CN115941916B - Correction data determining method, display screen correction method and determining device - Google Patents
Correction data determining method, display screen correction method and determining device Download PDFInfo
- Publication number
- CN115941916B CN115941916B CN202110892632.3A CN202110892632A CN115941916B CN 115941916 B CN115941916 B CN 115941916B CN 202110892632 A CN202110892632 A CN 202110892632A CN 115941916 B CN115941916 B CN 115941916B
- Authority
- CN
- China
- Prior art keywords
- data
- gamma
- white balance
- warm
- cold
- 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.)
- Active
Links
- 238000012937 correction Methods 0.000 title claims abstract description 218
- 238000000034 method Methods 0.000 title claims abstract description 85
- 238000012360 testing method Methods 0.000 claims abstract description 197
- 230000004044 response Effects 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 238000004422 calculation algorithm Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Processing Of Color Television Signals (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The application provides a method for determining correction data, a method for correcting a display screen and a device for determining the correction data, wherein the method for determining the correction data comprises the following steps: acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of a display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed; determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data; according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data, the cold color white balance data and the warm color white balance data are determined, so that the problem that the efficiency is low due to the fact that gamma data and white balance data are calculated through serial port repeated setting parameters and correction data in the prior art is solved.
Description
Technical Field
The present application relates to the field of correction data, and more particularly, to a correction data determination method, a display screen correction method, a correction data determination device, a computer-readable storage medium, a processor, and a display system.
Background
The image quality engineer measures the color coordinates of the liquid crystal television through a color temperature instrument, obtains correction gamma data, and then manually adjusts the white balance data of the machine to ensure that the color temperature of the liquid crystal television meets the requirements of clients, and general clients require to adjust three modes: standard mode (color temperature 9300K), warm color mode (color temperature 6500K), cold color mode (12000K).
In the prior art, gamma data and white balance data are difficult to automatically calculate, and parameters and verification data are required to be repeatedly set through a serial port, so that the efficiency is low.
Therefore, a method for automatically calculating gamma data and white balance data is needed.
The above information disclosed in the background section is only for enhancement of understanding of the background art from the technology described herein and, therefore, may contain some information that does not form the prior art that is already known in the country to a person of ordinary skill in the art.
Disclosure of Invention
The main objective of the present application is to provide a method for determining correction data, a method for correcting a display screen, a device for determining correction data, a computer readable storage medium, a processor and a display system, so as to solve the problem in the prior art that efficiency is low because gamma data and white balance data need to be calculated by repeating setting parameters and correction data through a serial port.
According to an aspect of an embodiment of the present invention, there is provided a method of determining correction data, including: the correction data is used for correcting the color temperature of the display screen, and the method comprises the following steps: acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed; determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, wherein the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature; and determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data.
Optionally, before acquiring the test color coordinate data, the test luminance data, and the gamma correction target data, the method further includes: displaying an automatic correction interface, wherein the automatic correction interface comprises a starting correction mark; determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, including: receiving a first predetermined operation acting on the start correction flag; and responding to the first preset operation, and determining the standard gamma data, the cold gamma data and the warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameters.
Optionally, determining the cold white balance data and the warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data includes: using the formulaCalculating the cold white balance data, wherein gamma Cool colour represents the cold gamma data, WB Standard of represents the standard white balance data, and gamma Standard of represents the standard gamma data; using the formula/>And calculating the warm color white balance data, wherein gamma Warm color represents the warm color gamma data.
Optionally, the automatic correction interface further includes a first display area, where the first display area is used to display the gamma correction target data, and the gamma correction target data in the first display area is editable data.
Optionally, the automatic correction interface further includes a connection identifier, and acquiring test color coordinate data and test brightness data includes: controlling the display screen to be connected with a color temperature meter in response to a second predetermined operation acting on the connection identifier; and receiving the test color coordinate data obtained by the color temperature meter test and the test brightness data.
Optionally, the auto-correction interface further includes a second display area, where the second display area is configured to display standard white balance data, cold white balance data, and warm white balance data, and after determining the cold white balance data and the warm color temperature white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data, the method further includes: and displaying the standard white balance data, the cold white balance data and the warm white balance data in the second display area.
Optionally, the automatic correction interface further includes a save identifier, and the method further includes: and responding to a third preset operation acted on the preservation mark and used for preserving the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data and the warm white balance data.
Optionally, the automatic correction interface further includes a third display area, where the third display area is configured to display standard correction target data, cold correction target data, and warm correction target data, and the standard correction target data, the cold correction target data, and the warm correction target data in the third display area are editable data.
According to another aspect of the embodiment of the present invention, there is also provided a method for correcting a display screen, including: receiving gamma correction data, cold white balance data and warm white balance data determined by any correction data determining method; and correcting the color temperature of the display screen according to the gamma correction data, the cold white balance data and the warm white balance data.
According to still another aspect of the embodiments of the present invention, there is also provided a determination apparatus of correction data for correcting a color temperature of a display screen, the apparatus including: the display screen comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for acquiring test color coordinate data, test brightness data and gamma correction target data, the test color coordinate data are color coordinate data of the display screen when a test picture is displayed, and the test brightness data are brightness data of the display screen when the test picture is displayed; the first determining unit is configured to determine standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, where the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature; and the second determining unit is used for determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data.
According to still another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program performs any one of the methods.
According to an aspect of the embodiment of the present invention, there is further provided a processor, where the processor is configured to execute a program, and when the program is executed, perform any one of the methods.
According to still another aspect of the embodiment of the present invention, there is also provided a display system including: a display screen, one or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing any of the methods.
In the method for determining the correction data, the correction data is used for correcting the color temperature of the display screen, and the method comprises the following steps: firstly, acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed; then, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold gamma data and warm gamma data, wherein the standard gamma data is gamma data meeting standard color temperature, the cold gamma data is gamma data meeting cold color temperature, and the warm gamma data is gamma data meeting warm color temperature; and finally, determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data. In the method for determining the correction data, the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data and the warm white balance data can be automatically calculated according to the acquired test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and the color temperature correction is carried out on the display screen according to the calculated gamma data and the white balance data.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 illustrates a schematic diagram of a method of determining correction data according to one embodiment of the application;
FIG. 2 shows a schematic diagram of a determination device of correction data according to an embodiment of the present application;
FIG. 3 illustrates an architecture diagram of one implementation environment in accordance with the present application;
FIG. 4 shows a schematic diagram of an auto-calibration interface according to one embodiment of the application.
Wherein the above figures include the following reference numerals:
100. A connection identifier; 101. a first display area; 102. storing the identification; 103. starting a correction mark; 104. a second display area; 105. a third display area; 106. a computer; 107. a color temperature meter; 108. a display screen; 109. the interface is automatically calibrated.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, in order to solve the problem that the efficiency is low due to the need to calculate gamma data and white balance data by repeating setting parameters and correction data through serial ports in the prior art, in an exemplary embodiment of the present application, a method for determining correction data, a method for correcting a display screen, a device for determining correction data, a computer readable storage medium, a processor, and a display system are provided.
According to an embodiment of the present application, there is provided a method of determining correction data.
Fig. 1 is a flowchart of a method of determining correction data according to an embodiment of the present application. As shown in fig. 1, the above correction data is used for correcting the color temperature of the display screen, and the method includes the steps of:
step S101, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed;
step S102, determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, wherein the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature;
step S103, determining cold white balance data and warm white balance according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data.
In the method for determining correction data, the correction data is used for correcting the color temperature of the display screen, and the method includes: firstly, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed; then, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold gamma data and warm gamma data, wherein the standard gamma data is gamma data meeting standard color temperature, the cold gamma data is gamma data meeting cold color temperature, and the warm gamma data is gamma data meeting warm color temperature; and finally, determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data. In the method for determining the correction data, the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data and the warm white balance data can be automatically calculated according to the acquired test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and the color temperature correction is carried out on the display screen according to the calculated gamma data and the white balance data.
In a specific embodiment of the present application, according to the test color coordinate data, the test brightness data, and the gamma correction target data, standard gamma data, cold gamma data, and warm gamma data are determined, where the standard gamma data is gamma data satisfying a standard color temperature, the cold gamma data is gamma data satisfying a cold color temperature, and the warm gamma data is gamma data satisfying a warm color temperature, including: correcting gamma data meeting standard color temperature (9300K), namely standard gamma data, by utilizing a gamma correction algorithm according to the acquired test color coordinate data, the test brightness data and the gamma correction target data; and calculating gamma data meeting the cold color temperature (12000K) and gamma R and G, B data meeting the warm color temperature (6500K) on the highest brightness point by utilizing a gamma correction algorithm according to the test color coordinate data, the test brightness data and the gamma correction target data, namely the cold color gamma data and the warm color gamma data.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
In one embodiment of the present application, before acquiring the test color coordinate data, the test brightness data and the gamma correction target data, the method further includes: displaying an automatic correction interface, wherein the automatic correction interface comprises a starting correction mark; determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, wherein the method comprises the following steps: receiving a first predetermined operation acting on the start correction flag; and determining the standard gamma data, the cold gamma data and the warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter in response to the first preset operation. In this embodiment, the displayed automatic correction interface includes a start correction identifier, a first predetermined operation acting on the start correction identifier is received, and after the first predetermined operation is received, the target parameters are corrected according to the test color coordinate data, the test brightness data and the gamma, so that the method is more flexible, and the standard gamma data, the cold gamma data and the warm gamma data can be automatically acquired according to actual requirements.
In a specific embodiment of the present application, normalization processing is performed on standard gamma data, standard white balance data, cold gamma data, and warm gamma data to obtain cold white balance data and warm white balance data.
In order to calculate the cold white balance data and the warm white balance data more accurately, in another embodiment of the present application, determining the cold white balance data and the warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data includes: using the formulaCalculating the cold white balance data, wherein gamma Cool colour represents the cold gamma data, WB Standard of represents the standard white balance data, and gamma Standard of represents the standard gamma data; using the formula/>And calculating the warm white balance data, wherein gamma Warm color represents the warm gamma data.
In another embodiment of the present application, the auto-calibration interface further includes a first display area, where the first display area is used for displaying the gamma calibration target data, and the gamma calibration target data in the first display area is editable data. In this embodiment, only the gamma correction target data of the first display area is required to be acquired, and the parameter is not required to be repeatedly set through the serial port, so that the operation is simpler, the standard gamma data, the cold gamma data and the warm gamma data can be determined more efficiently according to the acquired gamma correction target data, the test color coordinate data and the test brightness data, and the gamma correction target data can be flexibly set according to actual requirements.
In still another embodiment of the present application, the automatic calibration interface further includes a connection identifier, and the obtaining test color coordinate data and test brightness data includes: controlling the connection of the display screen and the color temperature meter in response to a second predetermined operation acting on the connection flag; and receiving the test color coordinate data and the test brightness data obtained by testing the color temperature instrument. In this embodiment, in response to the second predetermined operation acting on the connection flag, it is ensured that the connection of the display screen and the color temperature meter can be controlled relatively simply and efficiently, and it is further ensured that the test color coordinate data and the test luminance data obtained by the test of the color temperature meter are received relatively efficiently.
In the practical application process, the display screen is connected with the HDMI line, and the test picture is output to the display screen through the HDMI line, and of course, the display screen is not limited to being connected with the HDMI line.
In an embodiment of the present application, the auto-calibration interface further includes a second display area, where the second display area is configured to display standard white balance data, cold white balance data, and warm white balance data, and after determining the cold white balance data and the warm color temperature white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data, the method further includes: and displaying the standard white balance data, the cold white balance data and the warm white balance data in the second display area, so that high interactivity is ensured, and a user can directly obtain the cold white balance data and the warm white balance data through the second display area.
In a specific embodiment of the present application, the standard white balance data is a configuration parameter of embedded software of a television, and each set of white balance data includes three values (R-gain, G-gain, B-gain).
In another embodiment of the present application, the automatic correction interface further includes a save identifier, and the method further includes: and responding to a third preset operation acted on the storage mark, and storing the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data and the warm white balance data, and correcting the display screen according to the stored data, thereby further ensuring that the display screen can be corrected efficiently and accurately.
In yet another embodiment of the present application, the auto-calibration interface further includes a third display area, where the third display area is configured to display standard calibration target data, cold calibration target data, and warm calibration target data, and the standard calibration target data, the cold calibration target data, and the warm calibration target data in the third display area are editable data. In this embodiment, only the standard correction target data, the cold correction target data, and the warm correction target data of the third display area need to be acquired, and the parameters do not need to be repeatedly set through the serial port, so that the operation is ensured to be simpler, and the standard correction target data, the cold correction target data, and the warm correction target data in the third display area are editable data, so that the data can be flexibly adjusted according to actual requirements.
In another exemplary embodiment of the present application, there is also provided a method for correcting a display screen, including: receiving gamma correction data, cold white balance data and warm white balance data determined by any one of the correction data determining methods; and correcting the color temperature of the display screen according to the gamma correction data, the cold white balance data and the warm white balance data.
In the correction method of the display screen, gamma correction data, cold white balance data and warm white balance data which are automatically calculated by a determination method of any correction data are received; according to the gamma correction data, the cold white balance data and the warm white balance data, the color temperature of the display screen is corrected, and the scheme does not need to repeatedly set parameters and correction data through a serial port, so that good compatibility of the scheme is ensured, and the operation is simpler.
The embodiment of the application also provides a device for determining correction data, and the device for determining correction data in the embodiment of the application can be used for executing the method for determining correction data provided in the embodiment of the application. The following describes a determination device for correction data provided in an embodiment of the present application.
Fig. 2 is a schematic diagram of a determination apparatus of correction data according to an embodiment of the present application. As shown in fig. 2, the above correction data is used for correcting the color temperature of the display screen, and the apparatus includes:
An obtaining unit 10, configured to obtain test color coordinate data, test luminance data, and gamma correction target data, where the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test luminance data is luminance data of the display screen when the test picture is displayed;
A first determining unit 20, configured to determine standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, where the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature;
A second determining unit 30, configured to determine cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data.
In the correction data determining device, an acquisition unit is used for acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed; the first determining unit is configured to determine standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, where the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature; the second determining unit is configured to determine cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data. In the correction data determining device, standard gamma data, cold gamma data, warm gamma data, cold white balance data and warm white balance data can be automatically calculated according to the acquired test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and color temperature correction is carried out on the display screen according to the calculated gamma data and white balance data.
In a specific embodiment of the present application, according to the test color coordinate data, the test brightness data, and the gamma correction target data, standard gamma data, cold gamma data, and warm gamma data are determined, where the standard gamma data is gamma data satisfying a standard color temperature, the cold gamma data is gamma data satisfying a cold color temperature, and the warm gamma data is gamma data satisfying a warm color temperature, including: correcting gamma data meeting standard color temperature (9300K), namely standard gamma data, by utilizing a gamma correction algorithm according to the acquired test color coordinate data, the test brightness data and the gamma correction target data; and calculating gamma data meeting the cold color temperature (12000K) and gamma R and G, B data meeting the warm color temperature (6500K) on the highest brightness point by utilizing a gamma correction algorithm according to the test color coordinate data, the test brightness data and the gamma correction target data, namely the cold color gamma data and the warm color gamma data.
In one embodiment of the present application, before acquiring the test color coordinate data, the test brightness data and the gamma correction target data, the apparatus further includes a first display unit, configured to display an automatic correction interface, where the automatic correction interface includes a start correction identifier; the first determining unit further comprises a receiving module, a first response module and a determining module, wherein the receiving module is used for receiving a first preset operation acting on the starting correction identifier; the first response module is used for responding to the first preset operation, and the determining module is used for determining the standard gamma data, the cold gamma data and the warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameters. In this embodiment, the displayed automatic correction interface includes a start correction identifier, a first predetermined operation acting on the start correction identifier is received, and after the first predetermined operation is received, the target parameters are corrected according to the test color coordinate data, the test brightness data and the gamma, so that the method is more flexible, and the standard gamma data, the cold gamma data and the warm gamma data can be automatically acquired according to actual requirements.
In a specific embodiment of the present application, normalization processing is performed on standard gamma data, standard white balance data, cold gamma data, and warm gamma data to obtain cold white balance data and warm white balance data.
In order to calculate the cold white balance data and the warm white balance data more accurately, in another embodiment of the present application, the second determining unit further includes a first calculating module and a second calculating module, where the first calculating module is configured to use a formulaCalculating the cold white balance data, wherein gamma Cool colour represents the cold gamma data, WB Standard of represents the standard white balance data, and gamma Standard of represents the standard gamma data; the second calculation module is used for adopting a formulaAnd calculating the warm white balance data, wherein gamma Warm color represents the warm gamma data.
In another embodiment of the present application, the auto-calibration interface further includes a first display area, where the first display area is used for displaying the gamma calibration target data, and the gamma calibration target data in the first display area is editable data. In this embodiment, only the gamma correction target data of the first display area is required to be acquired, and the parameter is not required to be repeatedly set through the serial port, so that the operation is simpler, the standard gamma data, the cold gamma data and the warm gamma data can be determined more efficiently according to the acquired gamma correction target data, the test color coordinate data and the test brightness data, and the gamma correction target data can be flexibly set according to actual requirements.
In still another embodiment of the present application, the automatic correction interface further includes a connection identifier, and the obtaining unit further includes a second response module and a receiving module, where the second response module is configured to control the connection between the display screen and the color temperature meter in response to a second predetermined operation acting on the connection identifier; the receiving module is used for receiving the test color coordinate data and the test brightness data obtained by the color temperature meter test. In this embodiment, in response to the second predetermined operation acting on the connection flag, it is ensured that the connection of the display screen and the color temperature meter can be controlled relatively simply and efficiently, and it is further ensured that the test color coordinate data and the test luminance data obtained by the test of the color temperature meter are received relatively efficiently.
In the practical application process, the display screen is connected with the HDMI line, and the test picture is output to the display screen through the HDMI line, and of course, the display screen is not limited to being connected with the HDMI line.
In one embodiment of the present application, the auto-calibration interface further includes a second display area, where the second display area is configured to display standard white balance data, cold white balance data, and warm white balance data, and after determining the cold white balance data and the warm color temperature white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data, the apparatus further includes a second display unit configured to display the standard white balance data, the cold white balance data, and the warm white balance data in the second display area, so that higher interactivity is ensured, and a user may directly obtain the cold white balance data and the warm white balance data through the second display area.
In a specific embodiment of the present application, the standard white balance data is a configuration parameter of embedded software of a television, and each set of white balance data includes three values (R-gain, G-gain, B-gain).
In another embodiment of the present application, the automatic correction interface further includes a save flag, and the device further includes a response unit, configured to respond to a third predetermined operation acting on the save flag, and configured to save the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data, and the warm white balance data, and correct the display screen according to the saved data, so that it is further ensured that the display screen can be corrected efficiently and accurately.
In yet another embodiment of the present application, the auto-calibration interface further includes a third display area, where the third display area is configured to display standard calibration target data, cold calibration target data, and warm calibration target data, and the standard calibration target data, the cold calibration target data, and the warm calibration target data in the third display area are editable data. In this embodiment, only the standard correction target data, the cold correction target data, and the warm correction target data of the third display area need to be acquired, and the parameters do not need to be repeatedly set through the serial port, so that the operation is ensured to be simpler, and the standard correction target data, the cold correction target data, and the warm correction target data in the third display area are editable data, so that the data can be flexibly adjusted according to actual requirements.
In order to make the technical solution of the present application more clearly and clearly understood by those skilled in the art, the following description will be made with reference to specific embodiments:
Examples
As shown in fig. 3 and 4, the auto-calibration interface 109 includes a connection identifier 100, a first display area 101, a second display area 104, a third display area 105, a start-up calibration identifier 103, and a save identifier 102, and specifically includes the following steps:
1. The computer 106 is connected with the color temperature instrument 107 through a USB interface and outputs signals to the display screen 108 through a high-definition multimedia interface (High Definition Multimedia Interface, HDMI) line;
2. Using a person to click on the connection identifier 100 of the automatic correction interface 109, connecting the color temperature meter 107 with the display screen 108, setting gamma correction target data in the first display area 101 and standard correction target data, cold correction target data and warm correction target data in the third display area 105 of the automatic correction interface 109, and using the person to click on the start correction identifier 103;
3. The automatic correction interface 109 automatically recognizes the display screen 108 connected to the computer through the HDMI, outputs a test screen to the display screen 108, and then acquires test color coordinate data and the above-mentioned test luminance data;
4. According to the test color coordinate data, the test brightness data, the gamma correction target and the gamma correction algorithm obtained in the step 3, gamma data meeting the standard color temperature (9300 k) is calculated;
5. According to the test color coordinate data, the test brightness data, the gamma correction target and the correction gamma algorithm obtained in the step 3, gamma R and G, B data meeting the cold color temperature (12000 k) and the warm color temperature (6500 k) on the highest brightness point are calculated, namely the cold color gamma data and the warm color gamma data;
6. According to the standard gamma data, the cold gamma data, the warm gamma data and the standard white balance data calculated in the step 4 and the step 5, cold white balance data and warm white balance data are calculated and displayed in the second display area 104;
7. The user clicks the save flag 102 to save the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data, and the warm white balance data, and then corrects the color temperature of the display screen 108 according to the saved gamma data and white balance data.
The determination device of the correction data comprises a processor and a memory, wherein the acquisition unit, the first determination unit, the second determination unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor includes a kernel, and the kernel fetches the corresponding program unit from the memory. The kernel can be provided with one or more than one, and the problem of low efficiency caused by the fact that gamma data and white balance data are calculated by repeating setting parameters and correcting data through a serial port in the prior art is solved by adjusting kernel parameters.
The memory may include volatile memory, random Access Memory (RAM), and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM), among other forms in computer readable media, the memory including at least one memory chip.
An embodiment of the present invention provides a storage medium having stored thereon a program which, when executed by a processor, implements the above-described correction data determination method.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program runs to execute the method for determining correction data.
The embodiment of the invention also provides a display system, which comprises: the system comprises a display screen, one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising a means for performing any of the methods described above.
The display system comprises a display screen, the display screen can execute any correction method of the display screen, gamma data and white balance data determined by any correction data determination method can be received in the correction method of the display screen, the determination method does not need to repeat setting parameters and correction target data through serial ports, compatibility of the scheme is guaranteed to be good, and therefore the problem that efficiency is low due to the fact that gamma data and white balance data are calculated through serial port repetition setting parameters and correction data in the prior art is solved.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program stored in the memory and capable of running on the processor, wherein the processor realizes at least the following steps when executing the program:
step S101, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed;
step S102, determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, wherein the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature;
Step S103, determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data.
The device herein may be a server, PC, PAD, cell phone, etc.
The application also provides a computer program product adapted to perform, when executed on a data processing device, a program initialized with at least the following method steps:
step S101, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed;
step S102, determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, wherein the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature;
Step S103, determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data.
In the foregoing embodiments of the present invention, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units may be a logic function division, and there may be another division manner when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units described above, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the above-mentioned method of the various embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
1) In the method for determining correction data according to the present application, the correction data is used for correcting a color temperature of a display screen, and the method includes: firstly, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed; then, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold gamma data and warm gamma data, wherein the standard gamma data is gamma data meeting standard color temperature, the cold gamma data is gamma data meeting cold color temperature, and the warm gamma data is gamma data meeting warm color temperature; and finally, determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data. In the method for determining the correction data, the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data and the warm white balance data can be automatically calculated according to the acquired test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and the color temperature correction is carried out on the display screen according to the calculated gamma data and the white balance data.
2) In the correction method of the display screen, gamma correction data, cold white balance data and warm white balance data which are automatically calculated by a determination method of any correction data are received; according to the gamma correction data, the cold white balance data and the warm white balance data, the color temperature of the display screen is corrected, and the scheme does not need to repeatedly set parameters and correction data through a serial port, so that good compatibility of the scheme is ensured, and the operation is simpler.
3) In the correction data determining device of the present application, the obtaining unit is configured to obtain test color coordinate data, test luminance data, and gamma correction target data, where the test color coordinate data is color coordinate data of the display screen when the test screen is displayed, and the test luminance data is luminance data of the display screen when the test screen is displayed; the first determining unit is configured to determine standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, where the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature; the second determining unit is configured to determine cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm gamma data. In the correction data determining device, standard gamma data, cold gamma data, warm gamma data, cold white balance data and warm white balance data can be automatically calculated according to the acquired test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and color temperature correction is carried out on the display screen according to the calculated gamma data and white balance data.
4) The display system comprises a display screen, wherein the display screen can execute any correction method of the display screen, gamma data and white balance data determined by any correction data determination method can be received in the correction method of the display screen, the determination method does not need to repeat setting parameters and correction target data through serial ports, the scheme compatibility is guaranteed to be good, and the problem that efficiency is low due to the fact that gamma data and white balance data are calculated through serial port repetition setting parameters and correction data in the prior art is solved.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (12)
1. A method of determining correction data for correcting a color temperature of a display screen, the method comprising:
acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is color coordinate data of the display screen when a test picture is displayed, and the test brightness data is brightness data of the display screen when the test picture is displayed;
Determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, wherein the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature;
Determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data,
Determining cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold gamma data and the warm gamma data, including:
Using the formula Calculating the cold white balance data, wherein y Cool colour represents the cold gamma data, WB Standard of represents the standard white balance data, and y Standard of represents the standard gamma data;
Using the formula And calculating the warm white balance data, wherein gamma Warm color represents the warm gamma data.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
Before acquiring the test color coordinate data, the test brightness data and the gamma correction target data, the method further comprises: displaying an automatic correction interface, wherein the automatic correction interface comprises a starting correction mark;
Determining standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target data, including:
receiving a first predetermined operation acting on the start correction flag;
And responding to the first preset operation, and determining the standard gamma data, the cold gamma data and the warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameters.
3. The method of claim 2, wherein the auto-correction interface further comprises a first display area for displaying the gamma correction target data, and wherein the gamma correction target data in the first display area is editable data.
4. The method of claim 2, wherein the auto-calibration interface further comprises a connection identifier, and wherein obtaining test color coordinate data and test brightness data comprises:
controlling the display screen to be connected with a color temperature meter in response to a second predetermined operation acting on the connection identifier;
and receiving the test color coordinate data obtained by the color temperature meter test and the test brightness data.
5. The method of claim 2, wherein the auto-calibration interface further comprises a second display area for displaying standard white balance data, cold white balance data, and warm white balance data, the method further comprising, after determining cold white balance data and warm color temperature white balance data from the standard gamma data, standard white balance data, the cold gamma data, and the warm gamma data:
And displaying the standard white balance data, the cold white balance data and the warm white balance data in the second display area.
6. The method of claim 2, wherein the auto-calibration interface further comprises a save identifier, the method further comprising:
And responding to a third preset operation acted on the preservation mark and used for preserving the standard gamma data, the cold gamma data, the warm gamma data, the cold white balance data and the warm white balance data.
7. The method of claim 2, wherein the auto-correction interface further comprises a third display area for displaying standard correction target data, cold correction target data, and warm correction target data, and wherein the standard correction target data, the cold correction target data, and the warm correction target data in the third display area are editable data.
8. A method for calibrating a display screen, comprising:
receiving gamma correction data, cold white balance data, and warm white balance data determined by the determination method of correction data according to any one of claims 1 to 7;
and correcting the color temperature of the display screen according to the gamma correction data, the cold white balance data and the warm white balance data.
9. A determination device of correction data for correcting a color temperature of a display screen, the device comprising:
The display screen comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for acquiring test color coordinate data, test brightness data and gamma correction target data, the test color coordinate data are color coordinate data of the display screen when a test picture is displayed, and the test brightness data are brightness data of the display screen when the test picture is displayed;
The first determining unit is configured to determine standard gamma data, cold gamma data and warm gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, where the standard gamma data is gamma data meeting a standard color temperature, the cold gamma data is gamma data meeting a cold color temperature, and the warm gamma data is gamma data meeting a warm color temperature;
a second determining unit configured to determine cold white balance data and warm white balance data according to the standard gamma data, standard white balance data, the cold gamma data, and the warm gamma data,
The second determining unit is further configured to apply a formulaCalculating the cold white balance data, wherein y Cool colour represents the cold gamma data, WB Standard of represents the standard white balance data, and y Standard of represents the standard gamma data; using the formula/>And calculating the warm white balance data, wherein gamma Warm color represents the warm gamma data.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored program, wherein the program performs the method of any one of claims 1 to 7.
11. A processor for running a program, wherein the program when run performs the method of any one of claims 1 to 7.
12. A display system, comprising: a display screen, one or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing the method of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892632.3A CN115941916B (en) | 2021-08-04 | 2021-08-04 | Correction data determining method, display screen correction method and determining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892632.3A CN115941916B (en) | 2021-08-04 | 2021-08-04 | Correction data determining method, display screen correction method and determining device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115941916A CN115941916A (en) | 2023-04-07 |
| CN115941916B true CN115941916B (en) | 2024-06-18 |
Family
ID=86651163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110892632.3A Active CN115941916B (en) | 2021-08-04 | 2021-08-04 | Correction data determining method, display screen correction method and determining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115941916B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350885A (en) * | 2008-09-02 | 2009-01-21 | 熊猫电子集团有限公司 | Method for automatically adjusting grey-scale coefficient curve and white balance of flat plate television |
| CN101860765A (en) * | 2009-04-13 | 2010-10-13 | 鸿富锦精密工业（深圳）有限公司 | White balance adjustment method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510393B (en) * | 2009-03-16 | 2011-06-22 | 深圳市元亨光电股份有限公司 | Method for correcting chrominance LED whole colorful display screen based on space vector |
| CN102542962B (en) * | 2012-02-07 | 2013-11-20 | 深圳市华星光电技术有限公司 | White balance adjustment method |
| CN103714791B (en) * | 2013-12-20 | 2015-12-30 | 武汉精立电子技术有限公司 | LCD screen Gamma-Flicker comprehensive correction instrument |
| CN104992691A (en) * | 2015-06-29 | 2015-10-21 | 青岛歌尔声学科技有限公司 | White balance adjustment method of display system and display system |
| CN106713886B (en) * | 2016-12-20 | 2018-11-02 | 深圳Tcl数字技术有限公司 | White balance adjustment device and white balance adjustment method |
| CN107068055B (en) * | 2017-05-17 | 2019-02-15 | 京东方科技集团股份有限公司 | A kind of the gamma electric voltage method of adjustment and device of curved face display panel |
| CN109996054B (en) * | 2017-12-29 | 2021-04-23 | 杭州海康威视数字技术股份有限公司 | White balance adjusting method and device |
| CN109348205B (en) * | 2018-10-15 | 2019-12-24 | 南京熊猫电子股份有限公司 | White balance adjusting method and device |
| US10819885B2 (en) * | 2018-11-09 | 2020-10-27 | Chongqing Advance Display Technology Research | Gamma value tuning method and device of display panel |
-
2021
- 2021-08-04 CN CN202110892632.3A patent/CN115941916B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101350885A (en) * | 2008-09-02 | 2009-01-21 | 熊猫电子集团有限公司 | Method for automatically adjusting grey-scale coefficient curve and white balance of flat plate television |
| CN101860765A (en) * | 2009-04-13 | 2010-10-13 | 鸿富锦精密工业（深圳）有限公司 | White balance adjustment method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115941916A (en) | 2023-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109863549B (en) | Electronic device, display apparatus, and control method thereof | |
| TW201129077A (en) | Techniques for adapting a color gamut | |
| JP6472869B2 (en) | Image adjustment based on ambient light | |
| KR102369148B1 (en) | Image capture method and system | |
| CN108648719B (en) | Screen calibration method, device and system | |
| CN112669758B (en) | Display screen correction method, device, system and computer readable storage medium | |
| CN111564131B (en) | Gamma debugging method and device | |
| US11257443B2 (en) | Method for processing image, and display device | |
| CN107146572A (en) | Display screen bearing calibration and its system, computer-readable recording medium | |
| CN108074220A (en) | A kind of processing method of image, device and television set | |
| US20060187182A1 (en) | Apparatus and method for compensating regional nonuniformity of a display panel | |
| TW201439510A (en) | System and method of adjusting display screen | |
| JP2020038073A (en) | Color evaluation device, color evaluation method, and display object used in color evaluation method | |
| US10319268B2 (en) | Ambient light color compensating device | |
| CN109729333A (en) | Color space mapping method, device, computer readable storage medium and system | |
| CN113495709A (en) | Color correction method, AP chip, terminal and storage medium | |
| CN115941916B (en) | Correction data determining method, display screen correction method and determining device | |
| CN107274857B (en) | Method for adjusting output image of display and display system | |
| CN109448644A (en) | Method for correcting gray scale display curve of display device, electronic device and computer readable storage medium | |
| JP2023519275A (en) | Display effect enhancement method, device, facility | |
| CN114697523A (en) | Method and system for correcting shooting parameters of camera, display equipment and storage medium | |
| US9292912B2 (en) | Display apparatus and method for image output thereof | |
| CN115176305B (en) | Color temperature calibration method and color temperature self-calibration system | |
| CN115170681B (en) | Gamma lookup table generation method and device, electronic equipment and storage medium | |
| CN109753303B (en) | Visual angle compensation method, device and equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |