Color management method and device of LED display screen, equipment and storage medium

Abstract

The invention discloses a color management method and device for an LED display screen, equipment and a storage medium, and the method comprises the steps: determining display effect parameters of various colors in different scene parameters, and constructing a color database according to the display effect parameters; obtaining a current illumination parameter in a scene environment where the LED display screen is located, and determining a target display effect parameter based on the current illumination parameter according to the color database; obtaining the current index value of each color index under the target display effect parameter, and determining the eyestrain degree according to the current index value of each color index; and determining a to-be-adjusted color index based on the eye fatigue degree and the influence weight of each color index on eye watching, obtaining a target index value under the ideal display effect, and adjusting the to-be-adjusted color index according to the target index value. The watching visual fatigue of the user can be reduced to the maximum extent, the problem that the color cannot be intelligently adjusted in the prior art is solved, and the practicability and the stability are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of display image processing, and in particular to a color management method, device, equipment and storage medium for an LED display screen. Background Art

[0002] At present, with the popularity of LED display screens, they are applied to more and more electronic devices. The display effect of LED display screens will change with different scene environment parameters. Therefore, major manufacturers have developed chips for intelligent color adjustment of LED display screens to adjust the display color of the display screen in different scenes to ensure that it meets the scene requirements. However, the settings of the above various colors are predetermined, that is, the forced change factor refers to the scene factors, ignoring the impact on the visual fatigue of the viewers. On the basis of ensuring the display effect, it cannot overcome the visual fatigue brought to the viewers, and cannot achieve intelligent adjustment, which reduces the user's viewing experience and practicality. Summary of the invention

[0003] In response to the above-mentioned problems, the present invention provides a color management method, device, equipment and storage medium for an LED display screen to solve the problem that the predetermined color adjustment method mentioned in the background technology cannot overcome the visual fatigue caused to viewers while ensuring the display effect, cannot achieve intelligent adjustment, and reduces the user's viewing experience and practicality.

[0004] A color management method for an LED display screen comprises the following steps:

[0005] Determine display effect parameters of multiple colors within different scene parameters, and build a color database based on the display effect parameters;

[0006] Obtain the current lighting parameters in the scene environment where the LED display is located, and determine the target display effect parameters based on the current lighting parameters according to the color database;

[0007] Obtaining current index values ​​of various color indexes under target display effect parameters, and determining the degree of eye fatigue according to the current index values ​​of various color indexes;

[0008] The color index to be adjusted is determined based on the eye fatigue and the weights of the influence of various color indexes on eye viewing, the target index value under the ideal display effect is obtained, and the color index to be adjusted is adjusted according to the target index value.

[0009] Preferably, the step of determining display effect parameters of a plurality of colors within different scene parameters and constructing a color database according to the display effect parameters includes:

[0010] Determine the light conditions under different scene parameters, and determine the display characteristics of each color under the light conditions corresponding to each scene parameter;

[0011] Obtaining effect description factors corresponding to the display characteristics, and determining display effect parameters of each color within different scene parameters according to the effect description factors;

[0012] Determine the image display characteristics of each color within different scene parameters according to the display effect parameters, wherein the image display characteristics include: color coordinates, brightness and contrast;

[0013] A color display database is constructed based on the image display characteristics of each color within different scene parameters.

[0014] Preferably, the obtaining of current illumination parameters in the scene environment where the LED display screen is located, and determining target display effect parameters based on the current illumination parameters according to a color database, includes:

[0015] The light sensor detects the current light parameters in the scene environment where the LED display is located, and determines the light intensity in the scene environment where the LED display is located according to the current light parameters;

[0016] Generate a scene matching factor according to the light intensity, and determine the target scene parameter according to the scene matching factor;

[0017] The target display effect parameters of each color under the target scene parameters are extracted from the color database.

[0018] Preferably, the obtaining of current index values ​​of various color indexes under target display effect parameters and determining the degree of eye fatigue according to the current index values ​​of various color indexes includes:

[0019] Obtaining display color indicators of each color under target display effect parameters, wherein the display color indicators include: color temperature, brightness, and color distortion;

[0020] Input the target display effect parameters into the preset model to obtain the current index value of each display color index of each color;

[0021] Determine a threshold range of a current indicator value of each display color indicator, and determine the current eye comfort of each display color indicator according to the threshold range and a preset threshold interval of each display color indicator corresponding to different eye comforts;

[0022] Determine the degree of eye fatigue based on the current eye comfort of each displayed color index.

[0023] Preferably, determining the color index to be adjusted based on the eye fatigue degree and the weights of the influence of various color indexes on eye viewing, obtaining the target index value under the ideal display effect, and adjusting the color index to be adjusted according to the target index value includes:

[0024] Determine whether color adjustment is needed based on the degree of eye fatigue. If so, retrieve eye experience data and related research content for each color from the experience database;

[0025] The weight of each color index's impact on eye viewing is set based on eye experience data and related research content;

[0026] According to the weight of each color index's influence on eye viewing, a target color index with a weight value less than or equal to a preset threshold is selected as the color index to be adjusted;

[0027] A target index value of the color index to be adjusted under an ideal display effect is obtained, and the target index value is used to replace the current index value to adjust the color index to be adjusted.

[0028] Preferably, determining the degree of eye fatigue according to the current eye comfort of each display color index includes:

[0029] Determine potential eye response indicators based on current eye comfort of each displayed color indicator;

[0030] Determine a potential eye fatigue score of each display color index according to the potential eye reaction index of the display color index;

[0031] The potential eye fatigue score of each display color index is weighted and summed to obtain a total eye fatigue score;

[0032] The degree of eyestrain is determined based on the total eyestrain score.

[0033] A color management device for an LED display screen, the device comprising:

[0034] A construction module, used to determine display effect parameters of multiple colors within different scene parameters, and to construct a color database according to the display effect parameters;

[0035] The first determination module is used to obtain the current illumination parameters in the scene environment where the LED display screen is located, and determine the target display effect parameters based on the current illumination parameters according to the color database;

[0036] The second determination module is used to obtain the current index value of each color index under the target display effect parameter, and determine the eye fatigue degree according to the current index value of each color index;

[0037] The adjustment module is used to determine the color index to be adjusted based on the eye fatigue and the weight of the influence of various color indicators on eye viewing, obtain the target indicator value under the ideal display effect, and adjust the color index to be adjusted according to the target indicator value.

[0038] A color management device for an LED display screen includes a memory, a processor and a controller, wherein the memory stores a color adjustment program, and when the color adjustment program is executed by the processor and the controller, the color management method for the LED display screen is executed.

[0039] A color management storage medium for an LED display screen is applicable to the color management method for the LED display screen.

[0040] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be realized and obtained by the structures particularly pointed out in the written description and the accompanying drawings.

[0041] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0043] Figure 1 A flowchart of a color management method for an LED display screen provided by the present invention;

[0044] Figure 2 Another workflow diagram of the color management method of an LED display screen provided by the present invention;

[0045] Figure 3 This is a schematic structural diagram of a color management device for an LED display screen provided by the present invention. DETAILED DESCRIPTION

[0046] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0047] At present, with the popularity of LED display screens, they have been applied to more and more electronic devices. The display effect of LED display screens will change with different scene environment parameters. Therefore, major manufacturers have developed chips for intelligent color adjustment of LED display screens to adjust the display color of the display screen in different scenes to ensure that it meets the scene requirements. However, the settings of the above-mentioned various colors are predetermined, that is, the forced change factor refers to the scene factor, ignoring the impact on the visual fatigue of the viewers. It cannot overcome the visual fatigue brought to the viewers on the basis of ensuring the display effect, and cannot achieve intelligent adjustment, which reduces the user's viewing experience and practicality. In order to solve the above problems, this embodiment discloses a color management method for LED display screens.

[0048] A color management method for an LED display screen, such as Figure 1 As shown, the following steps are included:

[0049] Step S101, determining display effect parameters of multiple colors within different scene parameters, and constructing a color database according to the display effect parameters;

[0050] Step S102, obtaining current illumination parameters in the scene environment where the LED display screen is located, and determining target display effect parameters based on the current illumination parameters according to the color database;

[0051] Step S103, obtaining current index values ​​of various color indexes under target display effect parameters, and determining the degree of eye fatigue according to the current index values ​​of various color indexes;

[0052] Step S104: determine the color index to be adjusted based on the eye fatigue degree and the weight of the influence of each color index on eye viewing, obtain the target index value under the ideal display effect, and adjust the color index to be adjusted according to the target index value.

[0053] The working principle of the above technical solution is: determine the display effect parameters of multiple colors within different scene parameters, and build a color database based on the display effect parameters; obtain the current lighting parameters in the scene environment where the LED display is located, and determine the target display effect parameters based on the current lighting parameters according to the color database; obtain the current index values ​​of various color indicators under the target display effect parameters, and determine the eye fatigue degree according to the current index values ​​of various color indicators; determine the color index to be adjusted based on the eye fatigue degree and the weight of the influence of various color indicators on eye viewing, obtain the target index value under the ideal display effect, and adjust the color index to be adjusted according to the target index value.

[0054] The beneficial effects of the above technical solution are: by automatically determining the impact of the color index under each scene parameter on visual fatigue and then intelligently adjusting the color index with a larger impact weight to ensure the user's viewing experience, the user's viewing visual fatigue can be minimized, the problem that traditional technology cannot intelligently adjust the color is overcome, practicality and stability are improved, and the problem that the predetermined color adjustment method mentioned in the prior art cannot overcome the visual fatigue brought to the viewers while ensuring the display effect, and cannot achieve intelligent adjustment, which reduces the user's viewing experience and practicality.

[0055] In this embodiment, after determining the display effect parameters of multiple colors within different scene parameters and constructing a color database according to the display effect parameters, the method further includes:

[0056] Determine the effect description file of each color in different scene parameters according to the display effect parameters, and determine the color management target of each color in each scene parameter according to the effect description file;

[0057] Integrate the same target scene parameters of each color according to the color management target, and determine multiple original color attributes of each color and its corresponding target color attributes according to the integration result;

[0058] Determine a reference primary color amount and an adjusted primary color amount of each color within each scene parameter based on the original color attribute and the destination color attribute;

[0059] Retrieving a color gamut mapping index according to the reference primary color quantity and the adjusted primary color quantity, and determining a spatial mapping variable for each color based on the color gamut mapping index;

[0060] Determine the color conspicuity enhancement of each color within each scene parameter according to the spatial mapping variable of each color;

[0061] The spatial mapping variable of each color determines the color conspicuity enhancement of each color within each scene parameter, is associated with the color, and is stored in the color database.

[0062] The beneficial effect of the above technical solution is that it allows users to intuitively understand the color visual enhancement effect of various colors within each scene parameter and then select appropriate color values ​​according to their needs, thereby improving the user experience and practicality.

[0063] In one embodiment, Figure 2 As shown, the determination of display effect parameters of multiple colors within different scene parameters and the construction of a color database according to the display effect parameters include:

[0064] Step S201, determining the light conditions under different scene parameters, and determining the display characteristics of each color under the light conditions corresponding to each scene parameter;

[0065] Step S202, obtaining effect description factors corresponding to the display characteristics, and determining display effect parameters of each color within different scene parameters according to the effect description factors;

[0066] Step S203, determining the image display characteristics of each color within different scene parameters according to the display effect parameters, wherein the image display characteristics include: color coordinates, brightness and contrast;

[0067] Step S204: construct a color display database according to the image display characteristics of each color within different scene parameters.

[0068] The beneficial effects of the above technical solution are: obtaining corresponding effect description factors according to the display characteristics of each color under the corresponding lighting conditions of each scene parameter, determining the display effect parameters of each color within different scene parameters, thereby obtaining the image display characteristics within different scene parameters, and building a color display database. By determining the display effect parameters of various colors in specific scenes, the performance parameters of various colors in different scenes can be more accurately determined and then recorded, laying the foundation for subsequent color management.

[0069] In one embodiment, the step of obtaining current illumination parameters in the scene environment where the LED display screen is located, and determining target display effect parameters based on the current illumination parameters according to a color database includes:

[0070] The light sensor detects the current light parameters in the scene environment where the LED display is located, and determines the light intensity in the scene environment where the LED display is located according to the current light parameters;

[0071] Generate a scene matching factor according to the light intensity, and determine the target scene parameter according to the scene matching factor;

[0072] The target display effect parameters of each color under the target scene parameters are extracted from the color database.

[0073] The beneficial effects of the above technical solution are: determining the light intensity through the current lighting parameters in the scene environment where the LED display is located, generating a scene matching factor, determining the target scene parameters, extracting the target display effect parameters of each color under the target scene parameters from the color database, and automatically matching the optimal display effect parameters according to the current lighting parameters, thereby improving matching efficiency and accuracy.

[0074] In one embodiment, the step of obtaining current index values ​​of various color indexes under target display effect parameters and determining the degree of eye fatigue according to the current index values ​​of various color indexes includes:

[0075] Obtaining display color indicators of each color under target display effect parameters, wherein the display color indicators include: color temperature, brightness, and color distortion;

[0076] Input the target display effect parameters into the preset model to obtain the current index value of each display color index of each color;

[0077] Determine a threshold range of a current indicator value of each display color indicator, and determine the current eye comfort of each display color indicator according to the threshold range and a preset threshold interval of each display color indicator corresponding to different eye comforts;

[0078] Determine the degree of eye fatigue based on the current eye comfort of each displayed color index.

[0079] The beneficial effects of the above technical solution are: obtaining the display color index of each color under the target display effect parameters, and inputting it into the preset model to obtain the current index value of each display color index, determining the threshold range and the preset different eye comforts, determining the current eye comfort of each display color index, and thus determining the eye fatigue degree. The eye fatigue degree can be accurately evaluated according to the color index range of the user's viewing comfort, thereby improving the objectivity and reliability of the evaluation results.

[0080] In one embodiment, determining the color index to be adjusted based on the eye fatigue degree and the weight of the influence of each color index on eye viewing, obtaining the target index value under the ideal display effect, and adjusting the color index to be adjusted according to the target index value includes:

[0081] Determine whether color adjustment is needed based on the degree of eye fatigue. If so, retrieve eye experience data and related research content for each color from the experience database;

[0082] The weight of each color index's impact on eye viewing is set based on eye experience data and related research content;

[0083] According to the weight of each color index's influence on eye viewing, a target color index with a weight value less than or equal to a preset threshold is selected as the color index to be adjusted;

[0084] A target index value of the color index to be adjusted under an ideal display effect is obtained, and the target index value is used to replace the current index value to adjust the color index to be adjusted.

[0085] The beneficial effects of the above technical solution are: determining whether color adjustment is needed according to the degree of eye fatigue, setting the weight of each color index's influence on eye viewing, obtaining the color index to be adjusted, obtaining the target index value of the color index to be adjusted under the ideal display effect, and replacing the current index value, which can ensure that the displayed content always remains in a stable visual state while also ensuring the display effect. Avoiding situations where the display is too glaring or too dim, and at the same time, through appropriate color index adjustment, blue light pollution can be reduced to protect the retina from excessive stimulation.

[0086] In one embodiment, determining the degree of eye fatigue according to the current eye comfort of each display color index includes:

[0087] Determine potential eye response indicators based on current eye comfort of each displayed color indicator;

[0088] Determine a potential eye fatigue score of each display color index according to the potential eye reaction index of the display color index;

[0089] The potential eye fatigue score of each display color index is weighted and summed to obtain a total eye fatigue score;

[0090] The degree of eyestrain is determined based on the total eyestrain score.

[0091] The beneficial effects of the above technical solution are: determining the potential eye fatigue score of each display color indicator according to the current eye comfort of the display color indicator, performing weighted sum calculation on the potential eye fatigue score of each display color indicator to obtain the total eye fatigue score, thereby determining the eye fatigue degree, which can reduce the risk of visual fatigue, and enable users to choose appropriate displays and environmental settings according to their needs, which helps to improve the user's visual comfort.

[0092] In one embodiment, this embodiment also discloses a color management device for an LED display screen, such as Figure 3 As shown, the device comprises:

[0093] A construction module 301 is used to determine display effect parameters of multiple colors within different scene parameters, and to construct a color database according to the display effect parameters;

[0094] The first determination module 302 is used to obtain the current illumination parameters in the scene environment where the LED display screen is located, and determine the target display effect parameters based on the current illumination parameters according to the color database;

[0095] The second determination module 303 is used to obtain the current index value of each color index under the target display effect parameter, and determine the eye fatigue degree according to the current index value of each color index;

[0096] The adjustment module 304 is used to determine the color index to be adjusted based on the eye fatigue degree and the weight of the influence of various color indexes on eye viewing, obtain the target index value under the ideal display effect, and adjust the color index to be adjusted according to the target index value.

[0097] The working principle and beneficial effects of the above technical solution have been explained in the method embodiment and will not be repeated here.

[0098] In one embodiment, this embodiment also discloses a color management device for an LED display screen, including a memory, a processor, and a controller. The memory stores a color adjustment program. When the color adjustment program is executed by the processor and the controller, the color management method for the LED display screen described in the above embodiment is executed.

[0099] In one embodiment, this embodiment further discloses a color management storage medium for an LED display screen, which is applicable to the color management method for an LED display screen described in the above embodiment.

[0100] Those skilled in the art should understand that the first and second in the present invention merely refer to different application stages.

[0101] Other embodiments of the present disclosure will be readily apparent to those skilled in the art after considering the specification and practicing the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present disclosure are indicated by the following claims.

[0102] It should be understood that the present disclosure is not limited to the exact structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A color management method for an LED display screen, characterized in that: The following steps are involved: Determine display effect parameters of multiple colors within different scene parameters, and build a color database based on the display effect parameters; Obtain the current lighting parameters in the scene environment where the LED display is located, and determine the target display effect parameters based on the current lighting parameters according to the color database; Obtaining current index values ​​of various color indexes under target display effect parameters, and determining the degree of eye fatigue according to the current index values ​​of various color indexes; The color index to be adjusted is determined based on the eye fatigue and the weights of the influence of various color indexes on eye viewing, the target index value under the ideal display effect is obtained, and the color index to be adjusted is adjusted according to the target index value.

2. The color management method of the LED display screen according to claim 1, characterized in that: The step of determining display effect parameters of multiple colors within different scene parameters and constructing a color database according to the display effect parameters includes: Determine the light conditions under different scene parameters, and determine the display characteristics of each color under the light conditions corresponding to each scene parameter; Obtaining effect description factors corresponding to the display characteristics, and determining display effect parameters of each color within different scene parameters according to the effect description factors; Determine the image display characteristics of each color within different scene parameters according to the display effect parameters, wherein the image display characteristics include: color coordinates, brightness and contrast; A color display database is constructed based on the image display characteristics of each color within different scene parameters.

3. The color management method of the LED display screen according to claim 1, characterized in that: The step of obtaining current illumination parameters in the scene environment where the LED display screen is located, and determining target display effect parameters based on the current illumination parameters according to the color database includes: The light sensor detects the current light parameters in the scene environment where the LED display is located, and determines the light intensity in the scene environment where the LED display is located according to the current light parameters; Generate a scene matching factor according to the light intensity, and determine the target scene parameter according to the scene matching factor; The target display effect parameters of each color under the target scene parameters are extracted from the color database.

4. The color management method of the LED display screen according to claim 1, characterized in that: The step of obtaining current index values ​​of various color indexes under target display effect parameters and determining the degree of eye fatigue according to the current index values ​​of various color indexes includes: Obtaining display color indicators of each color under target display effect parameters, wherein the display color indicators include: color temperature, brightness, and color distortion; Input the target display effect parameters into the preset model to obtain the current index value of each display color index of each color; Determine a threshold range of a current indicator value of each display color indicator, and determine the current eye comfort of each display color indicator according to the threshold range and a preset threshold interval of each display color indicator corresponding to different eye comforts; Determine the degree of eye fatigue based on the current eye comfort of each displayed color index.

5. The color management method of the LED display screen according to claim 1, characterized in that: The method of determining the color index to be adjusted based on the eye fatigue degree and the weight of the influence of each color index on the eye viewing, obtaining the target index value under the ideal display effect, and adjusting the color index to be adjusted according to the target index value includes: Determine whether color adjustment is needed based on the degree of eye fatigue. If so, retrieve eye experience data and related research content for each color from the experience database; The weight of each color index's impact on eye viewing is set based on eye experience data and related research content; According to the weight of each color index's influence on eye viewing, a target color index with a weight value less than or equal to a preset threshold is selected as the color index to be adjusted; A target index value of the color index to be adjusted under an ideal display effect is obtained, and the target index value is used to replace the current index value to adjust the color index to be adjusted.

6. The color management method of the LED display screen according to claim 4, characterized in that: The step of determining the degree of eye fatigue according to the current eye comfort of each display color index includes: Determine potential eye response indicators based on current eye comfort of each displayed color indicator; Determine a potential eye fatigue score of each display color index according to the potential eye reaction index of the display color index; The potential eye fatigue score of each display color index is weighted and summed to obtain a total eye fatigue score; The degree of eyestrain is determined based on the total eyestrain score.

7. A color management device for an LED display screen, characterized in that: The device includes: A construction module, used to determine display effect parameters of multiple colors within different scene parameters, and to construct a color database according to the display effect parameters; The first determination module is used to obtain the current illumination parameters in the scene environment where the LED display screen is located, and determine the target display effect parameters based on the current illumination parameters according to the color database; The second determination module is used to obtain the current index value of each color index under the target display effect parameter, and determine the eye fatigue degree according to the current index value of each color index; The adjustment module is used to determine the color index to be adjusted based on the eye fatigue and the weight of the influence of various color indicators on eye viewing, obtain the target indicator value under the ideal display effect, and adjust the color index to be adjusted according to the target indicator value.

8. A color management device for an LED display screen, comprising a memory, a processor and a controller, characterized in that: The memory stores a color adjustment program, and when the color adjustment program is executed by the processor and the controller, the color management method of the LED display screen according to claims 1-6 is executed.

9. A color management storage medium for an LED display screen, suitable for the color management method for an LED display screen according to claims 1-6.

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