CN101986384A - Method for processing display of multi-layer picture in picture for DLP multi-screen splicing display wall - Google Patents
Method for processing display of multi-layer picture in picture for DLP multi-screen splicing display wall Download PDFInfo
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- CN101986384A CN101986384A CN2009100555818A CN200910055581A CN101986384A CN 101986384 A CN101986384 A CN 101986384A CN 2009100555818 A CN2009100555818 A CN 2009100555818A CN 200910055581 A CN200910055581 A CN 200910055581A CN 101986384 A CN101986384 A CN 101986384A
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Abstract
The invention relates to a method for processing display of multi-layer picture in picture for a DLP (digital light processing) multi-screen tiled display wall. The method adopts the ASIC chip multi-picture roaming technology, ensures that a projection unit can simultaneously drive 3 full real-time RGB and video signal images, and comprises the following steps: inputting an external signal which comprises a main picture signal and a sub-picture signal; converting all signals through an analog to digital converter; performing filter correction to the converted signals by a signal filter correction circuit; allowing the processed sub-image signal through a sub-image signal adjusting circuit; leading the adjusted sub-image signal to enter a sub-image switching circuit; forming a sub-picture image by a sub-picture forming circuit; and synthesizing a main picture image and a sub- picture image by a picture synthesis circuit, and displaying the images on a large screen. Compared with the prior art, the method has the advantages of powerful functions, convenient picture switching and the like.
Description
Technical field
The present invention relates to multilayer picture-in-picture display processing method, relate in particular to a kind of multilayer picture-in-picture display processing method of the DLP of being applicable to multi-screen splicing display wall.
Background technology
A whole set of projection display system that DLP multi-screen splicing display wall is made up of a plurality of independently display units becomes single logic display screen, simply is interpreted as the display screen of oversize.Whether perfect in DLP multi-screen splicing display wall, many menu display functions of projector are one of important technologies of whole display system, simultaneously also be DLP multi-screen splicing display wall function an important judgment criteria.
The various picture signal pictures that show in the DLP multi-screen splicing display wall mainly are to have projector to handle.Along with the development of DLP multi-screen splicing display wall, this is more and more higher to the display frame quantitative requirement in the system.How to allow total system can as far as possible show various picture signal picture more? does and how control chart image signal picture organically make up on giant-screen? mode has three kinds: show, dispose the multi-screen splicing controller by the built-in image processor demonstration of projector, projector and the combination of signal matrix switch and show.Mode one: the built-in image processor Presentation Function of most existing projector is single, can insert number of signals and be no more than three.Simultaneously can only show a layer signal picture of individual signals passage or show two layer signal pictures that wherein second layer picture dimension can't carry out convergent-divergent or can't stride the screen splicing on the single screen.Therefore can't satisfy user's actual displayed demand by this display mode.Mode two: can increase the access of system signal quantity though projector and signal matrix switch combined, in system, also can only show a signal simultaneously.Different signals can only switch demonstration, and this kind mode can't solve the requirement that many pictures show simultaneously equally.Mode three: add the multi-screen splicing controller in system, the signal that needs are shown inserts the multi-screen splicing controller.By the multi-screen splicing controller signal picture is controlled.Though this mode can satisfy the requirement that the many pictures of system show simultaneously, but the signal demand of multi-screen splicing controller self takies one of them display channel of projector, and projector can't insert more number of signals.In case the multi-screen splicing controller breaks down, total system just can be paralysed.The multi-screen splicing controller safeguard more complicated, deployment cost is also than higher simultaneously, this will just cause user's greatly inconvenience in use.
In view of the weak point of above-mentioned three kinds of modes, the hope that the user is urgent can have a kind of effective display mode and satisfy many pictures demonstration demands, and is simultaneously simple and practical again, is easy to safeguard.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the defective that above-mentioned prior art exists, and a kind of multilayer picture-in-picture display processing method that is applicable to DLP multi-screen splicing display wall of powerful, easy switching is provided.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of multilayer picture-in-picture display processing method that is applicable to DLP multi-screen splicing display wall, this method adopts many pictures of asic chip roaming technology, projecting cell can drive 3 complete real-time RGB and video signal image simultaneously, image window on the screen carries out moving arbitrarily control end to being positioned at, convergent-divergent, superpose, stride the screen roaming, and processing procedure may further comprise the steps:
(1) external signal input, signal comprises main screen signal and sprite signal;
(2) all signal is changed by analog to digital converter;
(3) the signal filtering correction circuit carries out the filtering correction to the signal of changing;
(4) the sprite signal after above-mentioned processing is through the sprite circuit for signal conditioning;
(5) the sprite signal after regulating enters the sprite commutation circuit;
(6) form circuit by sprite then and form sub-screen image;
(7) synthesize key frame and sub-screen image by the picture combiner circuit at last and on giant-screen, show.Described control end comprises telepilot.
Compared with prior art, the present invention has the following advantages:
1, the present invention further promotes the many picture functions of projector, reach and show 3 layers of different picture signal window simultaneously, can be under the situation of optional equipment, can make that the position of all signal windows and size move arbitrarily simultaneously on screen, convergent-divergent, superpose and stride the screen roaming.
2, can utilize that telepilot is led, the switching of sprite, can also insert or cancel sprite at any time.
3, the static demonstration of sprite can arbitrarily make it static or movable to the picture signal of picture-in-picture, so that carefully view and admire, picture still claims picture " to freeze " again.
4, many pictures show, picture-in-picture is not limit one, when viewing and admiring the key frame TV programme, can monitor a plurality of sprites simultaneously, as on screen, showing the image window of 3 unlike signals simultaneously, these sprites can be the unlike signal channel image, also can be the identical image of same signalling channel.
5, the amplification of sprite or dwindle demonstration also can enlarge the size of pip image window arbitrarily or dwindle again, and can and original area between select arbitrarily.
6, moving of sprite can not be that move arbitrarily on the border with the screen with the position of the image window of picture-in-picture, just the image window of picture-in-picture can be moved on to the optional position on the logical screen that display unit forms.
Description of drawings
Fig. 1 is the process flow diagram of disposal route of the multilayer picture-in-picture display processing method of a kind of DLP of being applicable to multi-screen splicing of the present invention display wall;
Fig. 2 is the system schematic of disposal route of the multilayer picture-in-picture display processing method of a kind of DLP of being applicable to multi-screen splicing of the present invention display wall;
Fig. 3 is that the sprite of the multilayer picture-in-picture display processing method of a kind of DLP of being applicable to multi-screen splicing of the present invention display wall inserts the interface;
Fig. 4 is the asic chip processing flow chart of the multilayer picture-in-picture display processing method of a kind of DLP of being applicable to multi-screen splicing of the present invention display wall;
Embodiment
The present invention will be further described below in conjunction with specific embodiment.
Embodiment 1
As Fig. 1, shown in Figure 2, a kind of multilayer picture-in-picture display processing method that is applicable to DLP multi-screen splicing display wall, this method adopts many pictures of asic chip roaming technology, projecting cell can drive 3 complete real-time RGB9 and video signal image 8 simultaneously, wherein screen signal pattern control 8 enters 3D comb filter 11, draw processing module 12 through entering multilayer after A/D converter 15 conversions then, enter multilayer after the RGB9 signal is changed through A/D converter 15 and draw processing module 12, digital video 10 directly enters multilayer and draws processing module 12, all information is drawn through multilayer and is entered asic chip 13 after processing module 12 is handled, last entering signal output module 14, control end carries out moving arbitrarily to the image window that is positioned on the screen, convergent-divergent, stack, stride the screen roaming, processing procedure may further comprise the steps:
The 1st step, the external signal input, signal comprises main screen signal and sprite signal;
In the 2nd step, all signal is changed by analog to digital converter;
In the 3rd step, the signal filtering correction circuit carries out the filtering correction to the signal of changing;
In the 4th step, the sprite signal after above-mentioned processing is through the sprite circuit for signal conditioning;
In the 5th step, the sprite signal after regulating enters the sprite commutation circuit;
In the 6th step, form circuit by sprite then and form sub-screen image;
In the 7th step, synthesize key frame and sub-screen image by the picture combiner circuit at last and on giant-screen, show.
Described control end comprises telepilot
Embodiment 2
As shown in Figure 3, the m that is located at a frame image walks to the capable insertion of n sprite, so, except m walks to n each row in the ranks, other all row, video switch is all connected main screen signal; And when n to m was capable, when line scanning scanned before the pixel C point from a left side, video switch was still connected main screen signal, showed the content of key frame image.When scanning between C and the D, video switch cuts off main screen signal, connects the sprite signal, so that show sprite in the mncd zone.In fact, be equivalent to walk to n at the m of field scan and set up a window in the ranks, in each row of m to n, line scanning c to the d time is set up the row window.The window pulse of inserting sprite is that the address control circuit of reading by storer produces.If will change the window's position that inserts sprite, only need to change row TH time delay and time delay TV get final product.Change row, the control signal of a time delay are produced by the picture-in-picture control circuit.In addition, the picture-in-picture control circuit also produces the sampling pulse of little picture A/D conversion, storer write, read the address, the time clock of serial/parallel, the parallel/serial conversion of signal, and other required pulse of digital processing.
Embodiment 3
As shown in Figure 4, asic chip is handled each channel signal it is divided into key frame and sprite.The main screen signal input is made up of circuit such as key frame, zooming, signal decoding, master, sprite signal shift switch with treatment circuit among the figure.It mainly acts on one is to receive and handle the road signal that shows as sprite, and compress with ratio of compression K with vertical both direction in level, image after the compression is the 1/K of original image, the 2nd, and the sprite after will compressing on request is inserted in the precalculated position of main picture image.The storer of handling sprite in this block scheme is that employing is digital, so the simulating signal of sprite need be converted to digital signal and could store.
Claims (2)
1. multilayer picture-in-picture display processing method that is applicable to DLP multi-screen splicing display wall, it is characterized in that, this method adopts the many picture roamings of asic chip, projecting cell drives 3 complete real-time RGB and video signal image simultaneously, image window on the screen carries out moving arbitrarily control end to being positioned at, convergent-divergent, superpose, stride the screen roaming, and processing procedure may further comprise the steps:
(1) external signal input, signal comprises main screen signal and sprite signal;
(2) all signal is changed by analog to digital converter;
(3) the signal filtering correction circuit carries out the filtering correction to the signal of changing;
(4) the sprite signal after above-mentioned processing is through the sprite circuit for signal conditioning;
(5) the sprite signal after regulating enters the sprite commutation circuit;
(6) form circuit by sprite and form sub-screen image;
(7) synthesize key frame and sub-screen image by the picture combiner circuit and on giant-screen, show.
2. a kind of multilayer picture-in-picture display processing method that is applicable to DLP multi-screen splicing display wall according to claim 1 is characterized in that described control end comprises telepilot.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100555818A CN101986384A (en) | 2009-07-29 | 2009-07-29 | Method for processing display of multi-layer picture in picture for DLP multi-screen splicing display wall |
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| CN2009100555818A CN101986384A (en) | 2009-07-29 | 2009-07-29 | Method for processing display of multi-layer picture in picture for DLP multi-screen splicing display wall |
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| CN101986384A true CN101986384A (en) | 2011-03-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542933A (en) * | 2012-01-16 | 2012-07-04 | 深圳市创维群欣安防科技有限公司 | Windowing controller based on large screen liquid crystal splicing display |
| CN102736885A (en) * | 2012-06-28 | 2012-10-17 | 江苏清投视讯科技有限公司 | Multi-screen display technology based on wireless transmission |
| CN103023752A (en) * | 2012-11-30 | 2013-04-03 | 上海量明科技发展有限公司 | Method, client-side and system for pre-installing player in instant messaging interactive interface |
| CN105323623A (en) * | 2014-08-01 | 2016-02-10 | 三星电子株式会社 | Display apparatus, multi display system including same, and control method thereof |
| CN108881981A (en) * | 2017-05-08 | 2018-11-23 | Tcl新技术（惠州）有限公司 | One kind is across screen display methods, storage equipment and electronic equipment |
| CN111580713A (en) * | 2020-04-26 | 2020-08-25 | 广州视源电子科技股份有限公司 | Display interaction system |
-
2009
- 2009-07-29 CN CN2009100555818A patent/CN101986384A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542933A (en) * | 2012-01-16 | 2012-07-04 | 深圳市创维群欣安防科技有限公司 | Windowing controller based on large screen liquid crystal splicing display |
| CN102736885A (en) * | 2012-06-28 | 2012-10-17 | 江苏清投视讯科技有限公司 | Multi-screen display technology based on wireless transmission |
| CN103023752A (en) * | 2012-11-30 | 2013-04-03 | 上海量明科技发展有限公司 | Method, client-side and system for pre-installing player in instant messaging interactive interface |
| CN105323623A (en) * | 2014-08-01 | 2016-02-10 | 三星电子株式会社 | Display apparatus, multi display system including same, and control method thereof |
| CN105323623B (en) * | 2014-08-01 | 2020-02-28 | 三星电子株式会社 | Display apparatus, multi-display system including the same, and control method thereof |
| CN108881981A (en) * | 2017-05-08 | 2018-11-23 | Tcl新技术（惠州）有限公司 | One kind is across screen display methods, storage equipment and electronic equipment |
| CN111580713A (en) * | 2020-04-26 | 2020-08-25 | 广州视源电子科技股份有限公司 | Display interaction system |
| CN111580713B (en) * | 2020-04-26 | 2021-09-17 | 广州视源电子科技股份有限公司 | Display interaction system |
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Application publication date: 20110316 |