CN107835335B - A kind of image pressing method and terminal - Google Patents
A kind of image pressing method and terminal Download PDFInfo
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- CN107835335B CN107835335B CN201710999945.2A CN201710999945A CN107835335B CN 107835335 B CN107835335 B CN 107835335B CN 201710999945 A CN201710999945 A CN 201710999945A CN 107835335 B CN107835335 B CN 107835335B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6002—Corrections within particular colour systems
- H04N1/6008—Corrections within particular colour systems with primary colour signals, e.g. RGB or CMY(K)
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Image Processing (AREA)
- Color Image Communication Systems (AREA)
- Editing Of Facsimile Originals (AREA)
Abstract
The present invention relates to print field more particularly to a kind of image pressing method and terminals.The present invention passes through S1, acquisition the first color image corresponding with CMYK color mode；S2, conversion first color image are the second color image corresponding with CMY color mode；S3, it obtains and corresponding reading code image of second color image；The color of described reading code image midpoint reading code is black；S4, second color image and described reading code image are synthesized, obtains third color image corresponding with CMYK color mode；S5, the printing third color image.It realizes the CMYK four-color process equipment printing generally used using factory and carries the image for having a reading code.
Description
Technical field
The present invention relates to print field more particularly to a kind of image pressing method and terminals.
Background technique
Four color pattern of CMYK color mode finger mark brush, a kind of set color pattern used when being colored printing utilize colorant
Three primary colors colour mixture principle, in addition black ink, amounts to four kinds of color mixing superpositions, formed so-called " full-color printing ".Wherein, C generation
Table cyan, M represent magenta, and Y represents yellow, and K represents black.Currently, factory generally uses CMYK four-color process equipment.Point is read
Point reading code in books and periodicals is showed usually using black, and tusche used in digital printing ink is that cannot be distinguished containing carbon element
Black print part used in printed areas black print and point reading code, therefore will cause a little using CMYK color mode print point reading periodical
The black portions of picture and text are superimposed with point reading code in reading periodical, and interference talking pen properly reads and parses a reading code.
If using traditional hectographic printing instead or drawing a design, the special tusche without charcoal can be used to substitute the K that picture and text need to print
Version content achievees the purpose that distinguish areas and puts reading code part.But the printing of 5 colors is needed to set using this print solution
It is standby, and print couple increases, factory need to increase equipment cost and printing cost of labor simultaneously, lead to the increasing of print production cost
Add.
Summary of the invention
The technical problems to be solved by the present invention are: how to be printed using the CMYK four-color process equipment that factory generally uses
Carry the image for having a reading code.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
The present invention provides a kind of image pressing method, comprising:
S1, acquisition the first color image corresponding with CMYK color mode；
S2, conversion first color image are the second color image corresponding with CMY color mode；
S3, it obtains and corresponding reading code image of second color image；The face of described reading code image midpoint reading code
Color is black；
S4, second color image and described reading code image are synthesized, obtains third corresponding with CMYK color mode
Color image；
S5, the printing third color image.
The present invention also provides a kind of image printing terminal, including one or more processors and memory, the memories
It is stored with program, and is configured to execute following steps by one or more of processors:
S1, acquisition the first color image corresponding with CMYK color mode；
S2, conversion first color image are the second color image corresponding with CMY color mode；
S3, it obtains and corresponding reading code image of second color image；The face of described reading code image midpoint reading code
Color is black；
S4, second color image and described reading code image are synthesized, obtains third corresponding with CMYK color mode
Color image；
S5, the printing third color image.
The beneficial effects of the present invention are: the present invention to pass through first by the picture and text image in reading periodical from CMYK color mode
CMY color mode is converted to, so that without using K editions during picture and text image printing, it is therefore, CMY color mode is corresponding
After picture and text image is synthesized with point reading code image, K version printing part only indicates some reading codes, can accurate diacritical point reading code part and figure
Literary image section.Since nature color all three-primary colours can be used to mix, picture and text image turns from CMYK color mode
After being changed to CMY color mode, there is higher color reduction degree, do not influence picture quality.Also, by the picture and text of CMY color mode
Third color image corresponding with CMYK color mode is obtained after image and point reading code image synthesis, meets CMYK four-color process and sets
Standby print format, the point reading periodical that existing equipment printing that can be used can be accurately identified by talking pen for factory, does not need to buy new
Printing equipment, largely reduce printing cost.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the specific embodiment of image pressing method provided by the invention；
Fig. 2 is a kind of structural block diagram of the specific embodiment of image printing terminal provided by the invention；
Label declaration:
1, processor；2, memory.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
Fig. 1 and Fig. 2 is please referred to,
As shown in Figure 1, the present invention provides a kind of image pressing method, comprising:
S1, acquisition the first color image corresponding with CMYK color mode；
Wherein, Cyan Magenta Yellow Key be for printing it is green product Huang black four primaries, Key is also Black's
The meaning, for the black K version of printing image-text electronic document setting.
S2, conversion first color image are the second color image corresponding with CMY color mode；
S3, it obtains and corresponding reading code image of second color image；The face of described reading code image midpoint reading code
Color is black；
S4, second color image and described reading code image are synthesized, obtains third corresponding with CMYK color mode
Color image；
S5, the printing third color image.
Further, the S2 specifically:
First color value of each pixel in first color image is converted to corresponding with LAB color mode second
Color value obtains the 4th color image；
Second color value of each pixel in the 4th color image is converted into third corresponding with CMY color mode
Color value obtains the second color image.
Wherein, the component ratio of CMYK is different, under the conditions of different printing standards, the corresponding LAB of different CMYK value
Color value is also different, meanwhile, the same LAB value can be made of different CMYK values.Therefore, CMYK value need to be defined on only
LAB numerical value under the conditions of one printing standard, conducive to being combined in next step using different CMY to realize LAB face corresponding to CMYK
Color value.
Further, before the S4, further includes:
The corresponding pixel of second color image is set and is located at bottom；
The corresponding pixel of described reading code image is set and is located at top layer.
Seen from the above description, the second color image is the picture and text image section of a little reading periodical.Picture and text image portion is set up separately
It is placed in bottom, point reading code image section is set as top layer, so that the first printing image-text image section of meeting in printing process, rear to print
Point reading code part.The CMY printing ink for advantageously reducing printing image-text image section, which generates double exposure, covering etc. to reading code, to be done
The case where talking pen reads point reading code is disturbed, the accuracy that talking pen identification point reads publication midpoint reading code is improved.
Further, further includes:
It is sorted more than one described second color image according to first page number；
It is sorted more than one described reading code image according to second page number；
Second page number of first page number of second color image and described reading code image corresponds.
Seen from the above description, according to the page number the second color image of sequence and point reading code image, it is ensured that picture and text image and point
Reading code image matches one by one, will not generate content entanglement.
Further, the S2 specifically:
Obtain preset color characteristic file；
It is corresponding with CMY color mode for converting more than one described first color image according to the color characteristic file
More than one second color image.
Seen from the above description, by preset color characteristic file convenient for the face of batch, automatically transition diagram texts and pictures picture
Color pattern.
As shown in Fig. 2, the present invention also provides a kind of image printing terminal, including one or more processors 1 and memory
2, the memory 2 is stored with program, and is configured to execute following steps by one or more of processors 1:
S1, acquisition the first color image corresponding with CMYK color mode；
S2, conversion first color image are the second color image corresponding with CMY color mode；
S3, it obtains and corresponding reading code image of second color image；The face of described reading code image midpoint reading code
Color is black；
S4, second color image and described reading code image are synthesized, obtains third corresponding with CMYK color mode
Color image；
S5, the printing third color image.
Further, the S2 specifically:
First color value of each pixel in first color image is converted to corresponding with LAB color mode second
Color value obtains the 4th color image；
Second color value of each pixel in the 4th color image is converted into third corresponding with CMY color mode
Color value obtains the second color image.
Further, before the S4, further includes:
The corresponding pixel of second color image is set and is located at bottom；
The corresponding pixel of described reading code image is set and is located at top layer.
Further, further includes:
It is sorted more than one described second color image according to first page number；
It is sorted more than one described reading code image according to second page number；
Second page number of first page number of second color image and described reading code image corresponds.
Further, the S2 specifically:
Obtain preset color characteristic file；
It is corresponding with CMY color mode for converting more than one described first color image according to the color characteristic file
More than one second color image.
The embodiment of the present invention one are as follows:
The present embodiment provides a kind of image pressing methods, comprising:
S1, acquisition the first color image corresponding with CMYK color mode.
Wherein, first color image is the picture and text image during a little reading is printed, and the priming color mode of picture and text image is
The color of CMYK, i.e., each pixel are mixed by cyan, magenta, yellow and black.
S2, conversion first color image are the second color image corresponding with CMY color mode.
Optionally, the first color value of each pixel in first color image is converted to and LAB color mode pair
The second color value answered, obtains the 4th color image；
Second color value of each pixel in the 4th color image is converted into third corresponding with CMY color mode
Color value obtains the second color image.
Optionally, preset color characteristic file is obtained；
It is corresponding with CMY color mode for converting more than one described first color image according to the color characteristic file
More than one second color image.
Wherein, the color mode of picture and text image is converted into CMY so that in the second color image each pixel color by
Cyan, magenta and yellow mix, and black is kept for a reading code, effectively prevent between picture and text image and point reading code
Color conflict.
S3, it obtains and corresponding reading code image of second color image；The face of described reading code image midpoint reading code
Color is black.
S4, sort more than one described second color image according to first page number；
It is sorted more than one described reading code image according to second page number；
Second page number of first page number of second color image and described reading code image corresponds.
Wherein, picture and text image and point reading code image are arranged in order, effectively avoid picture and text image and put reading code image not
The case where matching, content entanglement.
S5, the corresponding pixel of setting second color image are located at bottom；It is corresponding that described reading code image is set
Pixel is located at top layer.
Wherein, before composite diagram texts and pictures picture and point reading code image, setting will put reading code image superposition in picture and text image layer
On, so that elder generation's printing image-text image section republishes a reading code image section when practical printing, be conducive to reduce picture and text image
Influence to reading code.
S6, second color image and described reading code image are synthesized, obtains third corresponding with CMYK color mode
Color image.
S7, the printing third color image.
Wherein, more than one the third color image synthesized by picture and text image and point reading code image can be converted to PDF text
Part facilitates subsequent batch to print.
The embodiment of the present invention two are as follows:
The present embodiment provides a kind of image printing terminal, including one or more processors 1 and memory 2, the storages
Device 2 is stored with program, and is configured to execute following steps by one or more of processors 1:
S1, acquisition the first color image corresponding with CMYK color mode.
S2, conversion first color image are the second color image corresponding with CMY color mode.
Optionally, the first color value of each pixel in first color image is converted to and LAB color mode pair
The second color value answered, obtains the 4th color image；
Second color value of each pixel in the 4th color image is converted into third corresponding with CMY color mode
Color value obtains the second color image.
Optionally, preset color characteristic file is obtained；
It is corresponding with CMY color mode for converting more than one described first color image according to the color characteristic file
More than one second color image.
S3, it obtains and corresponding reading code image of second color image；The face of described reading code image midpoint reading code
Color is black.
S4, sort more than one described second color image according to first page number；
It is sorted more than one described reading code image according to second page number；
Second page number of first page number of second color image and described reading code image corresponds.
S5, the corresponding pixel of setting second color image are located at bottom；It is corresponding that described reading code image is set
Pixel is located at top layer.
S6, second color image and described reading code image are synthesized, obtains third corresponding with CMYK color mode
Color image.
S7, the printing third color image.
In conclusion a kind of image pressing method provided by the invention and terminal, by first by the picture and text in reading periodical
Image is converted to CMY color mode from CMYK color mode, so that without using K editions during picture and text image printing, it therefore, will
After the corresponding picture and text image of CMY color mode is synthesized with point reading code image, K version printing part only indicates some reading codes, can be accurate
Diacritical point reading code part and picture and text image section.Since nature color all three-primary colours can be used to mix, picture and text figure
After being converted to CMY color mode from CMYK color mode, there is higher color reduction degree, do not influence picture quality.Also, it will
Third color image corresponding with CMYK color mode is obtained after the picture and text image of CMY color mode and point reading code image synthesis,
Meet the print format of CMYK four-color process equipment, existing equipment can be used to print the point that can be accurately identified by talking pen for factory
Reading periodical, does not need to buy new printing equipment, largely reduces printing cost.Further, the second color image is
The picture and text image section of point reading periodical.Picture and text image section is set to bottom, point reading code image section is set as top layer, so that
The first printing image-text image section of meeting, rear printing points reading code part in printing process.Advantageously reduce printing image-text image section
CMY printing ink double exposure, covering etc. are generated to reading code talking pen can be interfered to read the case where putting reading code, improve talking pen
The accuracy of identification point reading publication midpoint reading code.Further, according to the page number the second color image of sequence and point reading code image, really
It protects picture and text image to match one by one with point reading code image, content entanglement will not be generated.Further, pass through preset chromatic characteristic text
Part is convenient for batch, the color mode of automatically transition diagram texts and pictures picture.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.
Claims (6)
1. a kind of image pressing method characterized by comprising
S1, acquisition the first color image corresponding with CMYK color mode；
S2, conversion first color image are the second color image corresponding with CMY color mode；
S3, it obtains and corresponding reading code image of second color image；The color of described reading code image midpoint reading code is
Black；
S4, second color image and described reading code image are synthesized, it is colored obtains third corresponding with CMYK color mode
Image；
S5, the printing third color image；
The S2 specifically:
Obtain preset color characteristic file；
It is corresponding with CMY color mode according to more than one described first color image of the color characteristic file Batch conversion
More than one second color image；
The S2 further include:
First color value of each pixel in first color image is converted into the second color corresponding with LAB color mode
Value, obtains the 4th color image；
Second color value of each pixel in the 4th color image is converted into third color corresponding with CMY color mode
Value, obtains the second color image.
2. image pressing method according to claim 1, which is characterized in that before the S4, further includes:
The corresponding pixel of second color image is set and is located at bottom；
The corresponding pixel of described reading code image is set and is located at top layer.
3. image pressing method according to claim 1, which is characterized in that further include:
It is sorted more than one described second color image according to first page number；
It is sorted more than one described reading code image according to second page number；
Second page number of first page number of second color image and described reading code image corresponds.
4. a kind of image printing terminal, which is characterized in that including one or more processors and memory, the memory storage
There is program, and be configured to execute following steps by one or more of processors:
S1, acquisition the first color image corresponding with CMYK color mode；
S2, conversion first color image are the second color image corresponding with CMY color mode；
S3, it obtains and corresponding reading code image of second color image；The color of described reading code image midpoint reading code is
Black；
S4, second color image and described reading code image are synthesized, it is colored obtains third corresponding with CMYK color mode
Image；
S5, the printing third color image；
The S2 specifically:
Obtain preset color characteristic file；
It is corresponding with CMY color mode according to more than one described first color image of the color characteristic file Batch conversion
More than one second color image；
The S2 further include:
First color value of each pixel in first color image is converted into the second color corresponding with LAB color mode
Value, obtains the 4th color image；
Second color value of each pixel in the 4th color image is converted into third color corresponding with CMY color mode
Value, obtains the second color image.
5. image printing terminal according to claim 4, which is characterized in that before the S4, further includes:
The corresponding pixel of second color image is set and is located at bottom；
The corresponding pixel of described reading code image is set and is located at top layer.
6. image printing terminal according to claim 4, which is characterized in that further include:
It is sorted more than one described second color image according to first page number；
It is sorted more than one described reading code image according to second page number；
Second page number of first page number of second color image and described reading code image corresponds.
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| CN110525078A (en) * | 2019-08-14 | 2019-12-03 | 东莞金杯印刷有限公司 | A kind of voice book digital printing proofing method |
| CN110851093A (en) * | 2019-11-25 | 2020-02-28 | 天津市银博科技发展有限公司 | Black-free printing method for PDF (Portable document Format) file in printing production |
| CN111823743A (en) * | 2020-07-30 | 2020-10-27 | 西安兄弟印刷包装有限公司 | Printing process for point-reading printed matter |
| CN115545126A (en) * | 2022-04-26 | 2022-12-30 | 珠海凯芯微电子科技有限公司 | Code spreading method and system for point writing pen image indexes |
| CN115293312B (en) * | 2022-10-08 | 2023-01-24 | 深圳前海量子云码科技有限公司 | Anti-counterfeiting method, anti-counterfeiting device, computer equipment and storage medium |
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| CN1908956B (en) * | 2005-08-04 | 2010-10-06 | 蒋治国 | Electronic voice books adopting micro identification code |
| JP5604761B2 (en) * | 2009-11-11 | 2014-10-15 | 健治 吉田 | Print medium, information processing method, information processing apparatus |
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