CN110139050A - A kind of multi-picture splicing processing method and processing device of the compatible ultra high-definition video of energy - Google Patents
A kind of multi-picture splicing processing method and processing device of the compatible ultra high-definition video of energy Download PDFInfo
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- CN110139050A CN110139050A CN201910526021.XA CN201910526021A CN110139050A CN 110139050 A CN110139050 A CN 110139050A CN 201910526021 A CN201910526021 A CN 201910526021A CN 110139050 A CN110139050 A CN 110139050A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
- H04N7/012—Conversion between an interlaced and a progressive signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
Abstract
A kind of multi-picture splicing processing method and processing device of the compatible ultra high-definition video of energy, method includes to video pictures: HD video conversion, the processing of ultra high-definition Video Quality Metric, ultra high-definition Multipicture, the segmentation of ultra high-definition video pictures and output and high speed transmission of signals and system control.Described device includes HD video conversion module, ultra high-definition video conversion module, ultra high-definition Multipicture processing module, ultra high-definition video pictures segmentation module and output module, high speed transmission of signals and system control module and power module.The present invention can support the reception of any clarity (UHD, HD or SD) vision signal, and more picture processing can be carried out to the video image of arbitrary resolution format (4K2K or 2K1K etc.), and arbitrary picture segmentation and output can be carried out to the video image of ultra high-definition resolution format.
Description
Technical field
The present invention relates to electric video technical fields, in particular to the video of different resolution format in electric video technology
The access of signal handles and exports the relevant technologies that last combination is spliced into the complete big picture of a width together.
Technical background
With the development of video technique, ultra high-definition video (such as 3840 × 2160p@60Hz resolution format) is more next at present
It is more universal.And simultaneously, also there are still a large amount of high definition (such as 1920 × 1080p@60Hz resolution format) and SD (such as
720 × 576i 50Hz) vision signal be derived from various display applications.(some following places, are abbreviated as ultra high-definition video
The ultra high-definitions resolution formats such as 3840 × 2160p@60Hz or 4096 × 2160p@60Hz are abbreviated as 4K2K@60Hz by UHD.
And same, some places, HD video is abbreviated as HD, and 1920 × 1080p@60Hz or 2048 × 1080p@60Hz is contour
Clear resolution format is abbreviated as 2K1K 60Hz.And same, some places, SD video is abbreviated as SD).Accordingly, for very
More display applications, then need special video processing equipment to support to the vision signal of above-mentioned various different resolution formats
It accesses, handle and export.Especially small space distance LED display screen application, it is often necessary to which the LED screen splicing of the small resolution ratio of muti-piece exists
It is combined into one piece of very high-resolution big LED display together, then outputs multiple display windows on the big LED display of this block
Mouthful show multichannel inputted video image.This kind of video processing equipment, we are commonly referred to as multi-picture splicing processor.
Currently, common multi-picture splicing processing equipment, receive or cannot support ultra high-definition vision signal or
Ultra high-definition video image cannot be carried out more picture processing (multiwindowing picture show, more pictures are superimposed, picture frame is shown,
Overlay drafting seamless exchange is superimposed order etc.) or arbitrary picture segmentation and output cannot be carried out to ultra high-definition video image.
Summary of the invention
For the above the deficiencies in the prior art, the present invention proposes a kind of more pictures of compatible ultra high-definition video (UHD) image of energy
Face splicing processing method and corresponding device enable it to the reception for supporting any clarity (UHD, HD or SD) video, and
More picture processing can be carried out to the video image of arbitrary resolution format (4K2K or 2K1K etc.), and (multiwindowing picture shows, is more
Picture superposition, picture frame are shown, overlay drafting seamless exchange is superimposed order etc.), and can be to the view of ultra high-definition resolution format
Frequency image carries out arbitrary picture segmentation and output.
The object of the invention can be achieved through the following technical solutions, a kind of more pictures of compatible ultra high-definition (UHD) video of energy
Splicing processing method, comprising:
1), HD video is converted: the various types of high-definition video signals and 1920 × 1080p 60Hz or less that will receive
The vision signal normalization conversion and processing of resolution format, i.e. type conversion and resolution format conversion；Wherein type is converted
For SDI/HD-SDI/3G-SDI, DVI, HDMI and VGA vision signal are converted into TTL or V-BY-ONE line signal shape
Formula；Resolution format is converted to, by various high-definition video signals and the video of the following resolution format of 1920 × 1080p@60Hz
Signal is converted into the high definition resolution format of 1920 × 1080p@60Hz；
2), ultra high-definition Video Quality Metric: the various types of ultra high-definition vision signals and 3840 × 2160p 60Hz that will receive
The vision signal normalization conversion and processing of following resolution format, the i.e. conversion of progress type and resolution format conversion；Wherein
Type is converted to, and 12G-SDI, DP or HDMI video signal are converted into TTL or V-BY-ONE line signal form；Resolution ratio
Format is converted to, and various ultra high-definition vision signals and the vision signal of the following resolution format of 3840 × 2160p@60Hz are converted
At the ultra high-definition resolution format of 3840 × 2160p@60Hz；
3), ultra high-definition Multipicture is handled: i.e. by the every of the vision signal through HD video conversion and ultra high-definition Video Quality Metric
Road vision signal carries out window display, and each window picture is arbitrarily sized in 4K2K resolving range and position, arbitrarily sets
Surely it is superimposed order, and seamless exchange is superimposed order；
4), the segmentation of ultra high-definition video pictures and output: the vision signal that will be handled through ultra high-definition (UHD) Multipicture,
It is any to intercept rectangle part within the scope of the 4K2K image content of every road output, and carry out arbitrarily zooming in or out processing, and
Any position output within the scope of 2K1K picture, realizes the splicing of big picture therefrom；
5), high speed transmission of signals and system control: the transmission of the high-speed video between each processing module is connected, to each
The parameter adjustment and setting of processing module and unified operation control and status monitoring.
It is a kind of can compatible ultra high-definition video multi-picture splicing processing unit, described in include:
HD video conversion module: to differentiate various types of high-definition video signals and 1920 × 1080p@60Hz or less
The vision signal normalization conversion and processing of rate format mainly include type conversion and resolution format conversion.Wherein type turns
It changes and is converted into TTL or V-BY-ONE route letter as vision signals such as SDI/HD-SDI/3G-SDI, DVI, HDMI and VGA
Number form, resolution format conversion are various high-definition video signals and the following resolution format of 1920 × 1080p@60Hz
Vision signal is converted into the high definition resolution format of 1920 × 1080p@60Hz；
Ultra high-definition video conversion module: for dividing various types of ultra high-definition vision signals and 3840 × 2160p@60Hz or less
The vision signal normalization conversion and processing of resolution format mainly include type conversion and resolution format conversion.Wherein type
Conversion is that the vision signals such as DP, HDMI are converted into TTL or V-BY-ONE line signal form, and resolution format conversion is
For the vision signal of various ultra high-definition vision signals and the following resolution format of 3840 × 2160p@60Hz is converted into 3840 ×
The ultra high-definition resolution format of 2160p@60Hz；
Ultra high-definition Multipicture processing module: for that will be converted through HD video and the vision signal of ultra high-definition Video Quality Metric
Every road vision signal carries out window display, and each window picture is arbitrarily sized in 4K2K resolving range and position, arbitrarily
Setting superposition order, and seamless exchange is superimposed order, finally exports the more pictures handled well with V-BY-ONE high-speed line；
Ultra high-definition video pictures divide module and output module: the view for will handle through ultra high-definition (UHD) Multipicture
Frequency signal, it is any to intercept rectangle part within the scope of the 4K2K image content of every road output, and arbitrarily amplified or contracted
Small processing, and any position output within the scope of 2K1K picture, realize the splicing of big picture therefrom；
High speed transmission of signals and system control module: the transmission for realizing the high-speed video between each each module of processing connects
It connects, to the parameter adjustment and setting of each processing module and unified operation control and status monitoring；
Power module: for providing power supply for above-mentioned each module.
Further, the multi-picture splicing processing unit of described compatible ultra high-definition (UHD) video of a kind of energy, 1 height
The output of clear video conversion module is connected to the wherein 1 tunnel input of ultra high-definition Multipicture processing module, and 1 road ultra high-definition video turns
The output of mold changing block is connected to the wherein another 1 tunnel input of ultra high-definition Multipicture processing module, the processing of ultra high-definition Multipicture
The output of module is connected to the input of ultra high-definition video pictures dividing processing module.
Further, the multi-picture splicing processing unit of described compatible ultra high-definition (UHD) video of a kind of energy, places at different levels
Output vision signal after reason resume module is followed by via matrix switch or distribution to the input of corresponding next stage module.
Further, the multi-picture splicing processing unit of described compatible ultra high-definition (UHD) video of a kind of energy, as needed
More than one HD video conversion module, more than one ultra high-definition video conversion module and 1 ultra high-definition (UHD or 4K2K@
60Hz) Multipicture processing module is designed to a standalone module.
Further, the multi-picture splicing processing unit of described compatible ultra high-definition (UHD) video of a kind of energy, high speed letter
Number transmission and system control module to high speed V-BY-ONE signal carry out 1:P distribution, so as to which P block is arranged on that module
Ultra high-definition video pictures dividing processing and output module are spliced into the display of bigger resolution ratio to expand more outputs
Screen.
Further, the multi-picture splicing processing unit of described compatible ultra high-definition (UHD) video of a kind of energy, according to need
It wants, by more than one HD video conversion module, more than one ultra high-definition video conversion module, 1 ultra high-definition Multipicture
Processing module, more than one ultra high-definition video pictures dividing processing and output module and high speed transmission of signals and system control mould
Block is partly or entirely designed to become a kind of new functional module together.
The advantage of the invention is that the reception of any clarity (UHD, HD or SD) vision signal can be supported, and can be to any
The video image of resolution format (4K2K or 2K1K etc.) carry out more picture processing (multiwindowing picture show, more pictures are superimposed,
Picture frame is shown, overlay drafting seamless exchange is superimposed order etc.), and the video image of ultra high-definition resolution format can be carried out
Arbitrary picture segmentation and output.
Detailed description of the invention
Fig. 1 is the multi-picture splicing handling principle schematic diagram of ultra high-definition video of the invention；
Fig. 2 is that schematic illustration is divided in more pictures windowing superposition and 4K2K picture of the invention；
Fig. 3 is the system architecture schematic diagram of the multi-picture splicing processing unit of figure ultra high-definition video of the invention；
Fig. 4 is HD video conversion module schematic illustration of the invention；
Fig. 5 is ultra high-definition video conversion module schematic illustration of the invention；
Fig. 6 is ultra high-definition Multipicture processing module schematic illustration of the invention；
Fig. 7 is that ultra high-definition video pictures of the invention divide module principle schematic diagram；
Fig. 8 is divided frame output module schematic illustration of the invention.
Specific embodiment
A kind of multi-picture splicing processing method of compatible ultra high-definition video (UHD) image of the invention, comprising: HD video
Conversion: i.e. various types and resolution format high definitions and SD video image normalized at one setting height
The video image (such as 1920 × 1080p 60Hz resolution format) of clear resolution format.It realizes as a result, to a variety of differences
The high definition or mark of video source (DVI, HDMI, SDI/HD-SDI/3G-SDI, VGA etc.) and various different resolution formats of type
The access of clear vision signal.
It is currently, there are a variety of different high definitions or SD video.Can be divided into it is analog- and digital-, such as: CVBS, VGA are
Analog video video, DVI, HDMI or SDI are digital video.First, it would be desirable to analog video is all acquired by ADC, into
Row analog-to-digital conversion, then by digital image processing techniques, (interlacing turns processing, resolution ratio line by line and zooms in or out processing, frame frequency
Conversion process etc.), generate the image output of the unified video format (unified resolution format) of a setting.Number is regarded
Frequently, for example SDI is serial digital video, it would be desirable to carry out reception decoding first, be converted to parallel digital video.Then, together
Sample be by digital image processing techniques (interlacing turn line by line processing, resolution ratio zoom in or out processing, frame frequency conversion processing etc.),
Generate the image output of the unified video format (unified resolution format) of a setting.The module, no matter it is previously received
Be what type of video image or which kind of resolution format video image, be finally all processed into the high sorting of a setting
Resolution format (such as 1920 × 1080/60Hz).It is achieved in the compatible receiver to various video, and simplifies below draw more
Adaptation of the surface treatment module to various input video formats.
The conversion of ultra high-definition video: i.e. the ultra high-definition of a variety of different types and resolution format, high definition and SD video
Image normalization is processed into video image (such as 3840 × 2160p@60Hz resolution ratio of the ultra high-definition resolution format of a setting
Format).Realize the superelevation to a variety of different types of video source (HDMI, DP etc.) and various different resolution formats as a result,
Clearly, the access of high definition or SD vision signal.
It is currently, there are the digital video of a variety of different SD, high definition or ultra high-definition.It needs through Digital Image Processing skill
Art (interlacing turns processing line by line, resolution ratio zooms in or out processing, frame frequency conversion is handled etc.), generates the unified video of a setting
The image of format (unified resolution format) exports.The module, no matter what is be previously received is what type of digital video
The video image of image or which kind of resolution format is finally all processed into the ultra high-definition resolution format (such as 3840 of a setting
× 2160/60Hz).It is achieved in the compatible receiver to various digital video, and simplifies more picture processing modules pair below
The adaptation of various input video formats.
Ultra high-definition Multipicture processing: its output for receiving the conversion of several HD videos first and several ultra high-definitions
The output of Video Quality Metric, and then the independent windowing of each video received is shown.The each window picture outputed can be
The size and location of output is arbitrarily set within the scope of 4K2K output resolution ratio.And can be arbitrarily superimposed between multiple window pictures, it is multiple
Seamless or exchange superposition order of being fade-in fade-out between window picture.
The processing of ultra high-definition Multipicture, uses multiple independent image channels, first to receive multichannel input video figure
Then picture carries out the compression processing of image respectively to each road video image, then carry out frame frequency conversion processing (with 4 frame images to
The write-in of DDR memory is read, synchronous with the frame frequency of input video when write-in, and when reading, then it is same to export the frame frequency of image
Step is then written and read arbitration when write-in is asynchronous with the process of reading), the enhanced processing of image is then carried out again.Finally again each
Road output image is overlapped.
The segmentation of ultra high-definition video pictures and output processing: its 4K2K for receiving the processing of prime ultra high-definition Multipicture first
Output, and any partial picture (rectangular window) in 4K2K resolving range is intercepted, with the 2K1K output resolution ratio lattice of setting
The picture of formula output interception.The picture of output can be arbitrarily sized in the 2K1K output resolution ratio range class of setting and position.
As shown in Fig. 2, the output of " segmentation of ultra high-definition (UHD) video pictures and output module "① With the resolution ratio of 2K1K
Format exports image, and the size and location for exporting image can arbitrarily be set within the scope of 2K1K.Moreover, the output① Figure
Picture, be can " processing of ultra high-definition (UHD) Multipicture " module export 4K2K image in arbitrary size and position into
Row interception, number as shown in Figure 2① Dashed box.When truncated picture width is less than the width of output image, then by the mould
Block carries out horizontal enhanced processing.On the contrary, then carrying out water by the module when truncated picture width is greater than the width of output image
Flat diminution processing.Similarly, to the height of interception image, and processing mode is zoomed in or out accordingly.Above-mentioned each input interception
With the size and location parameter of output image, sent according to scheduled communications protocol to respective modules by main control software.
After each module receives respective setting parameter, that is, carry out corresponding Image Adjusting.
High speed transmission of signals and system control: high speed transmission of signals realizes that " HD video conversion " arrives that " ultra high-definition video is more
Picture processing ", " ultra high-definition Video Quality Metric " arrive " processing of ultra high-definition Multipicture ", " processing of ultra high-definition Multipicture "
The high speed between " output processing " etc. is arrived to " ultra high-definition video pictures dividing processing ", " ultra high-definition video pictures dividing processing "
The connection of digital video signal.System control, which is then realized, is uniformly controlled each component part of whole system, each component part
Correlation setting and adjustment.
In general, the high speed LVDS transmission line of 2 couples of 3G of HD video needs of 1 road 2K1K/60Hz, and 1 road 4K2K/60Hz
Then need the high speed LVDS transmission line of 8 couples of 3G.Believe as shown in figure 3, the 4K2K video of the present apparatus has been all made of V-BY-ONE high speed
Number transmission mode carries out the transmission of the video image between corresponding module.And between system control backboard and each controlled module, it is main
To use RS-485 serial communication control mode.Each controlled module of insertion backboard is assigned with finger by backboard ID identification line
Fixed communication identifier (No. ID).System controls backboard by serial communication, to each controlled module send various control commands and
Adjust data.Furthermore, it is possible to read the various status datas and setting parameter of specified controlled module.System controls backboard as a result,
It realizes and whole device system is uniformly controlled.
As shown in Figure 1, a kind of multi-picture splicing processing unit of compatible ultra high-definition video (UHD) image of the invention, packet
Include: HD video conversion module, ultra high-definition video conversion module, ultra high-definition Multipicture processing module, ultra high-definition video are drawn
Face segmentation and output module, high speed transmission of signals and system control module and power module.
Wherein HD video conversion module, receive different type (such as DVI, HDMI, SDI/HD-SDI/3G-SDI or
VGA) and not higher than high definition resolution format various video signal, and they all normalized at a setting 2K1K point
Resolution format, by TTL(or LVTTL) it exports to rear class ultra high-definition Multipicture processing module in a manner of line signal.
Optionally, above-mentioned high definition (HD) video conversion module can also export image data in a manner of LVDS line signal
TTL(or LVTTL is converted to a data conversion module, the conversion module or LVDS signal) signal, or LVDS signal
It is converted into V-BY-ONE signal, to be connected to rear class ultra high-definition video (UHD) multiple image processing module.
Above-mentioned ultra high-definition (UHD) video conversion module can receive different type (such as DP, HDMI etc.) and be not higher than superelevation
The various video signal of clear resolution format, and they all normalized at a setting 4K2K resolution format, with TTL
The mode of (or LVTTL) or V-BY-ONE line signal is exported to rear class ultra high-definition Multipicture processing module.
Ultra high-definition (UHD) Multipicture processing module, with TTL or V-BY-ONE line singaling, before receiving multichannel
The HD video or ultra high-definition video frequency of grade video conversion module output, and carry out multi-channel image processor processing.If receiving 2 tunnel high definitions
The output image of the output image and 2 road ultra high-definition video conversion modules of video conversion module, then can correspond to and show 4 windows
Picture, and can this 4 window pictures be arbitrarily arranged with the size and location of window within the scope of 4K2K resolution format, and any
Superposition and seamless or exchange superposition order of being fade-in fade-out.
As shown in Fig. 2,2 road HD videos convert " HD conversion-A ", " HD conversion-B " and 2 road ultra high-definition Video Quality Metrics
The output of " UHD conversion-C ", " UHD conversion-D " are input to " processing of ultra high-definition (UHD) Multipicture " module, " ultra high-definition
(UHD) Multipicture is handled " module is in 4K2K resolution format, respectively to every road converting video setting one of input
Display window, the size and location including window, each road converting video is shown in respective display window respectively as a result,.
" processing of ultra high-definition (UHD) Multipicture " module can generate 4 display windows simultaneously, and correspondence shows 4
Window picture: Pic-A, Pic-B, Pic-C, Pic-D.This 4 picture windows, can there is superposition each other.4 window figure layers
24 stack combinations are shared, corresponding superposition value is from 0 to 23.Software need only send superposition value, and to surpassing, " high definition (UHD) video is more
Picture processing " module, then press the overlay order that corresponding superposition value arranges 4 window figure layers.For example, we define superposition value=
0, corresponding overlay order are as follows: Pic-A > Pic-B > Pic-C > Pic-D, it may be assumed that Pic-A is located at top layer, and Pic-D is located at
Bottom.And as shown in Fig. 2, superposition value is 23, corresponding overlay order are as follows: Pic-D > Pic-C > Pic-B > Pic-A, it may be assumed that
Pic-D is located at top layer, and Pic-A is located at bottom.
The segmentation of ultra high-definition (UHD) video pictures and output module receive prime superelevation with V-BY-ONE line singaling
The ultra high-definition image of the 4K2K resolution format of clear Multipicture processing module output.It is with V-BY-ONE line singaling
Up to 4 road HD videos are exported, and the output of every road can intercept any one part (rectangular window) in the 4K2K picture of input,
And the size and location of every road output image can be arbitrarily arranged in high definition resolution format (such as: 2K1K) range.
As shown in Fig. 2, the output of " segmentation of ultra high-definition (UHD) video pictures and output module "① With the resolution ratio of 2K1K
Format exports image, and the size and location for exporting image can arbitrarily be set within the scope of 2K1K.Moreover, the output① Figure
Picture, be can " processing of ultra high-definition (UHD) Multipicture " module export 4K2K image in arbitrary size and position into
Row interception, number as shown in Figure 2① Dashed box.When truncated picture width is less than the width of output image, then by the mould
Block carries out horizontal enhanced processing.On the contrary, then carrying out water by the module when truncated picture width is greater than the width of output image
Flat diminution processing.Similarly, to the height of interception image, and processing mode is zoomed in or out accordingly.Above-mentioned each input interception
With the size and location parameter of output image, sent according to scheduled communications protocol to respective modules by main control software.
After each module receives respective setting parameter, that is, carry out corresponding Image Adjusting.
Optionally, if the present apparatus is reconfigured V-BY-ONE signal distribution module, to ultra high-definition Multipicture processing module
The V-BY-ONE signal of output carries out the duplication of 1:P, then can correspond to configuration P block ultra high-definition video pictures segmentation module, then may be used
The output of the road 4P HD video is up to arrived in support, is connected to 4P display son screen.To realize greater number of display sub-screen splicing
At a bigger display large screen.
According to a kind of multi-picture splicing processing method and corresponding one of compatible ultra high-definition (UHD) video image of the disclosure
The multi-picture splicing processing unit of compatible ultra high-definition (UHD) video image of kind is, it can be achieved that simultaneous downwards from ultra high-definition resolution format
The reception of the multi-channel video signal of the different resolution format and different video type of appearance, at least one, up to 4 pictures are aobvious
Show in window and shows respectively.Size and position can be arbitrarily arranged in ultra high-definition 4K2K resolution format range in each window picture
It sets, and can arbitrarily be superimposed, and can seamless or exchange superposition order of being fade-in fade-out.Meanwhile the device passes through device P(P >=1) it is a super
The more pictures of HD video handle and export module, moreover it is possible to support that up to the road 4P HD video exports, every road output can intercept super
Any one part (rectangular window) of high definition 4K2K resolution picture, and the size and location of every road output image can be in Gao Qingfen
Arbitrarily it is arranged in resolution format (such as: 2K1K) range.It is thus connected up to 4P display sub-screens and splices and combines into one more
Big display large screen.To finally realize: being shown on the display large screen of ultrahigh resolution made of being spliced and combined at one piece
The window picture of compatibility ultra high-definition (UHD) video signal source of multiple arbitrary size positions and overlay order out.
It is further described through below in conjunction with attached drawing technical solution in the embodiment of the present invention.
As previously mentioned, in order to be compatible with connecing for UHD, HD and SD different resolution format and different types of vision signal
It receives and more pictures is handled, we pass through a HD video conversion module first, to realize to different type and various resolution ratio lattice
Formula is no more than the acquisition and processing of the video of high definition resolution format, is finally exported with a high definition resolution format of setting.Such as
Shown in Fig. 4, the embodiment of the present disclosure has selected the FLI32626 dedicated video picture processing chip of ST company production to realize high definition
Video Quality Metric.FLI32626 chip can directly receive the contour cleer and peaceful SD vision signal of DVI, HDMI-1.3, VGA and SDI
Then the TTL image data of decoding chip output carries out resolution format transformation (zooming in or out), interlacing turns line by line and frame
The processing such as rate transformation, finally export image with the output resolution ratio format of setting (such as: 1920 × 1080p 60Hz).The present embodiment
Design the more picture processing modules of ultra high-definition that TTL image data is directly exported to rear class by FLI32626.As needed, it can also adopt
With THCV217 conversion chip, TTL data conversion at V-BY-ONE line signal, then it is connected to the more picture processing of rear class ultra high-definition
Module.
Meanwhile we are by a ultra high-definition video conversion module, to realize to different type and various resolution formats not
More than the acquisition and processing of the video of ultra high-definition resolution format, finally with the ultra high-definition resolution format output of a setting.
As shown in figure 5, the RTD2795 dedicated video processing chip that the embodiment of the present disclosure has selected REALTEK company to produce is super to realize
HD video conversion.RTD2795 chip can directly receive the ultra high-definitions vision signal such as 1 road DP1.2 and 2 road HDMI2.0.It should
Built-in chip type DDR3.The chip can carry out resolution format transformation (zooming in or out) to the video image received, interlacing turns
It is handled line by line with frame rate conversion etc., finally with a ultra high-definition resolution format of setting (such as: 3840 × 2160p 60Hz) output
Image.RTD2795 is directly connected to rear class with the connection type of V-BY-ONE line signal, and " ultra high-definition Multipicture handles mould
Block ".
By HD video conversion module and ultra high-definition video conversion module, we not only extend, and " ultra high-definition video is more
Picture processing module " receives the quantity of vision signal, and enormously simplifies " ultra high-definition Multipicture processing module " processing
Various different resolution formats (turning line by line including interlacing) processing difficulty (only receive 2 kinds of fixed resolution formats, and be by
Row) so that " ultra high-definition Multipicture processing module " realizes window display, the window of multi-window picture arbitrary size and position
Mouth picture, which is arbitrarily superimposed, to be possibly realized.
Fig. 6 is the functional block diagram of " ultra high-definition Multipicture processing module " in the embodiment of the present disclosure.We have selected i-
The 4K video frequency processing chip IP00C331 of Chip company production handles chip as the more pictures of ultra high-definition.The chip can be simultaneously
Most 4 road 4K2K/60Hz video images are received, outer to hang with 4 DDR3 memories, interior layout there are 8 input and output images
Channel is built-in with 8 2K2K scaling processing engines (Scaler), thus can handle 4 4K2K video images simultaneously, and respectively
It is shown with window picture.The size and location of window can be arbitrarily arranged in 4 window pictures in 4K2K resolving range, such as
Shown in Fig. 2.
The embodiment of the present disclosure " ultra high-definition Multipicture processing module " is designed as receiving 2 road 2K1K/60Hz video images
(TTL line signal) and 2 road 4K2K/60Hz video image (V-BY-ONE line signals, respectively VBO-RX1 and VBO-
RX2).4 road input video altogether corresponds to 4 window pictures.
The embodiment of the present disclosure " ultra high-definition Multipicture processing module " exports 2 road 4K2K/60Hz video image (V-BY-
ONE line signal, respectively VBO-TX1 and VBO-TX2), this 2 road 4K2K/60Hz video image is identical.The disclosure
Embodiment can plug 2 pieces " segmentation of ultra high-definition video pictures and output modules ", then VBO-TX1 is connected to the 1st piece of " ultra high-definition video picture
Face segmentation and output module ", VBO-TX2 are connected to the 2nd piece " segmentation of ultra high-definition video pictures and output module ".
The embodiment of the present disclosure " ultra high-definition Multipicture processing module " design has a MCU, uses PHILIPS company
The LPC1226 microcontroller chip of production.The MCU is mainly used as: 1) externally receiving the order of system control module, and return system
The various data that control module needs；2) internally, mainly IP00C331 is controlled accordingly, is arranged and adjusted, and is read
The register value needed.The embodiment of the present disclosure " ultra high-definition Multipicture processing module " is also devised with a CPLD, uses
The EPM240 of INTEL Corp.'s production, is mainly used to realize some logic controls, improves the application flexibility of the module.If should
Module application function, which determines, fixes, which can not have to.
Fig. 7 is the functional block diagram of " ultra high-definition video pictures dividing processing module " in the embodiment of the present disclosure.The processing module
Essentially identical with the hardware of " ultra high-definition Multipicture processing module ", only software configuration is different.Wherein, input terminal, configuration
Only to receive the defeated 1 next road 4K2K/60Hz video image of prime from VBO-RX1.And output end, it is configured as output to 4 road 2K1K/
60Hz video image.4 tunnel output, every Lu Junke are any to intercept a square in the 4K2K image range that the module receives
Shape partial picture, as shown in dotted rectangle in Fig. 2.Meanwhile 4 tunnel exports, every Lu Junke is in 2K1K output resolution ratio format
In range, the size and location of any setting output, as shown in Figure 2.
Fig. 8 is the functional block diagram of " divided frame output module " in the embodiment of the present disclosure.It receives prime " ultra high-definition video
The 4 road 2K1K/60Hz video images (V-BY-ONE line signal transmission mode) of picture dividing processing module " output.Wherein
VBO-RX11/RX12 corresponds to the 1st road 2K1K/60Hz video image, the corresponding 2nd road 2K1K/60Hz view of VBO-RX13/RX14
Frequency image, the corresponding 3rd road 2K1K/60Hz video image of VBO-RX15/RX16, the corresponding 4th road 2K1K/ of VBO-RX17/RX18
60Hz video image.The V-BY-ONE vision signal of this 4 road 2K1K/60Hz, is converted into 4 tunnels through 4 THCV218 respectively
Then TTL video data is converted into 4 road DVI vision signals through 4 ITE6613 respectively again.
Fig. 3 is the system architecture of the embodiment of the present disclosure, and high speed transmission of signals and system control module use " high speed signal
The frame mode of transmission backboard+system control backboard ".Muti-piece HD video conversion module, muti-piece ultra high-definition Video Quality Metric mould
Block, ultra high-definition Multipicture processing module, muti-piece ultra high-definition picture segmentation module and muti-piece divided frame output module, respectively
In a manner of board plug-in card, it is inserted on backboard.Vision signal between each board passes through the high speed transmission of signals channel on backboard
It is attached.And plug the communication and control in the last board of backboard, then it is realized by system control module on backboard.This is
System control uses the EPM240 of STM32F20V and 1 INTEL company production of 1 ST company production.STM32F20V
It is mainly used as: 1) control, adjustment and setting command from host computer being received by UART serial communication, or returned upper machine-readable
The data taken；2) by UART serial communication at HD video conversion module, ultra high-definition video conversion module, the more pictures of UHD
It manages module and UHD picture segmentation module sends control, adjustment and setting command, and read the data needed；3) pass through I2C
Bus sends adjustment and setting command to image output module, and reads the data needed；4) pass through SPI bus pair
EPM240 is written and read control；5) key and LCD character screen are shown.EPM240 is mainly used to extend a module in reading system
More real-time status signals, and the more control signals of extension plug to realize to all to module each in system
The real-time status of board is read and logic control.
In general, the high speed LVDS transmission line of 2 couples of 3G of HD video needs of 1 road 2K1K/60Hz, and 1 road 4K2K/60Hz
Then need the high speed LVDS transmission line of 8 couples of 3G.The 4K2K video of the present apparatus has been all made of the high speed transmission of signals side V-BY-ONE
Formula carries out the transmission of the video image between corresponding module.And between main control module and each controlled module, mainly use RS-
485 serial communication control modes.
Obviously, described embodiment is only a part of this disclosure embodiment, instead of all the embodiments.It is based on
Embodiment in the disclosure, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment also belongs to the range of disclosure protection.
Claims (8)
1. a kind of multi-picture splicing processing method of the compatible ultra high-definition video of energy, it is characterised in that the described method includes:
1), HD video is converted: the various types of high-definition video signals and 1920 × 1080p 60Hz or less that will receive
The vision signal normalization conversion and processing of resolution format, i.e. type conversion and resolution format conversion；Wherein type is converted
For SDI/HD-SDI/3G-SDI, DVI, HDMI and VGA vision signal are converted into TTL or V-BY-ONE line signal shape
Formula；Resolution format is converted to, by various high-definition video signals and the video of the following resolution format of 1920 × 1080p@60Hz
Signal is converted into the high definition resolution format of 1920 × 1080p@60Hz；
2), ultra high-definition Video Quality Metric: the various types of ultra high-definition vision signals and 3840 × 2160p 60Hz that will receive
The vision signal normalization conversion and processing of following resolution format, the i.e. conversion of progress type and resolution format conversion；Wherein
Type is converted to, and DP, HDMI video signal are converted into TTL or V-BY-ONE line signal form；Resolution format conversion
For, the vision signal of various ultra high-definition vision signals and the following resolution format of 3840 × 2160p@60Hz is converted into 3840 ×
The ultra high-definition resolution format of 2160p@60Hz；
3), ultra high-definition Multipicture is handled: i.e. by the every of the vision signal through HD video conversion and ultra high-definition Video Quality Metric
Road vision signal carries out window display, and each window picture is arbitrarily sized in 4K2K resolving range and position, arbitrarily sets
Surely it is superimposed order, and seamless exchange is superimposed order；
4), the segmentation of ultra high-definition video pictures and output: the vision signal that will be handled through ultra high-definition (UHD) Multipicture,
It is any to intercept rectangle part within the scope of the 4K2K image content of every road output, and carry out arbitrarily zooming in or out processing, and
Any position output within the scope of 2K1K picture, realizes the splicing of big picture therefrom；
5), high speed transmission of signals and system control: the transmission of the high-speed video between each processing module is connected, to each
The parameter adjustment and setting of processing module and unified operation control and status monitoring.
2. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy, which is characterized in that described to include:
HD video conversion module: to differentiate various types of high-definition video signals and 1920 × 1080p@60Hz or less
The vision signal normalization conversion and processing of rate format mainly include type conversion and resolution format conversion；Wherein type turns
It changes and is converted into TTL or V-BY-ONE route letter as vision signals such as SDI/HD-SDI/3G-SDI, DVI, HDMI and VGA
Number form, resolution format conversion are various high-definition video signals and the following resolution format of 1920 × 1080p@60Hz
Vision signal is converted into the high definition resolution format of 1920 × 1080p@60Hz；
Ultra high-definition video conversion module: for dividing various types of ultra high-definition vision signals and 3840 × 2160p@60Hz or less
The vision signal normalization conversion and processing of resolution format mainly include type conversion and resolution format conversion；Wherein type
Conversion is that the vision signals such as DP, HDMI are converted into TTL or V-BY-ONE line signal form, and resolution format conversion is
For the vision signal of various ultra high-definition vision signals and the following resolution format of 3840 × 2160p@60Hz is converted into 3840 ×
The ultra high-definition resolution format of 2160p@60Hz；
Ultra high-definition Multipicture processing module: for that will be converted through HD video and the vision signal of ultra high-definition Video Quality Metric
Every road vision signal carries out window display, and each window picture is arbitrarily sized in 4K2K resolving range and position, arbitrarily
Setting superposition order, and seamless exchange is superimposed order, finally exports the more pictures handled well with V-BY-ONE high-speed line；
Ultra high-definition video pictures divide module and output module: the view for will handle through ultra high-definition (UHD) Multipicture
Frequency signal, it is any to intercept rectangle part within the scope of the 4K2K image content of every road output, and arbitrarily amplified or contracted
Small processing, and any position output within the scope of 2K1K picture, realize the splicing of big picture therefrom；
High speed transmission of signals and system control module: the transmission for realizing the high-speed video between each each module of processing connects
It connects, to the parameter adjustment and setting of each processing module and unified operation control and status monitoring；
Power module: for providing power supply for above-mentioned each module.
3. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy according to claim 2, which is characterized in that
The output of 1 HD video conversion module is connected to the wherein 1 tunnel input of ultra high-definition Multipicture processing module, 1 road ultra high-definition
The output of video conversion module is connected to the wherein another 1 tunnel input of ultra high-definition Multipicture processing module, and ultra high-definition video is drawn more
The output of surface treatment module is connected to the input of ultra high-definition video pictures dividing processing module.
4. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy according to claim 3, which is characterized in that
The processing module at different levels treated output vision signal via matrix switch or distribution be followed by corresponding next stage module
Input.
5. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy, feature according to claim 2,3,4
It is, as needed more than one HD video conversion module, more than one ultra high-definition video conversion module and 1 ultra high-definition
(UHD or 4K2K@60Hz) Multipicture processing module is designed to a standalone module.
6. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy according to claim 2, which is characterized in that
High speed transmission of signals and system control module carry out the distribution of 1:P to high speed V-BY-ONE signal, so as on that module
P block ultra high-definition video pictures dividing processing and output module are set and are spliced into bigger resolution ratio to expand more outputs
Display screen.
7. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy according to claim 2, which is characterized in that
Ultra high-definition video pictures dividing processing module and output module may be designed to a module, become the segmentation of ultra high-definition video pictures
Output module.
8. a kind of multi-picture splicing processing unit of the compatible ultra high-definition video of energy according to claim 2,3,4,6,7,
It is characterized in that, as needed, more than one HD video conversion module, more than one ultra high-definition video conversion module, 1 is surpassed
The more picture processing modules of HD video, more than one ultra high-definition video pictures dividing processing and output module and high speed transmission of signals
An integral module is all designed to system control module.
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