CN111845101A - Printer ink amount adjusting method, device, equipment and medium based on color management - Google Patents

Printer ink amount adjusting method, device, equipment and medium based on color management Download PDF

Info

Publication number
CN111845101A
CN111845101A CN201910343650.9A CN201910343650A CN111845101A CN 111845101 A CN111845101 A CN 111845101A CN 201910343650 A CN201910343650 A CN 201910343650A CN 111845101 A CN111845101 A CN 111845101A
Authority
CN
China
Prior art keywords
color
value
color value
printer
ink
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910343650.9A
Other languages
Chinese (zh)
Other versions
CN111845101B (en
Inventor
左国云
黄中琨
陈艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hansen Software Co ltd
Original Assignee
Senda Shenzhen Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Senda Shenzhen Technology Co Ltd filed Critical Senda Shenzhen Technology Co Ltd
Priority to CN201910343650.9A priority Critical patent/CN111845101B/en
Publication of CN111845101A publication Critical patent/CN111845101A/en
Application granted granted Critical
Publication of CN111845101B publication Critical patent/CN111845101B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2107—Ink jet for multi-colour printing characterised by the ink properties
    • B41J2/2114—Ejecting transparent or white coloured liquids, e.g. processing liquids
    • B41J2/2117—Ejecting white liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2121—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter
    • B41J2/2128—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter by means of energy modulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/21—Ink jet for multi-colour printing
    • B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding

Abstract

The invention discloses a printer ink amount adjusting method, device, equipment and medium based on color management. The method for setting the ink amount of the printer comprises the steps of acquiring the color value of a printing medium and recording the color value as a first color value; establishing a color profile containing the first color value in color management of the printer according to the first color value; acquiring the color value of each pixel point in the image to be printed, and recording the color value as a second color value; and acquiring a printing color value and a white ink value corresponding to each pixel point according to each second color value and the color characteristic file. The printer ink amount adjusting method, device, equipment and medium based on color management can save ink amount and reduce printing cost.

Description

Printer ink amount adjusting method, device, equipment and medium based on color management
Technical Field
The invention relates to the field of ink-jet printing, in particular to a method, a device, equipment and a medium for adjusting the ink quantity of a printer based on color management.
Background
The ink jet printing technology refers to a technology of ejecting ink droplets through nozzles on an ejection head onto a printing medium to obtain an image or characters. With the continuous progress of the technology, the color and material of the printing medium are more and more abundant, so that the color of a large area in the image to be printed is consistent with the color of the printing medium, for example, the image to be printed includes a background image and a foreground image, and the color of the background image is close to or almost the same as the color of the printing medium. Especially in the textile industry, when a color image is printed, a layer of white ink with an ink value of 100% needs to be printed for bottoming, and if all pixel points are subjected to ink discharge according to the existing method, not only the color ink but also the white ink are wasted, so that the printing cost is increased.
Disclosure of Invention
The embodiment of the invention provides a printer ink amount adjusting method, a printer ink amount adjusting device, printer ink amount adjusting equipment and a printer ink amount adjusting medium based on color management, which are used for solving the problems that in the prior art, when the color of a large area in an image to be printed is consistent with the color of a printing medium, all pixel points are completely discharged, so that ink is wasted, and the printing cost is increased.
In a first aspect, an embodiment of the present invention provides a method for adjusting an ink amount of a printer based on color management, where the method includes:
acquiring a color value of a printing medium, and recording the color value as a first color value;
establishing a color profile in the color management of the printer according to the first color value;
acquiring the color value of each pixel point in the image to be printed, and recording the color value as a second color value;
and acquiring a printing color value and a white ink value corresponding to each pixel point according to each second color value and the color characteristic file.
Preferably, the color profile includes: and the forward lookup table and the reverse lookup table of the lab color space, wherein the forward lookup table is a mapping from an image to be printed or a printing medium input color space to the lab color space, and the reverse lookup table is a mapping from the lab color space to the color space input to the printer.
Preferably, the obtaining a third color value and a white ink amount value corresponding to each pixel point according to each second color value and the color profile includes:
according to eachThe second color value and the color characteristic file acquire a third color value corresponding to each pixel point, wherein the second color value P is a color value of the color characteristic file1Is as follows, P1＝(C1、M1、Y1、K1) Said third color value P2Is as follows, P2＝(C2、M2、Y2、K2A), C is an ink volume concentration value corresponding to a cyan channel of the printer, M is an ink volume concentration value corresponding to a magenta channel of the printer, Y is an ink volume concentration value corresponding to a yellow channel of the printer, K is an ink volume concentration value corresponding to a black channel of the printer, and a is an ink volume concentration value corresponding to a first color channel of the printer;
and setting a printing color value corresponding to each pixel point and an ink quantity concentration value corresponding to the white ink channel according to each third color value.
Preferably, the printing color value P corresponding to each pixel point3Is as follows, P3＝(C2、M2、Y2、K2And 0), the ink volume concentration value W of the white ink channel corresponding to each pixel point is 255-A.
Preferably, the obtaining a third color value corresponding to each pixel point according to each second color value and the color profile includes:
converting each second color value into a lab value according to the forward lookup table;
And converting each lab value into a third color value according to the reverse lookup table.
Preferably, the creating a color profile in the color management of the printer according to the first color value includes:
establishing a sample color value of a color characteristic file according to the first color value and the primary color setting of the printer;
printing according to the sample color values to obtain a color target graph;
scanning the color target image to obtain a lab value corresponding to each color block;
and establishing a mapping relation between the sample color value and the lab value to obtain the reverse lookup table of the printer.
Preferably, the forward lookup table is used for conversion of color values of a CMYK color gamut to a lab color gamut.
In a second aspect, an embodiment of the present invention provides an ink amount adjustment device for a printer based on color management, the device including:
the first color value acquisition module is used for acquiring the color value of the printing medium and recording the color value as the first color value;
the color characteristic file acquisition module is used for establishing a color characteristic file in the color management of the printer according to the first color value;
the second color value acquisition module is used for acquiring the color value of each pixel point in the image to be printed and recording the color value as a second color value;
And the printing color value acquisition module is used for acquiring the printing color value and the white ink value corresponding to each pixel point according to each second color value and the color characteristic file.
In a third aspect, an embodiment of the present invention provides a printer ink amount adjustment apparatus based on color management, including: at least one processor, at least one memory, and computer program instructions stored in the memory, which when executed by the processor, implement the method of the first aspect of the embodiments described above.
In a fourth aspect, embodiments of the present invention provide a storage medium having stored thereon computer program instructions, which when executed by a processor, implement the method of the first aspect in the above embodiments.
In summary, in the method, the apparatus, the device, and the medium for adjusting the ink amount of the printer based on color management provided in the embodiments of the present invention, the color value of the print medium is obtained and recorded as the first color value, and is combined with the color management of the printer, then the color value corresponding to each pixel point in the image to be printed is input and recorded as the second color value, and the second color value is converted through the color management to obtain the print color value corresponding to each pixel point and the ink amount value of the white ink. Therefore, partial ink amount can be saved, printing cost is reduced, and the white ink value is reasonably set according to the first color value instead of directly outputting the 100% white ink value, so that the printed image is good in transition and touch handfeel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram showing the configuration of color management software in the method for adjusting the amount of ink in a printer based on color management according to the first embodiment of the present invention.
FIG. 2 is a flowchart of a method for adjusting the ink amount of a printer based on color management according to a second embodiment of the present invention.
FIG. 3 is a flowchart of a method for adjusting ink amount of a printer based on color management according to a third embodiment of the present invention.
FIG. 4 is a flowchart of a method for adjusting ink amount of a printer based on color management according to a fourth embodiment of the present invention.
FIG. 5 is a schematic structural diagram of an ink amount adjusting apparatus for a printer based on color management according to a fifth embodiment of the present invention.
FIG. 6 is a schematic configuration diagram of an ink amount adjusting apparatus for a printer based on color management according to a sixth embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the method for adjusting the ink amount of the printer based on color management provided by the embodiment of the invention, the color value of the printing medium is acquired, recorded as the first color value, and is combined with the color management of the printer, then the color value corresponding to each pixel point in the image to be printed is input and recorded as the second color value, and the second color value is converted through the color management so as to obtain the printing color value corresponding to each pixel point and the ink amount value of white ink. Therefore, partial ink amount can be saved, printing cost is reduced, and the white ink value is reasonably set according to the first color value instead of directly outputting the 100% white ink value, so that the printed image is good in transition and touch handfeel.
Fig. 1 is a block diagram of color management software in this embodiment, where the color management software includes: the device comprises a color management main control module, a color correction equipment module, a printer drive calling module, a scan data standby module, a white ink batch processing module, a paper management module, a dark and light color proportioning module, a dilution configuration module, an ink amount control module, a linearization correction module, a gray balance adjustment module and a black decomposition module; the color management main control module is respectively and independently connected with and controls the color correction equipment module, the printer drive calling module, the scan data standby module, the white ink batch processing module, the paper management module and the dark and light color matching module; the color correction device module is used for managing device characteristics of a printing device, a scanning device and the like, in the embodiment, the scanning device mainly includes eye-one and Barbieri Spectro, the white ink batch processing module is used for carrying out batch processing on white ink with different requirements, if some images to be printed need white ink paving and white ink is required to be printed in formal images, the white ink batch processing module can carry out batch processing on white ink curves, and the paper management module is used for managing characteristics of printing media, such as color, thickness, material and the like of the printing media; the dark and light color matching module is connected with the diluting and configuring module and is used for matching the colors of the images to be printed with dark and light color dots and diluting and configuring the dots to ensure uniform color distribution of the printed images, then adjusting the ink amount setting of each color channel in the images to be printed, meanwhile, in order to ensure accurate color of the images to be printed, the ink amount value of each color channel is sequentially input into the linearization correcting module, the gray balance adjusting module and the black decomposing module to sequentially carry out linearization correction, gray balance adjustment and black decomposition, then the data of the images to be printed are sent to the printing equipment to be printed, the black decomposing module is used for decomposing the printed black into other colors to be printed, for example, the black is decomposed into cyan, magenta and black in the printer, Yellow is printed.
Referring to fig. 2, the method for adjusting the ink amount of the printer based on the color management specifically includes the following steps:
s1, acquiring a color value of the printing medium and recording the color value as a first color value;
specifically, when the color value of the printing medium used by the user is known, the color value input by the user on the image processing interactive interface can be directly obtained; when the color value of the printing medium used by the user is unknown, the color value of the printing medium may be acquired by scanning the printing medium using an image scanner (e.g., eyeone). Wherein, the color value input by the user on the image processing interactive interface or scanned and obtained by the image scanner is different in different color modesFor example, in the CMYK color mode, the first color value of the printing medium is (C)0、M0、Y0、K0) If in the RGB color mode, the first color value of the print medium is (R)0、G0、B0)。
S2, establishing a color characteristic file in the color management of the printer according to the first color value;
specifically, the first color value is input into color management software of the printer to form a first color value channel, which is a spot color channel except for a primary color channel, where the primary color channel of the printer in this embodiment includes: a cyan channel, a magenta channel, a yellow channel, and a black channel; then, a color profile of a channel with four primary colors and a first color value is established in color management software, so that the color value of each pixel point in the image to be printed can be converted into a lab value through the color profile, and then the lab value is converted into the output color value of the printer. Preferably, the color profile includes: and the forward lookup table and the reverse lookup table of the lab color space, wherein the forward lookup table is a mapping from an image to be printed or a printing medium input color space to the lab color space, and the reverse lookup table is a mapping from the lab color space to the color space input to the printer.
Preferably, referring to fig. 3, the specific method for acquiring the color profile includes the following steps:
s21, establishing a sample color value of a color characteristic file according to the first color value and the primary color setting of the printer;
s22, printing according to the sample color values to obtain a color target graph;
s23, scanning the color target map to obtain lab values corresponding to each color block;
s24, establishing a mapping relation between the sample color values and the lab values to obtain the reverse lookup table of the printer.
Specifically, in the present embodiment, first, the black ink is uniformly sampled in predetermined steps over its entire range of ink amount values (from 0 to 100%), while the ink amount values of the other colors are set to 0, with only the ink amount value of the black ink as an output; then, after a space curve section corresponding to the black ink is formed by a curve fitting method, the space curve section is uniformly divided, and each typical black ink value with uniform visual effect can be obtained; next, typical ink values are determined C, M, Y, A; and finally, completely combining each typical ink amount with each typical ink amount of other four colors to obtain a corresponding ink amount combination, namely a sample set of sample color values, printing and outputting the sample set to obtain a color target diagram, measuring by using a light splitting color measuring instrument to obtain lab values corresponding to each color block, namely the color values of each ink amount combination data in space, and establishing a corresponding relation between the sample color values of each color block and the lab values to obtain the reverse lookup table.
S3, obtaining the color value of each pixel point in the image to be printed, and recording the color value as a second color value;
specifically, a second color value corresponding to each pixel point in the image to be printed is obtained by adopting the existing traversal algorithm.
And S4, acquiring a printing color value and a white ink value corresponding to each pixel point according to each second color value and the color characteristic file.
Specifically, each of the second color values is input into color management software, and the second color values are converted into third color values from the second color values P by using a color profile1Is as follows, P1＝(C1、M1、Y1、K1) Said third color value P2Is as follows, P2＝(C2、M2、Y2、K2A), C is an ink volume concentration value corresponding to a cyan channel of the printer, M is an ink volume concentration value corresponding to a magenta channel of the printer, Y is an ink volume concentration value corresponding to a yellow channel of the printer, K is an ink volume concentration value corresponding to a black channel of the printer, and a is an ink volume concentration value corresponding to a first color channel of the printer; and then, printing a color value and an ink quantity concentration value corresponding to the white ink channel by using the third color value.
Preferably, referring to fig. 4, the obtaining of the third color value corresponding to each pixel point according to each second color value and the color profile is specifically obtained through the following steps:
S41, converting each second color value into a lab value according to the forward lookup table;
and S42, converting each lab value into a third color value according to the reverse lookup table.
Specifically, in this embodiment, the range of the ink amount value of the white ink in the white ink channel is 0 to 100%, where the specific data value range of the ink amount value of the ink during printing is set according to different printing devices and usage environments, and is a standard for quantifying the condition of the ink to be printed on the pixel point. Setting the printing color value P corresponding to each pixel point3Is as follows, P3＝(C2、M2、Y2、K2And 0), the ink volume concentration value W of the white ink channel corresponding to each pixel point is 255-A. Thus, the ink amount of the white ink channel is not 100% of the original value, thereby saving the ink amount.
Preferably, in this example, the forward lookup table is a conversion of the CMYK color gamut to the lab color gamut. Wherein, the forward lookup table can also be the conversion of CMYK + a/b to lab color gamut.
Referring to fig. 5, an embodiment of the present invention provides an ink amount adjusting device for a printer based on color management, the device including:
a first color value obtaining module 10, configured to obtain a color value of a printing medium, and record the color value as a first color value;
A color profile obtaining module 20, configured to establish a color profile in color management of the printer according to the first color value;
a second color value obtaining module 30, configured to obtain a color value of each pixel point in the image to be printed, and record the color value as a second color value;
and the printing color value obtaining module 40 is configured to obtain a printing color value and a white ink value corresponding to each pixel point according to each second color value and the color profile.
Preferably, the color profile includes: and the forward lookup table and the reverse lookup table of the lab color space, wherein the forward lookup table is a mapping from an image to be printed or a printing medium input color space to the lab color space, and the reverse lookup table is a mapping from the lab color space to the color space input to the printer.
Preferably, the obtaining a third color value and a white ink amount value corresponding to each pixel point according to each second color value and the color profile includes:
obtaining a third color value corresponding to each pixel point according to each second color value and the color characteristic file, wherein the two color values P1Is as follows, P1＝(C1、M1、Y1、K1) Said third color value P 2Is as follows, P2＝(C2、M2、Y2、K2A), C is an ink volume concentration value corresponding to a cyan channel of the printer, M is an ink volume concentration value corresponding to a magenta channel of the printer, Y is an ink volume concentration value corresponding to a yellow channel of the printer, K is an ink volume concentration value corresponding to a black channel of the printer, and a is an ink volume concentration value corresponding to a first color channel of the printer;
and setting a printing color value corresponding to each pixel point and an ink quantity concentration value corresponding to the white ink channel according to each third color value.
Preferably, the printing color value P corresponding to each pixel point3Is as follows, P3＝(C2、M2、Y2、K2And 0), the ink volume concentration value W of the white ink channel corresponding to each pixel point is 255-A.
Preferably, the obtaining a third color value corresponding to each pixel point according to each second color value and the color profile includes:
converting each second color value into a lab value according to the forward lookup table;
and converting each lab value into a third color value according to the reverse lookup table.
Preferably, the creating a color profile in the color management of the printer according to the first color value includes:
establishing a sample color value of a color characteristic file according to the first color value and the primary color setting of the printer;
Printing according to the sample color values to obtain a color target graph;
scanning the color target image to obtain a lab value corresponding to each color block;
and establishing a mapping relation between the sample color value and the lab value to obtain the reverse lookup table of the printer.
Preferably, the forward lookup table is used for conversion of color values of a CMYK color gamut to a lab color gamut.
In addition, the color management based printer ink amount adjustment method of the embodiment of the present invention described in conjunction with fig. 1 can be implemented by a color management based printer ink amount adjustment apparatus. Fig. 6 is a schematic diagram showing a hardware configuration of a color management-based ink amount adjustment apparatus for a printer according to an embodiment of the present invention.
The color management based printer ink volume adjustment device may include a processor 401 and a memory 402 storing computer program instructions.
Specifically, the processor 401 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured as one or more Integrated circuits implementing embodiments of the present invention.
Memory 402 may include mass storage for data or instructions. By way of example, and not limitation, memory 402 may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, tape, or Universal Serial Bus (USB) Drive or a combination of two or more of these. Memory 402 may include removable or non-removable (or fixed) media, where appropriate. The memory 402 may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory 402 is a non-volatile solid-state memory. In a particular embodiment, the memory 402 includes Read Only Memory (ROM). Where appropriate, the ROM may be mask-programmed ROM, Programmable ROM (PROM), Erasable PROM (EPROM), Electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory or a combination of two or more of these.
The processor 401 reads and executes computer program instructions stored in the memory 402 to implement any of the color management based printer ink amount adjustment methods in the above-described embodiments.
In one example, the color management based printer ink volume adjustment device may also include a communication interface 403 and a bus 410. As shown in fig. 6, the processor 401, the memory 402, and the communication interface 403 are connected via a bus 410 to complete communication therebetween.
The communication interface 403 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present invention.
Bus 410 includes hardware, software, or both to couple the components of the color management based printer ink volume adjustment device to each other. By way of example, and not limitation, a bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a Hypertransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a Micro Channel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus or a combination of two or more of these. Bus 410 may include one or more buses, where appropriate. Although specific buses have been described and shown in the embodiments of the invention, any suitable buses or interconnects are contemplated by the invention.
In addition, in combination with the method for adjusting the ink amount of the printer based on color management in the above embodiments, the embodiments of the present invention can be implemented by providing a computer-readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any of the color management based printer ink volume adjustment methods of the above embodiments.
In summary, in the method, the apparatus, the device, and the medium for adjusting the ink amount of the printer based on color management provided in the embodiments of the present invention, the color value of the print medium is obtained and recorded as the first color value, and is combined with the color management of the printer, then the color value corresponding to each pixel point in the image to be printed is input and recorded as the second color value, and the second color value is converted through the color management to obtain the print color value corresponding to each pixel point and the ink amount value of the white ink. Therefore, partial ink amount can be saved, printing cost is reduced, and the white ink value is reasonably set according to the first color value instead of 100% white ink amount, so that the printed image is good in transition and touch handfeel.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.

Claims (10)

1. A method for adjusting an ink amount of a printer based on color management, the method comprising:
acquiring a color value of a printing medium, and recording the color value as a first color value;
establishing a color profile containing the first color value in color management of the printer according to the first color value;
acquiring the color value of each pixel point in the image to be printed, and recording the color value as a second color value;
and acquiring a printing color value and a white ink value corresponding to each pixel point according to each second color value and the color characteristic file.
2. The color management based printer ink amount adjustment method according to claim 1, wherein the color profile includes: and the forward lookup table and the reverse lookup table of the lab color space, wherein the forward lookup table is a mapping from an image to be printed or a printing medium input color space to the lab color space, and the reverse lookup table is a mapping from the lab color space to the color space input to the printer.
3. The method of claim 2, wherein the obtaining the third color value and the white ink amount value corresponding to each pixel point according to each of the second color values and the color profile comprises:
obtaining a third color value corresponding to each pixel point according to each second color value and the color characteristic file, wherein the second color value P1Is as follows, P1＝(C1、M1、Y1、K1) Said third color value P2Is as follows, P2＝(C2、M2、Y2、K2A), C is an ink volume concentration value corresponding to a cyan channel of the printer, M is an ink volume concentration value corresponding to a magenta channel of the printer, Y is an ink volume concentration value corresponding to a yellow channel of the printer, K is an ink volume concentration value corresponding to a black channel of the printer, and a is an ink volume concentration value corresponding to a first color channel of the printer;
and setting a printing color value corresponding to each pixel point and an ink quantity concentration value corresponding to the white ink channel according to each third color value.
4. The method of claim 3The method for adjusting the ink amount of a printer based on color management is characterized in that the printing color value P corresponding to each pixel point3Is as follows, P3＝(C2、M2、Y2、K2And 0), the ink volume concentration value W of the white ink channel corresponding to each pixel point is 255-A.
5. The method of claim 2, wherein the obtaining a third color value corresponding to each pixel point according to each of the second color values and the color profile comprises:
converting each second color value into a lab value according to the forward lookup table;
and converting each lab value into a third color value according to the reverse lookup table.
6. The method of any one of claims 2 to 5, wherein the creating a color profile in the color management of the printer according to the first color value comprises:
setting a sample color value for establishing a color profile according to the first color value and a primary color of the printer;
printing according to the sample color values to obtain a color target graph;
scanning the color target image to obtain a lab value corresponding to each color block;
and establishing a mapping relation between the sample color value and the lab value to obtain the reverse lookup table of the printer.
7. The method of claim 6, wherein the forward lookup table is used for conversion of color values from a CMYK color gamut to a lab color gamut.
8. An ink amount adjusting apparatus for a printer based on color management, the apparatus comprising:
the first color value acquisition module is used for acquiring the color value of the printing medium and recording the color value as the first color value;
the color characteristic file acquisition module is used for establishing a color characteristic file in the color management of the printer according to the first color value;
the second color value acquisition module is used for acquiring the color value of each pixel point in the image to be printed and recording the color value as a second color value;
and the printing color value acquisition module is used for acquiring the printing color value and the white ink value corresponding to each pixel point according to each second color value and the color characteristic file.
9. An ink amount adjusting apparatus for a printer based on color management, comprising: at least one processor, at least one memory, and computer program instructions stored in the memory that, when executed by the processor, implement the method of any of claims 1-7.
10. A storage medium having computer program instructions stored thereon, which when executed by a processor implement the method of any one of claims 1-7.
CN201910343650.9A 2019-04-26 2019-04-26 Printer ink amount adjusting method, device, equipment and medium based on color management Active CN111845101B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910343650.9A CN111845101B (en) 2019-04-26 2019-04-26 Printer ink amount adjusting method, device, equipment and medium based on color management

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910343650.9A CN111845101B (en) 2019-04-26 2019-04-26 Printer ink amount adjusting method, device, equipment and medium based on color management

Publications (2)

Publication Number Publication Date
CN111845101A true CN111845101A (en) 2020-10-30
CN111845101B CN111845101B (en) 2021-09-17

Family

ID=72951744

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910343650.9A Active CN111845101B (en) 2019-04-26 2019-04-26 Printer ink amount adjusting method, device, equipment and medium based on color management

Country Status (1)

Country Link
CN (1) CN111845101B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112721486A (en) * 2020-12-28 2021-04-30 深圳汉弘数字印刷集团股份有限公司 Printing method and ink-jet printer
CN113119472A (en) * 2021-04-20 2021-07-16 珠海赛纳三维科技有限公司 Voxel dot ink amount control method, three-dimensional printing device and storage medium
CN114559746A (en) * 2020-11-27 2022-05-31 深圳市汉森软件有限公司 Processing liquid data printing method, device, equipment and storage medium
CN114851735A (en) * 2022-06-07 2022-08-05 上海安诺其集团股份有限公司 Method and device for acquiring color description file, digital printing machine and storage medium
CN115412641A (en) * 2021-05-26 2022-11-29 深圳市汉森软件有限公司 Color printing method and device based on color matching and color printing equipment
CN115599324A (en) * 2022-12-09 2023-01-13 杭州宏华数码科技股份有限公司（Cn） Method, apparatus and medium for controlling digital color rendering apparatus to render color

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105829114A (en) * 2013-12-18 2016-08-03 惠普发展公司，有限责任合伙企业 Printer calibration for media color
CN107000457A (en) * 2014-11-28 2017-08-01 富士胶片株式会社 Ink image thing generation method
CN107231506A (en) * 2016-03-23 2017-10-03 柯尼卡美能达株式会社 The control device adjusted for color
JP2017229029A (en) * 2016-06-24 2017-12-28 キヤノン株式会社 Color separation processing apparatus, color separation processing method, generation method of color separation lut and program
CN108958674A (en) * 2018-07-17 2018-12-07 武汉市蒙泰科技发展有限责任公司 A kind of ink-jet printer chases after color method, system, storage medium and chases after color equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105829114A (en) * 2013-12-18 2016-08-03 惠普发展公司，有限责任合伙企业 Printer calibration for media color
CN107000457A (en) * 2014-11-28 2017-08-01 富士胶片株式会社 Ink image thing generation method
CN107231506A (en) * 2016-03-23 2017-10-03 柯尼卡美能达株式会社 The control device adjusted for color
JP2017229029A (en) * 2016-06-24 2017-12-28 キヤノン株式会社 Color separation processing apparatus, color separation processing method, generation method of color separation lut and program
CN108958674A (en) * 2018-07-17 2018-12-07 武汉市蒙泰科技发展有限责任公司 A kind of ink-jet printer chases after color method, system, storage medium and chases after color equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114559746A (en) * 2020-11-27 2022-05-31 深圳市汉森软件有限公司 Processing liquid data printing method, device, equipment and storage medium
CN112721486A (en) * 2020-12-28 2021-04-30 深圳汉弘数字印刷集团股份有限公司 Printing method and ink-jet printer
CN113119472A (en) * 2021-04-20 2021-07-16 珠海赛纳三维科技有限公司 Voxel dot ink amount control method, three-dimensional printing device and storage medium
CN113119472B (en) * 2021-04-20 2023-02-17 珠海赛纳三维科技有限公司 Voxel dot ink amount control method, three-dimensional printing device and storage medium
CN115412641A (en) * 2021-05-26 2022-11-29 深圳市汉森软件有限公司 Color printing method and device based on color matching and color printing equipment
CN114851735A (en) * 2022-06-07 2022-08-05 上海安诺其集团股份有限公司 Method and device for acquiring color description file, digital printing machine and storage medium
CN114851735B (en) * 2022-06-07 2024-01-19 上海安诺其集团股份有限公司 Method and device for acquiring color description file, digital printing machine and storage medium
CN115599324A (en) * 2022-12-09 2023-01-13 杭州宏华数码科技股份有限公司（Cn） Method, apparatus and medium for controlling digital color rendering apparatus to render color
CN115599324B (en) * 2022-12-09 2023-05-19 杭州宏华数码科技股份有限公司 Method, device and medium for controlling digital color device to color

Also Published As

Publication number Publication date
CN111845101B (en) 2021-09-17

Similar Documents

Publication Publication Date Title
CN111845101B (en) Printer ink amount adjusting method, device, equipment and medium based on color management
US7965417B2 (en) Tone correction table generation method and apparatus
US8040569B2 (en) Image processing apparatus and method for contrast processing and intermediate color removal
US8570605B2 (en) Image correction method and image correction system
US8616668B2 (en) Image processing apparatus, printing apparatus, and image processing method
US7312891B2 (en) Image processing method and apparatus
US8928960B2 (en) Control device controlling amount of colorant based on linear correlations between difference ratios and offsets
US7239403B2 (en) Methods and apparatus for colorant reduction
CN111845084B (en) Printer ink amount adjusting method, device, equipment and medium based on image processing
US20110075171A1 (en) Printing apparatus and calibration method
US11269278B2 (en) Image processing apparatus, image processing system, method, and recording medium
JP2011073307A (en) Error acquisition method and printer
US8848245B2 (en) Printing apparatus, method of generating color conversion table, and computer program
CN111845098B (en) Method, device, equipment and medium for adjusting ink amount of printer
CN111845100B (en) Printer ink amount setting method, device, equipment and medium based on image processing
CN111845099B (en) Method, device, equipment and medium for setting white ink quantity of printer
JP2011073306A (en) Error acquisition method and printer
US11778125B2 (en) Image processing apparatus, method, and product generating correction information in ascending order from a region of a smaller number of printing materials
US11601569B2 (en) Image processing device, image forming system, image processing method, and non-transitory computer-readable storage medium
JP2023081711A (en) Image processor, image processing method
CN114202591A (en) Color transition method, device and equipment based on ground color removal and storage medium
Wu et al. A Table-based Color Matching Approach to Improve Color Calibration for Color Output Devices
JP2006264010A (en) Color deviation correcting apparatus, color deviation correcting method and color deviation correcting program
JP2007276192A (en) Method of checking circuit board of ink-jet recording device, circuit board, ink-jet recording device, and liquid ejection device
JP2009282632A (en) Recording system and its profile generation method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210817

Address after: 1701, 1703, building C6, Hengfeng Industrial City, 739 Zhoushi Road, Hezhou community, Hangcheng street, Bao'an District, Shenzhen, Guangdong 518000

Applicant after: SHENZHEN HOSONSOFT Co.,Ltd.

Address before: Room 1701, building C6, Hengfeng Industrial Town, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province

Applicant before: SENDA (SHENZHEN) TECHNOLOGY Co.,Ltd.

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 518000 a201-a301, building a, Sino German European Industrial Demonstration Park, Hangcheng Avenue, guxing community, Xixiang street, Bao'an District, Shenzhen, Guangdong

Patentee after: Shenzhen Hansen Software Co.,Ltd.

Address before: 1701, 1703, building C6, Hengfeng Industrial City, 739 Zhoushi Road, Hezhou community, Hangcheng street, Bao'an District, Shenzhen, Guangdong 518000

Patentee before: SHENZHEN HOSONSOFT Co.,Ltd.

CP03 Change of name, title or address