CN106534720A - Image switching and splicing display system based on high-speed data bus - Google Patents
Image switching and splicing display system based on high-speed data bus Download PDFInfo
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- CN106534720A CN106534720A CN201610982395.9A CN201610982395A CN106534720A CN 106534720 A CN106534720 A CN 106534720A CN 201610982395 A CN201610982395 A CN 201610982395A CN 106534720 A CN106534720 A CN 106534720A
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- 230000005540 biological transmission Effects 0.000 claims description 42
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
Abstract
The invention discloses an image switching and splicing display system based on a high-speed data bus. The image switching and splicing display system is characterized by comprising an input plate and an output plate, wherein the output plate is connected with the input plate; the input plate includes multiple signal input single plates successively connected; the output plate includes multiple signal output single plates successively connected; and the last signal input single plate is connected with the first signal output single plate. According to the image switching and splicing display system disclosed by the invention, the structure is simple, the system flexibility is stronger, the cost and the system power consumption are simultaneously reduced, the system performance is more stable, and the maintenance is more convenient; the image processing of the invention can be multistage processing, so an image processing function is stronger; and thus, the functions such as image switching, segmenting, splicing, windowing and the like can be realized; and the image switching and splicing display system is applied to promotion and application.
Description
Technical field
The present invention relates to a kind of image display system, specifically refers to a kind of image switching based on high speed data bus and spells
Connect display system.
Background technology
Used in existing HD video switching and splicing, the method for backboard transmission view data is gone here and there based on high speed
What row video data bus (usually SEDERS or LVDS) and bus switch chip (CROSS POINT) were realized, first with
FPGA device by high-definition video signal (DVI, HDMI, VGA etc.) be converted into high speed serialization video data (usually SEDERS or
LVDS), recycle bus switch chip (CROSS POINT) to realize video exchange, finally recycle FPGA device to go here and there high speed
Row video data is converted into the high definition such as DVI, HDMI, VGA picture signal and exports, and realizes splicing and the window display of image, this
The limitation of the system of kind embodies in the following areas：
(1) in terms of product flexibility：Realize that bus data switching flexibility is relatively low using bus switch chip, chip itself
Bus data can not further be operated；
(2) in terms of back board structure：Bus switch chip can take certain wiring and layout resource, and be cut using bus
Changing chip can also increase system power dissipation, reduce the overall reliability of system；
(3) in terms of cost：Bus switch chip cost is higher, can increase system cost.
The content of the invention
It is an object of the invention to provide a kind of image switching and splice displaying system based on high speed data bus, to
The flexibility of product can be strengthened, while reducing system cost and strengthening reliability.
The present invention is achieved through the following technical solutions：
A kind of image switching and splice displaying system based on high speed data bus, including tablet and be connected with tablet
The output board for connecing；The tablet includes multiple signal input veneers being sequentially connected, and the output board includes multiple connecting successively
The signal output veneer for connecing, described last signal input veneer are connected with first signal output veneer.
Further, the signal input veneer includes the video access unit for gathering vision signal, accesses with video
The input picture processing unit that unit is connected, and the input video switching transmission list being connected with input picture processing unit
Unit；Two input video switching transmission units of the two neighboring signal input veneer are connected, described last signal
The input video switching transmission unit of input veneer is connected with the output video switching transmission unit of first signal output veneer
Connect.
Further, the signal output veneer includes exporting video switching transmission unit, passes with output video switching
The output image processing unit that defeated unit is connected, and with output image processing unit and for exporting the video of vision signal
Output unit；Two of two neighboring signal output veneer output videos switching transmission units are connected, it is described last
The output video switching transmission of the input video switching transmission unit and first signal output veneer of individual signal input veneer is single
Unit is connected.
In order to ensure effect, it is connected by high speed video bus between the tablet and output board, the signal is defeated
Enter veneer each other and be connected also by high speed video bus inside signal input veneer, the signal output veneer phase
It is connected also by high speed video bus between mutually and inside signal output veneer.
The present invention compared with prior art, with advantages below and beneficial effect：
Present configuration is simple so that system flexibility is higher, and while reducing cost and system power dissipation so that system
Performance is more stable, keeps in repair also convenient；The image procossing of the present invention can be processed by multipolarity, and image processing function is more
It is powerful such that it is able to realize the functions such as image switching, segmentation, splicing and windowing.
Description of the drawings
Fig. 1 is the overall structure diagram of invention.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention not limited to this.
Embodiment
As shown in figure 1, the image switching of the present invention and splice displaying system, including for receiving vision signal can be to regarding
The tablet processed by frequency signal, and for the output board of vision signal is processed and exported to vision signal, it is described defeated
Enter plate to be connected by high speed video bus with output board, be resent to after receiving and processing vision signal defeated after output board is processed
Go out.The tablet of the present invention includes multiple signal input veneers being sequentially connected, and the output board also includes multiple being sequentially connected
Signal output veneer, the present invention can carry out multipolarization to video image with multiple signal output plates by multiple signal input plates
Process so that image processing function is more powerful such that it is able to realize the functions such as image switching, segmentation, splicing and windowing.
Specifically, the signal input veneer includes video access unit and input picture processing unit and input video
Switching transmission unit, the video access unit is with input video switching transmission unit by high speed video bus and input figure
As processing unit is connected, two input video switching transmission units of the two neighboring signal input unit are also by a high speed
Video bus is connected.The video access unit is used for the vision signal for gathering outside, and the input picture processing unit is used
In the video image information for processing video access unit and input video switching transmission unit transmission.The input video switching is passed
Defeated unit is used for input video switching transmission unit and this plate input picture processing unit for receiving upper level signal input veneer
The video image information of transmission, and after processing to the video image information video image information is sent to next stage
The input video switching transmission unit of signal input veneer.As shown in figure 1, first signal input veneer is signal input
Input video switching of the input video switching transmission unit of veneer 1 by high speed video bus with signal input veneer 2 is transmitted
Unit is connected, and the input video switching transmission unit of the signal input veneer 2 is then by high speed video bus and the next one
The input video switching transmission unit of signal input veneer is connected.Described last signal input veneer is signal input list
The input video switching transmission unit of plate n is signal output veneer also by high speed video bus and first signal output veneer
1 is connected, and is processed so as to video image information is sent to signal output veneer, by the selection and transmission of vision signal
Realize the handoff functionality of image.
The signal output veneer includes exporting video switching transmission unit and output image processing unit and video is defeated
Go out unit, the output video switching transmission unit is processed with output image by high speed video bus with video output unit
Unit is connected, and two output video switching transmission units of the two neighboring signal output unit are total also by high-speed video
Line is connected.The output video switching transmission unit is used for the output video switching transmission for receiving upper level signal output veneer
The video image information that unit sends, and the video image information is respectively sent to after processing to the video image information
Exported by this plate image output unit after the output image processing unit processes of this signal output veneer, and sent to next stage
Signal output veneer output video switching transmission unit.
Wherein, as shown in figure 1, the output video that first signal output veneer of output board is signal output veneer 1 is cut
Change transmission unit to be connected by high speed video bus with last the signal input veneer i.e. signal input veneer n of tablet
Connect, for the vision signal of receives input plate output.First signal output veneer is that the output of signal output veneer 1 is regarded
Frequency switching transmission unit switches transmission unit with the output video of signal output veneer 2 by high speed video bus and is connected, institute
The output video switching transmission unit for stating signal output veneer 2 then exports veneer with next signal by high speed video bus
Output video switching transmission unit is connected, and video image information is sent to last signal by this cascade system defeated
Go out after veneer n is processed and export.
The present invention is provided with multiple signal input veneers and multiple signal output veneers, by multistage signal input veneer
Input picture processing unit multipolarity process is carried out to video image information, by signal input veneer and output signal veneer
Between connection can then transmit a signal to signal output veneer, then at the output image by multistage signal output veneer
Reason unit carries out multipolarity process to video image information again so that image processing function is more powerful such that it is able to realize figure
Shown as switching, segmentation, splicing and after opening a window again.The simple structure of the present invention so that system flexibility is higher, and together
When reduce cost and system power dissipation so that systematic function is more stable, keep in repair it is also convenient.
As described above, just can preferably realize the present invention.
Claims (4)
1. a kind of image switching and splice displaying system based on high speed data bus, it is characterised in that：Including tablet and with
The output board that tablet is connected；The tablet includes multiple signal input veneers being sequentially connected, and the output board includes
Multiple signal output veneers being sequentially connected, described last signal input veneer are connected with first signal output veneer
Connect.
2. a kind of image switching and splice displaying system based on high speed data bus according to claim 1, its feature
It is：The signal input veneer includes the video access unit for gathering vision signal, and what is be connected with video access unit is defeated
Enter graphics processing unit, and the input video switching transmission unit being connected with input picture processing unit；Described adjacent two
Two input video switching transmission units of individual signal input veneer are connected, the input of last signal input veneer
Video is switched transmission unit and is connected with the output video switching transmission unit of first signal output veneer.
3. a kind of image switching and splice displaying system based on high speed data bus according to claim 2, its feature
It is：The signal output veneer includes exporting video switching transmission unit, is connected with output video switching transmission unit
Output image processing unit, and with output image processing unit and for exporting the video output unit of vision signal；It is described
Two output video switching transmission units of two neighboring signal output veneer are connected, first signal output veneer
Output video switching transmission unit is connected with the input video switching transmission unit of last signal input veneer.
4. a kind of image switching and splice displaying system based on high speed data bus according to claim 3, its feature
It is：Be connected by high speed video bus between the tablet and output board, the signal input veneer each other with
And be connected also by high speed video bus inside signal input veneer, the signal output veneer is each other and signal is defeated
Go out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610982395.9A CN106534720A (en) | 2016-11-08 | 2016-11-08 | Image switching and splicing display system based on high-speed data bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610982395.9A CN106534720A (en) | 2016-11-08 | 2016-11-08 | Image switching and splicing display system based on high-speed data bus |
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| CN106534720A true CN106534720A (en) | 2017-03-22 |
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| US20040027482A1 (en) * | 2002-08-09 | 2004-02-12 | Lee Woo Chul | Multi-vision system and method of controlling the same |
| US20120081267A1 (en) * | 2010-10-01 | 2012-04-05 | Imerj LLC | Desktop reveal expansion |
| CN102708842A (en) * | 2012-06-08 | 2012-10-03 | 宁波Gqy视讯股份有限公司 | Image processor for mosaic screen |
| CN202904564U (en) * | 2012-04-06 | 2013-04-24 | 上海算芯微电子有限公司 | Dynamic switching multi-way input interface system and dynamic switching multi-way output interface system |
| CN104202506A (en) * | 2014-09-10 | 2014-12-10 | 北京淳中视讯科技有限公司 | Image stitching processor and image processing method thereof |
| CN105721795A (en) * | 2016-01-21 | 2016-06-29 | 西安诺瓦电子科技有限公司 | Video matrix stitching device and switching bottom plate thereof |
-
2016
- 2016-11-08 CN CN201610982395.9A patent/CN106534720A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040027482A1 (en) * | 2002-08-09 | 2004-02-12 | Lee Woo Chul | Multi-vision system and method of controlling the same |
| US20120081267A1 (en) * | 2010-10-01 | 2012-04-05 | Imerj LLC | Desktop reveal expansion |
| CN202904564U (en) * | 2012-04-06 | 2013-04-24 | 上海算芯微电子有限公司 | Dynamic switching multi-way input interface system and dynamic switching multi-way output interface system |
| CN102708842A (en) * | 2012-06-08 | 2012-10-03 | 宁波Gqy视讯股份有限公司 | Image processor for mosaic screen |
| CN104202506A (en) * | 2014-09-10 | 2014-12-10 | 北京淳中视讯科技有限公司 | Image stitching processor and image processing method thereof |
| CN105721795A (en) * | 2016-01-21 | 2016-06-29 | 西安诺瓦电子科技有限公司 | Video matrix stitching device and switching bottom plate thereof |
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Application publication date: 20170322 |