CN117690376A - LED display screen module splicing control system - Google Patents
LED display screen module splicing control system Download PDFInfo
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- CN117690376A CN117690376A CN202410035431.5A CN202410035431A CN117690376A CN 117690376 A CN117690376 A CN 117690376A CN 202410035431 A CN202410035431 A CN 202410035431A CN 117690376 A CN117690376 A CN 117690376A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/02—Composition of display devices
- G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0693—Calibration of display systems
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Abstract
The invention relates to the field of LED display screen module splicing control, and particularly discloses an LED display screen module splicing control system, which comprehensively evaluates proper display parameters of an LED display screen from multiple dimensions such as characteristics of the LED display screen, display content types, environment brightness, viewing distance, application scenes and the like, and sets the parameters to ensure that the display effect of the spliced display screen is optimal, so that the display picture quality of the spliced display screen and the visual experience of audiences are ensured; judging whether each display parameter of each LED display screen in the spliced screen needs to be adjusted or not by acquiring the observation value of each display parameter in each LED display screen in the spliced screen, acquiring the correction direction and correction amount of the display parameters, debugging, monitoring the actual display effect of the spliced screen, and then carrying out self-adaptive adjustment on the display parameters of the LED display screen so as to obtain better display effect, thereby improving the watching experience.
Description
Technical Field
The invention relates to the field of LED display screen module splicing control, in particular to an LED display screen module splicing control system.
Background
The splicing of the LED display screens is mostly suitable for occasions needing high-definition large screens to play audio and video, and monitoring and controlling the splicing of the LED display screens can ensure the display quality, play stability and abnormal display risk early warning of the LED display screens.
However, the prior art still has partial defects:
1. when the display parameters of each LED display screen in the spliced screen are set, the display parameters are set to experience values or fixed values, or only indexes in a certain aspect are used as evaluation standards, the indexes to be referenced are too single, and proper display parameters of the LED display screens are not comprehensively evaluated from multiple dimensions, such as the characteristics of the display screens, the display content types, the environment brightness, the watching distance, the application scenes and the like, so that the display effect of the LED display screen with the display parameters set is poor, and the display picture quality of the spliced screen and the visual experience of audiences cannot be guaranteed.
2. After the setting of the display parameters of each LED display screen in the spliced screen is completed, the actual display effect of the spliced screen is not monitored and checked, and the display parameters of each LED display screen are further corrected and adjusted, so that the observed value and the set value of the display parameters of the LED display screen are different due to the changes of the environment brightness, the shielding of objects, the equipment failure and other reasons, namely, the display effect of the spliced screen observed by naked eyes is inconsistent with the expected display effect, and further, the problem that the display effect of the spliced screen is poor cannot be timely found and processed by the conventional method is solved.
Disclosure of Invention
Aiming at the problems, the invention provides an LED display screen module splicing control system which realizes the function of controlling the LED display screen module splicing.
An LED display module splice control system, comprising:
the LED display screen reference display parameter acquisition module: the method comprises the steps of acquiring characteristic information of each LED display screen in a spliced screen, acquiring display content type, environment brightness, viewing distance and application scene of the spliced screen, analyzing reference values of each display parameter in each LED display screen in the spliced screen, wherein the display parameters comprise brightness, contrast ratio, definition and color saturation, and further setting each display parameter of each LED display screen in the spliced screen;
the LED display screen display image acquisition and transmission module comprises: the method comprises the steps of obtaining the display proportion of a spliced screen and the layout and arrangement directions of LED display screens in the spliced screen, scaling, cutting and dividing an input image of the spliced screen to obtain display images of all the LED display screens in the spliced screen, and transmitting the display images;
LED display screen splice display effect monitoring module: the method comprises the steps of obtaining a corresponding photo when a spliced screen is displayed, marking the photo as a photo to be analyzed, obtaining each display parameter of each LED display screen in the spliced screen in the photo to be analyzed, and marking the photo as an observed value of each display parameter in each LED display screen in the spliced screen;
the LED display screen display parameter adjustment judging module comprises: the method comprises the steps of analyzing balance coefficients of all display parameters in each LED display screen in a spliced screen according to observed values of all display parameters in each LED display screen in the spliced screen, judging whether all display parameters of each LED display screen in the spliced screen need to be adjusted, and if so, recording all display parameters of each LED display screen needing to be adjusted in the spliced screen as all appointed display parameters of each target LED display screen in the spliced screen;
the LED display screen display parameter correction and debugging module comprises: used for obtaining the observed values of each appointed display parameter in each target LED display screen in the spliced screen, analyzing correction directions and correction amounts of specified display parameters in each target LED display screen in the spliced screen, and further debugging each target LED display screen in the spliced screen;
database: the method is used for storing characteristic information of each LED display screen in the spliced screen and recommended values of each display parameter of the spliced screen in each application scene.
Further, the specific analysis process of the LED display screen reference display parameter acquisition module comprises the following steps:
extracting characteristic information of each LED display screen in the spliced screen stored in the database, obtaining the range of each display parameter of each LED display screen in the spliced screen, further obtaining the upper limit value of each display parameter in each LED display screen in the spliced screen, comparing the upper limit values of each display parameter in each LED display screen in the spliced screen with each other, obtaining the minimum upper limit value of each display parameter of each LED display screen in the spliced screen, and marking the minimum upper limit value as a first reference value of each display parameter of the spliced screen.
Further, the specific analysis process of the LED display screen reference display parameter acquisition module further includes:
acquiring display content types of the spliced screen, setting proper values of various display parameters of the spliced screen corresponding to the display content types, screening to obtain proper values of various display parameters of the spliced screen corresponding to the display content types of the spliced screen, and recording the proper values as second reference values of various display parameters of the spliced screen.
Further, the specific analysis process of the LED display screen reference display parameter acquisition module further includes:
according to a preset principle, arranging detection points in the surrounding area of the spliced screen, acquiring the brightness of the detection points in the surrounding area of the spliced screen through a light sensor, carrying out average value calculation to obtain the environment brightness of the spliced screen, setting the proper values of the display parameters of the spliced screen corresponding to the environment brightness range, screening to obtain the proper values of the display parameters of the spliced screen corresponding to the environment brightness of the spliced screen, and marking the proper values as third reference values of the display parameters of the spliced screen.
Further, the specific analysis process of the LED display screen reference display parameter acquisition module further includes:
and obtaining the viewing distance required by the user of the spliced screen, recording the viewing distance as the viewing distance of the spliced screen, setting the proper values of the display parameters of the spliced screen corresponding to the viewing distance ranges, screening to obtain the proper values of the display parameters of the spliced screen corresponding to the viewing distance of the spliced screen, and recording the proper values as the fourth reference values of the display parameters of the spliced screen.
Further, the specific analysis process of the LED display screen reference display parameter acquisition module further includes: acquiring application scenes of the spliced screen, extracting recommended values of all display parameters of the spliced screen under all application scenes stored in a database, screening to obtain recommended values of all display parameters of the spliced screen corresponding to the application scenes of the spliced screen, and recording the recommended values as fifth reference values of all display parameters of the spliced screen;
respectively marking a first reference value, a second reference value, a third reference value, a fourth reference value and a fifth reference value of each display parameter of the spliced screen asWherein i represents the number of the ith display parameter of the spliced screen, i=1, 2,3,4, the 1 st, 2 nd, 3 rd and 4 th display parameters of the spliced screen are brightness, contrast, definition and color saturation in sequence, and the reference value of each display parameter of the spliced screen is obtained through formulation analysis>The specific analysis formula is as follows:
wherein delta 1 、δ 2 、δ 3 、δ 4 、δ 5 Weight factors respectively representing preset first reference value, second reference value, third reference value, fourth reference value and fifth reference value, delta 1 +δ 2 +δ 3 +δ 4 +δ 5 ＝1。
According to the reference values of the display parameters of the spliced screen, the reference values of the display parameters of the LED display screens in the spliced screen are obtained, and the display parameters of the LED display screens in the spliced screen are further set.
Further, the specific analysis process of the LED display screen display image acquisition and transmission module is as follows: acquiring the display proportion of the spliced screen, and further scaling and cutting the input image of the spliced screen according to a preset principle;
the method comprises the steps of obtaining the layout and arrangement direction of LED display screens in a spliced screen, obtaining the number of columns of the transverse LED display screens and the number of rows of the longitudinal LED display screens in the spliced screen, further conducting grid segmentation on input images of the spliced screen according to a preset equal area principle, obtaining all sub-images of the input images of the spliced screen, enabling all the sub-images of the input images of the spliced screen to correspond to all the LED display screens in the spliced screen one by one, obtaining the display images of all the LED display screens in the spliced screen, and conducting transmission.
Further, provided thatThe specific analysis process of the LED display screen display parameter adjustment judging module comprises the following steps: the observed value of each display parameter in each LED display screen in the spliced screen is recorded as d pi P represents the number of the p-th LED display screen in the tiled screen, p=1, 2,..q;
comparing the observed values of the display parameters of the LED display screens in the spliced screen to obtain the mode of the observed values of the display parameters of the LED display screens in the spliced screen, and marking the mode as the reference value of the display parameters of the LED display screens in the spliced screen and representing the reference value as
Obtaining the equalization coefficient phi of the display parameters of each LED display screen in the spliced screen through formulated analysis pi The specific analysis formula is as follows:
wherein ε represents a correction factor of a preset equalization coefficient, e represents a natural constant, and Δd i A threshold value representing a difference between an observed value and a reference value of a preset ith display parameter.
Further, the specific analysis process of the LED display screen display parameter adjustment judging module further includes: comparing the balance coefficient of each display parameter in each LED display screen in the spliced screen with a preset balance coefficient threshold, if the balance coefficient of a certain display parameter in a certain LED display screen in the spliced screen is smaller than the preset balance coefficient threshold, the display parameter in the LED display screen in the spliced screen needs to be regulated, counting to obtain each display parameter of each LED display screen needing to be regulated in the spliced screen, and recording each display parameter as each appointed display parameter of each target LED display screen in the spliced screen.
Further, the specific analysis process of the LED display screen display parameter correction debugging module is as follows:
s1: screening to obtain the observed values of each appointed display parameter in each target LED display screen in the spliced screen according to the observed values of each display parameter in each LED display screen in the spliced screen;
according to the reference values of the display parameters of the LED display screens in the spliced screen, obtaining the reference values of the display parameters of the LED display screens in the spliced screen, and further screening to obtain the reference values of the appointed display parameters of the target LED display screens in the spliced screen;
comparing the observed value of each appointed display parameter in each target LED display screen in the spliced screen with a reference value to obtain a difference value between the observed value of each appointed display parameter in each target LED display screen in the spliced screen and the reference value, and marking the difference value as the deviation of each appointed display parameter in each target LED display screen in the spliced screen;
s2: taking absolute values of deviation of each appointed display parameter in each target LED display screen in the spliced screen as correction amounts of each appointed display parameter in each target LED display screen in the spliced screen;
s3: acquiring symbols of deviation of each appointed display parameter in each target LED display screen in the spliced screen, and further acquiring correction directions of each appointed display parameter in each target LED display screen in the spliced screen;
s4: and debugging each target LED display screen in the spliced screen according to the correction direction and correction amount of each appointed display parameter in each target LED display screen in the spliced screen.
Compared with the prior art, the LED display screen module splicing control system has the following beneficial effects:
1. according to the invention, the characteristic information of each LED display screen in the spliced screen, the display content type, the environment brightness, the watching distance and the application scene of the spliced screen are obtained, and the reference values of brightness, contrast, definition and color saturation of each LED display screen in the spliced screen are analyzed and set; and comprehensively evaluating proper display parameters of the LED display screen from multiple dimensions, and ensuring that the display effect of the spliced display screen is optimal, thereby ensuring the display picture quality of the spliced display screen and the visual experience of audiences.
2. According to the invention, by acquiring the observed values of all display parameters in each LED display screen in the spliced screen, analyzing the balance coefficient of all display parameters in each LED display screen in the spliced screen, judging whether all display parameters of each LED display screen in the spliced screen need to be regulated, further acquiring the correction direction and correction amount of the display parameters, and debugging; the actual display effect of the spliced screen is monitored, and then the display parameters of the LED display screen are adaptively adjusted, so that a better display effect is obtained, the viewing experience is improved, and the method is favorable for attracting audiences and transmitting clear information.
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In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram illustrating a system module connection according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a LED display module splicing control system, the system comprises an LED display screen reference display parameter acquisition module, an LED display screen display image acquisition transmission module, an LED display screen spliced display effect monitoring module, an LED display screen display parameter adjustment judgment module, an LED display screen display parameter correction debugging module and a database;
the LED display screen display image acquisition and transmission module is respectively connected with the LED display screen reference display parameter acquisition module and the LED display screen spliced display effect monitoring module, the LED display screen display parameter adjustment and judgment module is respectively connected with the LED display screen spliced display effect monitoring module and the LED display screen display parameter correction and debugging module, and the database is connected with the LED display screen reference display parameter acquisition module;
the LED display screen reference display parameter acquisition module is used for acquiring characteristic information of each LED display screen in the spliced screen, acquiring display content type, environment brightness, viewing distance and application scene of the spliced screen, analyzing reference values of each display parameter in each LED display screen in the spliced screen, wherein the display parameters comprise brightness, contrast, definition and color saturation, and further setting each display parameter of each LED display screen in the spliced screen;
the specific analysis process of the LED display screen reference display parameter acquisition module comprises the following steps:
extracting characteristic information of each LED display screen in the spliced screen stored in the database, obtaining the range of each display parameter of each LED display screen in the spliced screen, further obtaining the upper limit value of each display parameter in each LED display screen in the spliced screen, comparing the upper limit values of each display parameter in each LED display screen in the spliced screen with each other, obtaining the minimum upper limit value of each display parameter of each LED display screen in the spliced screen, and marking the minimum upper limit value as a first reference value of each display parameter of the spliced screen.
As a preferable scheme, the display function of the spliced screen can be split screen, cross-screen splicing or whole screen display;
in another specific embodiment, the characteristic information of each LED display screen in the spliced screen is completely the same, that is, the ranges of each display parameter of each LED display screen in the spliced screen are completely the same, and at this time, the upper limit value of each display parameter of any LED display screen is used as the first reference value of each display parameter of the spliced screen.
As a preferable scheme, the characteristic information of the LED display screen, namely the range of each display parameter of the LED display screen, is determined by the factors of the quality of chips in the LED display screen, the packaging mode, the design of a control circuit and the like;
the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps: acquiring display content types of the spliced screen, setting proper values of various display parameters of the spliced screen corresponding to the display content types, screening to obtain proper values of various display parameters of the spliced screen corresponding to the display content types of the spliced screen, and recording the proper values as second reference values of various display parameters of the spliced screen.
As a preferred solution, the display content types of the spliced screen include, but are not limited to: images, text, video, icons, application interfaces, web content, game interfaces, and the like.
As a preferred scheme, the requirements of different display content types on the display parameters of the spliced screen may be different, for example, the requirements of different display content types on the brightness, the color saturation and the contrast of the spliced screen are different;
the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps: according to a preset principle, arranging detection points in the surrounding area of the spliced screen, acquiring the brightness of the detection points in the surrounding area of the spliced screen through a light sensor, carrying out average value calculation to obtain the environment brightness of the spliced screen, setting the proper values of the display parameters of the spliced screen corresponding to the environment brightness range, screening to obtain the proper values of the display parameters of the spliced screen corresponding to the environment brightness of the spliced screen, and marking the proper values as third reference values of the display parameters of the spliced screen.
As a preferred option, the ambient brightness can also be detected by a light sensor or a light sensor.
As a preferred scheme, the requirements of different environmental brightness on the display parameters of the spliced screen may be different, for example, the environmental brightness may affect the setting of parameters such as brightness, contrast and color saturation of the spliced screen;
the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps: and obtaining the viewing distance required by the user of the spliced screen, recording the viewing distance as the viewing distance of the spliced screen, setting the proper values of the display parameters of the spliced screen corresponding to the viewing distance ranges, screening to obtain the proper values of the display parameters of the spliced screen corresponding to the viewing distance of the spliced screen, and recording the proper values as the fourth reference values of the display parameters of the spliced screen.
As a preferred scheme, the viewing distance of the spliced screen is set by the user of the spliced screen or is a default value.
As a preferred scheme, the requirements of different viewing distances on the display parameters of the spliced screen may be different, for example, the viewing distances may affect the setting of the parameters such as definition, brightness and contrast of the spliced screen;
the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps: acquiring application scenes of the spliced screen, extracting recommended values of all display parameters of the spliced screen under all application scenes stored in a database, screening to obtain the recommended values of all display parameters of the spliced screen corresponding to the application scenes of the spliced screen, and recording the recommended values as fifth reference values of all display parameters of the spliced screen.
As a preferable scheme, the display parameters of the spliced screen can be analyzed by referring to the spliced screen parameter settings of similar applications, so that the common standards and recommended values in the market can be known;
respectively marking a first reference value, a second reference value, a third reference value, a fourth reference value and a fifth reference value of each display parameter of the spliced screen asWherein i represents the number of the ith display parameter of the spliced screen, i=1, 2,3,4, the 1 st, 2 nd, 3 rd and 4 th display parameters of the spliced screen are brightness, contrast, definition and color saturation in sequence, and the reference value of each display parameter of the spliced screen is obtained through formulation analysis>The specific analysis formula is as follows:
wherein delta 1 、δ 2 、δ 3 、δ 4 、δ 5 Weight factors respectively representing preset first reference value, second reference value, third reference value, fourth reference value and fifth reference value, delta 1 +δ 2 +δ 3 +δ 4 +δ 5 ＝1；
As a preferred scheme, the display content, the ambient brightness and the viewing distance of the spliced screen are not necessarily related to all display parameters of the spliced screen, namely, each display parameter of the spliced screen does not necessarily have a second reference value, a third reference value and a fourth reference value, and if a certain display parameter of the spliced screen does not have the second reference value, the third reference value and the fourth reference value, only the reference values which can be obtained by the display parameter are subjected to related calculation and analysis;
according to the reference values of the display parameters of the spliced screen, the reference values of the display parameters of the LED display screens in the spliced screen are obtained, and the display parameters of the LED display screens in the spliced screen are further set.
As a preferable scheme, the reference values of the display parameters of the spliced screen are the reference values of the display parameters of the LED display screens in the spliced screen, and the reference values of the display parameters of the LED display screens in the spliced screen are correspondingly equal.
As a preferable scheme, the LED display screens are spliced by means of corresponding splicing control software, and the on-off state of each LED display screen in the spliced screen and each display parameter of each LED display screen in the spliced screen can be controlled through software setting.
The invention analyzes and sets the reference values of brightness, contrast, definition and color saturation of each LED display screen in the spliced screen by acquiring the characteristic information of each LED display screen in the spliced screen and the display content type, the ambient brightness, the watching distance and the application scene of the spliced screen; and comprehensively evaluating proper display parameters of the LED display screen from multiple dimensions, and ensuring that the display effect of the spliced display screen is optimal, thereby ensuring the display picture quality of the spliced display screen and the visual experience of audiences.
The LED display screen display image acquisition and transmission module is used for acquiring the display proportion of the spliced screen and the layout and arrangement direction of the LED display screens in the spliced screen, scaling, cutting and dividing the input image of the spliced screen to obtain the display image of each LED display screen in the spliced screen, and transmitting the display image.
The specific analysis process of the LED display screen display image acquisition and transmission module is as follows: and obtaining the display proportion of the spliced screen, and further scaling and cutting the input image of the spliced screen according to a preset principle.
The method comprises the steps of obtaining the layout and arrangement direction of LED display screens in a spliced screen, obtaining the number of columns of the transverse LED display screens and the number of rows of the longitudinal LED display screens in the spliced screen, further conducting grid segmentation on input images of the spliced screen according to a preset equal area principle, obtaining all sub-images of the input images of the spliced screen, enabling all the sub-images of the input images of the spliced screen to correspond to all the LED display screens in the spliced screen one by one, obtaining the display images of all the LED display screens in the spliced screen, and conducting transmission.
As a preferred embodiment, the display scale of the spliced screen represents the scale between the width and the height of the spliced screen.
As a preferable scheme, clipping the input image of the spliced screen means removing a border area in the input image of the spliced screen, and reserving an area corresponding to main content.
As a preferable scheme, the sizes of the LED display screens in the spliced screen are completely consistent.
As a preferable scheme, the arrangement direction of the LED display screens in the spliced screen comprises transverse arrangement and longitudinal arrangement.
As a preferable scheme, the input image of the spliced screen is subjected to zooming, cutting, segmentation and other treatments, so that the input image of the spliced screen is adapted to splicing of the spliced screen, and the consistency and the continuity of the image display of the spliced screen are ensured.
As a preferable scheme, the display images of the LED display screens in the spliced screen can be transmitted in a network communication mode, a video input interface mode, a data line mode or an optical fiber mode. Meanwhile, data synchronization among all LED display screens in the spliced screen is required to be ensured, so that continuity and consistency of image display of the spliced screen are ensured.
The LED display screen spliced display effect monitoring module is used for acquiring corresponding pictures when the spliced display screens are displayed, recording the pictures as pictures to be analyzed, acquiring various display parameters of each LED display screen in the spliced display screens in the pictures to be analyzed, and recording the display parameters as observation values of various display parameters in each LED display screen in the spliced display screens.
The LED display screen display parameter adjustment judging module is used for analyzing the balance coefficient of each display parameter in each LED display screen in the spliced screen according to the observed value of each display parameter in each LED display screen in the spliced screen, judging whether each display parameter of each LED display screen in the spliced screen needs to be adjusted, and if so, recording each display parameter of each LED display screen needing to be adjusted in the spliced screen as each appointed display parameter of each target LED display screen in the spliced screen.
The specific analysis process of the LED display screen display parameter adjustment judging module comprises the following steps:
the observed value of each display parameter in each LED display screen in the spliced screen is recorded as d pi P represents the number of the p-th LED display screen in the tiled screen, p=1, 2,..q;
comparing the observed values of the display parameters of the LED display screens in the spliced screen to obtain the mode of the observed values of the display parameters of the LED display screens in the spliced screen, and marking the mode as the reference value of the display parameters of the LED display screens in the spliced screen and representing the reference value as
Obtaining the equalization coefficient phi of the display parameters of each LED display screen in the spliced screen through formulated analysis pi The specific analysis formula is as follows:
wherein ε represents a correction factor of a preset equalization coefficient, e represents a natural constant, and Δd i A threshold value representing a difference between an observed value and a reference value of a preset ith display parameter.
The specific analysis process of the LED display screen display parameter adjustment judging module further comprises the following steps:
comparing the balance coefficient of each display parameter in each LED display screen in the spliced screen with a preset balance coefficient threshold, if the balance coefficient of a certain display parameter in a certain LED display screen in the spliced screen is smaller than the preset balance coefficient threshold, the display parameter in the LED display screen in the spliced screen needs to be regulated, counting to obtain each display parameter of each LED display screen needing to be regulated in the spliced screen, and recording each display parameter as each appointed display parameter of each target LED display screen in the spliced screen.
The LED display screen display parameter correction and debugging module is used for acquiring the observed values of the specified display parameters in each target LED display screen in the spliced screen, analyzing the correction direction and correction amount of the specified display parameters in each target LED display screen in the spliced screen, and further debugging each target LED display screen in the spliced screen.
The specific analysis process of the LED display screen display parameter correction debugging module is as follows:
s1: screening to obtain the observed values of each appointed display parameter in each target LED display screen in the spliced screen according to the observed values of each display parameter in each LED display screen in the spliced screen;
according to the reference values of the display parameters of the LED display screens in the spliced screen, obtaining the reference values of the display parameters of the LED display screens in the spliced screen, and further screening to obtain the reference values of the appointed display parameters of the target LED display screens in the spliced screen;
as a preferable scheme, the reference values of the display parameters of the LED display screens in the spliced screen are correspondingly equal, and the reference values of the display parameters of the LED display screens in the spliced screen are the reference values of the display parameters of the LED display screens in the spliced screen;
comparing the observed value of each appointed display parameter in each target LED display screen in the spliced screen with a reference value to obtain a difference value between the observed value of each appointed display parameter in each target LED display screen in the spliced screen and the reference value, and marking the difference value as the deviation of each appointed display parameter in each target LED display screen in the spliced screen;
s2: taking absolute values of deviation of each appointed display parameter in each target LED display screen in the spliced screen as correction amounts of each appointed display parameter in each target LED display screen in the spliced screen;
s3: acquiring symbols of deviation of each appointed display parameter in each target LED display screen in the spliced screen, and further acquiring correction directions of each appointed display parameter in each target LED display screen in the spliced screen;
as a preferable scheme, the correction direction of each appointed display parameter in each target LED display screen in the spliced screen is obtained, and the specific method comprises the following steps: acquiring symbols of specified display parameter deviation in each target LED display screen in the spliced screen, and if the symbols of the display parameter deviation are positive symbols, the observed value of the display parameter is larger than a reference value, and the correction direction of the display parameter is reduced; if the sign of the display parameter deviation is negative, the observed value of the display parameter is smaller than the reference value, and the correction direction of the display parameter is increased;
further counting to obtain correction directions of specified display parameters in each target LED display screen in the spliced screen;
s4: debugging each target LED display screen in the spliced screen according to the correction direction and correction amount of each appointed display parameter in each target LED display screen in the spliced screen;
the invention analyzes the balance coefficient of each display parameter in each LED display screen in the spliced screen by acquiring the observation value of each display parameter in each LED display screen in the spliced screen, judges whether each display parameter of each LED display screen in the spliced screen needs to be regulated, further acquires the correction direction and correction amount of the display parameter, and debugs; the actual display effect of the spliced screen is monitored, and then the display parameters of the LED display screen are adaptively adjusted, so that a better display effect is obtained, the viewing experience is improved, and the method is favorable for attracting audiences and transmitting clear information.
The database is used for storing characteristic information of each LED display screen in the spliced screen and recommended values of each display parameter of the spliced screen in each application scene.
The foregoing is merely illustrative and explanatory of the principles of this invention, as various modifications and additions may be made to the specific embodiments described, or similar arrangements may be substituted by those skilled in the art, without departing from the principles of this invention or beyond the scope of this invention as defined in the claims.
Claims (10)
1. An LED display module splice control system, comprising:
the LED display screen reference display parameter acquisition module: the method comprises the steps of acquiring characteristic information of each LED display screen in a spliced screen, acquiring display content type, environment brightness, viewing distance and application scene of the spliced screen, analyzing reference values of each display parameter in each LED display screen in the spliced screen, wherein the display parameters comprise brightness, contrast ratio, definition and color saturation, and further setting each display parameter of each LED display screen in the spliced screen;
the LED display screen display image acquisition and transmission module comprises: the method comprises the steps of obtaining the display proportion of a spliced screen and the layout and arrangement directions of LED display screens in the spliced screen, scaling, cutting and dividing an input image of the spliced screen to obtain display images of all the LED display screens in the spliced screen, and transmitting the display images;
LED display screen splice display effect monitoring module: the method comprises the steps of obtaining a corresponding photo when a spliced screen is displayed, marking the photo as a photo to be analyzed, obtaining each display parameter of each LED display screen in the spliced screen in the photo to be analyzed, and marking the photo as an observed value of each display parameter in each LED display screen in the spliced screen;
the LED display screen display parameter adjustment judging module comprises: the method comprises the steps of analyzing balance coefficients of all display parameters in each LED display screen in a spliced screen according to observed values of all display parameters in each LED display screen in the spliced screen, judging whether all display parameters of each LED display screen in the spliced screen need to be adjusted, and if so, recording all display parameters of each LED display screen needing to be adjusted in the spliced screen as all appointed display parameters of each target LED display screen in the spliced screen;
the LED display screen display parameter correction and debugging module comprises: used for obtaining the observed values of each appointed display parameter in each target LED display screen in the spliced screen, analyzing correction directions and correction amounts of specified display parameters in each target LED display screen in the spliced screen, and further debugging each target LED display screen in the spliced screen;
database: the method is used for storing characteristic information of each LED display screen in the spliced screen and recommended values of each display parameter of the spliced screen in each application scene.
2. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen reference display parameter acquisition module comprises the following steps:
extracting characteristic information of each LED display screen in the spliced screen stored in the database, obtaining the range of each display parameter of each LED display screen in the spliced screen, further obtaining the upper limit value of each display parameter in each LED display screen in the spliced screen, comparing the upper limit values of each display parameter in each LED display screen in the spliced screen with each other, obtaining the minimum upper limit value of each display parameter of each LED display screen in the spliced screen, and marking the minimum upper limit value as a first reference value of each display parameter of the spliced screen.
3. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps:
acquiring display content types of the spliced screen, setting proper values of various display parameters of the spliced screen corresponding to the display content types, screening to obtain proper values of various display parameters of the spliced screen corresponding to the display content types of the spliced screen, and recording the proper values as second reference values of various display parameters of the spliced screen.
4. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps:
according to a preset principle, arranging detection points in the surrounding area of the spliced screen, acquiring the brightness of the detection points in the surrounding area of the spliced screen through a light sensor, carrying out average value calculation to obtain the environment brightness of the spliced screen, setting the proper values of the display parameters of the spliced screen corresponding to the environment brightness range, screening to obtain the proper values of the display parameters of the spliced screen corresponding to the environment brightness of the spliced screen, and marking the proper values as third reference values of the display parameters of the spliced screen.
5. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps:
and obtaining the viewing distance required by the user of the spliced screen, recording the viewing distance as the viewing distance of the spliced screen, setting the proper values of the display parameters of the spliced screen corresponding to the viewing distance ranges, screening to obtain the proper values of the display parameters of the spliced screen corresponding to the viewing distance of the spliced screen, and recording the proper values as the fourth reference values of the display parameters of the spliced screen.
6. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen reference display parameter acquisition module further comprises the following steps:
acquiring application scenes of the spliced screen, extracting recommended values of all display parameters of the spliced screen under all application scenes stored in a database, screening to obtain recommended values of all display parameters of the spliced screen corresponding to the application scenes of the spliced screen, and recording the recommended values as fifth reference values of all display parameters of the spliced screen;
respectively marking a first reference value, a second reference value, a third reference value, a fourth reference value and a fifth reference value of each display parameter of the spliced screen asWherein i represents the number of the ith display parameter of the spliced screen, i=1, 2,3,4, the 1 st, 2 nd, 3 rd and 4 th display parameters of the spliced screen are brightness, contrast, definition and color saturation in sequence, and the reference value of each display parameter of the spliced screen is obtained through formulation analysis>The specific analysis formula is as follows:
wherein delta 1 、δ 2 、δ 3 、δ 4 、δ 5 Weight factors respectively representing preset first reference value, second reference value, third reference value, fourth reference value and fifth reference value, delta 1 +δ 2 +δ 3 +δ 4 +δ 5 ＝1；
According to the reference values of the display parameters of the spliced screen, the reference values of the display parameters of the LED display screens in the spliced screen are obtained, and the display parameters of the LED display screens in the spliced screen are further set.
7. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen display image acquisition and transmission module is as follows:
acquiring the display proportion of the spliced screen, and further scaling and cutting the input image of the spliced screen according to a preset principle;
the method comprises the steps of obtaining the layout and arrangement direction of LED display screens in a spliced screen, obtaining the number of columns of the transverse LED display screens and the number of rows of the longitudinal LED display screens in the spliced screen, further conducting grid segmentation on input images of the spliced screen according to a preset equal area principle, obtaining all sub-images of the input images of the spliced screen, enabling all the sub-images of the input images of the spliced screen to correspond to all the LED display screens in the spliced screen one by one, obtaining the display images of all the LED display screens in the spliced screen, and conducting transmission.
8. The LED display module splice control system of claim 6, wherein: the specific analysis process of the LED display screen display parameter adjustment judging module comprises the following steps:
the observed value of each display parameter in each LED display screen in the spliced screen is recorded as d pi P represents the number of the p-th LED display screen in the tiled screen, p=1, 2,..q;
the display parameters of the LED display screens in the spliced screen are displayedThe observed values are compared with each other to obtain the modes of the observed values of all display parameters of the LED display screen in the spliced screen, and the modes are recorded as the reference values of all display parameters of the LED display screen in the spliced screen and expressed as
Obtaining the equalization coefficient phi of the display parameters of each LED display screen in the spliced screen through formulated analysis pi The specific analysis formula is as follows:
wherein ε represents a correction factor of a preset equalization coefficient, e represents a natural constant, and Δd i A threshold value representing a difference between an observed value and a reference value of a preset ith display parameter.
9. The LED display module splice control system of claim 1, wherein: the specific analysis process of the LED display screen display parameter adjustment judging module further comprises the following steps:
comparing the balance coefficient of each display parameter in each LED display screen in the spliced screen with a preset balance coefficient threshold, if the balance coefficient of a certain display parameter in a certain LED display screen in the spliced screen is smaller than the preset balance coefficient threshold, the display parameter in the LED display screen in the spliced screen needs to be regulated, counting to obtain each display parameter of each LED display screen needing to be regulated in the spliced screen, and recording each display parameter as each appointed display parameter of each target LED display screen in the spliced screen.
10. The LED display module splice control system of claim 8, wherein: the specific analysis process of the LED display screen display parameter correction debugging module is as follows:
s1: screening to obtain the observed values of each appointed display parameter in each target LED display screen in the spliced screen according to the observed values of each display parameter in each LED display screen in the spliced screen;
according to the reference values of the display parameters of the LED display screens in the spliced screen, obtaining the reference values of the display parameters of the LED display screens in the spliced screen, and further screening to obtain the reference values of the appointed display parameters of the target LED display screens in the spliced screen;
comparing the observed value of each appointed display parameter in each target LED display screen in the spliced screen with a reference value to obtain a difference value between the observed value of each appointed display parameter in each target LED display screen in the spliced screen and the reference value, and marking the difference value as the deviation of each appointed display parameter in each target LED display screen in the spliced screen;
s2: taking absolute values of deviation of each appointed display parameter in each target LED display screen in the spliced screen as correction amounts of each appointed display parameter in each target LED display screen in the spliced screen;
s3: acquiring symbols of deviation of each appointed display parameter in each target LED display screen in the spliced screen, and further acquiring correction directions of each appointed display parameter in each target LED display screen in the spliced screen;
s4: and debugging each target LED display screen in the spliced screen according to the correction direction and correction amount of each appointed display parameter in each target LED display screen in the spliced screen.
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Inventor after: Zhang Qi Inventor after: Cai Chuangen Inventor after: Tang Yuefen Inventor after: Wu Haiyan Inventor before: Zhang Qi Inventor before: Cai Chuangen Inventor before: Tang Yuefen Inventor before: Wu Haiyan |