CN117935726A - Mini-LED display screen color homogenization method and device - Google Patents
Mini-LED display screen color homogenization method and device Download PDFInfo
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Abstract
The application provides a color homogenization method and device of a Mini-LED display screen, a computer readable medium and electronic equipment. The color homogenization method of the Mini-LED display screen comprises the following steps: in the technical scheme of the application, a video picture is extracted from display pictures displayed by a display screen; determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture; acquiring adjacent pixel information of adjacent areas of the target area; determining a compensation parameter for performing color homogenization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area; and homogenizing pixels of the target area based on the compensation parameters to generate a homogenized picture corresponding to the video picture. According to the technical scheme, the aliasing area is filtered in the mode, the influence of pixel aliasing and picture display is reduced, color compensation is performed on the filtered information, and the balance and definition of pictures are improved.
Description
Technical Field
The application relates to the technical field of computers, in particular to a color homogenization method and device of a Mini-LED display screen, a computer readable medium and electronic equipment.
Background
The working principle of the color display screen is based on the principle of light three primary color mixing and filtering. Common color displays are composed of light emitting diodes or liquid crystals of three basic colors, red, green, and blue (RGB). In the LED display screen, the LED lamps with three colors of red, green and blue respectively emit light with three colors of red, green and blue, and various colors can be generated through different mixing ratios of the three lights. However, in the actual display process, color aliasing often occurs between adjacent chromaticities, which causes an unclear problem of picture display.
Disclosure of Invention
The embodiment of the application provides a color homogenization method and device of a Mini-LED display screen, a computer readable medium and electronic equipment, and further solves the problem of unclear picture display at least to a certain extent.
Other features and advantages of the application will be apparent from the following detailed description, or may be learned by the practice of the application.
According to one aspect of the present application, there is provided a color homogenization method of a Mini-LED display screen, including: extracting video pictures from display pictures displayed by a display screen; determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture; acquiring adjacent pixel information of adjacent areas of the target area; determining a compensation parameter for performing color homogenization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area; and homogenizing pixels of the target area based on the compensation parameters to generate a homogenized picture corresponding to the video picture.
In the present application, based on the foregoing solution, the extracting a video frame from a display frame presented by a display screen includes: detecting the image quality of a display picture displayed by a display screen; when the image quality is detected to be lower than the set standard, the video picture at the moment is extracted.
In the present application, based on the foregoing scheme, the determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture includes: and detecting the video picture based on pixel information corresponding to each pixel point in the video picture, and determining a target area of picture aliasing.
In the present application, based on the foregoing aspect, the adjacent areas represent image areas of the same size and shape as the target area, and the number of adjacent areas is at least one.
In the present application, based on the foregoing scheme, the determining, based on the target pixel information corresponding to the target region and the adjacent pixel information corresponding to the adjacent region, a compensation parameter for performing color homogenization on the target region includes: determining a filtering parameter based on target pixel information of the target region; filtering the target area based on the filtering parameters to generate a filtering area; and determining compensation parameters based on the filtered pixel information of the filtering region and the adjacent pixel information of the adjacent region.
In the present application, based on the foregoing scheme, the determining the compensation parameter based on the filtered pixel information of the filtered region and the adjacent pixel information of the adjacent region includes: generating a first pixel matrix based on the filtered pixel information of the filtering region; generating a second pixel matrix based on adjacent pixel information of the adjacent region; a compensation parameter is determined based on the first pixel matrix and the second pixel matrix.
In the present application, based on the foregoing solution, the step of homogenizing pixels of the target area based on the compensation parameter to generate a homogenized picture corresponding to the video picture includes: determining a homogenization matrix based on a product between the compensation parameter and a pixel matrix of the target area; and generating a homogenized picture corresponding to the video picture based on the homogenized matrix.
According to one aspect of the present application, there is provided a color homogenizing device for a Mini-LED display screen, comprising:
The extraction unit is used for extracting video pictures from display pictures displayed by the display screen;
the aliasing unit is used for determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture;
An acquisition unit configured to acquire adjacent pixel information of an adjacent region to the target region;
A parameter unit, configured to determine a compensation parameter for performing color homogenization on the target area based on target pixel information corresponding to the target area and adjacent pixel information corresponding to the adjacent area;
And the homogenizing unit is used for homogenizing the pixels of the target area based on the compensation parameters and generating a homogenized picture corresponding to the video picture.
In the present application, based on the foregoing solution, the extracting a video frame from a display frame presented by a display screen includes: detecting the image quality of a display picture displayed by a display screen; when the image quality is detected to be lower than the set standard, the video picture at the moment is extracted.
In the present application, based on the foregoing scheme, the determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture includes: and detecting the video picture based on pixel information corresponding to each pixel point in the video picture, and determining a target area of picture aliasing.
In the present application, based on the foregoing aspect, the adjacent areas represent image areas of the same size and shape as the target area, and the number of adjacent areas is at least one.
In the present application, based on the foregoing scheme, the determining, based on the target pixel information corresponding to the target region and the adjacent pixel information corresponding to the adjacent region, a compensation parameter for performing color homogenization on the target region includes: determining a filtering parameter based on target pixel information of the target region; filtering the target area based on the filtering parameters to generate a filtering area; and determining compensation parameters based on the filtered pixel information of the filtering region and the adjacent pixel information of the adjacent region.
In the present application, based on the foregoing scheme, the determining the compensation parameter based on the filtered pixel information of the filtered region and the adjacent pixel information of the adjacent region includes: generating a first pixel matrix based on the filtered pixel information of the filtering region; generating a second pixel matrix based on adjacent pixel information of the adjacent region; a compensation parameter is determined based on the first pixel matrix and the second pixel matrix.
In the present application, based on the foregoing solution, the step of homogenizing pixels of the target area based on the compensation parameter to generate a homogenized picture corresponding to the video picture includes: determining a homogenization matrix based on a product between the compensation parameter and a pixel matrix of the target area; and generating a homogenized picture corresponding to the video picture based on the homogenized matrix.
According to an aspect of the present application, there is provided a computer readable medium having stored thereon a computer program which, when executed by a processor, implements a Mini-LED display screen color homogenization method as described in the above embodiments.
According to an aspect of the present application, there is provided an electronic apparatus including: one or more processors; and the storage device is used for storing one or more programs, and when the one or more programs are executed by the one or more processors, the one or more processors are enabled to realize the Mini-LED display screen color homogenization method.
According to one aspect of the present application, there is provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the Mini-LED display screen color homogenization method provided in the above various alternative implementations.
In the technical scheme of the application, a video picture is extracted from display pictures displayed by a display screen; determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture; acquiring adjacent pixel information of adjacent areas of the target area; determining a compensation parameter for performing color homogenization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area; and homogenizing pixels of the target area based on the compensation parameters to generate a homogenized picture corresponding to the video picture. According to the technical scheme, the aliasing area is filtered in the mode, the influence of pixel aliasing and picture display is reduced, color compensation is performed on the filtered information, and the balance and definition of pictures are improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. It is evident that the drawings in the following description are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 schematically illustrates a flow chart of a Mini-LED display screen color homogenization method in an embodiment of the application.
Fig. 2 schematically shows a flow chart of determining compensation parameters in an embodiment of the application.
FIG. 3 schematically illustrates a schematic diagram of a Mini-LED display screen color homogenization apparatus in an embodiment of the application.
Fig. 4 shows a schematic diagram of a computer system suitable for use in implementing an embodiment of the application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the application may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
The implementation details of the technical scheme of the application are explained in detail as follows:
FIG. 1 shows a flow chart of a Mini-LED display screen color homogenization method according to an embodiment of the application. Referring to fig. 1, the color homogenization method of the Mini-LED display screen at least includes steps S110 to S150, which are described in detail as follows:
in step S110, a video frame is extracted from the display frames presented by the display screen.
In one embodiment of the application, a certain frame of video picture is extracted for later image processing in the process of displaying the picture on the display screen.
In one embodiment of the present application, extracting a video frame from a display frame presented by a display screen includes:
detecting the image quality of a display picture displayed by a display screen;
When the image quality is detected to be lower than the set standard, the video picture at the moment is extracted.
In an embodiment of the present application, in a display screen, an image quality of the display screen is detected. The specific detection mode may be to detect the definition of the display picture, and measure the image quality according to the definition. When it is detected that the image quality is lower than the set standard, indicating that the quality of the currently displayed picture is lower, the video picture at that time is extracted as a processing object.
In step S120, a target area of the picture aliasing is determined based on the pixel information corresponding to each pixel point in the video picture.
In one embodiment of the application, the video picture is detected based on pixel information corresponding to each pixel point in the video picture, and a target area of picture aliasing is determined.
In an embodiment of the present application, based on pixel information corresponding to each pixel point in a video frame, the video frame is detected, and an aliased target area in the frame is determined. In this embodiment, the target area is used to represent an area where adhesion occurs between the pixel particles, and the pixels in the partial area are affected by surrounding pixels, so that the problem of unclear blurring of the partial area is caused.
In step S130, adjacent pixel information of an adjacent region to the target region is acquired.
In one embodiment of the present application, the adjacent areas represent image areas of the same size and shape as the target area, and the number of adjacent areas is at least one.
In one embodiment of the present application, the adjacent pixel information indicates pixel values corresponding to respective pixel points in the adjacent region.
In step S140, a compensation parameter for performing color homogenization on the target area is determined based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area.
In one embodiment of the present application, after the target region and the adjacent region are determined, the compensation parameter is determined based on the target pixel information and the adjacent pixel information. The compensation parameters in this embodiment are used to color homogenize the target area.
As shown in fig. 2, in one embodiment of the present application, determining a compensation parameter for performing color homogenization on the target area based on target pixel information corresponding to the target area and adjacent pixel information corresponding to the adjacent area includes:
s210, determining filtering parameters based on target pixel information of the target area;
s220, filtering the target area based on the filtering parameters to generate a filtering area;
And S230, determining compensation parameters based on the filtering pixel information of the filtering area and the adjacent pixel information of the adjacent area.
In an embodiment of the present application, when determining the filtering parameter, the filtering parameter is based on the target pixel information corresponding to the target regionDetermining the filter parameters/>The method comprises the following steps:
Where n, m represents the number of pixels of the target area in rows and columns, Representing the filter factors trained based on historical data.
The filtering parameters calculated in this embodiment are used to represent the pixel level of the image in the target area, and after the filtering parameters are calculated, the target area is filtered based on the filtering parameters, and the pixels corresponding to the filtering area are generated as follows:
According to the method, the filtering parameters are determined based on the pixel information in the target area, and then the target area is filtered based on the filtering parameters, so that the influence of picture aliasing on pixels is reduced, and the accuracy of color homogenization is improved.
In one embodiment of the present application, determining the compensation parameter based on the filtered pixel information of the filtered region and the adjacent pixel information of the adjacent region includes:
Generating a first pixel matrix based on the filtered pixel information of the filtering region;
generating a second pixel matrix based on adjacent pixel information of the adjacent region;
a compensation parameter is determined based on the first pixel matrix and the second pixel matrix.
In one embodiment of the present application, a first pixel matrix is generated based on the filtered pixel information of the filtering region, and the first pixel matrix is determinedThe corresponding first eigenvalue is/>: ; Generating a second pixel matrix/>, based on neighboring pixel information of neighboring areasAnd determining a second eigenvalue corresponding to the second pixel matrix as follows: /(I)。
Based on the first pixel matrixAnd the second pixel matrix/>First eigenvalue/>And a second eigenvalue/>Calculate compensation parameter/>The method comprises the following steps:
in the above process, based on the first pixel matrix of the filtering area and the second pixel matrix of the adjacent area, the compensation parameter between the filtering area and the adjacent area is determined based on the eigenvalue between the two matrixes, so as to perform compensation processing on the target area through the compensation parameter.
In step S150, pixels of the target area are homogenized based on the compensation parameter, and a homogenized picture corresponding to the video picture is generated.
In one embodiment of the application, a homogenization matrix is determined based on a product between the compensation parameter and a pixel matrix of the target area; and generating a homogenized picture corresponding to the video picture based on the homogenized matrix.
In an embodiment of the present application, after the compensation parameter is generated, a product between the compensation parameter and the pixel matrix of the target area is used as the equalization matrix, i.e. the pixel matrix corresponding to the area. And then generating a homogenized picture corresponding to the video picture based on the homogenized matrix.
In the technical scheme of the application, a video picture is extracted from display pictures displayed by a display screen; determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture; acquiring adjacent pixel information of adjacent areas of the target area; determining a compensation parameter for performing color homogenization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area; and homogenizing pixels of the target area based on the compensation parameters to generate a homogenized picture corresponding to the video picture. According to the technical scheme, the aliasing area is filtered in the mode, the influence of pixel aliasing and picture display is reduced, color compensation is performed on the filtered information, and the balance and definition of pictures are improved.
The following describes an embodiment of the apparatus of the present application, which may be used to perform the color homogenization method of the Mini-LED display screen in the above embodiment of the present application. It will be appreciated that the apparatus may be a computer program (including program code) running in a computer device, for example the apparatus being an application software; the device can be used for executing corresponding steps in the method provided by the embodiment of the application. For details not disclosed in the embodiment of the device of the present application, please refer to the embodiment of the color homogenization method of the Mini-LED display screen.
FIG. 3 illustrates a block diagram of a Mini-LED display screen color homogenization apparatus in accordance with an embodiment of the present application.
Referring to fig. 3, a color homogenizing apparatus for a Mini-LED display screen according to an embodiment of the present application includes:
an extracting unit 310, configured to extract a video frame from a display frame presented by a display screen;
An aliasing unit 320, configured to determine a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture;
An acquisition unit 330 for acquiring adjacent pixel information of an adjacent region of the target region;
A parameter unit 340, configured to determine a compensation parameter for performing color equalization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area;
and a homogenizing unit 350, configured to perform homogenization on pixels of the target area based on the compensation parameter, and generate a homogenized picture corresponding to the video picture.
In the present application, based on the foregoing solution, the extracting a video frame from a display frame presented by a display screen includes: detecting the image quality of a display picture displayed by a display screen; when the image quality is detected to be lower than the set standard, the video picture at the moment is extracted.
In the present application, based on the foregoing scheme, the determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture includes: and detecting the video picture based on pixel information corresponding to each pixel point in the video picture, and determining a target area of picture aliasing.
In the present application, based on the foregoing aspect, the adjacent areas represent image areas of the same size and shape as the target area, and the number of adjacent areas is at least one.
In the present application, based on the foregoing scheme, the determining, based on the target pixel information corresponding to the target region and the adjacent pixel information corresponding to the adjacent region, a compensation parameter for performing color homogenization on the target region includes: determining a filtering parameter based on target pixel information of the target region; filtering the target area based on the filtering parameters to generate a filtering area; and determining compensation parameters based on the filtered pixel information of the filtering region and the adjacent pixel information of the adjacent region.
In the present application, based on the foregoing scheme, the determining the compensation parameter based on the filtered pixel information of the filtered region and the adjacent pixel information of the adjacent region includes: generating a first pixel matrix based on the filtered pixel information of the filtering region; generating a second pixel matrix based on adjacent pixel information of the adjacent region; a compensation parameter is determined based on the first pixel matrix and the second pixel matrix.
In the present application, based on the foregoing solution, the step of homogenizing pixels of the target area based on the compensation parameter to generate a homogenized picture corresponding to the video picture includes: determining a homogenization matrix based on a product between the compensation parameter and a pixel matrix of the target area; and generating a homogenized picture corresponding to the video picture based on the homogenized matrix.
In the technical scheme of the application, a video picture is extracted from display pictures displayed by a display screen; determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture; acquiring adjacent pixel information of adjacent areas of the target area; determining a compensation parameter for performing color homogenization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area; and homogenizing pixels of the target area based on the compensation parameters to generate a homogenized picture corresponding to the video picture. According to the technical scheme, the aliasing area is filtered in the mode, the influence of pixel aliasing and picture display is reduced, color compensation is performed on the filtered information, and the balance and definition of pictures are improved.
Fig. 4 shows a schematic diagram of a computer system suitable for use in implementing an embodiment of the application.
It should be noted that, the computer system 400 of the electronic device shown in the drawings is only an example, and should not impose any limitation on the functions and the application scope of the embodiments of the present application.
Among them, the computer system 400 includes a central processing unit (Central Processing Unit, CPU) 401 that can perform various appropriate actions and processes, such as performing the methods described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) 402 or a program loaded from a storage section 408 into a random access Memory (Random Access Memory, RAM) 403. In the RAM 403, various programs and data required for the system operation are also stored. The CPU 401, ROM 402, and RAM 403 are connected to each other by a bus 404. An Input/Output (I/O) interface 405 is also connected to bus 404.
The following components are connected to the I/O interface 405: an input section 406 including a keyboard, a mouse, and the like; an output portion 407 including a Cathode Ray Tube (CRT), a Liquid crystal display (Liquid CRYSTAL DISPLAY, LCD), and a speaker, etc.; a storage section 408 including a hard disk or the like; and a communication section 409 including a network interface card such as a LAN (Local Area Network ) card, a modem, or the like. The communication section 409 performs communication processing via a network such as the internet. The drive 410 is also connected to the I/O interface 405 as needed. A removable medium 411 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed on the drive 410 as needed, so that a computer program read therefrom is installed into the storage section 408 as needed.
In particular, according to embodiments of the present application, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising a computer program for performing the method shown in the flowchart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication portion 409 and/or installed from the removable medium 411. When executed by a Central Processing Unit (CPU) 401, performs the various functions defined in the system of the present application.
It should be noted that, the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-Only Memory (ROM), an erasable programmable read-Only Memory (Erasable Programmable Read Only Memory, EPROM), a flash Memory, an optical fiber, a portable compact disc read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In the present application, however, a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave, with a computer-readable computer program embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. A computer program embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Where each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units involved in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be provided in a processor. Wherein the names of the units do not constitute a limitation of the units themselves in some cases.
According to one aspect of the present application, there is provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions are read from the computer-readable storage medium by a processor of a computer device, and executed by the processor, cause the computer device to perform the methods provided in the various alternative implementations described above.
As another aspect, the present application also provides a computer-readable medium that may be contained in the electronic device described in the above embodiment; or may exist alone without being incorporated into the electronic device. The computer-readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to implement the methods described in the above embodiments.
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit in accordance with embodiments of the application. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a touch terminal, or a network device, etc.) to perform the method according to the embodiments of the present application.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. The color homogenization method of the Mini-LED display screen is characterized by comprising the following steps of:
Extracting video pictures from display pictures displayed by a display screen;
determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture;
acquiring adjacent pixel information of adjacent areas of the target area;
Determining a compensation parameter for performing color homogenization on the target area based on the target pixel information corresponding to the target area and the adjacent pixel information corresponding to the adjacent area;
and homogenizing pixels of the target area based on the compensation parameters to generate a homogenized picture corresponding to the video picture.
2. The method of claim 1, wherein extracting the video frame from the display frame presented by the display screen comprises:
detecting the image quality of a display picture displayed by a display screen;
When the image quality is detected to be lower than the set standard, the video picture at the moment is extracted.
3. The method of claim 1, wherein determining a target region of picture aliasing based on pixel information corresponding to each pixel in the video picture comprises:
and detecting the video picture based on pixel information corresponding to each pixel point in the video picture, and determining a target area of picture aliasing.
4. The method of claim 1, wherein the adjacent regions represent image regions of the same size and shape as the target region, the number of adjacent regions being at least one.
5. The method of claim 1, wherein determining a compensation parameter for color homogenization of the target region based on target pixel information corresponding to the target region and neighboring pixel information corresponding to the neighboring region comprises:
Determining a filtering parameter based on target pixel information of the target region;
Filtering the target area based on the filtering parameters to generate a filtering area;
and determining compensation parameters based on the filtered pixel information of the filtering region and the adjacent pixel information of the adjacent region.
6. The method of claim 5, wherein determining compensation parameters based on the filtered pixel information of the filtered region and the neighboring pixel information of the neighboring region comprises:
Generating a first pixel matrix based on the filtered pixel information of the filtering region;
generating a second pixel matrix based on adjacent pixel information of the adjacent region;
a compensation parameter is determined based on the first pixel matrix and the second pixel matrix.
7. The method of claim 1, wherein homogenizing pixels of the target region based on the compensation parameter generates a homogenized picture corresponding to the video picture, comprising:
determining a homogenization matrix based on a product between the compensation parameter and a pixel matrix of the target area;
And generating a homogenized picture corresponding to the video picture based on the homogenized matrix.
8. A Mini-LED display screen color homogenizing device, comprising:
The extraction unit is used for extracting video pictures from display pictures displayed by the display screen;
the aliasing unit is used for determining a target area of picture aliasing based on pixel information corresponding to each pixel point in the video picture;
An acquisition unit configured to acquire adjacent pixel information of an adjacent region to the target region;
A parameter unit, configured to determine a compensation parameter for performing color homogenization on the target area based on target pixel information corresponding to the target area and adjacent pixel information corresponding to the adjacent area;
And the homogenizing unit is used for homogenizing the pixels of the target area based on the compensation parameters and generating a homogenized picture corresponding to the video picture.
9. A computer readable medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the Mini-LED display screen color homogenization method of any one of claims 1-7.
10. An electronic device, comprising:
One or more processors;
storage means for storing one or more programs that, when executed by the one or more processors, cause the one or more processors to implement the Mini-LED display screen color homogenization method of any one of claims 1-7.
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