CN105761705B - Screen wall synchronous display method and system - Google Patents
Screen wall synchronous display method and system Download PDFInfo
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- CN105761705B CN105761705B CN201610289468.6A CN201610289468A CN105761705B CN 105761705 B CN105761705 B CN 105761705B CN 201610289468 A CN201610289468 A CN 201610289468A CN 105761705 B CN105761705 B CN 105761705B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/14—Display of multiple viewports
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Abstract
The invention belongs to screen wall display control field, it is related to a kind of screen wall synchronous display method and system；There is provided one kind can make the image frame after segmentation synchronize the screen wall synchronous display method shown and system；The technical solution of use are as follows: a complete picture signal is divided into muti-piece；Picture signal after driving display device display segmentation；Picture signal after display segmentation；Piecemeal is carried out to input signal；Using one of piecemeal as reference block；After first ranks signal of reference block generates, a synchronization signal is generated；The synchronization signal of generation is sent to other piecemeals；When first ranks signal of reference block generates, starts to count the ranks number of reference block, and when other piecemeals receive synchronization signal, start to count the ranks number of other piecemeals；The line count of the line count and reference block that make other piecemeals is consistent；Synchronism output piecemeal signal；Suitable for monitoring display field.
Description
Technical field
The invention belongs to screen wall display control field more particularly to a kind of screen wall synchronous display method and systems.
Background technique
In monitoring display field, it usually needs show dynamic monitoring view on the mosaic screen curtain wall being made of multiple screens
Frequently, it when display, needs for a complete dynamic monitoring video to be divided into multiple portions, then tiled display is on screen wall, this
When each section picture for dividing be exactly an independent dynamic monitored picture, due to the picture after segmentation be it is independent of each other,
When showing on different screen, the transmission of the signal of possible each section picture to screen has different delay or every piece of screen
Driving plate the processing time it is different, can all cause each picture different delay situations occur, be one complete originally in this way
There is each screen and shows asynchronous, entanglement phenomenon occurs in picture since the delay of each screen is different in dynamic monitoring image.
Summary of the invention
The present invention overcomes the shortcomings of the prior art, technical problem to be solved are as follows: providing one kind can make to divide
Image frame afterwards synchronizes the screen wall synchronous display method shown and system.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: screen wall synchronous display method, including step
It is rapid: a complete picture signal S101: being divided into muti-piece；S102: the picture signal after driving display device display segmentation；
S103: the picture signal after display segmentation；The step S101 includes: S1011: carrying out piecemeal to input signal, wherein described
Input signal is made of multiple ranks signals；S1012: using one of piecemeal as reference block；S1013: when the of reference block
After one ranks signal generates, a synchronization signal is generated；S1014: the synchronization signal of generation is sent to other piecemeals；
S1015: when first ranks signal of reference block generates, start to count the ranks number of reference block, and work as other points
When block receives synchronization signal, start to count the ranks number of other piecemeals；S1016: make the line count of other piecemeals
It is consistent with the line count of reference block；S1017: synchronism output piecemeal signal.
Preferably, between the step S1012 and the step S1013, there is also following steps: S1018: by reference block
Clock be sent to other piecemeals；S1019: using the clock of reference block as the clock of other piecemeals.
Preferably, in the S102 step, the device for the picture signal after driving display device display to divide is not
Driving plate with memory.
Preferably, it in the S1013 step, when first ranks signal of reference block generates, is delayed two clock weeks
After phase, a synchronization signal is just generated.
Screen wall synchronous display system, comprising: concatenation unit: for a complete picture signal to be divided into muti-piece；
Driving unit: for the picture signal after driving display device display to divide；Display unit: for showing that the image after segmentation is believed
Number；The concatenation unit includes: signal blocking unit: for carrying out piecemeal to input signal, wherein the input signal is by more
A ranks signal composition；Reference block selectes unit: for using one of piecemeal as reference block；Synchronization signal generates unit:
For generating a synchronization signal after first ranks signal generation of reference block；Synchronization signal transmission unit: for that will produce
Raw synchronization signal is sent to other piecemeals；Line count unit: for opening when the generation of first ranks signal of reference block
Beginning counts the ranks number of reference block, and when other piecemeals receive synchronization signal, starts the ranks to other piecemeals
Number is counted；Line count synchronization unit: for making the line count of other piecemeals and the line count holding one of reference block
It causes；Output unit: it is used for synchronism output piecemeal signal.
Preferably, the concatenation unit further include: clock transmission unit: for the clock of reference block to be sent to other points
Block；Clock synchronization unit: for using the clock of reference block as the clock of other piecemeals.
Preferably, the driving unit is the driving plate without memory.
Preferably, it when first ranks signal of reference block generates, is delayed after two clock cycle, the synchronization signal
It generates unit and just generates a synchronization signal.
Compared with the prior art, the invention has the following beneficial effects:
After receiving complete picture signal, piecemeal is carried out to input signal, using one of piecemeal as reference block,
The clock of reference block is sent to other piecemeals, this ensure that the clock of the picture signal after segmentation is synchronous；Then will
Clock of the clock of reference block as other piecemeals generates a synchronous letter after first ranks signal of reference block generates
Number, the synchronization signal of generation is sent to other piecemeals, when first ranks signal of reference block generates, is started to reference block
Ranks number counted, and when other piecemeals receive synchronization signal, start to count the ranks number of other piecemeals,
The line count of the line count and reference block that make other piecemeals is consistent, the picture signal after in turn ensuring segmentation in this way
Line count is synchronous, last synchronism output piecemeal signal.
The present invention by being respectively transmitted to each screen again after handling the dynamic menu source after segmentation, source just
It ensure that the synchronization of dynamic image, moreover, the device for the picture signal after driving display device display to divide is without interior
The driving plate deposited, so that directly being shown after screen receives picture signal, it is no longer necessary to which memory processing is guaranteeing image
While signal simultaneous display, hardware cost is also saved.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing；
Fig. 1 is the flow diagram for the screen wall synchronous display method that the embodiment of the present invention one provides；
The flow diagram of step S101 in the screen wall synchronous display method that Fig. 2 provides for the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram for the screen wall synchronous display system that the embodiment of the present invention one provides；
In figure: 101 be concatenation unit, and 1011 be signal blocking unit, and block selectes unit on the basis of 1012, and 1013 be synchronization
Signal generation unit, 1014 be synchronization signal transmission unit, and 1015 be line count unit, and 1016 synchronize list for line count
Member, 1017 be output unit, and 1018 be clock transmission unit, and 1019 be clock synchronization unit, and 102 be driving unit, and 103 be aobvious
Show unit.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments；Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram for the screen wall synchronous display method that the embodiment of the present invention one provides, as shown in Figure 1, screen
Curtain wall synchronous display method, comprising steps of
S101: a complete picture signal is divided into muti-piece.
S102: the picture signal after driving display device display segmentation.
S103: the picture signal after display segmentation.
The flow diagram of step S101 in the screen wall synchronous display method that Fig. 2 provides for the embodiment of the present invention one, such as
Shown in Fig. 2, the step S101 includes:
S1011: piecemeal is carried out to input signal, wherein the input signal is made of multiple ranks signals.
S1012: using one of piecemeal as reference block.
S1013: after first ranks signal of reference block generates, a synchronization signal is generated.
S1014: the synchronization signal of generation is sent to other piecemeals.
S1015: when first ranks signal of reference block generates, starting to count the ranks number of reference block, and
When other piecemeals receive synchronization signal, start to count the ranks number of other piecemeals.
S1016: the line count of the line count and reference block that make other piecemeals is consistent.
S1017: synchronism output piecemeal signal.
Specifically, between the step S1012 and the step S1013, there is also following steps:
S1018: the clock of reference block is sent to other piecemeals.
S1019: using the clock of reference block as the clock of other piecemeals.
Specifically, in the S102 step, the device for the picture signal after driving display device display to divide is not
Driving plate with memory.
Specifically, for stability, in the S1013 step, when first ranks signal of reference block generates, delay
After two clock cycle, a synchronization signal is just generated.
Fig. 3 is the structural schematic diagram for the screen wall synchronous display system that the embodiment of the present invention one provides, as shown in figure 3, screen
Curtain wall synchronous display system, comprising:
Concatenation unit 101: for a complete picture signal to be divided into muti-piece.
Driving unit 102: for the picture signal after driving display device display to divide.
Display unit 103: for showing the picture signal after dividing.
The concatenation unit 101 includes:
Signal blocking unit 1011: for carrying out piecemeal to input signal, wherein the input signal is believed by multiple ranks
Number composition.
Reference block selectes unit 1012: for using one of piecemeal as reference block.
Synchronization signal generates unit 1013: for generating a synchronization after first ranks signal generation of reference block
Signal.
Synchronization signal transmission unit 1014: for the synchronization signal of generation to be sent to other piecemeals.
Line count unit 1015: for starting the row to reference block when the generation of first ranks signal of reference block
Columns is counted, and when other piecemeals receive synchronization signal, starts to count the ranks number of other piecemeals.
Line count synchronization unit 1016: for making the line count of other piecemeals and the line count holding one of reference block
It causes.
Output unit 1017: it is used for synchronism output piecemeal signal.
Specifically, the concatenation unit 101 may also include that
Clock transmission unit 1018: for the clock of reference block to be sent to other piecemeals.
Clock synchronization unit 1019: for using the clock of reference block as the clock of other piecemeals.
Specifically, the driving unit 102 is the driving plate without memory.
Specifically, it when first ranks signal of reference block generates, is delayed after two clock cycle, the synchronization signal
It generates unit 1013 and just generates a synchronization signal.
The present invention after receiving complete picture signal, to input signal carry out piecemeal, using one of piecemeal as
The clock of reference block is sent to other piecemeals by reference block, this ensure that the clock of the picture signal after segmentation is synchronous；
Then one is generated after first ranks signal of reference block generates using the clock of reference block as the clock of other piecemeals
The synchronization signal of generation is sent to other piecemeals by synchronization signal, when first ranks signal of reference block generates, is started pair
The ranks number of reference block is counted, and when other piecemeals receive synchronization signal, start to the ranks numbers of other piecemeals into
Row counts, and the line count of the line count and reference block that make other piecemeals is consistent, the figure after in turn ensuring segmentation in this way
As the line count of signal is synchronous, last synchronism output piecemeal signal.
The present invention by being respectively transmitted to each screen again after handling the dynamic menu source after segmentation, source just
It ensure that the synchronization of dynamic image, moreover, the device for the picture signal after driving display device display to divide is without interior
The driving plate deposited, so that directly being shown after screen receives picture signal, it is no longer necessary to which memory processing is guaranteeing image
While signal simultaneous display, hardware cost is also saved.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (4)
1. screen wall synchronous display method, comprising steps of
S101: a complete picture signal is divided into muti-piece；
S102: the picture signal after driving display device display segmentation；
S103: the picture signal after display segmentation；
It is characterized by: the step S101 includes:
S1011: piecemeal is carried out to input signal, wherein the input signal is made of multiple ranks signals；
S1012: using one of piecemeal as reference block；
S1013: it after first ranks signal of reference block generates, is delayed after two clock cycle, generates a synchronization signal；
S1014: the synchronization signal of generation is sent to other piecemeals；
S1015: when first ranks signal of reference block generates, start to count the ranks number of reference block, and work as it
When his piecemeal receives synchronization signal, start to count the ranks number of other piecemeals；
S1016: the line count of the line count and reference block that make other piecemeals is consistent；
S1017: synchronism output piecemeal signal；
Between the step S1012 and the step S1013, there is also following steps:
S1018: the clock of reference block is sent to other piecemeals；
S1019: using the clock of reference block as the clock of other piecemeals.
2. screen wall synchronous display method according to claim 1, it is characterised in that: in the S102 step, for driving
The device of picture signal after dynamic display device display segmentation is the driving plate without memory.
3. screen wall synchronous display system, comprising:
Concatenation unit (101): for a complete picture signal to be divided into muti-piece；
Driving unit (102): for the picture signal after driving display device display to divide；
Display unit (103): for showing the picture signal after dividing；
It is characterized by: the concatenation unit (101) includes:
Signal blocking unit (1011): for carrying out piecemeal to input signal, wherein the input signal is by multiple ranks signals
Composition；
Reference block selectes unit (1012): for using one of piecemeal as reference block；
Synchronization signal generates unit (1013): for being delayed two clock weeks after first ranks signal generation of reference block
After phase, a synchronization signal is generated；
Synchronization signal transmission unit (1014): for the synchronization signal of generation to be sent to other piecemeals；
Line count unit (1015): for starting the ranks to reference block when the generation of first ranks signal of reference block
Number is counted, and when other piecemeals receive synchronization signal, starts to count the ranks number of other piecemeals；
Line count synchronization unit (1016): for making the line count of other piecemeals and the line count holding one of reference block
It causes；
Output unit (1017): it is used for synchronism output piecemeal signal；
The concatenation unit (101) further include:
Clock transmission unit (1018): for the clock of reference block to be sent to other piecemeals；
Clock synchronization unit (1019): for using the clock of reference block as the clock of other piecemeals.
4. screen wall synchronous display system according to claim 3, it is characterised in that: the driving unit (102) is not
Driving plate with memory.
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| CN201610289468.6A CN105761705B (en) | 2016-05-04 | 2016-05-04 | Screen wall synchronous display method and system |
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| CN110460891B (en) * | 2018-05-08 | 2021-09-10 | 杭州海康威视数字技术股份有限公司 | Video frame output method and device, electronic equipment and storage medium |
| CN112003928B (en) * | 2020-08-21 | 2021-06-25 | 深圳市康冠智能科技有限公司 | Multifunctional screen synchronous control method, device and equipment |
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| CN102426514A (en) * | 2011-11-07 | 2012-04-25 | 广东威创视讯科技股份有限公司 | Synchronous displaying method and device for large-screen spliced wall |
| CN104269128A (en) * | 2014-09-26 | 2015-01-07 | 京东方科技集团股份有限公司 | Spliced screen and driving method thereof |
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| KR20050022406A (en) * | 2003-08-30 | 2005-03-08 | 삼성전자주식회사 | Multi screen display device and control method thereof |
| JP2006337732A (en) * | 2005-06-02 | 2006-12-14 | Canon Inc | Image display system for conference |
| CN101370089B (en) * | 2008-09-05 | 2010-06-09 | 广东威创视讯科技股份有限公司 | Split joint display parallel processing system |
| CN104112441B (en) * | 2013-04-18 | 2016-08-10 | 深圳市迈普视通科技有限公司 | The removing method of aberration between a kind of multiple source splice displaying system and display screen seam |
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| CN101776985A (en) * | 2009-12-29 | 2010-07-14 | 广东威创视讯科技股份有限公司 | Synchronous display device, and synchronous tiled display system and synchronous display method thereof |
| CN102426514A (en) * | 2011-11-07 | 2012-04-25 | 广东威创视讯科技股份有限公司 | Synchronous displaying method and device for large-screen spliced wall |
| CN104269128A (en) * | 2014-09-26 | 2015-01-07 | 京东方科技集团股份有限公司 | Spliced screen and driving method thereof |
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Denomination of invention: Method and system for synchronous display of screen wall Effective date of registration: 20200420 Granted publication date: 20190507 Pledgee: Bank of Jiangsu, Limited by Share Ltd, Nanjing Pukou branch Pledgor: NANJING LOFTY DIGITAL TECHNOLOGY Co.,Ltd. Registration number: Y2020980001609 |