CN201359839Y - Image-enhanced screen splicing system - Google Patents
Image-enhanced screen splicing system Download PDFInfo
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- CN201359839Y CN201359839Y CNU2009200681784U CN200920068178U CN201359839Y CN 201359839 Y CN201359839 Y CN 201359839Y CN U2009200681784 U CNU2009200681784 U CN U2009200681784U CN 200920068178 U CN200920068178 U CN 200920068178U CN 201359839 Y CN201359839 Y CN 201359839Y
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Abstract
An image-enhanced screen splicing system comprises a plurality of spliced display units, a video distributor and a control interface, wherein each display unit includes a display screen and a video processing board; the display screen is connected with the video processing board through a display interface; the video processing board is connected with the control interface; the video processing board includes a video processing module and a control module connected with the video processing module through a communication interface; the video processing module is connected with the display screen through the display interface; the video processing module includes a video processing unit; and a video enhancing module is arranged in the video processing unit. The image-enhanced screen splicing system has the advantages of low cost, high start speed, high stability, simple development, good video effect, and no mutual influences among the processing units. After using the video image enhancing technique, the screen splicing system has the video image enhancing function besides the prior video amplification function, thereby greatly improving the video quality.
Description
Technical field
The utility model belongs to mosaic screen display technique field, particularly a kind of system for splicing display screens that can strengthen image display effect.
Background technology
China Patent No. is multi-screen splicing method and the device of 200810026939.X, this multi-screen splicing apparatus comprises image-forming module, control module and image segmentation concatenation module, control module is used for adjusting according to the bandwidth criteria of the image delivery outlet of spliced total resolution and GPU the output refresh rate of GPU, allow the output resolution ratio of GPU meet the requirement of splicing total resolution, image segmentation concatenation module segmenting video data and in the splicing of the realization standard output down synchronously of the standard pixel clock of control module.It can improve the output resolution ratio of GPU, realizes high-resolution multi-screen splicing.But this device is a computer based system, and it is higher to have a cost, and toggle speed is slower, the shortcoming that stability is not high yet.
In addition, in existing system for splicing display screens,, can't carry out image effect and strengthen owing to be subject to the restriction of single computing power.Its image effect is barely satisfactory, and the picture quality of the single display unit in the system for splicing display screens can not show a candle to the picture quality of the single display screen in the common unit.
In addition, China Patent No. is spliced circuit module and a control method thereof in the described LCD giant-screen of 200710042286.X, it is the system of a bus type, in case system has a graphics processing unit to go wrong, can have influence on the graphics processing unit that is connected to its back level.
The utility model content
The purpose of this utility model is, provides that a kind of toggle speed is fast, good stability, the simple figure image intensifying of exploitation system for splicing display screens.
A kind of figure image intensifying system for splicing display screens, it is characterized in that comprising: the display unit of a plurality of splicings, video distributor and control interface, each display unit comprises display screen and Video processing plate, link to each other by display interface between described display screen and the Video processing plate, described Video processing plate is connected with described control interface, described Video processing plate comprises video processing module and the control module that is connected by communication interface, described video processing module is connected with described display screen by display interface, wherein, described video processing module comprise by control bus be connected with data bus as lower unit:
The numeral input processing unit is used to provide the digital of digital video data input interface;
The analog input processing unit is used for the analog video data input interface;
The Video processing buffer zone is used to cushion the digital of digital video data of input;
Video processing unit is used for reading and handling from described Video processing buffer zone the digital of digital video data and the output of input, is provided with video in the described video processing unit and strengthens module;
Output control unit is connected with described display screen by display interface, is used for that corresponding display screen is controlled and exported to the video data of video processing unit input and shows;
The I2C control module, it includes the I2C interface that is connected with described control interface;
The UART control module, it includes the UART interface that is connected with described control interface.
Further, described video strengthens module and comprises a plurality of or whole with in the lower module that are connected on described data bus and the control bus:
Three-dimensional go interlacing module, self-adaptation dynamic noise reduction module, nonlinear images sharpening module, image color strengthen module, based on the dynamic contrast adjusting module of picture material, based on the dynamic brightness adjusting module of picture material.
Further, described output control unit is the LVDS output control unit, and described display interface is the LVDS interface.
Further, the digital of digital video data input interface of described digital input processing unit is HDMI or DVI interface.
Further, the analog video data input interface of described analog input processing unit is VGA, S-VIDEO interface.
Further, the control module of described each described Video processing plate is connected with described control interface by the RS485 interface.
The utility model has the advantages that: cost is low, toggle speed is fast, stability is high, exploitation is simple, video effect is good, processing unit can not interact.And in the mosaic screen system, adopted after the video image enhancement techniques, except can having existing video enlarging function, also can possess the video and graphic enhancement function, comprise three-dimensional deinterlacing technique, self-adaptation dynamic noise reduction, nonlinear images sharpening, image color strengthen, based on the dynamic contrast adjustment of picture material, based on the dynamic brightness adjustment of picture material etc., promoted video quality greatly.
Further specify the utility model below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is the utility model figure image intensifying system for splicing display screens embodiment block diagram;
Fig. 2 is a Video processing plate structure block diagram among the utility model embodiment;
Fig. 3 is the internal frame diagram of video processing module among the utility model embodiment.
Embodiment
As shown in Figure 1, a kind of figure image intensifying system for splicing display screens comprises display unit, video distributor and the control interface of a plurality of splicings, and each display unit comprises display screen and Video processing plate, links to each other by display interface between wherein said display screen and the Video processing plate.
As shown in Figure 2, described Video processing plate comprises video processing module (can adopt asic chip) and control module (can adopt the ARM chip), is connected with the I2C interface by the UART interface between described video processing module and the control module.Described by UART interface and I
2The mode of this double nip of C interface guarantees the stable and smooth of figure image intensifying system for splicing display screens work.
Wherein, the control module of described each described Video processing plate is connected with described control interface by the RS485 interface.
Described Video processing plate carries out video control by the control signal of described control interface input.This control signal comprises sets the video data that corresponding Video processing plate need be handled.For example, 3 * 3 to be example, need content displayed by the display screen of setting each Video processing plate correspondence, the vedio data that this Video processing plate only need be handled corresponding to this screen position place gets final product.For example the display unit of setting the upper left corner by described control interface shows 1/9th the video image that is positioned at the upper left corner, and the Video processing plate of the display unit in this upper left corner only need be handled corresponding video data and get final product.Also can smoothly handle even handle high-resolution video data like this, and can be in the video data resolution of correspondence during less than the resolution of the display screen of display unit, by the interpolation calculation of video processing module, to strengthen the display effect of image.This mode of carrying out individual processing after the setting that video data is distributed, when handling high-resolution video data, advantages such as the assembly screen that need not just well to finish by high performance graphics processing unit image shows, it has, and cost is low, toggle speed fast, stability is high, exploitation is simple, video effect is good, processing unit can not interact.
As shown in Figure 3, described video processing module comprise by control bus be connected with data bus as lower unit:
The numeral input processing unit is used to provide the digital of digital video data input interface, as HDMI, DVI interface etc.;
The analog input processing unit is used for the analog video data input interface, as VGA, CVBS (Composite VideoBroadcast Signal composite video broadcast singal), S-VIDEO interface etc.
The Video processing buffer zone is used to cushion the digital of digital video data of input;
Video processing unit is used for reading and handling from described Video processing buffer zone the digital of digital video data and the output of input; Be provided with video in the described video processing unit and strengthen module, be used for video data being strengthened in the fast acquisition of digital video data, and the output of the video data after will strengthening;
Output control unit is used for that corresponding display screen is controlled and exported to the video data of video processing unit input and shows, adopts the LVDS output control unit in the present embodiment.
The I2C control module, it includes the I2C interface that is connected with described control interface, is used for the I2C signal controlling.
The UART control module, it includes the UART interface that is connected with described control interface, is used for the UART signal controlling.
Wherein, described video strengthen module comprise be connected on described data bus and the control bus with lower module:
Three-dimensional go interlacing module, self-adaptation dynamic noise reduction module, nonlinear images sharpening module, image color strengthen module, based on the dynamic contrast adjusting module of picture material, based on the dynamic brightness adjusting module of picture material.
When described control module can't be passed through I2C interface control of video processing module, described control module was selected by UART interface sending control information to described video processing module.In case it is normal that the I2C interface recovers, described control module will use the I2C interface to send control information to described video processing module.Because the UART control interface of described video processing module is originally as receiving data, when sending control information, video frequency processing chip can make that the processing speed of video frequency processing chip is affected slightly so use the UART interface, therefore at I when described control module
2After C interface is working properly, change back I with control mode
2C interface.
Above-described embodiment only is used to illustrate technological thought of the present invention and characteristics, its purpose makes those skilled in the art can understand content of the present invention and is implementing according to this, when can not only limiting claim of the present invention with present embodiment, be all equal variation or modifications of doing according to disclosed spirit, still drop in the claim of the present invention.
Claims (7)
1, a kind of figure image intensifying system for splicing display screens, it is characterized in that comprising: the display unit of a plurality of splicings, video distributor and control interface, each display unit comprises display screen and Video processing plate, link to each other by display interface between described display screen and the Video processing plate, described Video processing plate is connected with described control interface, described Video processing plate comprises video processing module and the control module that is connected by communication interface, described video processing module is connected with described display screen by display interface, wherein, described video processing module comprise by control bus be connected with data bus as lower unit:
The numeral input processing unit is used to provide the digital of digital video data input interface;
The analog input processing unit is used for the analog video data input interface;
The Video processing buffer zone is used to cushion the digital of digital video data of input;
Video processing unit is used for reading and handling from described Video processing buffer zone the digital of digital video data and the output of input, is provided with video in the described video processing unit and strengthens module;
Output control unit is connected with described display screen by display interface, is used for that corresponding display screen is controlled and exported to the video data of video processing unit input and shows;
The I2C control module, it includes the I2C interface that is connected with described control interface;
The UART control module, it includes the UART interface that is connected with described control interface.
2, figure image intensifying system for splicing display screens according to claim 1 is characterized in that: described video strengthens module and comprises a plurality of or whole with in the lower module that are connected on described data bus and the control bus:
Three-dimensional go interlacing module, self-adaptation dynamic noise reduction module, nonlinear images sharpening module, image color strengthen module, based on the dynamic contrast adjusting module of picture material, based on the dynamic brightness adjusting module of picture material.
3, figure image intensifying system for splicing display screens according to claim 2 is characterized in that: be connected with the I2C interface by the UART interface between described video processing module and the control module.
4, figure image intensifying system for splicing display screens according to claim 3, it is characterized in that: described output control unit is the LVDS output control unit, described display interface is the LVDS interface.
5, figure image intensifying system for splicing display screens according to claim 3 is characterized in that: the digital of digital video data input interface of described digital input processing unit is HDMI or DVI interface.
6, figure image intensifying system for splicing display screens according to claim 3 is characterized in that: the analog video data input interface of described analog input processing unit is VGA, S-VIDEO interface.
7, according to the described figure image intensifying of arbitrary claim system for splicing display screens in the claim 1 to 6, it is characterized in that: the control module of described each described Video processing plate is connected with described control interface by the RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200681784U CN201359839Y (en) | 2009-02-27 | 2009-02-27 | Image-enhanced screen splicing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200681784U CN201359839Y (en) | 2009-02-27 | 2009-02-27 | Image-enhanced screen splicing system |
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| CN201359839Y true CN201359839Y (en) | 2009-12-09 |
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| CNU2009200681784U Expired - Fee Related CN201359839Y (en) | 2009-02-27 | 2009-02-27 | Image-enhanced screen splicing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012795A (en) * | 2010-09-30 | 2011-04-13 | 深圳市创维群欣安防科技有限公司 | Method for remotely adjusting gap edge compensation of liquid crystal splicing display units |
| CN102438163A (en) * | 2010-08-24 | 2012-05-02 | Lg电子株式会社 | Stereoscopic image processing device, method for processing stereoscopic image, and multivision display system |
| CN104378646A (en) * | 2014-11-17 | 2015-02-25 | 中国电子科技集团公司第二十八研究所 | Video coding display system |
| CN109274901A (en) * | 2018-11-07 | 2019-01-25 | 深圳市灵星雨科技开发有限公司 | A kind of video processor and video display control system |
| CN112312202A (en) * | 2020-08-10 | 2021-02-02 | 浙江宇视科技有限公司 | Decoding splicing processing equipment |
-
2009
- 2009-02-27 CN CNU2009200681784U patent/CN201359839Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438163A (en) * | 2010-08-24 | 2012-05-02 | Lg电子株式会社 | Stereoscopic image processing device, method for processing stereoscopic image, and multivision display system |
| CN102012795A (en) * | 2010-09-30 | 2011-04-13 | 深圳市创维群欣安防科技有限公司 | Method for remotely adjusting gap edge compensation of liquid crystal splicing display units |
| CN104378646A (en) * | 2014-11-17 | 2015-02-25 | 中国电子科技集团公司第二十八研究所 | Video coding display system |
| CN109274901A (en) * | 2018-11-07 | 2019-01-25 | 深圳市灵星雨科技开发有限公司 | A kind of video processor and video display control system |
| CN112312202A (en) * | 2020-08-10 | 2021-02-02 | 浙江宇视科技有限公司 | Decoding splicing processing equipment |
| CN112312202B (en) * | 2020-08-10 | 2023-02-28 | 浙江宇视科技有限公司 | Decoding splicing processing equipment |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091209 Termination date: 20140227 |