes the nozzle data to corresponding nozzles in a unified manner for printing.
As can be seen from the above embodiments, the method for processing inkjet printing data provided by the present invention at least achieves the following advantages:
according to the invention, the printing data is split into the image segments, the sub-image segments are extracted from the image segments for processing, so that the data can be reasonably distributed to the spray heads, and meanwhile, the printing data can be processed efficiently and rapidly by parallel processing, so that the printing efficiency is effectively improved.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (9)
1. An inkjet print data processing method characterized by splitting print data into image segments, extracting sub-image segments from the image segments for processing, and performing parallel processing on the print data, the method comprising the steps of:
step 1) preprocessing a printed image, separating image color space data, and splitting the image into image segments; the spray head splicing comprises one or more spray heads forming the printing width of the printing spray head, and the preprocessing module splits the printing image into image segments according to the printing width; splitting the image of each color space into image segments according to the printed width parameters;
step 2) carrying out secondary processing according to the nozzle parameters, extracting sub-image segments from the image segments, processing the sub-image segments, and processing the sub-image segments to adapt to the nozzle structure, wherein the secondary processing module extracts the sub-image segments according to the nozzle number parameters contained in the nozzle parameters, wherein the rotation and mirror image operations of the sub-image segments are included;
step 3) collecting and distributing sub-image segments of each color space, combining to generate nozzle data, and uniformly distributing the nozzle data to corresponding nozzles for printing; collecting sub-image segments of corresponding color spaces according to the number of color spaces in the nozzle parameters, and splicing the collected sub-image segment data of the color spaces into corresponding image data according to the sequence of the color spaces in the nozzle combination and the splicing position parameters.
2. A method of processing ink jet print data as claimed in claim 1, wherein,
in the step 1), the image preprocessing separates the images through a preprocessing module;
four-color printing (c=cyan, m=magenta, y=yellow, k=black) will separate the CMYK color space images from the original image.
3. A method for processing ink jet print data according to claim 1 or 2, wherein,
the image segments are images of a single color space, the size and the number of the image segments split by each color space are the same, and the image segments of each color space are in one-to-one correspondence.
4. A method of processing ink jet print data as claimed in claim 1, wherein,
in the step 2), according to the structure of the spray head, one image segment may include one sub-image segment or a plurality of sub-image segments, where the sub-image segments have the same size and number, and each color space corresponds to a sub-image segment in the image segment in a one-to-one correspondence manner.
5. A method of processing ink jet print data as claimed in claim 4, wherein,
in the step 2), sub-image segments are processed, including rotating the image anticlockwise by 90 degrees, mirroring the image, and reversing the left-right order of the image.
6. A method of processing ink jet print data as claimed in claim 1, wherein,
in said step 2), the extraction of sub-image segments and the processing of sub-image segments are performed in parallel, the image segments of each color space corresponding to the processing of their sub-image segments.
7. A method of processing ink jet print data as claimed in claim 1, wherein,
in the step 3), collecting the allocation includes: and collecting sub-image segments, splicing sub-image segment data, processing to generate data structure data required by the spray head, and distributing the data to the spray head for printing.
8. A method of processing ink jet print data as claimed in claim 7, wherein,
the collection is performed according to a printing color space configured by the spray heads, and one spray head contains two colors, so that sub-image segment data of the corresponding two color spaces are collected.
9. A method of processing ink jet print data as claimed in claim 7, wherein,
and generating printing data of the spray head for the spliced image data according to a data structure required by the spray head, wherein the spray head needs to expand one-bit data into two-bit data, and transmitting the processed data to the spray head for printing.
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| CN112114759B true CN112114759B (en) | 2024-02-09 |
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| CN1944052A (en) * | 2006-11-15 | 2007-04-11 | 深圳市润天智图像技术有限公司 | Multiple grey scale printing method |
| CN105487827A (en) * | 2014-09-18 | 2016-04-13 | 北大方正集团有限公司 | Data printing method, data printing device and data printing system |
| CN109664620A (en) * | 2018-12-07 | 2019-04-23 | 森大（深圳）技术有限公司 | Print data processing method, device and equipment |
| CN109760431A (en) * | 2018-12-29 | 2019-05-17 | 森大（深圳）技术有限公司 | Print data processing method, device, equipment and storage medium |
| CN110209366A (en) * | 2019-06-08 | 2019-09-06 | 森大（深圳）技术有限公司 | Print control program, device, equipment and the medium of image layout can be adjusted in real time |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080150988A1 (en) * | 2006-12-20 | 2008-06-26 | Samsung Electronics Co., Ltd. | Image forming apparatus and control method thereof |
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2020
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| US7031019B1 (en) * | 1998-03-04 | 2006-04-18 | Seiko Epson Corporation | Printer control apparatus, printer and printing system |
| CN1944052A (en) * | 2006-11-15 | 2007-04-11 | 深圳市润天智图像技术有限公司 | Multiple grey scale printing method |
| CN105487827A (en) * | 2014-09-18 | 2016-04-13 | 北大方正集团有限公司 | Data printing method, data printing device and data printing system |
| CN109664620A (en) * | 2018-12-07 | 2019-04-23 | 森大（深圳）技术有限公司 | Print data processing method, device and equipment |
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