Display control system and method applied to LED large screen and medium

Abstract

The invention discloses a display control system applied to an LED large screen, which comprises a main control module, a display control module, a decoding module and a sensing module, the decoding module is integrated in the main control module, the main control module is also integrated with a plurality of data interfaces, and the main control module also provides an API communication protocol of a control layer of the LED large screen system and supports management of the display control system at an application end; compared with the prior art, the method has the beneficial effects that the brightness and the resolution of the LED large screen can be intelligently and automatically adjusted, the system deployment is flexible, the energy consumption of the LED large screen can be effectively reduced, and the comprehensive service life of the LED large screen is prolonged.

Description

Technical Field

[0001] The present invention relates to the field of large-screen display technology, and in particular to a display control system, method and medium applied to a large LED screen. Background Art

[0002] With the rapid development of information technology, LED display screens, as an important information dissemination tool, are widely used in various public places and commercial activities. However, the traditional LED display control system has problems such as complex operation and lack of intelligence. It is difficult to meet the modern information dissemination requirements of accuracy, efficiency and intelligence. In addition, LED large-screen equipment also has problems of high energy consumption and large heat dissipation.

[0003] At present, the devices that support display brightness and resolution adjustment technology mainly include mobile phones, mobile PCs, etc. Due to the differences in the working principles and usage scenarios of the devices, these technologies cannot be directly transplanted to large-screen LED devices for use, which has problems. Summary of the invention

[0004] In view of the defects in the prior art, the present invention provides a display control system, method and medium applied to a large LED screen to solve the existing problems.

[0005] The present invention is realized through the following technical scheme: a display and control system applied to a large LED screen, comprising a main control module, a display and control module, a decoding module and a perception module. The decoding module is concentrated in the main control module. The main control module also integrates multiple data interfaces. The main control module also provides an API communication protocol for the control layer of the LED large screen system, and supports the management of the display and control system at the application end.

[0006] Preferably, the main control module mainly adopts the ARM architecture RK35XX platform in terms of hardware, and integrates a GPU that can support 8K video image encoding and decoding, which is used as a decoding module.

[0007] Preferably, the perception module includes a photoelectric sensor of an LED display and control unit and a distance perception unit that supports brightness and distance monitoring; the software is based on the Linux operating system and an operating environment that can support the deployment of an AI perception system. In addition, the main control module also provides a system control layer API communication protocol to support data communication and system management on the application side.

[0008] A display control method applied to a large LED screen, characterized in that it includes the following steps: S1, collects the surrounding light intensity of the LED large screen device in real time through the photoelectric sensor; S2, sending the data to the main control module, which compares and analyzes the data, and obtains the optimal brightness data after presetting the light intensity and corresponding brightness mapping function; S3, sending adjustment instructions to the display control module, which controls the LED driver chip to adjust the LED brightness in real time through PWM (pulse width modulation); S4, the distance sensing unit uses binocular cameras to monitor people and distance, monitors the audience in front of the LED large screen in real time, and collects the distance between the main audience and the LED large screen and sends it to the main control module; S5, the main control module compares and analyzes the data, obtains the optimal resolution data after presetting the audience distance and the corresponding resolution mapping function, and sends an adjustment instruction to the display control module; S6, the display control module controls the LED driver chip to adjust the resolution of the LED large screen by turning on or off the LED lamp beads at specific positions.

[0009] A display control medium applied to a large LED screen, on which a computer program is stored, characterized in that: when the computer program is executed by a processor, it implements the display control method applied to a large LED screen as described in claim 4.

[0010] The beneficial effects of the present invention are as follows: compared with the prior art, the brightness and resolution of the LED large screen can be intelligently and automatically adjusted, the system deployment is flexible, the energy consumption of the LED large screen can be effectively reduced, and the comprehensive service life of the LED large screen can be increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0012] Figure 1 It is a schematic diagram of the overall framework of the present invention; Figure 2 It is a schematic diagram of the structure of the computer-readable storage medium of the present invention. DETAILED DESCRIPTION

[0013] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0014] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0015] For ease of description, spatial relative terms such as "upper," "lower," "left," and "right" may be used herein to describe the relationship of one element or feature shown in a figure relative to another element or feature. It should be understood that the spatial terms are intended to include different orientations of the device in use or operation in addition to the orientation shown in the figures. For example, if the device in the figure is inverted, elements described as being "below" other elements or features will be positioned "above" the other elements or features. Thus, the exemplary term "below" may include both upper and lower orientations.

[0016] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0017] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation of the present invention is described in detail below in conjunction with specific embodiments: Figure 1-Figure 2 The present invention is implemented through the following technical solutions: a display and control system applied to a large LED screen, comprising a main control module, a display and control module, a decoding module and a perception module. The decoding module is concentrated in the main control module. The main control module also integrates multiple data interfaces. The main control module also provides an API communication protocol for the control layer of the LED large screen system, and supports the management of the display and control system on the application side.

[0018] The hardware of the main control module mainly adopts the ARM architecture RK35XX platform, which integrates a GPU that can support 8K video image encoding and decoding and is used as a decoding module.

[0019] The perception module consists of a photoelectric sensor for the LED display and control unit and a distance perception unit that supports brightness and distance monitoring. The software is based on the Linux operating system and an operating environment that can support the deployment of AI perception systems. In addition, the main control module also provides a system control layer API communication protocol to support data communication and system management on the application side.

[0020] A display control method applied to a large LED screen, characterized in that it includes the following steps: S1, collects the surrounding light intensity of the LED large screen device in real time through the photoelectric sensor; S2, sending the data to the main control module, which compares and analyzes the data, and obtains the optimal brightness data after presetting the light intensity and corresponding brightness mapping function; S3, sending adjustment instructions to the display control module, which controls the LED driver chip to adjust the LED brightness in real time through PWM (pulse width modulation); S4, the distance sensing unit uses binocular cameras to monitor people and distance, monitors the audience in front of the LED large screen in real time, and collects the distance between the main audience and the LED large screen and sends it to the main control module; S5, the main control module compares and analyzes the data, obtains the optimal resolution data after presetting the audience distance and the corresponding resolution mapping function, and sends an adjustment instruction to the display control module; S6, the display control module controls the LED driver chip to adjust the resolution of the LED large screen by turning on or off the LED lamp beads at specific positions.

[0021] A display control medium applied to a large LED screen, on which a computer program is stored, characterized in that: when the computer program is executed by a processor, it implements the display control method applied to a large LED screen as described in claim 4.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A display and control system applied to LED large screens, including a main control module, a display and control module, a decoding module and a perception module. The decoding module is concentrated in the main control module. The main control module also integrates multiple data interfaces. The main control module also provides an API communication protocol for the control layer of the LED large screen system to support the management of the display and control system on the application side.

2. According to claim 1, a display control system for a large LED screen is characterized in that: The hardware of the main control module mainly adopts the ARM architecture RK35XX platform, which integrates a GPU that can support 8K video image encoding and decoding and is used as a decoding module.

3. The display control system for LED large screen according to claim 1, characterized in that: The perception module includes a photoelectric sensor of an LED display and control unit and a distance perception unit that supports brightness and distance monitoring; the software is based on the Linux operating system and an operating environment that can support the deployment of an AI perception system. In addition, the main control module also provides a system control layer API communication protocol to support data communication and system management on the application side.

4. A display control method applied to a large LED screen, characterized in that: The following steps are involved: S1, collects the surrounding light intensity of the LED large screen device in real time through the photoelectric sensor; S2, sending the data to the main control module, which compares and analyzes the data, and obtains the optimal brightness data after presetting the light intensity and corresponding brightness mapping function; S3, sending adjustment instructions to the display control module, which controls the LED driver chip to adjust the LED brightness in real time through PWM (pulse width modulation); S4, the distance sensing unit uses binocular cameras to monitor people and distance, monitors the audience in front of the LED large screen in real time, and collects the distance between the main audience and the LED large screen and sends it to the main control module; S5, the main control module compares and analyzes the data, obtains the optimal resolution data after presetting the audience distance and the corresponding resolution mapping function, and sends an adjustment instruction to the display control module; S6, the display control module controls the LED driver chip to adjust the resolution of the LED large screen by turning on or off the LED lamp beads at specific positions.

5. A display control medium applied to a large LED screen, on which a computer program is stored, characterized in that: The computer program, when executed by a processor, implements a display control method for a large LED screen as described in claim 4.

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