CN115941916A - Correction data determining method, display screen correcting method and determining device - Google Patents
Correction data determining method, display screen correcting method and determining device Download PDFInfo
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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 the color coordinate data of a display screen when the display screen displays a test picture, and the test brightness data is the brightness data of the display screen when the display screen displays the test picture; 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 of low efficiency caused by the fact that the gamma data and the white balance data need to be calculated through repeated parameter setting and correction data of a serial port in the prior art is solved.
Description
Technical Field
The present application relates to the field of correction data, and in particular, to 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.
Background
The picture quality engineer measures the color coordinate of the liquid crystal television through the color temperature instrument, after obtaining the correction gamma data, the white balance data of the manual debugging machine is carried out again, so that the color temperature of the liquid crystal television meets the customer requirements, and the general customers require to adjust three modes: standard mode (color temperature 9300K), warm mode (color temperature 6500K), and cool mode (12000K).
In the prior art, gamma data and white balance data are difficult to automatically calculate, and parameters and check data need to be repeatedly set through a serial port, so that the efficiency is low.
Therefore, a method capable of automatically calculating gamma data and white balance data is required.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The application mainly aims to provide a correction data determining method, a display screen correcting method, a correction data determining device, a computer readable storage medium, a processor and a display system, so as to solve the problem that in the prior art, gamma data and white balance data need to be calculated through repeated serial parameter setting and correction data, so that the efficiency is low.
According to an aspect of an embodiment of the present invention, there is provided a method for 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 the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture; according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data are the gamma data meeting the standard color temperature, the cold color gamma data are the gamma data meeting the cold color temperature, and the warm color gamma data are the gamma data meeting the warm color temperature; and determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data.
Optionally, 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 identifier; according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the steps comprise: receiving a first preset operation acting on the starting correction identifier; 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 cold white balance data and warm white balance data according to the standard gamma data, the standard white balance data, the cold white balance data, and the warm white balance data includes: using a formula
Calculating the cold white balance data, wherein Cold color Represents the cold gamma data, WB Standard of merit Represents the standard white balance data, γ Standard of merit Representing the standard gamma data; by means of a formula>
Calculating the warm white balance data, wherein γ Warm color Representing the warm gamma data.
Optionally, the automatic correction interface further includes a first display area, the first display area is used for displaying the gamma correction target data, and the gamma correction target data in the first display area is editable data.
Optionally, the automatically correcting interface further includes a connection identifier, and the obtaining of the test color coordinate data and the test brightness data includes: responding to a second preset operation acted on the connection mark, and controlling the display screen to be connected with the color temperature meter; and receiving the test color coordinate data and the test brightness data obtained by the color thermometer test.
Optionally, the automatic correction interface further includes a second display area, the second display area is configured to display standard white balance data, cold white balance data, and warm white balance data, and after determining cold white balance data and warm color temperature white balance data according to the standard white balance data, the cold white balance data, and the warm white balance data, the method further includes: 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 saving identification, and saving the standard gamma data, the cold color gamma data, the warm color gamma data, the cold color white balance data and the warm color white balance data.
Optionally, the automatic correction interface further includes a third display area, where the third display area is used to display standard correction target data, cold color correction target data, and warm color correction target data, and the standard correction target data, the cold color correction target data, and the warm color correction target data in the third display area are editable data.
According to another aspect of the embodiments 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 which are determined by any correction data determination 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 device of correction data for correcting a color temperature of a display screen, the device including: the device comprises an acquisition unit, a display unit and a correction 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 is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture; a first determining unit, configured to determine standard gamma data, cold color gamma data, and warm color 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 satisfying a standard color temperature, the cold color gamma data is gamma data satisfying a cold color temperature, and the warm color gamma data is gamma data satisfying a warm color temperature; and the second determining unit is used for determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data.
According to still another aspect of embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes any one of the methods.
According to an aspect of the embodiments of the present invention, there is further provided a processor, where the processor is configured to execute a program, where the program executes any one of the methods.
According to still another aspect of an 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 including instructions for performing any of the methods described herein.
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, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture; then, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data are the gamma data meeting the standard color temperature, the cold color gamma data are the gamma data meeting the cold color temperature, and the warm color gamma data are the gamma data meeting the warm color temperature; and finally, determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color 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 obtained test color coordinate data, the test brightness data, the gamma correction target data and the 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 incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a schematic diagram of a method of determining correction data according to an embodiment of the present application;
FIG. 2 shows a schematic diagram of a correction data determination device according to an embodiment of the present application;
FIG. 3 illustrates an architectural diagram of one implementation environment according to the present application;
FIG. 4 shows a schematic diagram of an auto-calibration interface according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
100. connecting the identification; 101. a first display area; 102. storing the identification; 103. starting a correction identifier; 104. a second display area; 105. a third display area; 106. a computer; 107. a color temperature instrument; 108. a display screen; 109. and (6) automatically correcting the interface.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Moreover, 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 of low efficiency caused by the need to repeatedly set parameters and correction data through a serial port to calculate gamma data and white balance data 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 correction data determination method according to an embodiment of the present application. As shown in fig. 1, the correction data is used for correcting the color temperature of the display screen, and the method includes the following steps:
step S101, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture;
step S102, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature;
step S103, according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data, determining the cold color white balance data and the warm color white balance.
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 includes: firstly, acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture; then, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature; and finally, determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data. According to the method for determining the correction data, 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 obtained 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, 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, where the standard gamma data is the gamma data satisfying a standard color temperature, the cold gamma data is the gamma data satisfying a cold color temperature, and the warm gamma data is the gamma data satisfying a warm color temperature, includes: correcting gamma data meeting standard color temperature (9300K), namely standard gamma data, by using a gamma correction algorithm according to the acquired test color coordinate data, the test brightness data and the gamma correction target data; according to the test color coordinate data, the test brightness data and the gamma correction target data, gamma data meeting cold color temperature (12000K) and gamma R and G, B data meeting warm color temperature (6500K) at the highest brightness point are calculated by using a correction gamma algorithm, 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 different than presented herein.
In an embodiment of the present application, before obtaining 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 identifier; 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-up correction flag; and in response to the first predetermined operation, 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 this embodiment, the displayed automatic correction interface includes a start correction flag, receives a first predetermined operation applied to the start correction flag, and corrects the target parameter according to the test color coordinate data, the test brightness data, and the gamma correction after receiving the first predetermined operation, so that the method is more flexible, and can automatically acquire standard gamma data, the cold gamma data, and the warm gamma data according to actual needs.
In a specific embodiment of the present application, normalization processing is performed according to the standard gamma data, the standard white balance data, the cold color gamma data, and the warm color gamma data to obtain the cold white balance data and the 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 white balance data, and the warm white balance data includes:using a formula
Calculating the cold white balance data, wherein gamma Cold color Represents the above-mentioned cold gamma data, WB Standard of merit Represents the above standard white balance data, γ Standard of merit Representing the standard gamma data; in a formula>
Calculating the warm white balance data, wherein gamma Warm color Represents the warm gamma data.
In yet another embodiment of the present application, the automatic calibration interface further includes a first display area, 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 the embodiment, only gamma correction target data of the first display area needs to be acquired, and parameters do not need to be set repeatedly through a serial port, so that the operation is simple, standard gamma data, cold gamma data and warm gamma data can be determined efficiently according to the acquired gamma correction target data, test color coordinate data and test brightness data, and the gamma correction target data can be set flexibly through actual requirements.
In another embodiment of the present application, the automatic calibration interface further includes a connection identifier, and the method for obtaining the test color coordinate data and the test brightness data includes: responding to a second preset operation acted on the connection mark, and controlling the connection between the display screen and the color temperature instrument; and receiving the test color coordinate data and the test brightness data obtained by the color temperature instrument test. In the embodiment, in response to the second predetermined operation acting on the connection identifier, it is ensured that the connection between the display screen and the color temperature meter can be controlled more simply and efficiently, and further that the test color coordinate data and the test brightness data obtained by the color temperature meter test are received more efficiently.
In the practical application process, the test picture is output to the display screen through the HDMI cable by connecting the display screen with the HDMI cable, which is not limited to the display screen through the HDMI cable.
In an embodiment of the application, the automatic correction interface further includes a second display area, and the second display area is configured to display standard white balance data, cold white balance data, and warm white balance data, and after determining cold white balance data and warm color temperature white balance data according to the standard white balance data, the cold white balance data, and the warm white balance 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 calibration interface further includes a storage identifier, and the method further includes: responding to a third preset operation acted on the storage mark, 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 subsequently 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 automatic correction interface further includes a third display area, the third display area is used for displaying standard correction target data, cold color correction target data, and warm color correction target data, and the standard correction target data, the cold color correction target data, and the warm color correction target data in the third display area are editable data. In this embodiment, only the standard correction target data, the cold color correction target data, and the warm color correction target data of the third display area need to be acquired, and parameters do not need to be set repeatedly through a serial port, so that it is ensured that the operation is simple, and the standard correction target data, the cold color correction target data, and the warm color correction target data in the third display area are editable data, so that the data can be adjusted flexibly according to actual needs.
In another exemplary embodiment of the present application, there is 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 determination 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 for receiving 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, parameters and correction data do not need to be repeatedly set through serial ports, the scheme is guaranteed to be good in compatibility, and operation is simple.
The embodiment of the present application further provides a device for determining correction data, and it should be noted that the device for determining correction data of the embodiment of the present application may be used to execute the method for determining correction data provided in the embodiment of the present application. The following describes a correction data determination device provided in an embodiment of the present application.
Fig. 2 is a schematic diagram of a correction data determination apparatus according to an embodiment of the present application. As shown in fig. 2, the correction data is used for correcting the color temperature of the display screen, and the device comprises:
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 displaying a test screen, and the test luminance data is luminance data of the display screen when displaying the test screen;
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 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;
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 white gamma data, and the warm white gamma data.
In the calibration data determining apparatus, an acquiring unit is configured to acquire test color coordinate data, test luminance data, and gamma calibration target data, where the test color coordinate data is color coordinate data of the display screen when displaying a test screen, and the test luminance data is luminance data of the display screen when displaying the test screen; the first determining unit is used for determining standard gamma data, cold color gamma data and warm color gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature; the second determining unit is used for determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color 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 obtained test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and color temperature correction is performed on the display screen according to the calculated gamma data and white balance data.
In a specific embodiment of the present application, 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, where the standard gamma data is the gamma data satisfying a standard color temperature, the cold gamma data is the gamma data satisfying a cold color temperature, and the warm gamma data is the gamma data satisfying a warm color temperature, includes: correcting gamma data meeting standard color temperature (9300K), namely standard gamma data, by using 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) at the highest brightness point by using a correction gamma algorithm according to the test color coordinate data, the test brightness data and the gamma correction target data, namely cold color gamma data and warm color gamma data.
In an embodiment of the present application, before obtaining 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 parameter. In this embodiment, the displayed automatic correction interface includes a start correction flag, receives a first predetermined operation applied to the start correction flag, and corrects the target parameter according to the test color coordinate data, the test brightness data, and the gamma correction after receiving the first predetermined operation, so that the method is more flexible, and can automatically acquire standard gamma data, the cold gamma data, and the warm gamma data according to actual needs.
In a specific embodiment of the present application, normalization processing is performed according to the standard gamma data, the standard white balance data, the cold color gamma data, and the warm color gamma data to obtain the cold color white balance data and the warm color 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 formula
Calculating the cold white balance data, wherein gamma Cold color Represents the above-mentioned cold gamma data, WB Standard of merit Represents the above standard white balance data, γ Standard of merit Representing the standard gamma data; a second calculation module for employing the formula
Calculating the warm white balance data, wherein gamma Warm color Represents the above warm color gamma data.
In yet another embodiment of the present application, the automatic calibration interface further includes a first display area, 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 the embodiment, only gamma correction target data of the first display area needs to be acquired, and parameters do not need to be set repeatedly through a serial port, so that the operation is simple, standard gamma data, cold color gamma data and warm color gamma data can be determined efficiently according to the acquired gamma correction target data, test color coordinate data and test brightness data, and the gamma correction target data can be set flexibly through actual requirements.
In another embodiment of the present application, the automatic calibration 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 applied to the connection identifier; the receiving module is used for receiving the test color coordinate data and the test brightness data obtained by the color thermometer test. In the embodiment, in response to the second predetermined operation acting on the connection identifier, it is ensured that the connection between the display screen and the color temperature meter can be controlled more simply and efficiently, and further that the test color coordinate data and the test brightness data obtained by the color temperature meter test are received more efficiently.
In the practical application process, the test picture is output to the display screen through the HDMI cable by connecting the display screen with the HDMI cable, which is not limited to the display screen through the HDMI cable.
In an embodiment of the application, the automatic correction interface further includes a second display area, the second display area is configured to display standard white balance data, cold white balance data, and warm white balance data, and after determining cold white balance data and warm color temperature white balance data according to the standard gamma data, the standard white balance data, the cold gamma data, and the warm white balance 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 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 calibration interface further includes a storage identifier, and the apparatus further includes a response unit, configured to respond to a third predetermined operation applied to the storage identifier, and store 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 calibrate the display screen according to the stored data, thereby further ensuring that the display screen can be efficiently and accurately calibrated.
In another embodiment of the present application, the automatic correction interface further includes a third display area, the third display area is used for displaying standard correction target data, cold color correction target data, and warm color correction target data, and the standard correction target data, the cold color correction target data, and the warm color correction target data in the third display area are editable data. In this embodiment, only the standard correction target data, the cold color correction target data, and the warm color correction target data of the third display area need to be acquired, and parameters do not need to be set repeatedly through a serial port, so that it is ensured that the operation is simple, and the standard correction target data, the cold color correction target data, and the warm color correction target data in the third display area are editable data, so that the data can be adjusted flexibly according to actual needs.
In order to make the technical solutions of the present application more clearly understood and more obvious to those skilled in the art, the following description is given with reference to specific embodiments:
examples
As shown in fig. 3 and 4, the automatic correction interface 109 includes a connection identifier 100, a first display area 101, a second display area 104, a third display area 105, a start correction identifier 103, and a save identifier 102, and specifically includes the following steps:
1. the computer 106 is connected to the color temperature meter 107 through a USB Interface, and outputs a signal to the display screen 108 through a High Definition Multimedia Interface (HDMI) line;
2. a user clicks the connection identifier 100 of the automatic correction interface 109 to connect the color temperature instrument 107 with the display screen 108, gamma correction target data are set in the first display area 101 of the automatic correction interface 109, standard correction target data, cold color correction target data and warm color correction target data are set in the third display area 105, and the user clicks the start-up 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 picture to the display screen 108, and then acquires test color coordinate data and the test brightness data;
4. calculating gamma data meeting the standard color temperature (9300 k) according to the test color coordinate data, the test brightness data, the gamma correction target and the gamma correction algorithm which are obtained in the step 3;
5. calculating gamma R and G, B data meeting cold color temperature (12000 k) and warm color temperature (6500 k), namely cold color gamma data and warm color gamma data, on the highest brightness point according to the test color coordinate data, the test brightness data, the gamma correction target and the gamma correction algorithm which are obtained in the step 3;
6. calculating cold white balance data and warm white balance data according to the standard gamma data, the cold gamma data, the warm gamma data and the standard white balance data calculated in the steps 4 and 5, and displaying the cold white balance data and the warm white balance data in the second display area 104;
7. the user clicks the storage identifier 102 to store 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 stored gamma data and white balance data.
The device for determining the correction data comprises a processor and a memory, wherein the acquiring unit, the first determining unit, the second determining 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 comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the problem of low efficiency caused by the fact that parameters and correction data need to be repeatedly set through a serial port to calculate gamma data and white balance data in the prior art is solved by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium on which a program is stored, the program implementing the above-described determination method of correction data when executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the method for determining the correction data is executed when the program runs.
An embodiment of the present invention further provides 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 including instructions for performing any of the above-described methods.
The display system comprises a display screen, the display screen can execute any display screen correction method, gamma data and white balance data determined by any correction data determination method can be received in the display screen correction method, parameters and correction target data do not need to be repeatedly set through a serial port in the determination method, compatibility of the scheme is guaranteed to be good, and the problem that in the prior art, efficiency is low due to the fact that the parameters and the correction data need to be repeatedly set through the serial port to calculate the gamma data and the white balance data is solved.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture;
step S102, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature;
step S103, 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.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, obtaining test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture;
step S102, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature;
step S103, according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data, determining cold color white balance data and warm color white balance data.
In the above embodiments of the present invention, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described in detail in a certain embodiment.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be 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, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one position, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) In the method for determining correction data of the present application, the correction data is used for correcting a color temperature of a display screen, and the method includes: firstly, acquiring test color coordinate data, test brightness data and gamma correction target data, wherein the test color coordinate data is the color coordinate data of the display screen when the display screen displays a test picture, and the test brightness data is the brightness data of the display screen when the display screen displays the test picture; then, according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature; and finally, determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data. According to the method for determining the correction data, 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 obtained 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.
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 any one correction data determination method 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, parameters and correction data do not need to be repeatedly set through serial ports, the scheme is guaranteed to be good in compatibility, and operation is simple.
3) In the calibration data determining apparatus of the present application, the obtaining unit is configured to obtain test color coordinate data, test luminance data, and gamma calibration target data, where the test color coordinate data is color coordinate data of the display screen when displaying a test screen, and the test luminance data is luminance data of the display screen when displaying the test screen; the first determining unit is used for determining standard gamma data, cold color gamma data and warm color gamma data according to the test color coordinate data, the test brightness data and the gamma correction target parameter, wherein the standard gamma data is the gamma data meeting the standard color temperature, the cold color gamma data is the gamma data meeting the cold color temperature, and the warm color gamma data is the gamma data meeting the warm color temperature; the second determining unit is used for determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color 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 obtained test color coordinate data, test brightness data, gamma correction target data and standard white balance data, and color temperature correction is performed on the display screen according to the calculated gamma data and white balance data.
4) The display system comprises the display screen, the display screen can execute any display screen correction method, gamma data and white balance data determined by any correction data determination method can be received in the display screen correction method, parameters and correction target data do not need to be repeatedly set through serial ports in the determination method, and the scheme is guaranteed to be good in compatibility, so that the problem that in the prior art, the efficiency is low due to the fact that the parameters and the correction data need to be repeatedly set through the serial ports to calculate the gamma data and the white balance data is solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (13)
1. A method for 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 the color coordinate data of the display screen when the display screen displays a test picture, and the test brightness data is the brightness data of the display screen when the display screen displays the test picture;
according to the test color coordinate data, the test brightness data and the gamma correction target data, determining standard gamma data, cold color gamma data and warm color gamma data, wherein the standard gamma data are the gamma data meeting the standard color temperature, the cold color gamma data are the gamma data meeting the cold color temperature, and the warm color gamma data are the gamma data meeting the warm color temperature;
and determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data.
2. The method of claim 1,
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 identifier;
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 steps of:
receiving a first preset operation acting on the starting correction identifier;
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 1, wherein determining cold white balance data and warm white balance data from the normal gamma data, normal white balance data, the cold color gamma data, and the warm color gamma data comprises:
using a formula
Calculating the cold white balance data, wherein Cold color Represents the cold gamma data, WB Standard of reference Represents the standard white balance data, γ Standard of reference Representing the standard gamma data;
using a formula
Calculating the warm white balance data, wherein Warm color Representing the warm color gamma data.
4. The method of claim 2, wherein the auto-correction interface further comprises a first display area, the first display area is used for displaying the gamma correction target data, and the gamma correction target data in the first display area is editable data.
5. The method of claim 2, wherein the automatic calibration interface further comprises a connection identifier, and the obtaining of the test color coordinate data and the test brightness data comprises:
responding to a second preset operation acted on the connection identifier, and controlling the display screen and the color temperature meter to be connected;
and receiving the test color coordinate data and the test brightness data obtained by the color thermometer test.
6. 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, and wherein after determining cold white balance data and warm color temperature white balance data based on the standard gamma data, standard white balance data, the cold white balance data, and the warm white balance data, the method further comprises:
displaying the standard white balance data, the cold white balance data, and the warm white balance data in the second display area.
7. The method of claim 2, wherein the auto-calibration interface further comprises a save identification, the method further comprising:
and responding to a third preset operation acted on the storage identifier and used for storing the standard gamma data, the cold color gamma data, the warm color gamma data, the cold color white balance data and the warm color white balance data.
8. The method according to claim 2, wherein the automatic correction interface further includes a third display area for displaying standard correction target data, cold color correction target data, and warm color correction target data, and the standard correction target data, the cold color correction target data, and the warm color correction target data in the third display area are editable data.
9. A method for correcting 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 8;
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.
10. A device for determining correction data for correcting a color temperature of a display screen, the device comprising:
the device comprises an acquisition unit, a display unit and a correction 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 is the color coordinate data of the display screen when displaying a test picture, and the test brightness data is the brightness data of the display screen when displaying the test picture;
a first determining unit, configured to determine standard gamma data, cold color gamma data, and warm color 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 satisfying a standard color temperature, the cold color gamma data is gamma data satisfying a cold color temperature, and the warm color gamma data is gamma data satisfying a warm color temperature;
and the second determining unit is used for determining cold color white balance data and warm color white balance data according to the standard gamma data, the standard white balance data, the cold color gamma data and the warm color gamma data.
11. 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 8.
12. A processor, characterized in that the processor is configured to run a program, wherein the program when running performs the method of any of claims 1 to 8.
13. A display system, comprising: 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 the method of any of claims 1-8.
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