CN103021377B - A kind of ultrahigh-definition multi-screen image disposal system - Google Patents
A kind of ultrahigh-definition multi-screen image disposal system Download PDFInfo
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Abstract
The present invention relates to a kind of ultrahigh-definition multi-screen image disposal system, comprise signal generation apparatus and sender unit.Sender unit communicates with at least two display screens of its exterior with signal generation apparatus respectively.Signal generation apparatus is used for the receiving system outside ultra high-definition signal source of sending, and signal source is divided into the multichannel splitting signal equal with exterior display screen number and transfers to sender unit.Sender unit is for receiving at least two-way splitting signal, and Bing Jiangmei road splitting signal is sent to display screen corresponding to this road splitting signal.Display screen is for receiving splitting signal and the content of tiled display splitting signal.Technical scheme of the present invention carries out dividing processing to the high-definition signal source that outside inputs, and keep the resolution of splitting signal constant, utilize processing power and the video interface of active computer, realize process and the display of ultrahigh-definition multi-screen image, thus achieve ultra high-definition image display truly.
Description
Technical field
The present invention relates to a kind of giant-screen ultra high-definition image processing system.
Background technology
Along with the development of digital technology, the new technology of the link such as image is shot with video-corder, store, transmit, display emerges in an endless stream, and society is more strong to the demand of reappearing nature living scene by audio-visual aids more really.Simultaneously also increasing for the demand of the display screen of ultrahigh resolution in industries such as engineering design, military affairs, medical treatment.Therefore, on the HDTV Systems generally applied at present and display specification, the audiovisual standard of ultrahigh resolution and application can become the new focus in digital audio-video field.
Ultrahigh resolution refers to higher than current high definition resolution 1920 × 1080, reaches 4 times of high definition resolution i.e. 3840 × 2160(or 4096 × 2160), 16 times of high definition resolution i.e. 7680 × 4320(or 8192 × 4320 even) display format.Also under test in the ultrahigh resolution program record and broadcast of digital television broadcasting field at present, in display field, be proposed ultrahigh resolution display model machine.In order to adapt to this situation, schedule just put on by ultrahigh resolution signal generator.
Now, the present situation on over-large screen display system is, the first, and owing to not having the signal source of ultrahigh resolution, at present when ultrahigh resolution display application, the scheme as signal source to have high-definition signal by interpolation algorithm process, up-converts into the form of ultra high-definition.The second, adopt Video processing and splicing, a high definition or standard definition signal are passed through segmentation, each tiled display shows, such method, usually can increase with display screen, and reduce the resolution of image.No matter which kind of scheme above-mentioned, does not all adopt the real signal source having ultrahigh resolution information, cannot show superelevation complete image content clearly, impair final bandwagon effect.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of image processing system that can realize the ultra high-definition display of multi-screen splicing image.
Technical scheme of the present invention is as follows: a kind of ultrahigh-definition multi-screen image disposal system, comprise signal generation apparatus and sender unit, described sender unit communicates with at least two display screens of described signal generation apparatus with described ultrahigh-definition multi-screen image disposal system outside respectively;
Described signal generation apparatus, for receiving the ultra high-definition signal source that described ultrahigh-definition multi-screen image disposal system outside is sent, and described ultra high-definition signal source is divided into the multichannel splitting signal equal with described display screen number, transfer to described sender unit;
Described sender unit, for receiving described splitting signal, Bing Jiangmei road splitting signal is sent to this display screen corresponding to splitting signal of road.
The present invention, on the basis of technique scheme, can also do following improvement.
Further, described signal generation apparatus, according to the Splicing model of described at least two display screens, splits described ultra high-definition signal source.
Further, described signal generation apparatus comprises signal reading module, signal segmentation module and the first data memory module;
Described signal segmentation module is connected with described first data memory module with described signal reading module respectively, and described first data memory module also communicates with described sender unit;
Described signal segmentation module, for receiving the described ultra high-definition signal source that described signal reading module obtains, and is divided into the multi-split signal equal with described display screen number by described ultra high-definition signal source;
Described first data memory module, for receive and preserve described signal segmentation module send splitting signal; Also for described splitting signal is transferred to described sender unit.
Further, described signal generation apparatus also comprises the first decompression module, and described first decompression module is serially connected between described signal reading module and described signal segmentation module;
Described first decompression module, for decompressing to by the ultra high-definition signal source compressed, and is sent to described signal segmentation module.
Further, described signal generation apparatus also comprises compression module, and described compression module is serially connected between described signal segmentation module and described first data memory module;
Described compression module, for compressing the splitting signal that described segmentation module exports, and is sent to described first data memory module by the splitting signal after compression.
Further, described sender unit comprises signal synchronization module and the multiple signal transmitting module equal with described display screen number;
Described signal transmitting module all communicates with described signal generation apparatus, receives the splitting signal of described signal generation apparatus transmission;
Each signal transmitting module is all connected with a display screen, the splitting signal preserved is sent to coupled display screen display in described signal transmitting module;
Described signal synchronization module is connected with described each signal transmitting module respectively, sends described splitting signal for selecting and controlling described signal transmitting module to described display screen; Described signal synchronization module also to send the frame rate of described splitting signal to described display screen for arranging described signal transmitting module.
Further, described signal transmitting module comprises the second data memory module, playing module and interface module;
Described playing module is connected with described interface module with described second data memory module respectively; Described playing module is also connected with described signal synchronization module;
Described second data memory module also communicates with described signal generation apparatus, and described interface module is also connected with described display screen;
Described second data memory module, for preserving the splitting signal that the transmission of described signal generation apparatus comes, and is sent to described playing module;
Described playing module, for the control according to described signal synchronization module, sends described splitting signal by described interface module to the display screen be connected with this signal transmitting module.
Further, described signal transmitting module also comprises the second decompression module, and described second decompression module is serially connected between described second data memory module and described playing module;
Described second decompression module, for decompressing to by the splitting signal compressed, and is sent to described playing module.
The invention has the beneficial effects as follows: the processing power of existing commercial PC and interface status all support the transmission of high-definition signal, technical solution of the present invention carries out dividing processing to the high-definition signal source that outside inputs, and keep the resolution of splitting signal constant, utilize processing power and the video interface of active computer, realize process and the display of ultrahigh-definition multi-screen image, thus achieve ultra high-definition image display truly.
Accompanying drawing explanation
Fig. 1 is the System's composition block diagram of ultrahigh-definition multi-screen image disposal system of the present invention;
Fig. 2 is the formation schematic diagram of the first implementation of signal generation apparatus in the present invention;
Fig. 3 is the formation schematic diagram of the second implementation of signal generation apparatus in the present invention;
Fig. 4 is the formation schematic diagram of the third implementation of signal generation apparatus in the present invention;
Fig. 5 is the formation schematic diagram of sender unit in the present invention;
Fig. 6 is the formation schematic diagram of the first implementation of signal transmitting module in the present invention;
Fig. 7 is the formation schematic diagram of the second implementation of signal transmitting module in the present invention;
Fig. 8 is the formation schematic diagram that in the present invention, display screen is spliced to form four times of high-definition display screens according to cross-partition pattern;
Fig. 9 is the formation schematic diagram that in the present invention, display screen is spliced to form four times of high-definition display screens according to vertical segmentation pattern;
Figure 10 is the formation schematic diagram that in the present invention, display screen is spliced to form four times of high-definition display screens according to horizontal segmentation pattern.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, ultrahigh-definition multi-screen image disposal system of the present invention comprises signal generation apparatus 10 and sender unit 20.Sender unit 20 communicates with at least two display screens 30 of signal generation apparatus 10 with ultrahigh-definition multi-screen image disposal system outside respectively.Wherein, signal generation apparatus 10, for receiving the ultra high-definition signal source that image processing system outside is sent, and ultra high-definition signal source is divided at least two-way splitting signal matched with display screen number, the ultra high-definition signal source being about to receive is divided into the multichannel splitting signal equal with display screen number, then transfers to sender unit 20.Sender unit 20, for receiving at least two-way splitting signal, Bing Jiangmei road splitting signal is sent to display screen corresponding to this road splitting signal.Display screen 30, for receiving splitting signal, and the content of tiled display splitting signal.
According to the number of display screen and the Splicing model of display screen that realize the required splicing of large screen display, the high-definition signal source that outside inputs is divided into some roads splitting signal, every road splitting signal represents the zones of different of ultra high-definition signal source view data respectively, after dividing processing is carried out to ultra high-definition signal source, keep that former resolution is constant exports display screen 30 to.The splitting signal being about to represent zones of different image information is sent to its corresponding display screen, all shows ultra high-definition image on a display screen.Because every block display screen all shows ultra high-definition image, and then also just achieve the ultra high-definition image display of giant-screen.
Signal generation apparatus 10 is according to the ultra high-definition signal source of the outside input of following two aspect segmentation:
On the one hand, need the number judging to be spliced to form the display screen of giant-screen, the giant-screen of the needs be such as spliced to form by four pieces of display screens four times of high definition displays, then ultra high-definition signal source is divided into four road splitting signals by signal generation apparatus 10;
On the other hand, also need the Splicing model judging display screen, comprise cross-partition pattern, vertical segmentation pattern, horizontal segmentation pattern three kinds.As shown in Figure 8, giant-screen is spliced to form by the display screen that four pieces is cross distribution, i.e. cross-partition pattern, now, the resolution of every road splitting signal is 1920 × 1080.As shown in Figure 9, giant-screen is spliced to form by the display screen that four pieces is genesis analysis, i.e. vertical segmentation pattern, now, the resolution of every road splitting signal is 960 × 2160.As shown in Figure 10, giant-screen is spliced to form by four pieces of laterally distributed display screens, i.e. horizontal segmentation pattern, now, the resolution of every road splitting signal is 3840 × 540.The display of above-mentioned three kinds of Splicing models requires to be 2073600 pixel/frame.
As shown in Figure 2, signal generation apparatus 10 comprises signal reading module 11, signal segmentation module 12, first data memory module 13.Signal segmentation module 12 is connected with the first data memory module 13 with signal reading module 11 respectively, and the first data memory module 13 also communicates with sender unit 20.Wherein, signal segmentation module 12, for the ultra high-definition signal source that Received signal strength read module 11 obtains, and is divided into the multichannel splitting signal equal with exterior display screen number by ultra high-definition signal source.First data memory module 13, for receive and preserve signal segmentation module 12 send splitting signal; Also for splitting signal is transferred to sender unit 20.
Signal reading module 11 receives outside ultra high-definition signal source and is then sent to signal segmentation module 12, carries out dividing processing by signal segmentation module 12 according to the above-mentioned principle mentioned to ultra high-definition signal, and is sent to the first data memory module 13 further and preserves.Below for times high definition of four shown in Fig. 9, the process of signal segmentation is simply introduced.First, signal segmentation module 12 reads the complete data of a frame, and is kept at core buffer.Secondly, signal segmentation module 12 reads the data of (0,2160) in these frame data ~ (960,2160) in the buffer, and preserves for being sent in the first data memory module 13 after its name.Then, signal segmentation module 12 reads (960 in these frame data more respectively, 2160) ~ (1920,2160) data, (1920,2160) data of ~ (2880,2160), (2880,2160) ~ (3840,2160) data, and be sent to the first data memory module 13 and preserve after name respectively.Finally, by the first data memory module 13, the signal after segmentation is sent to sender unit 20.Such as splitting signal is sent to sender unit 20 by the mode of wire communication or radio communication by the first data memory module 13.Or also send by External memory equipments such as portable hard drives, splitting signal is first sent in External memory equipment by the first data memory module 13, then copies splitting signal to sender unit 20 by External memory equipment.
For the horizontal segmentation pattern shown in the cross-partition pattern shown in Fig. 8 and Figure 10, the method of its splitting signal is substantially identical with said process, be all by the image information of ultra high-definition signal source according to Splicing model, the Iamge Segmentation of zones of different preserved, repeats no more herein.
As shown in Figure 3, signal generation apparatus 10 also can comprise the first decompression module 14, first decompression module 14 and is serially connected between signal reading module 11 and signal segmentation module 12.First decompression module 14, for decompressing to by the ultra high-definition signal source compressed, and is sent to signal segmentation module 12.When the ultra high-definition signal source of outside input is compressed signal, then need to arrange the first decompression module 14, first by after being decompressed by the ultra high-definition signal source compressed, image could be split according to the method described above, and then realize ultrahigh-definition multi-screen image display.
See Fig. 4, signal generation apparatus 10 also can comprise compression module 15, and compression module 15 is serially connected between signal segmentation module 12 and the first data memory module 13.Compression module 15, for compressing the splitting signal that segmentation module exports, and is sent to the first data memory module 13 by the splitting signal after compression.Technical solution of the present invention also according to user's request, can export after being compressed by splitting signal again.
Signal generation apparatus 10 device can comprise following three kinds of situations to the splitting signal that sender unit 20 provides:
Splitting signal is baseband signal, the quantity of information that this signal form is applicable to transmit is less and high to image quality requirements, the Lossless transport that must realize information time, namely, in scheme shown in Fig. 2 and Fig. 3, after splitting signal source, directly splitting signal is kept in the first data memory module 13.
Or splitting signal is Lossless Compression signal, the situation that the quantity of information that this signal form is applicable to transmit is comparatively large and high to image quality requirements.Or splitting signal is lossy compression method signal, the situation that the quantity of information that this signal form is applicable to transmit is comparatively large and not high to image quality requirements.Namely, as shown in Figure 4, after splitting signal source, Xian Jiangmei road splitting signal is saved in the first data memory module 13 after carrying out compression process again.
When the ultra high-definition signal source of outside input is compressed signal, as shown in Figure 4, the first decompression module 14 is set this compressed signal data decompression is converted to baseband signal, then signal segmentation process is carried out to it; If when the demand of sender unit 20 pairs of splitting signals is compressed signal, then arrange compression module 15 more as shown in Figure 4, after being compressed by splitting signal, be saved to the first data memory module 13 again.
As shown in Figure 5, sender unit 20 comprises signal synchronization module 21 and the multiple signal transmitting module 22 equal with exterior display screen number.Signal transmitting module 22 all communicates with signal generation apparatus 10, the splitting signal that Received signal strength generating means 10 transmits.Each signal transmitting module 22 is all connected with a display screen 30, the splitting signal preserved is sent to coupled display screen 30 shows in signal transmitting module 22.Signal synchronization module 21 is connected with signal transmitting module 22 respectively, sends splitting signal for selecting also control signal sending module 22 to display screen 30; Signal synchronization module 21 also sends the frame rate of splitting signal to display screen 30 for signalization sending module 22.
Signal transmitting module 22 receives the splitting signal processed through signal generation apparatus 10, cooperatively interacts with signal synchronization module 21, and multichannel splitting signal is sent to display screen 30.
1., after enabling signal dispensing device 20, the frame rate of control signal can be exported to signal transmitting module 22 by first signalization synchronization module 21.Such signal synchronization module 21 exports control signal according to the frame rate preset to signal transmitting module 22, and signal transmitting module 22 receives control signal, then send the data of a frame to display screen 30, thus controls multiple signal transmitting module 22 synchronized transmission data.
2., after enabling signal dispensing device 20, also can input the pre-file name play to signal synchronization module 21, control signal sending module 22 selects the information play to display screen 30.Because multiple divided file may be preserved in each signal transmitting module 22, like this before broadcast information, the outside file name first inputting this and intend playing, each signal transmitting module 22 is sent to by signal synchronization module 21, select corresponding file (splitting signal namely preserved in it) by signal transmitting module 22, so signal transmitting module 22 in the control signal sent according to signal synchronization module 21 to display screen 30 output information.
3. signal synchronization module 21 is by the file name play in advance and start play signal (after signal synchronization module 21 sends and start play signal, that goes round and begins again according to predetermined frame frequency transmits control signal again) be sent to signal transmitting module 22 after, wait for the schedule time, such as 1 second, judge whether peripheral operation person makes to signal synchronization module 21 instruction stopping playing, if signal synchronization module 21 receives the instruction stopping playing, the signal stopping playing then is sent to signal transmitting module 22, after each signal transmitting module 22 receives above-mentioned signal, then close file, stop broadcasting, namely signal transmitting module 22 no longer sends splitting signal to display screen 30, if signal synchronization module 21 does not receive the instruction stopping playing, then when starting by device, the frame rate of setting sends synchronous control signal to each signal transmitting module 22 periodically.
As shown in Figure 6, signal transmitting module 22 comprises the second data memory module 221, playing module 222, interface module 223; Playing module 222 is connected with interface module 223 with the second data memory module 221 respectively; Playing module 222 is also connected with signal synchronization module 21; Second data memory module 221 also communicates with signal generation apparatus 10, and interface module 223 is also connected with display screen 30.Wherein, the second data memory module 221, transmits for preserving signal generation apparatus 10 the splitting signal of coming, and is sent to playing module 222.Playing module 222, for the control according to signal synchronization module 21, sends splitting signal by interface module 223 to the display screen 30 be connected with this signal transmitting module 22.
As shown in Figure 7, signal transmitting module 22 also can comprise the second decompression module 224, second decompression module 224 and is serially connected between the second data memory module 221 and playing module 222; Second decompression module 224, for decompressing to by the splitting signal compressed, and is sent to playing module 222.
Below the course of work of sender unit 20 is simply introduced.
First, the splitting signal of process is transferred in the second data memory module 221 by modes such as wire communication, radio communication or External memory equipments by signal generation apparatus 10.Be shown as example with four times of high definitions, outside ultra high-definition signal source is split into four road splitting signals, be then kept in four signal transmitting module 22 by four road splitting signals respectively.
Secondly, if splitting signal is the signal of compressed format, then splitting signal is first sent to the second decompression module 224 by the second data memory module 221, carries out data decompression by the second decompression module 224 to it, is converted to baseband signal and is sent to playing module 222 again.
Finally, playing module 222 acknowledge(ment) signal synchronization module 21 presses the control signal that predetermined frame frequency sends, and sends splitting signal frame by frame by interface module 223 to display screen 30.
Polylith display screen 30 receives the splitting signal that coupled signal transmitting module 22 sends respectively, and show the image information of this splitting signal representative, thus the giant-screen be spliced to form by polylith display screen 30 also just achieves ultra high-definition image display truly.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a ultrahigh-definition multi-screen image disposal system, it is characterized in that, comprise signal generation apparatus and sender unit, described sender unit communicates with at least two display screens of described signal generation apparatus with described ultrahigh-definition multi-screen image disposal system outside respectively;
Described signal generation apparatus, for receiving the ultra high-definition signal source that described ultrahigh-definition multi-screen image disposal system outside is sent, and described ultra high-definition signal source is divided into the multichannel splitting signal equal with described display screen number, transfer to described sender unit;
Described signal generation apparatus comprises following three kinds of situations to the described splitting signal that described sender unit provides: described splitting signal is baseband signal, or described splitting signal is Lossless Compression signal, or described splitting signal is lossy compression method signal;
Described sender unit, for receiving described splitting signal, Bing Jiangmei road splitting signal is sent to this display screen corresponding to splitting signal of road;
Described signal generation apparatus, according to the number of described at least two display screens and Splicing model, splits described ultra high-definition signal source, and the Splicing model of described display screen comprises cross-partition pattern, vertical segmentation pattern, horizontal segmentation pattern three kinds.
2. according to ultrahigh-definition multi-screen image disposal system according to claim 1, it is characterized in that, described signal generation apparatus comprises signal reading module, signal segmentation module and the first data memory module;
Described signal segmentation module is connected with described first data memory module with described signal reading module respectively, and described first data memory module also communicates with described sender unit;
Described signal segmentation module, for receiving the described ultra high-definition signal source that described signal reading module obtains, and is divided into the multichannel splitting signal equal with described display screen number by described ultra high-definition signal source;
Described first data memory module, for receive and preserve described signal segmentation module send splitting signal; Also for described splitting signal is transferred to described sender unit.
3. according to ultrahigh-definition multi-screen image disposal system according to claim 2, it is characterized in that, described signal generation apparatus also comprises the first decompression module, and described first decompression module is serially connected between described signal reading module and described signal segmentation module;
Described first decompression module, for decompressing to by the ultra high-definition signal source compressed, and is sent to described signal segmentation module.
4. according to ultrahigh-definition multi-screen image disposal system according to claim 3, it is characterized in that, described signal generation apparatus also comprises compression module, and described compression module is serially connected between described signal segmentation module and described first data memory module;
Described compression module, for compressing the splitting signal that described segmentation module exports, and is sent to described first data memory module by the splitting signal after compression.
5. according to ultrahigh-definition multi-screen image disposal system according to claim 2, it is characterized in that, described signal generation apparatus also comprises compression module, and described compression module is serially connected between described signal segmentation module and described first data memory module;
Described compression module, for compressing the splitting signal that described segmentation module exports, and is sent to described first data memory module by the splitting signal after compression.
6. according to ultrahigh-definition multi-screen image disposal system according to claim 1, it is characterized in that, described sender unit comprises signal synchronization module and the multiple signal transmitting module equal with described display screen number;
Described signal transmitting module all communicates with described signal generation apparatus, receives the splitting signal of described signal generation apparatus transmission;
Each signal transmitting module is all connected with a display screen, the splitting signal preserved is sent to coupled display screen display in described signal transmitting module;
Described signal synchronization module is connected with described each signal transmitting module respectively, sends described splitting signal for selecting and controlling described signal transmitting module to described display screen; Described signal synchronization module also to send the frame rate of described splitting signal to described display screen for arranging described signal transmitting module.
7. according to ultrahigh-definition multi-screen image disposal system according to claim 6, it is characterized in that, described signal transmitting module comprises the second data memory module, playing module and interface module;
Described playing module is connected with described interface module with described second data memory module respectively; Described playing module is also connected with described signal synchronization module;
Described second data memory module also communicates with described signal generation apparatus, and described interface module is also connected with described display screen;
Described second data memory module, for preserving the splitting signal that the transmission of described signal generation apparatus comes, and is sent to described playing module;
Described playing module, for the control according to described signal synchronization module, sends described splitting signal by described interface module to the display screen be connected with this signal transmitting module.
8. according to ultrahigh-definition multi-screen image disposal system according to claim 7, it is characterized in that, described signal transmitting module also comprises the second decompression module, and described second decompression module is serially connected between described second data memory module and described playing module;
Described second decompression module, for decompressing to by the splitting signal compressed, and is sent to described playing module.
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| CN102547205A (en) * | 2011-12-21 | 2012-07-04 | 广东威创视讯科技股份有限公司 | Method and system for displaying ultra-high resolution image |
| CN102611869A (en) * | 2012-02-10 | 2012-07-25 | 江苏清投视讯科技有限公司 | Output-oriented network transmission technique of multi-screen splicing system |
| CN203204998U (en) * | 2012-12-21 | 2013-09-18 | 北京牡丹视源电子有限责任公司 | Ultra high-definition multi-screen image processing system |
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