CN101282426A - Video television wall equipment and setting method thereof - Google Patents
Video television wall equipment and setting method thereof Download PDFInfo
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- CN101282426A CN101282426A CNA2008103013830A CN200810301383A CN101282426A CN 101282426 A CN101282426 A CN 101282426A CN A2008103013830 A CNA2008103013830 A CN A2008103013830A CN 200810301383 A CN200810301383 A CN 200810301383A CN 101282426 A CN101282426 A CN 101282426A
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Abstract
The invention relates to a digital multimedia technology, providing a video television wall equipment which realizes a video television wall without employment of video dividing equipments and setting method thereof. The technical solution is: a video television wall equipment, which is characterized in that, including n terminal display systems and video signal distributors, the video signal distributors divides the input signal into n-path outputs, the n output ports are connected with the n terminal display systems; the terminal display systems can full-screen display a part of the image according to the preset screen division number. The invention has advantages that complex and expensive video dividing equipments are not employed, cost is saved, which is suitable for large-screen television walls.
Description
Technical field
The present invention relates to a kind of digital multimedia technology, particularly the video TV wall technology.
Background technology
Fast development along with commercial and advertising, the demand of large-screen tv wall Display Technique more and more widely, and the effect of performance is also increasing, but the mode that is used to realize video wall in the market mainly is to adopt a plurality of little flat-panel monitors the vision signal dividing processing to be transferred to independently small displays after good respectively by the video dispenser to show demonstration again after the combination, this method realizes that technology is at present by the market extensive use, its characteristics are mainly: 1, special video of vision signal needs is cut apart (cutting) equipment and is cut apart in advance, sub-video after will cutting apart then (generally being the part of a width of cloth intact video images) is sent to each display terminal module respectively, individual processing in display module separately, show separately, finally finish the demonstration of video TV wall by the physical combination of receiving element.Key features is, for terminal show, receiving element, the just part image signal of its processing; 2, the core of this technology is the video dispenser, its cost is cut apart how much being not quite similar of block according to video, do not wait from several ten thousand to hundreds of thousands approximately, this just causes the whole cost of this implementation higher, and increase with the video wall number of unit, the cost increase is bigger, the technical factor that produces this problem is, the video splitting equipment is with the increase of partitioning portion unit, its processing procedure is complicated all the more (hardware device and software algorithm all can increase the processing section of more complexity) also, must bring the cost increase of splitting equipment bigger.Wherein, terminal display system is connected to form by signal decoding module, digital signal processing module, remote signal input and display screen.
Summary of the invention
Technical problem to be solved by this invention just provides a kind of equipment and method to set up thereof that does not adopt the video splitting equipment to realize the video TV wall.
The present invention solves its technical problem, the technical scheme that adopts is, a kind of video TV wall equipment, it is characterized in that, comprise n terminal display system and video distributor, described video distributor is divided into the output of n road with the vision signal of input, and its n output port is connected with n terminal display system; Described terminal display system can be displayed in full screen according to the split screen number of setting certain part to image;
Wherein, described n equals maximum split screen number;
Further, described terminal display system comprises signal decoding module, digital signal processing module, remote signal input and display screen, described signal decoding module is connected with digital signal processing module, described digital signal processing module is connected with display screen, and described remote signal input is connected with digital signal processing module.
A kind of video TV wall equipment method to set up of the present invention is characterized in that, may further comprise the steps:
A., isodisperse (H_max) and isodisperse (V_max) on the column direction and window call number (Windows_Index) on the line direction are set in the OSD of terminal display system;
B. terminal display system is carried out the convergent-divergent preparation;
C. whether judge the window call number more than or equal to maximum split screen number, if then enter the d step, if not then enter the e step;
D. recover full frame state parameter: IMAQ input (capture) parameter of main window, and the size that main window is exported is set, enter the f step after finishing;
E. the needed IMAQ input parameter of each window behind the branch such as calculating comprises the row and column both direction, enters the f step after finishing;
F. by adjusting the digital signal processing module scaler parameter of each terminal display system, dispose and the corresponding split screen of window call number;
G. system finishes convergent-divergent.
The invention has the beneficial effects as follows, do not adopt the video splitting equipment of complexity, costliness, only need by revising systems soft ware algorithm and the quantity that increases terminal display system, simply be provided with and utilize the local enlarging function that has terminal display system now just can realize the video TV wall that all size makes up by remote controller, reduced cost.
Description of drawings
Fig. 1 is the embodiment system block diagram;
Fig. 2 is the system flow chart of embodiment.
Embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
The invention provides a kind of equipment and method to set up thereof that does not adopt the video splitting equipment to realize the video TV wall, adopt a video distributor to be connected with each terminal display system, again by software and remote controller setting and control, the processing capacity of utilizing single terminal display system that picture portion is amplified can reach the requirement of video TV wall, has reduced cost.
Embodiment
This routine video distributor is divided into the output of n road with the vision signal of input, and its n output port is connected with n terminal display system, its system block diagram such as Fig. 1, its system flow chart such as Fig. 2.
Wherein, video distributor be earlier with gains such as the analog signal of input or digital signal deliver to back level terminal display system, the way requirement of its output is no less than the number of terminal presentation facility.The terminal display system that this is routine, comprise the signal decoding module, digital signal processing module, remote signal input and display screen, the signal decoding module is finished the analog video signal of sending here from video distributor is decoded, work such as analog to digital conversion, as be digital signal, then directly send digital signal processing module to, the effect of digital signal processing module is that logarithm word signal handles, comprise the start-stop position that definition shows, the format conversion of magnification ratio and suitable display terminal etc., can adopt the scaler engine of terminal display system to finish this work, the remote signal input receives the remote control command from operating personnel, and instruction is transferred to digital signal processing module finishes the combination setting of system according to the instruction calls relative program, terminal display system is piled up arrangement on demand.
The digital signal processing module scaler of each terminal display system of major control of the present invention finishes the output of signal, and makes line number by the matrix that will realize is set in the OSD of terminal display system and columns help the control personnel to finish situ configuration.Its control to digital signal processing module is mainly called specific function by parameter window call number (to call Windows_Index in the following text), realization is carried out image to each locational window terminal display system and is caught and show original position and display width and highly wait setting, reaches the purpose of split screen.Isodisperse (H_max) and isodisperse (V_max) on the column direction and window call number (Windows_Index) on the line direction at first are set in the OSD of terminal display system; Then terminal display system being carried out convergent-divergent prepares, and judge that whether the window call number is more than or equal to maximum split screen number, if, then recover full frame state parameter: IMAQ input (capture) parameter of main window, and the size of main window output is set, if not then calculating waits the needed IMAQ input parameter of each window behind the branch, comprise the row and column both direction; By adjusting the digital signal processing module scaler parameter of each terminal display system, dispose and the corresponding split screen of window call number at last, finish convergent-divergent.Concrete parameter is as follows:
The user is provided with parameters needed by OSD: the isodisperse (V_max) of the isodisperse of line direction (to call H_max in the following text), column direction, if the user wants to be provided with one 4 * 3 split screen advertisement machine, so Dui Ying setting is exactly: H_max=4, V_max=3.
After setting H_max and V_max, the user can be provided with corresponding Windows_Index according to the pairing position of each terminal display system, and the pass between three variablees is:
(Windows_Index+1)＜＝H_max×V_max
The value of the Windows_Index that is provided with according to the user is called concrete function, and this function is that IMAQ input (to call capture in the following text) is set, and then the process that is displayed in full screen.The Capture parameter is as follows:
H_original: the available point of the line direction of expression input signal source;
V_original: the available point of the column direction of expression input signal source;
DH: represent single terminal display system, the effective width of sampling, concerning each terminal display system, owing to be average split screen, so this value is the same;
DV: represent single terminal display system, the effective depth of sampling, concerning each terminal display system, owing to be average split screen, so this value is the same;
DH_Start (x): when representing x Window state, grasp the original position of signal rows direction, this value can be according to the difference of the window's position and difference;
DV_Start (x): when representing x Window state, grasp the original position of signal train direction, this value can be according to the difference of the window's position and difference;
X_H: the position of the line direction of x window correspondence, its algorithm is: X_H=X/H_max;
X_V: the position of the column direction of x window correspondence, its algorithm is: X_V=X/V_max;
Panel_width: the physics of the line direction of expression display screen is counted;
Panel_Height: the physics of the column direction of expression display screen is counted;
Calculate DH: H_original is carried out the H_max five equilibrium, obtain:
DH＝H_original/H_max；
Calculate DV: V_original is carried out the V_max five equilibrium, obtain:
DV＝V_original/V_max；
These two parameters each terminal display system after for split screen all is the same, the meaning of five equilibrium just, and it is directly perceived that a bit to understand be exactly that each terminal display system is wanted the pairing stimulus part of content displayed.
Calculate DH_Start: formula: DH_Start (x)=H_original_start+ (X_H * DH);
Calculate DV_Start: formula: DV_Start (x)=V_original_start+ (X_V * DV);
Wherein, H_original_start, V_original_start are illustrated in the original position when split screen is preceding to carry out capture to signal.
Each window is displayed in full screen corresponding split screen content: count after DH, the DV calculating each split screen window original position DH_Start, DV_Start and useful signal, the Scaling convergent-divergent that just the capture parameter carried out that needs is handled, and makes it full screen display.
In the present invention, what be input to each terminal display system is complete and identical vision signal; Be implemented on the single display unit local image that shows input picture by software, this moment show on the single terminal display system be to amplify after local video image; Key technology point and difficult point are to determine that the rising of display image on the single terminal display system, stop bit put, the demonstration that comprises the row, column direction rises, stop bit is put, this requires the image of demonstration to rise, only location point is accurate, the individual module epigraph contracts, puts the ratio strict conformance, guarantees that final spliced image is complete, true; Realize above-mentioned signal processing, need terminal display system to have digital signal processing capability (generally all adopting Digital Signal Processing) in present flat panel display field, this is because adopt the signal of traditional analog to be difficult to realize with hardware and software, therefore need system that the analog signal of input is converted to digital signal earlier, entering into digital signal processing module again carries out format conversion and (comprises amplification, format conversion etc.), then directly enter digital signal processing module and carry out format conversion if be input as digital signal, and determine according to the resolution of display screen the local signal that will export, end pixel (OK, column direction).
This example adopts the picture processing chip FLI8548 of U.S. Genesis company, also can adopt different digital signal processing chips, and its Software tool and concrete software realization mode can be distinguished to some extent, but the present invention has good versatility on method.
Because each physical circuit in the technical solution of the present invention all belongs to this area routine techniques, no longer describe in detail herein.Those of ordinary skill in the art according to foregoing description, can adopt various circuit to realize technical scheme of the present invention, and it all belongs to protection scope of the present invention.
Claims (4)
1. a video TV wall equipment is characterized in that, comprises n terminal display system and video distributor, and described video distributor is divided into the output of n road with the vision signal of input, and its n output port is connected with n terminal display system; Described terminal display system can be displayed in full screen according to the split screen number of setting certain part to image
2. according to the described a kind of video TV wall equipment of claim 1, it is characterized in that described n equals maximum split screen number.
3. according to claim 1 or 2 described a kind of video TV wall equipments, it is characterized in that, described terminal display system comprises signal decoding module, digital signal processing module, remote signal input and display screen, described signal decoding module is connected with digital signal processing module, described digital signal processing module is connected with display screen, and described remote signal input is connected with digital signal processing module.
4. a video TV wall equipment method to set up is characterized in that, may further comprise the steps:
A., isodisperse and isodisperse on the column direction and window call number on the line direction are set in the OSD of terminal display system;
B. terminal display system is carried out the convergent-divergent preparation;
C. whether judge the window call number more than or equal to maximum split screen number, if then enter the d step, if not then enter the e step;
D. recover full frame state parameter: the IMAQ input parameter of main window, and the size that main window is exported is set, enter the f step after finishing;
E. the needed IMAQ input parameter of each window behind the branch such as calculating comprises the row and column both direction, enters the f step after finishing;
F. by adjusting the digital signal processing module scaler parameter of each terminal display system, dispose and the corresponding split screen of window call number;
G. system finishes convergent-divergent.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024446A (en) * | 2010-11-23 | 2011-04-20 | 广东威创视讯科技股份有限公司 | Large-screen spliced wall display device and method |
| CN102547143A (en) * | 2012-01-13 | 2012-07-04 | 深圳市华泰敏信息技术有限公司 | Method and device for building mapping relation between outlet port of video switching equipment and displayer |
| CN103152528A (en) * | 2013-03-26 | 2013-06-12 | 冠捷显示科技（厦门）有限公司 | Method for assembling television wall by self splicing of televisions |
| WO2013113189A1 (en) * | 2012-02-03 | 2013-08-08 | 海尔集团公司 | Method and system for image transmission |
| CN104754308A (en) * | 2015-04-08 | 2015-07-01 | 苏州佳世达电通有限公司 | Image display method |
| CN106878630A (en) * | 2016-12-26 | 2017-06-20 | 同方工业信息技术有限公司 | Vision signal changing method, control device and video signal transmission system |
| CN107071298A (en) * | 2017-04-20 | 2017-08-18 | 威创集团股份有限公司 | A kind of joined screen system and the combination windowing method based on remote control |
| CN108184094A (en) * | 2017-12-29 | 2018-06-19 | 北京视觉世界科技有限公司 | Video picture displaying method and device |
| CN109769142A (en) * | 2019-01-28 | 2019-05-17 | 深圳市睿智物联科技有限公司 | A kind of the video cutting method and system of the light show of urban medium pinup |
| CN111385492A (en) * | 2020-03-15 | 2020-07-07 | 深圳市飓风智云科技有限公司 | Video partition display method and device |
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2008
- 2008-04-28 CN CNA2008103013830A patent/CN101282426A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102024446B (en) * | 2010-11-23 | 2013-01-09 | 广东威创视讯科技股份有限公司 | Large-screen spliced wall display device and method |
| CN102024446A (en) * | 2010-11-23 | 2011-04-20 | 广东威创视讯科技股份有限公司 | Large-screen spliced wall display device and method |
| CN102547143A (en) * | 2012-01-13 | 2012-07-04 | 深圳市华泰敏信息技术有限公司 | Method and device for building mapping relation between outlet port of video switching equipment and displayer |
| WO2013113189A1 (en) * | 2012-02-03 | 2013-08-08 | 海尔集团公司 | Method and system for image transmission |
| CN103152528A (en) * | 2013-03-26 | 2013-06-12 | 冠捷显示科技（厦门）有限公司 | Method for assembling television wall by self splicing of televisions |
| CN104754308B (en) * | 2015-04-08 | 2017-11-07 | 苏州佳世达电通有限公司 | Picture display process |
| CN104754308A (en) * | 2015-04-08 | 2015-07-01 | 苏州佳世达电通有限公司 | Image display method |
| CN106878630A (en) * | 2016-12-26 | 2017-06-20 | 同方工业信息技术有限公司 | Vision signal changing method, control device and video signal transmission system |
| CN106878630B (en) * | 2016-12-26 | 2020-12-04 | 同方工业信息技术有限公司 | Video signal switching method, control equipment and video signal transmission system |
| CN107071298A (en) * | 2017-04-20 | 2017-08-18 | 威创集团股份有限公司 | A kind of joined screen system and the combination windowing method based on remote control |
| CN107071298B (en) * | 2017-04-20 | 2020-02-28 | 威创集团股份有限公司 | Spliced wall system and spliced wall windowing method based on remote controller |
| CN108184094A (en) * | 2017-12-29 | 2018-06-19 | 北京视觉世界科技有限公司 | Video picture displaying method and device |
| CN109769142A (en) * | 2019-01-28 | 2019-05-17 | 深圳市睿智物联科技有限公司 | A kind of the video cutting method and system of the light show of urban medium pinup |
| CN109769142B (en) * | 2019-01-28 | 2021-02-09 | 深圳市睿智物联科技有限公司 | Video cutting method and system for urban media wall light show |
| CN111385492A (en) * | 2020-03-15 | 2020-07-07 | 深圳市飓风智云科技有限公司 | Video partition display method and device |
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Open date: 20081008 |