CN103198808B - Liquid crystal display splicing wall curtain display control program - Google Patents
Liquid crystal display splicing wall curtain display control program Download PDFInfo
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- CN103198808B CN103198808B CN201310136819.6A CN201310136819A CN103198808B CN 103198808 B CN103198808 B CN 103198808B CN 201310136819 A CN201310136819 A CN 201310136819A CN 103198808 B CN103198808 B CN 103198808B
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Abstract
The present invention discloses a kind of liquid crystal display splicing wall curtain display control program, by signal processing unit, signal is processed, between signal processing unit with splicing curtain wall unit, each screen only needs to be connected a DVI signal wire and just can normally use, it is simple that signal connects input structure, not only be easy to display and control management, and the trouble spot of liquid crystal spliced curtain wall is few, stability is high.
Description
Technical field
The present invention relates to screen display signal control field, exactly refer to a kind of liquid crystal display splicing wall curtain display control program.
Background technology
Liquid crystal spliced curtain wall can use as display separately, can be spliced into again jumbotron and use.According to different user demand, realize the variable changeable large-size screen monitors function that also can diminish greatly: single screen segmentation display, single screen show separately, combination in any shows, full frame liquid crystal-spliced, dual splicing liquid crystal display splices, perpendicular screen display is shown, the optional compensation of framing mask or covering, support the roaming of digital signal, convergent-divergent stretching, show across screen display, the setting of various display prediction scheme and operation, full HD real time signal processing.Liquid crystal spliced curtain wall is complete finished product, namely hangs i.e. use, installs just as playing with building blocks simple, the using and install all very simple of single or multiple liquid crystal spliced curtain wall.Only there is the width of several millimeters liquid crystal-spliced edge, and tempered glass protective seam, built-in intelligence temperature control alarm circuit and distinctive " faling apart soon " cooling system are also with in surface, complete.
At present, existing liquid crystal spliced curtain wall not only needs to adapt to support digital signal input, good needs adapts to support the input to simulating signal, this just causes the signaling interface of liquid crystal spliced curtain wall and signal wire very many, the such as liquid crystal spliced curtain wall of 2 × 2, if there are four kinds of signal inputs to come in, each liquid crystal spliced curtain wall just needs 4 signaling interfaces and connects 4 signal line, relevant matrix then reaches 4 × 4 more than to the signaling interface of whole large liquid crystal spliced curtain wall and signal wire, signal connects the complex structure of input, also display and control is unfavorable for accordingly, the trouble spot of whole liquid crystal spliced curtain wall is caused to be increased, stability reduces.
Summary of the invention
For above-mentioned defect, the technical matters that the present invention solves is to provide a kind of liquid crystal display splicing wall curtain display control program, between signal processing unit with splicing curtain wall unit, each screen only needs to be connected a DVI signal wire and just can normally use, it is simple that signal connects input structure, not only be easy to display and control management, and the trouble spot of liquid crystal spliced curtain wall is few, stability is high.
In order to solve above technical matters, liquid crystal display splicing wall curtain display control program provided by the invention, comprises signal processing unit, splicing curtain wall unit, support unit and control computer, wherein:
Signal processing unit comprises signal analog/digital conversion module, parallel image collection and calibration module, image pre-processing module, image cropping module, imaging importing module, color space transformation module, luminance adjustment module, colourity adjustment module, gamma color calibration module, sequential output module, embedded type control module and system video memory administration module; Analog/digital conversion is carried out to the various simulating signals of input, format conversion is carried out to digital signal, the various image Parallel Processing gathered, be input to parallel image place and gather and calibration module; Then pre-service is carried out to various digital picture, pretreated image is divided into two classes simultaneously, one class carries out overlap-add procedure to digital picture, another kind of is cut out process to digital picture, by carrying out comprehensive color space transformation to image after above-mentioned two kinds of process, be divided into two-way again after having processed, one carries out brightness adjustment, and one carries out colourity adjustment; Adjust the rear gamma comprehensively carrying out color to correct, the final clock signal produced needed for output; Then on mainboard, carry out subpackage process, be finally sent to output board and get on Graphics Processing; System video memory administration module is Memory Allocation to each digital signal processing module above-mentioned, is discharged into line pipe control; Timing arbitration in the middle of whole processing procedure, processed are processed by embedded type control module, and the function of described embedded type control module is completed by embedded type CPU;
Splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as common computer display, image or video is shown;
Support unit is placed signal processing unit, carries out position put splicing curtain wall unit;
Described control computer prepackage processing controls software, described processing controls software is undertaken carrying out exchanges data with the communication module of signal processing unit by netting twine or serial ports, described communication module is sent to described embedded type control module by after corresponding steering order decoding, and then realizes the object of control.
Preferably, described image pre-processing module comprises image scaling module and image filters module, and described image scaling module carries out convergent-divergent process to image, the filtering process that described image filters module is disturbed image.
Preferably, described embedded type control module be NiosII, 8051, the one of the instruction set CPU such as ARM, AVR, PIC or Z80.
Preferably, described digital signal comprises DVI and HDMI; Described simulating signal comprises AV, VGA and YPbPr; Described output signal comprises DVI or VGA.
Liquid crystal display splicing wall curtain display control program provided by the invention, the various simulating signals of signal processing unit to input carry out analog/digital conversion, format conversion is carried out to digital signal, the various image Parallel Processing gathered, is input to parallel image place and gathers and calibration module; Then pre-service is carried out to various digital picture, pretreated image is divided into two classes simultaneously, one class carries out overlap-add procedure to digital picture, another kind of is cut out process to digital picture, by carrying out comprehensive color space transformation to image after above-mentioned two kinds of process, be divided into two-way again after having processed, one carries out brightness adjustment, and one carries out colourity adjustment; Adjust the rear gamma comprehensively carrying out color to correct, the final clock signal produced needed for output; Then on mainboard, carry out subpackage process, be finally sent to output board and get on Graphics Processing; Splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as common computer display, image or video is shown.Compared with prior art, liquid crystal display splicing wall curtain display control program provided by the invention, between signal processing unit with splicing curtain wall unit, each screen only needs to be connected a DVI signal wire and just can normally use, it is simple that signal connects input structure, not only be easy to display and control management, and the trouble spot of liquid crystal spliced curtain wall is few, stability is high.
Accompanying drawing explanation
Fig. 1 is the workflow block diagram of signal processing unit in embodiment of the present invention liquid crystal display splicing wall curtain display control program.
Embodiment
In order to those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
Refer to Fig. 1, this figure is the workflow block diagram of signal processing unit in embodiment of the present invention liquid crystal display splicing wall curtain display control program.
The liquid crystal display splicing wall curtain display control program that the embodiment of the present invention provides, comprises signal processing unit, splicing curtain wall unit, support unit and control computer, wherein:
Signal processing unit comprises signal analog/digital conversion module, parallel image collection and calibration module, image pre-processing module, image cropping module, imaging importing module, color space transformation module, luminance adjustment module, colourity adjustment module, gamma color calibration module, sequential output module, embedded type control module and system video memory administration module; Analog/digital conversion is carried out to the various simulating signals of input, format conversion is carried out to digital signal, the various image Parallel Processing gathered, be input to parallel image place and gather and calibration module; Then pre-service is carried out to various digital picture, pretreated image is divided into two classes simultaneously, one class carries out overlap-add procedure to digital picture, another kind of is cut out process to digital picture, by carrying out comprehensive color space transformation to image after above-mentioned two kinds of process, be divided into two-way again after having processed, one carries out brightness adjustment, and one carries out colourity adjustment; Adjust the rear gamma comprehensively carrying out color to correct, the final clock signal produced needed for output; Then on mainboard, carry out subpackage process, be finally sent to output board and get on Graphics Processing; System video memory administration module is Memory Allocation to each digital signal processing module above-mentioned, is discharged into line pipe control; Timing arbitration in the middle of whole processing procedure, processed are processed by embedded type control module, and the function of embedded type control module is completed by NiosII embedded type CPU;
Splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as common computer display, image or video is shown;
Support unit is placed signal processing unit, carries out position put splicing curtain wall unit;
Control computer prepackage processing controls software, processing controls software is undertaken carrying out exchanges data with the communication module of signal processing unit by netting twine or serial ports, communication module is sent to embedded type control module by after corresponding steering order decoding, and then realizes the object of control.
Image pre-processing module comprises image scaling module and image filters module, and image scaling module carries out convergent-divergent process to image, the filtering process that image filters module is disturbed image.
Digital signal comprises DVI and HDMI; Simulating signal comprises AV, VGA and YPbPr; Output signal comprises DVI or VGA.
Compared with prior art, liquid crystal display splicing wall curtain display control program provided by the invention, between signal processing unit with splicing curtain wall unit, each screen only needs to be connected a DVI signal wire and just can normally use, it is simple that signal connects input structure, not only be easy to display and control management, and the trouble spot of liquid crystal spliced curtain wall is few, stability is high.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a liquid crystal display splicing wall curtain display control program, is characterized in that, comprises signal processing unit, splicing curtain wall unit, support unit and control computer, wherein:
Signal processing unit comprises signal analog/digital conversion module, parallel image collection and calibration module, image pre-processing module, image cropping module, imaging importing module, color space transformation module, luminance adjustment module, colourity adjustment module, gamma color calibration module, sequential output module, embedded type control module and system video memory administration module; Analog/digital conversion is carried out to the various simulating signals of input, format conversion is carried out to digital signal, the various image Parallel Processing gathered, be input to parallel image collection and calibration module; Then pre-service is carried out to various digital picture, pretreated image is divided into two classes simultaneously, one class carries out overlap-add procedure to digital picture, another kind of is cut out process to digital picture, by carrying out comprehensive color space transformation to image after two above-mentioned class process, be divided into two-way again after having processed, brightness adjustment is carried out on a road, and colourity adjustment is carried out on a road; Adjust the rear gamma comprehensively carrying out color to correct, the final clock signal produced needed for output; Then on mainboard, carry out subpackage process, be finally sent to output board and get on Graphics Processing; System video memory administration module is Memory Allocation to each digital signal processing module, is discharged into line pipe control; Timing arbitration in the middle of whole processing procedure, processed are processed by embedded type control module, and the function of described embedded type control module is completed by embedded type CPU;
Splicing curtain wall unit receives the DVI signal from the sequential output module of signal processing unit, and as common computer display, image or video is shown;
Support unit is placed signal processing unit, carries out position put splicing curtain wall unit;
Described control computer prepackage processing controls software, described processing controls software is undertaken carrying out exchanges data with the communication module of signal processing unit by netting twine or serial ports, described communication module is sent to described embedded type control module by after corresponding steering order decoding, and then realizes the object of control.
2. liquid crystal display splicing wall curtain display control program according to claim 1, it is characterized in that, described image pre-processing module comprises image scaling module and image filters module, described image scaling module carries out convergent-divergent process to image, the filtering process that described image filters module is disturbed image.
3. liquid crystal display splicing wall curtain display control program according to claim 1, is characterized in that, described embedded type control module be NiosII, 8051, the one of ARM, AVR, PIC or Z80 instruction set CPU.
4. liquid crystal display splicing wall curtain display control program according to claim 1, it is characterized in that, described digital signal comprises DVI and HDMI; Described simulating signal comprises AV, VGA and YPbPr; Output signal comprises DVI or VGA.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310136819.6A CN103198808B (en) | 2013-04-18 | 2013-04-18 | Liquid crystal display splicing wall curtain display control program |
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| CN201310136819.6A CN103198808B (en) | 2013-04-18 | 2013-04-18 | Liquid crystal display splicing wall curtain display control program |
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| CN103198808B true CN103198808B (en) | 2015-08-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103595927B (en) * | 2013-07-19 | 2017-04-12 | 北京淳中科技股份有限公司 | Image splicing signal processing system |
| KR102079918B1 (en) * | 2013-12-26 | 2020-04-07 | 한화테크윈 주식회사 | System and method for controlling video wall |
| CN106502601A (en) * | 2015-09-07 | 2017-03-15 | 江苏清投视讯科技有限公司 | A kind of liquid crystal wall splicing system transmitted based on Internet of Things |
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| US6404915B1 (en) * | 1998-07-21 | 2002-06-11 | Silitek Corporation | Image acquiring apparatus |
| US7961157B2 (en) * | 2007-05-14 | 2011-06-14 | Christie Digital Systems Usa, Inc. | Configurable imaging system |
| CN101540160A (en) * | 2009-02-27 | 2009-09-23 | 上海长臣电子设备有限公司 | System for splicing display screens and control method thereof |
| CN202218317U (en) * | 2011-08-02 | 2012-05-09 | 杭州恒胜电子科技有限公司 | Image mosaic controller |
| CN103021368B (en) * | 2012-12-24 | 2016-03-30 | 广东响石数码科技有限公司 | A kind of Novel liquid crystal curtain wall splicing system |
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Effective date of registration: 20160629 Address after: 511400 Guangdong Province, Guangzhou City Southern towns south of Panyu District Cao Tang Cun He Xi Lu 2-1 Building No. 2 Patentee after: Guangzhou poly Electronic Equipment Co., Ltd. Address before: 511442 Guangdong Province, Guangzhou City Southern towns Panyu District Cao Tang Cun He Xi Road No. 2-1 east of the first floor Patentee before: Guangzhou GuanTai Digital Display Equipment Co., Ltd. |
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