CN102109972B - Projector television wall display method and system - Google Patents
Projector television wall display method and system Download PDFInfo
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- CN102109972B CN102109972B CN201110038733A CN201110038733A CN102109972B CN 102109972 B CN102109972 B CN 102109972B CN 201110038733 A CN201110038733 A CN 201110038733A CN 201110038733 A CN201110038733 A CN 201110038733A CN 102109972 B CN102109972 B CN 102109972B
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Abstract
The invention relates to a projector television wall display method and a projector television wall display system. The method comprises the following steps of: placing a plurality of projectors on the same plane in a matrix, acquiring projector coordinate parameters and matrix coordinate parameters, and recording the parameters in the corresponding projectors; receiving video signals by each projector, equally dividing the video signals corresponding to an image of each frame according to the matrix coordinate parameters to obtain sub video signals corresponding to a plurality of sub images, and acquiring sub video signals corresponding to sub images corresponding to the projector coordinate parameters; and correcting the corresponding sub video signals acquired by the projectors, and projecting the corrected signals to corresponding display regions of a television wall. According to the projector television wall display method and the projector television wall display system, the projectors acquire the sub video signals corresponding to the sub images of the image of each frame according to the recorded projector coordinate parameters and matrix coordinate parameters, and the sub video signals do not need to be distributed by means of a video distributor, so the display cost is reduced.
Description
[technical field]
The present invention relates to field of video displaying, particularly a kind of projector video wall display packing and system.
[background technology]
Video wall is used comparatively extensive in the large screen display field; Traditional projection splicing video wall mainly adopts dual mode to realize showing; A kind of is many output video cards; Adopt the video after many output video cards will be cut apart to flow to a plurality of projectors, but output video card limited amount, so projector's limited amount of splicing; A kind of is to adopt special-purpose video distributor, distributes, and this kind allocation scheme needs dedicated video divider cost higher.
[summary of the invention]
Based on this, be necessary to provide a kind of and can reduce the projector's video wall display packing that shows cost.
A kind of projector video wall display packing may further comprise the steps:
Many projectors are placed at grade and become matrix to arrange, obtain projector's coordinate parameters and matrix coordinate parameters, and be recorded in the respective projection machine;
Every projector's receiving video signals; According to said matrix coordinate parameters the pairing vision signal of every two field picture is carried out equal divisional processing and obtain the pairing sub-video signal of a plurality of subimages, obtain and the pairing sub-video signal of projector's corresponding subimage of coordinate parameters;
The corresponding sub-video signal that every projector is obtained carries out treatment for correcting, and projects corresponding display region on the video wall.
Preferably, comprise also said every projector is connected with the signal source communication that the direct outputting video signal of signal source is to the step of every projector.
Preferably, comprise that also the video interface that every projector is used for transmission video signal is connected in series according to projector's coordinate parameters successively, and the input interface communication of the projector that will begin at first to be connected in series connects the step of signal source.
Preferably, also comprise the edge to be spliced of mark subimage, and carry out the step of jointing positions reason.
Preferably, also comprise the step of the edge to be spliced of subimage being carried out the brightness processed of gradual change.
In addition, also be necessary to provide a kind of and can reduce the projector's video wall display system that shows cost.
A kind of projector video wall display system; Comprise the signal source of sending vision signal and many projectors of receiving video signals; Said many projectors place at grade and become matrix to arrange, and every projector obtains and write down corresponding coordinate parameters and matrix coordinate parameters; Said projector receiving video signals also carries out equal divisional processing according to the matrix coordinate parameters to the pairing vision signal of every two field picture, obtains and the pairing sub-video signal of projector's corresponding subimage of coordinate parameters; Said many projectors carry out treatment for correcting to the sub-video signal that obtains respectively, and project corresponding display region on the video wall.
Preferably, said every projector is connected with said signal source communication, and the direct outputting video signal of said signal source is to every projector.
Preferably, the video interface that said every projector is used for transmission video signal is connected in series according to projector's coordinate parameters successively, and the input interface communication of the projector that will begin at first to be connected in series connects said signal source.
Preferably, the edge to be spliced of said projector mark subimage splices processing.
Preferably, said projector carries out the edge to be spliced of subimage the brightness processed of gradual change.
Above-mentioned projector video wall display packing and system; Adopt record projector's coordinate parameters and matrix coordinate parameters; After projector gets access to vision signal; According to the matrix coordinate parameters the pairing vision signal of every two field picture is carried out equal divisional processing and obtain the pairing sub-video signal of a plurality of subimages, obtain the pairing sub-video signal of corresponding subimage according to self coordinate parameters again, and then synchronously a complete two field picture is formed in subimage projection splicing; Do not need to distribute, reduced the demonstration cost by video distributor.
[description of drawings]
Fig. 1 is the process flow diagram of projector's video wall display packing among the embodiment;
Fig. 2 is the structural representation of projector's video wall display system among the embodiment;
Fig. 3 is the application synoptic diagram of projector's video wall display system.
[embodiment]
Below in conjunction with concrete embodiment and accompanying drawing technical scheme is carried out detailed description.
As shown in Figure 1, in one embodiment, a kind of projector video wall display packing may further comprise the steps:
Step S100 places many projectors at grade and becomes matrix to arrange, and obtains projector's coordinate parameters and matrix coordinate parameters, and is recorded in the respective projection machine.
What show because of vision signal output is the picture signal of a matrix, adopts projector that vision signal output is shown, then needs projector is arranged into matrix, so that each projector obtains image signals corresponding.After projector is arranged into matrix, need get access to projector's coordinate parameters and matrix coordinate parameters, projector's coordinate parameters comprises line number and the columns in projector's place matrix, and the matrix coordinate parameters comprises total line number and total columns of matrix.The coordinate parameters and the matrix coordinate parameters of every projector record self are arranged into 3 * 3 matrix like 9 projectors, and the coordinate parameters of record is that first row, first row, 3 row, 3 are listed as in the projector of first row, first row.
Step S110; Every projector's receiving video signals; According to the matrix coordinate parameters the pairing vision signal of every two field picture is carried out equal divisional processing and obtain the pairing sub-video signal of a plurality of subimages, obtain and the pairing sub-video signal of projector's corresponding subimage of coordinate parameters.
After every projector receives vision signal, can the pairing vision signal of every two field picture be carried out equal divisional processing according to the matrix coordinate parameters and obtain the pairing sub-video signal of a plurality of subimages.Every projector gets access to and the pairing sub-video signal of the corresponding subimage of self coordinate parameters.Vision signal is the demonstration successively of a two field picture, a two field picture through projector's Projection Display, every two field picture is carried out equal divisional processing obtain a plurality of subimages, and every projector obtains the subimage of this two field picture that self throws.Be arranged into 3 * 3 matrix like 9 projectors, the pairing vision signal of every two field picture is divided into the pairing sub-video signal of 9 number of sub images after, the projector of first row, first row obtains the pairing sub-video signal of first subimage.
In the preferred embodiment, above-mentioned projector video wall display packing also comprises: every projector is connected with the signal source communication, and the direct outputting video signal of signal source is to the step of every projector.Projector directly links to each other with signal source, directly receives the vision signal of the output of signal source, and this vision signal is raw video signal, guarantees the quality of vision signal.
In the preferred embodiment, above-mentioned projector video wall display packing also comprises: the video interface that every projector is used for transmission video signal is connected in series according to projector's coordinate parameters successively, and projector's communication of beginning serial connection connects signal source.Every projector all has VGA (Video Graphic Array, Video Graphics Array) signal input interface and VGA signal output interface, the transmission video signal that vision signal is left intact.Every projector is serially connected successively; Be arranged into 3 * 3 matrix like 9 projectors; 9 projectors are connected in series successively; Promptly go up the video input interface of next projector of video output interface serial connection of a projector, the input interface of the projector that begins at first to be connected in series is connected with the signal source communication.
Step S120, the corresponding sub-video signal that every projector is obtained carries out treatment for correcting, and projects corresponding display region on the video wall.Many projectors throw synchronously, and each projection is spliced into a complete two field picture.
The corresponding sub-video signal that every projector is obtained adopts GAMMA to proofread and correct, and the edge softening is handled, and is projecting corresponding display region on the video wall then.
Above-mentioned projector video wall display packing also comprises the edge to be spliced of mark subimage, and carries out the jointing positions reason.After every two field picture is divided into a plurality of subimages, when splicing demonstration, edge to be spliced is arranged, this edge to be spliced of mark between subimage and the subimage through projector.With the brightness processed that the edge to be spliced of subimage carries out gradual change, the brightness of the seam crossing of the image of assurance projection is consistent with the brightness of other positions, realizes seamless spliced.
As shown in Figure 2, in one embodiment, a kind of projector video wall display system comprises the signal source 10 of sending vision signal and many projectors 20 of receiving video signals.
Signal source 10 provides vision signal.Signal source 10 can be computer, DVD etc.
Many projectors 20 place at grade and become matrix to arrange, and every projector 20 obtains and write down corresponding coordinate parameters and matrix coordinate parameters.Wherein, projector's coordinate parameters comprises line number and the columns in projector's place matrix, and the matrix coordinate parameters comprises total line number and total columns of matrix.The coordinate parameters and the matrix coordinate parameters of every projector 20 records self are arranged into 3 * 3 matrix like 9 projectors, and the coordinate parameters of record is that first row, first row, 3 row, 3 are listed as in the projector of first row, first row.
Projector's 20 receiving video signals also carry out equal divisional processing according to the matrix coordinate parameters to the pairing vision signal of every two field picture, obtain and the pairing sub-video signal of projector's corresponding subimage of coordinate parameters.Many projectors 20 carry out treatment for correcting to the sub-video signal that obtains respectively, and project corresponding display region on the video wall.Many projectors 20 throw synchronously, and each projection is spliced into a complete two field picture.
In the preferred embodiment, every projector 20 is connected with signal source 10 direct communications, and signal source 10 direct outputting video signals are to every projector 20.This vision signal is a raw video signal, guarantees the quality of vision signal.
In the preferred embodiment, the video interface that every projector 20 is used for transmission video signal is connected in series according to projector's coordinate parameters successively, and projector's 20 communications of beginning serial connection connect signal source 10.Every projector 20 all has VGA (Video Graphic Array, Video Graphics Array) signal input interface and VGA signal output interface, the transmission video signal that vision signal is left intact.Every projector 20 is serially connected successively; Be arranged into 3 * 3 matrix like 9 projectors; 9 projectors are connected in series successively; Promptly go up the video input interface of next projector of video output interface serial connection of a projector, the input interface of the projector that begins at first to be connected in series is connected with signal source 10 communications.
In the preferred embodiment, the edge to be spliced of projector's 20 mark subimages splices processing.Projector 20 is the brightness processed that the edge to be spliced of subimage of splicing carries out gradual change, guarantees that the brightness of seam crossing of image of projection is consistent with the brightness of other positions, realizes seamless spliced.
Like Fig. 3 is a kind of work synoptic diagram of projector's video wall display system.9 projectors arrange and form 3 * 3 matrix, and label is 21 to 29, are connected in series successively according to 21 to 29; Signal source 10 is connected by communication with projector 21, and after signal source 10 was given projector 21 with video signal transmission, projector 21 was transferred to projector 22 with vision signal through video signal interface; According to this; Except projector 21, other projectors all receive the vision signal of the transmission of last continuous projector, after every projector gets access to complete vision signal; Carry out synchronous processing; Coordinate parameters and matrix coordinate parameters according to self carry out the sub-video signal that equal divisional processing obtains corresponding subimage to the pairing vision signal of every two field picture, and the antithetical phrase vision signal is spliced processing and handled with the adjustment of projector self resolution, after proofreading and correct then; Project the video wall corresponding display and show, realize complete seamless spliced vision signal.
Above-mentioned projector video wall display packing and system; Adopt record projector's coordinate parameters and matrix coordinate parameters; After projector gets access to vision signal; According to the matrix coordinate parameters the pairing vision signal of every two field picture is carried out equal divisional processing and obtain the pairing sub-video signal of a plurality of subimages, obtain the pairing sub-video signal of corresponding subimage according to self coordinate parameters again, and then synchronously a complete two field picture is formed in subimage projection splicing; Do not need to distribute, reduced the demonstration cost by video distributor.
In addition, adopt many projectors to be connected in series successively, the quantity of projector is unrestricted; Edge to be spliced to subimage carries out the gradual change brightness processed, has realized seamless splicedly, and picture quality is higher.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. projector's video wall display packing may further comprise the steps:
Many projectors are placed at grade and become matrix to arrange, obtain projector's coordinate parameters and matrix coordinate parameters, and be recorded in the respective projection machine;
Every projector's receiving video signals; According to said matrix coordinate parameters the pairing vision signal of every two field picture is carried out equal divisional processing and obtain the pairing sub-video signal of a plurality of subimages, obtain and the pairing sub-video signal of projector's corresponding subimage of coordinate parameters;
The corresponding sub-video signal that every projector is obtained carries out treatment for correcting, and projects corresponding display region on the video wall.
2. projector according to claim 1 video wall display packing is characterized in that, also comprises said every projector is connected with the signal source communication, and the direct outputting video signal of signal source is to the step of every projector.
3. projector according to claim 1 video wall display packing; It is characterized in that; Comprise that also the video interface that every projector is used for transmission video signal is connected in series according to projector's coordinate parameters successively, and the input interface communication of the projector that will begin at first to be connected in series connects the step of signal source.
4. projector according to claim 1 video wall display packing is characterized in that, also comprises the edge to be spliced of mark subimage, and carries out the step of jointing positions reason.
5. projector according to claim 4 video wall display packing is characterized in that, also comprises the step of the edge to be spliced of subimage being carried out the brightness processed of gradual change.
6. projector's video wall display system; Comprise the signal source of sending vision signal and many projectors of receiving video signals; It is characterized in that; Said many projectors place at grade and become matrix to arrange, and every projector obtains and write down corresponding coordinate parameters and matrix coordinate parameters; Said projector receiving video signals also carries out equal divisional processing according to the matrix coordinate parameters to the pairing vision signal of every two field picture, obtains and the pairing sub-video signal of projector's corresponding subimage of coordinate parameters; Said many projectors carry out treatment for correcting to the sub-video signal that obtains respectively, and project corresponding display region on the video wall.
7. projector according to claim 6 video wall display system is characterized in that, said every projector is connected with said signal source communication, and the direct outputting video signal of said signal source is to every projector.
8. projector according to claim 6 video wall display system; It is characterized in that; The video interface that said every projector is used for transmission video signal is connected in series according to projector's coordinate parameters successively, and the input interface communication of the projector that will begin at first to be connected in series connects said signal source.
9. projector according to claim 6 video wall display system is characterized in that, the edge to be spliced of said projector mark subimage splices processing.
10. projector according to claim 9 video wall display system is characterized in that said projector carries out the edge to be spliced of subimage the brightness processed of gradual change.
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| CN201110038733A CN102109972B (en) | 2011-02-14 | 2011-02-14 | Projector television wall display method and system |
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| CN201110038733A CN102109972B (en) | 2011-02-14 | 2011-02-14 | Projector television wall display method and system |
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| CN102109972B true CN102109972B (en) | 2012-09-12 |
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| CN104333713B (en) * | 2014-10-24 | 2017-12-19 | 苏州佳世达电通有限公司 | The establishing method of display device |
| CN105867861B (en) * | 2016-03-28 | 2024-03-26 | 京东方科技集团股份有限公司 | Tiled display system and control method thereof |
| CN117061717B (en) * | 2023-10-12 | 2024-01-09 | 杭州罗莱迪思科技股份有限公司 | Projection spliced video effective control method, system and application thereof |
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| CN101140661A (en) * | 2007-09-04 | 2008-03-12 | 杭州镭星科技有限公司 | Real time object identification method taking dynamic projection as background |
| CN101482690A (en) * | 2009-01-05 | 2009-07-15 | 清华大学 | Self-adapting template big-screen brightness emendation method with multi-projector combined display |
| CN101656873A (en) * | 2008-08-18 | 2010-02-24 | 北京创先泰克科技有限公司 | System and method for controlling camera and holder in location shooting |
| CN101815190A (en) * | 2010-04-16 | 2010-08-25 | 浙江大学 | Projection display system and characteristic analysis method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3827662B2 (en) * | 2003-09-10 | 2006-09-27 | Ｎｅｃビューテクノロジー株式会社 | Projection display |
| US7737910B2 (en) * | 2003-12-04 | 2010-06-15 | Microsoft Corporation | Scalable display |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101140661A (en) * | 2007-09-04 | 2008-03-12 | 杭州镭星科技有限公司 | Real time object identification method taking dynamic projection as background |
| CN101656873A (en) * | 2008-08-18 | 2010-02-24 | 北京创先泰克科技有限公司 | System and method for controlling camera and holder in location shooting |
| CN101482690A (en) * | 2009-01-05 | 2009-07-15 | 清华大学 | Self-adapting template big-screen brightness emendation method with multi-projector combined display |
| CN101815190A (en) * | 2010-04-16 | 2010-08-25 | 浙江大学 | Projection display system and characteristic analysis method thereof |
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| JP特开2005-86648A 2005.03.31 |
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