CN111540334B - Display control method, device, controller and storage medium - Google Patents
Display control method, device, controller and storage medium Download PDFInfo
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- CN111540334B CN111540334B CN202010642131.5A CN202010642131A CN111540334B CN 111540334 B CN111540334 B CN 111540334B CN 202010642131 A CN202010642131 A CN 202010642131A CN 111540334 B CN111540334 B CN 111540334B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
Abstract
The embodiment of the invention provides a display control method, a display control device, a controller and a storage medium, wherein the method comprises the following steps: acquiring a first color compensation table and a second color compensation table which are prestored; the attributes of pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, wherein the attributes of the pixel compensation values comprise an attribute for brightening an original pixel and an attribute for darkening the original pixel; and switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on the display picture by adopting the switched current color compensation table. According to the embodiment of the invention, each pixel of the display picture generates mixed light (brightened and darkened mixed) in a time domain, the problem that mosaic appears on the front view angle picture due to darkening of partial pixels of the display picture is avoided, and the effect of improving the display quality of the front view angle picture is achieved.
Description
Technical Field
The embodiment of the invention relates to the technical field of display equipment, in particular to a display control method, a display control device, a controller and a storage medium.
Background
Liquid crystal display devices are generally composed of optical elements such as liquid crystal panels, and are widely used in liquid crystal televisions, computers, and the like.
In a liquid crystal display device using a VA (Vertical Alignment) mode, a phenomenon (a problem of gamma shift or gamma shift) in which gamma characteristics are greatly changed occurs in an oblique viewing angle, and thus image quality resolution at the oblique viewing angle is poor. At present, a color shift improvement algorithm is mainly used for compensating the resolution of the image quality of an oblique viewing angle.
However, the conventional color shift improvement algorithm darkens part of pixels, which causes a mosaic problem in a front-view picture and reduces the resolution of the front-view picture.
Disclosure of Invention
Embodiments of the present invention provide a display control method, an apparatus, a controller, and a storage medium, so as to overcome a problem that a mosaic problem occurs in a front view image and a resolution of the front view image is reduced due to a partial pixel becoming dark by an existing color shift improvement algorithm.
In a first aspect, an embodiment of the present invention provides a display control method, including:
acquiring a first color compensation table and a second color compensation table which are prestored; the attributes of pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, wherein the attributes of the pixel compensation values comprise an attribute for brightening an original pixel and an attribute for darkening the original pixel;
and switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on the display picture by adopting the switched current color compensation table.
In one possible design, the first pixel compensation values in the first color compensation table and the second pixel compensation values in the second color compensation table are arranged in an array; in a first direction of a display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; in a second direction of the display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; wherein the first direction and the second direction are orthogonal.
In one possible design, the first pixel compensation value in the first color compensation table is adjustable with the second pixel compensation value at the same position in the second color compensation table.
In one possible design, the switching the first color compensation table and the second color compensation table according to a preset rule includes: and switching the first color compensation table and the second color compensation table every other picture with preset frame numbers.
In one possible design, the switching the first color compensation table and the second color compensation table according to a preset rule includes: and switching the first color compensation table and the second color compensation table for each frame of picture.
In one possible design, the switching the first color compensation table and the second color compensation table according to a preset rule includes:
in a first time period, switching the first color compensation table and the second color compensation table according to a first preset frame number;
in a second time period, switching the first color compensation table and the second color compensation table according to a second preset frame number;
wherein the first time period and the second time period alternate in a cycle.
In a second aspect, an embodiment of the present invention provides a display control apparatus, including:
the acquisition module is used for acquiring a pre-stored first color compensation table and a pre-stored second color compensation table; the attributes of pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, wherein the attributes of the pixel compensation values comprise an attribute for brightening an original pixel and an attribute for darkening the original pixel;
and the processing module is used for switching the first color compensation table and the second color compensation table according to a preset rule and performing color cast compensation on the display picture by adopting the switched current color compensation table.
In one possible design, the first pixel compensation values in the first color compensation table and the second pixel compensation values in the second color compensation table are arranged in an array;
in a first direction of a display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes;
in a second direction of the display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes;
wherein the first direction and the second direction are orthogonal.
In a third aspect, an embodiment of the present invention provides a controller, including: at least one processor and memory; the memory stores computer-executable instructions; the at least one processor executes computer-executable instructions stored by the memory to cause the at least one processor to perform the display control method as set forth in the first aspect above and in various possible designs of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, and when a processor executes the computer-executable instructions, the display control method according to the first aspect and various possible designs of the first aspect is implemented.
The display control method, the display control device, the display controller and the storage medium provided by the embodiment of the invention are characterized in that the method firstly obtains a first color compensation table and a second color compensation table which are prestored; because the attributes of the pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, one of the pixel compensation values is used for brightening the original pixel, and the other pixel compensation value is used for darkening the original pixel; and then switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on the display picture by adopting the switched current color compensation table, so that each pixel of the display picture generates mixed light (brightened and darkened mixture) in a time domain, the problem that mosaic appears on the front view angle picture due to the use of a fixed color compensation table is avoided, and the display quality of the front view angle picture is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a display control method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a first color compensation table and a second color compensation table according to an embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating a display control method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a display control apparatus according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a hardware structure of a controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The color cast improving algorithm is used for compensating the resolution of the image quality at the oblique viewing angle, only one color compensation table is adopted when each frame of the displayed image is subjected to color cast compensation, and because only one fixed color compensation table is used, partial pixels of the displayed image are darkened, the mosaic problem of the image at the positive viewing angle is caused, and the resolution is influenced.
Aiming at the problems, the invention provides the following technical scheme: providing two different color compensation tables, wherein the compensation values at the same position in the two color compensation tables have different and complementary properties (namely one is used for lightening the pixel and the other is used for darkening the pixel); the two different color compensation tables are adopted for switching, and color cast compensation is carried out on the pictures of different frames of the display picture according to the different color compensation tables, so that mixed light (brightening and darkening mixing) is generated on each pixel of the display picture in a time domain, the problem that mosaic appears on a front view angle picture due to darkening of partial pixels of the display picture caused by color cast compensation only by one fixed color compensation table is avoided, and the effect of improving the display quality of the front view angle picture is achieved.
Fig. 1 is a schematic structural diagram of a liquid crystal display device according to an embodiment of the present invention.
In fig. 1, the Display panel is an LCD (Liquid Crystal Display). The display signal source corresponding to the display frame may be input through a TCON (Time Controller) of the display panel, and the display frame is displayed on the display panel. The display signal source may come from other devices, such as a set-top box, a computer, etc.
Fig. 2 is a schematic flow chart of a display control method according to an embodiment of the present invention. The method may be applied to the TCON in fig. 1, and may also be applied to other controllers connected to the liquid crystal display device, as shown in fig. 2, and the method includes:
s201: acquiring a first color compensation table and a second color compensation table which are prestored; the attributes of the pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, wherein the attributes of the pixel compensation values comprise an attribute for brightening the original pixel and an attribute for darkening the original pixel.
In this embodiment, the first color compensation table and the second color compensation table may be pre-stored in the TCON.
The TCON may pre-store a plurality of color compensation tables, and the first color compensation table and the second color compensation table are two different compensation tables with different attributes of pixel compensation values corresponding to the same position of the compensation tables in the plurality of color compensation tables.
Referring to fig. 3, the first pixel compensation values in the first color compensation table (a) and the second pixel compensation values in the second color compensation table (B) are arranged in an array. In a first direction (a direction) of a display screen, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; in a second direction (b direction) of the display screen, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; wherein the first direction and the second direction are orthogonal.
The attribute of brightening the original pixel is to raise the original pixel luminance (indicated by "H" in fig. 3), and the attribute of darkening the original pixel is to lower the original pixel luminance (indicated by "L" in fig. 3).
In this embodiment, the first pixel compensation value in the first color compensation table and the second pixel compensation value at the same position in the second color compensation table are both adjustable.
For example, in the first color compensation table (a), H represents that "120% > (original pixel luminance)" may be set, i.e., the luminance of the original pixel is raised to 120%; l denotes a value that can be set to "60% > (original pixel luminance)", i.e., the luminance is reduced to 60% for the original pixel.
The sizes of the first color compensation table and the second color compensation table are adaptive to the pixel distribution of the display panel.
S202: and switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on the display picture by adopting the switched current color compensation table.
Specifically, the color cast compensation of the display picture by using the switched current color compensation table is as follows: and for the picture of any frame of the display picture, carrying out brightness increasing or reducing treatment on the pixel at the corresponding position on the picture of any frame according to each pixel compensation value in the current color compensation table.
As can be seen from the above description, the present embodiment first obtains a first color compensation table and a second color compensation table that are pre-stored; because the attributes of the pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, one of the pixel compensation values is used for brightening the original pixel, and the other pixel compensation value is used for darkening the original pixel; and then switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on the display picture by adopting the switched current color compensation table, so that each pixel of the display picture generates mixed light in a time domain (the pixels are alternately brightened and darkened in the time domain), the problem that mosaic appears on the front view picture due to the use of a fixed color compensation table is avoided, and the display quality of the front view picture is improved.
In one or more embodiments of the present invention, in the step S202, the preset rules in the first color compensation table and the second color compensation table are switched according to preset rules, so that flexible adjustment can be performed according to the display frame.
In a possible implementation manner, the switching the first color compensation table and the second color compensation table according to the preset rule in step S202 includes: and switching the first color compensation table and the second color compensation table every other picture with preset frame numbers.
Wherein the preset number of frames may be 10 frames. For example, 10 frames of the display may be color-shift compensated by the first color compensation table, and then the subsequent 10 frames of the display may be color-shift compensated by the second color compensation table, so that all pixels generate the light mixing in the time domain.
First mode
Referring to fig. 1, when the TCON receives a display signal source transmitted by another device, the display pictures are decoded according to the display signal source, and the display pictures are sorted by time frame. Firstly, according to the pixel compensation value of the first color compensation table, carrying out color cast compensation on each frame of 10 frames of the display picture, then according to the pixel compensation value of the second color compensation table, carrying out color cast compensation on each frame of the following 10 frames of the display picture, and so on, thereby completing the color compensation on the display picture.
In this embodiment, the first color compensation table and the second color compensation table are switched according to the preset frame number period of the display frame, so that the switching times can be reduced, and the TCON processing pressure can be reduced.
In a possible implementation manner, the switching the first color compensation table and the second color compensation table according to the preset rule in step S202 includes: and switching the first color compensation table and the second color compensation table for each frame of picture.
Second mode
Referring to fig. 1, when the TCON receives a display signal source transmitted by another device, the display pictures are decoded according to the display signal source, and the display pictures are sorted by time frame. Firstly, carrying out color cast compensation on each frame of 1 frame of a display picture according to the pixel compensation value of the first color compensation table, then carrying out color cast compensation on each frame of the following 1 frame of the display picture according to the pixel compensation value of the second color compensation table, and so on, and completing the color compensation on the display picture.
In this embodiment, the first color compensation table and the second color compensation table are switched according to each frame of the display frame, so that the display frame can ensure the effect of generating mixed light in the minimum granularity time unit, and the display quality is further improved.
In a possible implementation manner, the switching the first color compensation table and the second color compensation table according to the preset rule in step S202 includes: in a first time period, switching the first color compensation table and the second color compensation table according to a first preset frame number; in a second time period, switching the first color compensation table and the second color compensation table according to a second preset frame number; wherein the first time period and the second time period alternate in a cycle.
The first time period and the second time period can be flexibly adjusted according to requirements. For example, the first color compensation table is used to perform color shift compensation on 10 frames of the display frame, and the second color compensation table is used to perform color shift compensation on the following 10 frames of the display frame for 3 seconds; then, the first color compensation table performs color shift compensation on 20 frames of the display frame, and then the second color compensation table performs color shift compensation on the subsequent 20 frames of the display frame for 5 seconds.
Third mode
Referring to fig. 1, when the TCON receives a display signal source transmitted by another device, the display pictures are decoded according to the display signal source, and the display pictures are sorted by time frame.
And in a first time period, performing color cast compensation on each frame of 10 frames of pictures of the display picture according to the pixel compensation value of the first color compensation table, then performing color cast compensation on each frame of the following 10 frames of pictures of the display picture according to the pixel compensation value of the second color compensation table, and so on, and completing the color compensation on the display picture in the first time period.
And in a second time period, performing color cast compensation on each frame of 20 frames of the display picture according to the pixel compensation value of the first color compensation table, then performing color cast compensation on each frame of the following 20 frames of the display picture according to the pixel compensation value of the second color compensation table, and so on, and completing the color compensation on the display picture in the second time period.
In this embodiment, the first time period and the second time period can be flexibly adjusted according to requirements to meet the display requirements of different display screens.
Referring to fig. 4, the principle of the above display control method will be described below by way of a specific application example.
S301: the TCON acquires two pre-stored color compensation tables.
The two color compensation tables may be N × M arrays, and each array element is a pixel compensation value.
S302: the TCON transmits data of the two color compensation table display frames to the display panel.
The data of the display frame is a display signal source of the output value TCON of other equipment.
S303: and the TCON controls each frame of picture in the display panel to sequentially switch and call one of the two color compensation tables to perform color cast compensation on the pixels of each frame of picture.
S304: and superposing each frame of picture to obtain a final display picture.
As can be seen from the above description, the improvement of the display quality of the front view image can be realized by TCON, and the manufacturing cost can be reduced without adding new hardware.
Fig. 5 is a schematic structural diagram of a display control apparatus according to an embodiment of the present invention. As shown in fig. 5, the display control apparatus 50 includes: an acquisition module 501 and a processing module 502.
The acquiring module 501 is configured to acquire a first color compensation table and a second color compensation table which are pre-stored; the attributes of pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, wherein the attributes of the pixel compensation values comprise an attribute for brightening an original pixel and an attribute for darkening the original pixel;
the processing module 502 is configured to switch the first color compensation table and the second color compensation table according to a preset rule, and perform color cast compensation on a display picture by using the switched current color compensation table.
As can be seen from the above description, the present embodiment first obtains a first color compensation table and a second color compensation table that are pre-stored; because the attributes of the pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different, one of the pixel compensation values is used for brightening the original pixel, and the other pixel compensation value is used for darkening the original pixel; and then switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on the display picture by adopting the switched current color compensation table, so that each pixel of the display picture generates mixed light in a time domain (the pixels are alternately brightened and darkened in the time domain), the problem that mosaic appears on the front view picture due to the use of a fixed color compensation table is avoided, and the display quality of the front view picture is improved.
In one or more embodiments of the present invention,
the first pixel compensation value in the first color compensation table and the second pixel compensation value in the second color compensation table are arranged according to an array; in a first direction of a display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; in a second direction of the display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; wherein the first direction and the second direction are orthogonal.
In one or more embodiments of the present invention, the first pixel compensation value in the first color compensation table and the second pixel compensation value at the same position in the second color compensation table are adjustable.
In one or more embodiments of the present invention, the processing module 502 is specifically configured to switch the first color compensation table and the second color compensation table every other frame of a preset number of frames.
In one or more embodiments of the present invention, the processing module 502 is specifically configured to switch the first color compensation table and the second color compensation table for each frame of the picture.
In one or more embodiments of the present invention, the processing module 502 is specifically configured to switch the first color compensation table and the second color compensation table every other first preset number of frames in a first time period; in a second time period, switching the first color compensation table and the second color compensation table according to a second preset frame number; wherein the first time period and the second time period alternate in a cycle.
The apparatus provided in this embodiment may be used to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 6 is a schematic diagram of a hardware structure of a controller according to an embodiment of the present invention. As shown in fig. 6, the controller 60 of the present embodiment includes: a processor 601 and a memory 602; wherein
A memory 602 for storing computer-executable instructions;
the processor 601 is configured to execute the computer execution instructions stored in the memory to implement the steps performed by the server in the above embodiments. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 602 may be separate or integrated with the processor 601.
When the memory 602 is provided separately, the controller further comprises a bus 603 for connecting the memory 602 and the processor 601.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer execution instruction is stored in the computer-readable storage medium, and when a processor executes the computer execution instruction, the display control method as described above is implemented.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to implement the solution of the present embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor to execute some steps of the methods described in the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the storage medium may reside as discrete components in an electronic device or host device.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A display control method, comprising:
acquiring a first color compensation table and a second color compensation table which are prestored; the attributes of the pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different and complementary, wherein the attributes of the pixel compensation values comprise an attribute for brightening an original pixel and an attribute for darkening the original pixel;
switching the first color compensation table and the second color compensation table according to a preset rule, and performing color cast compensation on a display picture by adopting the switched current color compensation table;
wherein, switching the first color compensation table and the second color compensation table according to a preset rule includes:
in a first time period, switching the first color compensation table and the second color compensation table according to a first preset frame number; in a second time period, switching the first color compensation table and the second color compensation table according to a second preset frame number; wherein the first time period and the second time period alternate in a cycle.
2. The method according to claim 1, wherein the first pixel compensation values in the first color compensation table and the second pixel compensation values in the second color compensation table are arranged in an array;
in a first direction of a display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes;
in a second direction of the display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes;
wherein the first direction and the second direction are orthogonal.
3. The method of claim 1, wherein the first pixel compensation value in the first color compensation table is adjustable with the second pixel compensation value at the same position in the second color compensation table.
4. The method according to any one of claims 1 to 3, wherein said switching said first color compensation table and said second color compensation table according to a preset rule comprises:
and switching the first color compensation table and the second color compensation table every other picture with preset frame numbers.
5. The method according to any one of claims 1 to 3, wherein said switching said first color compensation table and said second color compensation table according to a preset rule comprises:
and switching the first color compensation table and the second color compensation table for each frame of picture.
6. A display control apparatus, characterized by comprising:
the acquisition module is used for acquiring a pre-stored first color compensation table and a pre-stored second color compensation table;
the attributes of the pixel compensation values corresponding to the same position in the first color compensation table and the second color compensation table are different and complementary, wherein the attributes of the pixel compensation values comprise an attribute for brightening an original pixel and an attribute for darkening the original pixel;
a processing module for switching the first color compensation table and the second color compensation table according to a preset rule, performing color cast compensation on the display picture by adopting the switched current color compensation table,
the processing module is specifically configured to switch the first color compensation table and the second color compensation table every other first preset frame number in a first time period; in a second time period, switching the first color compensation table and the second color compensation table according to a second preset frame number; wherein the first time period and the second time period alternate in a cycle.
7. The apparatus of claim 6,
the first pixel compensation value in the first color compensation table and the second pixel compensation value in the second color compensation table are arranged according to an array; in a first direction of a display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; in a second direction of the display picture, the first pixel compensation value and the second pixel compensation value at the same position have different attributes; wherein the first direction and the second direction are orthogonal.
8. A controller, comprising: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executing the computer-executable instructions stored by the memory causes the at least one processor to perform the display control method of any of claims 1 to 5.
9. A computer-readable storage medium having stored therein computer-executable instructions that, when executed by a processor, implement the display control method of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642131.5A CN111540334B (en) | 2020-07-06 | 2020-07-06 | Display control method, device, controller and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010642131.5A CN111540334B (en) | 2020-07-06 | 2020-07-06 | Display control method, device, controller and storage medium |
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