CN207399423U - A kind of distributed network video process apparatus - Google Patents
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Abstract
The utility model discloses a kind of distributed network video process apparatus, including：Signal input module, signal display module, Internet video processor and internet exchange system, the signal input module, the signal display module and the internet exchange system are connected respectively with the Internet video processor；The Internet video processor includes acquisition node, exchange system, output node and control unit；The acquisition node is connected with the exchange system, and the exchange system and described control unit are connected with the output node, can improve the synchronism of video data.
Description
Technical field
The utility model embodiment is related to technical field of image processing more particularly to a kind of distributed network video processing dress
It puts.
Background technology
With automation, the fast development of network technology, information technology, all trades and professions are to the visualization requirement of information resources
Drastically expand, also higher and higher to technology requirement in terms of presentation of information, information type and the quantity of required centralized displaying are also
Increasing, then large-screen splicing wall display system comes into being.
Currently used large screen splicing controller includes pci bus formula splicing controller and embedded splicing controller.It is right
In pci bus formula splicing controller, due to being influenced by PCI PCIe slots number and bandwidth on industrial control computer mainboard, generally
The unit windowing number of support than relatively limited, is adapted to small-scale mosaic screen with the number of the actual screen of support.Embedded splicing
Controller employs the pure hardware structure of FPGA mostly, generally takes modular design feature, the unit windowing number ratio of support
Larger, system takes card insertion type structure, and the screen scale of support is bigger.But the fast development of network technology, the prior art by
It is influenced in by network environment, transmission delay is bigger, therefore there are problems that poor synchronization.
Utility model content
The utility model provides a kind of distributed network video process apparatus, can improve the synchronism of video data.
The utility model embodiment provides a kind of distributed network video process apparatus, including：Signal input module, letter
Number display module, Internet video processor and internet exchange system,
The signal input module, the signal display module and the internet exchange system respectively with the Internet video
Processor connects；
The Internet video processor includes acquisition node, exchange system, output node and control unit；
The acquisition node is connected with the exchange system, and the exchange system and described control unit are saved with the output
Point connection.
Further, the output node includes：Processor, storage device interface, network interface, video output circuit,
Audio playing circuit；
The storage device interface, the network interface, the video output circuit and audio playing circuit difference
It is connected to the processor.
Further, the output node further includes：Memory module.
Further, the output node further includes：Power module.
Further, the output node further includes：Clock module.
Further, the processor thinks Hi3536 processors for sea.
Further, control unit is configured with linux operating systems.
The distributed network video process apparatus that the utility model embodiment provides is set in Internet video processor to be adopted
Collect node, exchange system, output node and control unit so that when synchronizing processing, Internet video processor can be fast
Speed responds synchronizing signal, improves the synchronous efficiency of video data.
Description of the drawings
Fig. 1 is the structure diagram of a distributed network video process apparatus in the utility model embodiment；
Fig. 2 is the structure diagram of an output node in the utility model embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant with the utility model rather than entire infrastructure are illustrated only for ease of description, in attached drawing.
With automation, the fast development of network technology, information technology, all trades and professions are to the visualization requirement of information resources
Drastically expand, also higher and higher to technology requirement in terms of presentation of information, information type and the quantity of required centralized displaying are also
Increasing, then large-screen splicing wall display system comes into being.Large-screen splicing wall display system is concentrated aobvious as information
The intercommunion platform shown, can be by various types of information centralized displayings on one piece of large-size screen monitors, for example computer vision, word are believed
Breath, video information, animation, advertisement picture etc., at present, large-screen splicing system be widely used to exhibition guild hall, sports buildings,
Press center, telecast hall, meteorological observatory, railway station, airport, amusement square, fight of army command centre, traffic guidance system
System, 110 command centre of public security, power scheduling, flood-control and drought relief command scheduling, shopping center, bank, outdoor advertising etc., real-time
Scheduling, consultation, commanding and decision-making, control management, information feedback etc. all occupy highly important status, play significant role.
Large-screen splicing wall display system is generally by display subsystem, splicing control subsystem, subscriber signal source subsystem
And related corollary equipment is formed.
The common optics display technology of display subsystem has DLP (DigitalLightingProgress, at digital light
Reason), PDP (PlasmaDisplayPanel plasmas) rear-projection, LCD (LiquidCristal Display, liquid crystal display), LED
Full-color screen (LightEmittingDiode, micro- spacing) etc., the micro- transmitting mirror device DMD of number that DLP is developed with moral instrument
(DigitalMicromirrorDevice) as final display device, it is miniature anti-that DLP by one piece is integrated with hundreds of thousands
The chip of mirror is penetrated, the light of light bulb is carried out to reflect to form required graphic picture, each speculum is equivalent to a photoswitch, phase
When in a pixel.Common light source has two major class of light bulb or LED light source, and processing function is powerful, and display is stablized, the color of display
Coloured silk is abundant true, and seamless image is with the obvious advantage, and piece is less than 0.2mm.LED light source adds the automatic regulating function of color, color
Coloured silk processing and reducing power are enhanced, but installation needs reserved maintenance channel, and floor space is bigger.PDP
(PlasmaDisplayPanel plasmas) rear-projection, luminescent device are plasmatrons, and a plasmatron corresponds to a pixel, profit
With the display technology of gas discharge.LCD (Liquid CristalDisplay, liquid crystal display), make use of LCD Controlling light transmittance
Realize the display of color.The liquid crystal-spliced low-power consumption of advantage, light-weight, radiationless, brightness uniformity, shortcoming are that piece is big, for a long time
Work the easy aging of liquid crystal board, and brightness decline and colourity is caused to decay.LED full-color screen (LightEmittingDiode, micro-
Away from), pass through RGB semiconductor light emitting diode devices.Each RGB light emitting diodes represent a pixel.
Large screen splicing subsystem is commonly referred to as large screen splicing controller, in large-screen splicing wall display system, in weight
According to the difference of framework, there are industrial personal computer pci bus formula, embedded, distributed three types splicing in the status wanted on the market at present
Controller.
Industrial personal computer pci bus formula splicing controller is the framework of industrial personal computer+input and output board, and the performance of industrial personal computer determines
The port number and stability, the performance of image procossing board that system is supported determine the quality of image, and advantage is to be based on
Windows or linux system can run the application program of user, can be used directly as base map machine, realize ultrahigh resolution
Signal shows have the function of to grab screen, can be by networking with subscriber computer, and screen client software is copied in realization, captures computer screen
Curtain contents on screen is shown.Shortcoming is that the framework degree of stabilizing it of PC add operation systems is limited, is susceptible to software fault, industrial personal computer
Slot limit the signal input quantity of support, the large-size screen monitors scale of support is limited.
Embedded splicing controller is designed using devices at full hardware, and programmable chip FPGA is the main handling components of video, sharp
Data exchange is carried out with backboard switching technology, image quality depends on FPGA design level, especially video frequency signal processing (de_
Interlacing, Scaling, color etc.), overall performance (unit windowing number, frame rate, splicing scale) depends on backboard and hands over
Change level.Advantage is need not to run Windows/Linux, and there is no computer software virus problems, data processing real-times
It is better than pci bus formula, image procossing board supports hot plug, and accident power-off will not cause data degradation, can be subjected to frequently switching on
Machine.Shortcoming is that operation user application is cumbersome, and addition base map is nor easily, be particularly the base map of ultrahigh resolution
Addition is got up, and that is fairly cumbersome, and user interactivity performance is poor.
Distributed splicing controller, IP based network technology, signal acquisition are output and input using independent processor, institute
There is signal to be connected by the CAT6 cables of standard with interchanger, image quality and overall performance (unit windowing number, frame rate) take
It is certainly horizontal in signal processor chip and encoding and decoding.Advantage is that all signals are dispersed to each autonomous channel processing and transmission,
Pci bus bandwidth and the limited bottleneck of backboard exchange capacity are breached, can access signal source quantity, the large screen splicing supported rule
Mould is solely dependent upon the scale of interchanger, and signal can transmit at a distance, it can be achieved that the input of place remote distributed signal and output are aobvious
Show, wiring is simple and reliable.Shortcoming is on the high side, and net synchronization capability is slightly worse, and transmission delay is also bigger.
The multimedia messages of current word, sound, picture, animation, figure, video etc. are ubiquitous, urged more
The fast development of medium technique.Multimedia technology, which has, obtains, handles, edits, stores and shows simultaneously more than two inhomogeneities
The characteristic of type media information is electronic technology on the multimedia messages such as integrated treatment text, image, figure, audio, video
Concrete application.Splicing controller on the market at present, it is rarely found in terms of multimedia messages are handled, generally needing to handle magnanimity
When multimedia messages, digital signage, the framework of multi-medium information spreading system combination splicing controller are selected, causes to invest
It is bigger, it is also not easy to manage, control.
Based on above analysis, the utility model provides a kind of distributed network video process apparatus, specifically, knot
Close the advantages such as more distributed splicing device windowing number, signal source dispersed distribution, the large screen scale supported be big, solution synchronism
Can with network delay it is big the problem of.Output node is using Hi3536 as kernel processor chip in the utility model, modular structure,
User allow according to required unit windowing number flexible configuration.Control unit is configured with (SuSE) Linux OS, facilitates use
The operations such as family addition application program, addition base map, storage, preview, using the structure of dual system, guarantee system does not crash, without black
Screen shields without flower, does not occur phenomena such as streaking beveling line float, and cascade shape can be taken between monomer and monomer
Formula；Support RGB, HD video YPbPr, DVI, the input of the various video signals source such as composite video, at the same support ultra high-definition HDMI,
The input (4Kx2K) of DP signals and the input of DVI dual links；Flexible combination webpage, video, audio, picture, animation, subtitle, reality
When the typesettings such as data list be combined on multimedia programming and shield；It is convenient that each window is identified on large screen；At least support one
It is arbitrary mobile to more, many-one, multi-to-multi display pattern and scaling, windowing roaming, picture-in-picture, brightness, contrast, saturation degree,
The display effects such as tone, acutance, frozen frame control；Support RS485/232 serial ports and network TCP/IP controls, complete open type soft
Part control protocol facilitates the programming of third party application；Possesses power redundancy backup, an one standby double control system of master is protected
Card system normal operation, and the switching time between arbitrary display pattern, no more than 2 seconds, each scene mode can be with exchange-column shift；
Integrated dynamic data is set up, and passes through web analysis, text file, database, Web, Services, Socket, RSS, RTSP/
The modes such as RTMP transmission or other specific format files, obtain data, with visual means directly perceived from data source dynamic realtime
Typesetting is shown, such as RMB deposit and loan interest rate, National urban weather forecast, exchange rate quotation, air station flight entrance and clearance information, stock
City's market, conference agenda etc.；The special-effect switching of support source window.
Fig. 1 is a kind of structure diagram for distributed network video process apparatus that the utility model embodiment provides, and is wrapped
It includes：
Signal input module 100, signal display module 200, Internet video processor 300 and internet exchange system 400,
The signal input module 100, the signal display module 200 and the internet exchange system 400 respectively with institute
Internet video processor 300 is stated to connect；
It is single that the Internet video processor 300 includes acquisition node 301, exchange system 302, output node 303 and control
Member 304；
The acquisition node 301 is connected with the exchange system 302, the exchange system 302 and described control unit 304
It is connected with the output node 303.
Wherein, signal input module 100 can be the encoder with video compress, IP Camera, can also come from
The multimedia messages of internet or the logo of customization, document, animation etc..Signal input module 100 is used to need
It will be in the form that the research content of big screen display is flowed into IP in network transmission.Internet exchange system 400 include the network switch,
Router, streaming media server etc. complete the functions such as the reception, forwarding, management of network signal.Signal display module 200 be with
The equipment that visual mode shows multimedia content, is chosen as large-size screen monitors.Internet video processor 300 is used to receive
Corresponding network signal, unzip it and open a window some image processing operations such as roaming, is transmitted further to display device progress
Display.It is obvious that this is the core of distributed large screen display system.
The modular general frame of use of distributed network video processor 300, entire large screen display system are main
It is made of four parts：Acquisition node 301, exchange system 302, output node 303, control unit 304.
Its operation principle is：Acquisition node 301 is used for Image Acquisition, and video compress then is passed through friendship into compressed bit stream
Change the equipment that system 302 is transmitted to output node 303.The equipment can be camera, can also video network encoder etc..It is defeated
Egress 303 unzips it compressed bit stream, recovers video, and image procossing and display are carried out in output terminal.Due to large-size screen monitors
Multiple output nodes 303 therefore can be merged design by the centrality of curtain display device with control unit 304, such as be taken point
It dissipates with concentrating the General layout Plan that is combined, solves common distribution splicing controller and ask whole screen net synchronization capability is bad
Topic.
Specifically, the improvement for net synchronization capability, what we took is the method that hardware is combined with software, when a letter
When number source window is shown between polylith physics screen, that is, our windowing roamings for often saying, our synchronization principles are：Control
Unit 304 processed periodically checks windowing information, for roaming window, all output nodes 303 involved by inquiry roaming window
Decoding frame timestamp with display frame time stamp, be then compared, analyze both timestamps of each output node 303
Relative value selects one group of decoded time stamp of relative value maximum and time alignment of the display frame time stamp as entire roaming window
Stamp, control unit 304 send the information that time alignment stabs to each node, and each node is opened using time alignment stamp as foundation
Begin adjustment decoding frame timestamp and display frame time stamp.Lower mask body introduces synchronous flow：
Step 1：Control unit 304 periodically checks windowing information, for the window across screen roaming, finds out involved
Physics screen and involved output node 303；
Step 2：Control unit 304 reads local system time T_sys, and T_sys is sent to all output nodes
303, after each output node 303 is connected to T_sys, it is set to the system time of this output node 303；
Step 3：When the inquiry of control unit 304 roams the decoding frame timestamp on all output nodes 303 of window and plays frame
Between stab；
Step 4：Each output contact returns to 304 3 parameters of control unit：One is the current output node
303 system time T_s_sys, another is decoding frame timestamp Epts, and there are one be reproduction time stamp Wpts；
Step 5：Control unit 304 compares T_s_sys, Epts, Wpts of each output node 303, with highest priority
An output node 303 T_s_sys on the basis of timing, the T_s_sys of other output nodes 303 subtracts benchmark timing and obtains
Then difference diff subtracts diff with the output node 303Epts, Wpts respectively, obtain the output node 303 Epts_s and
Wpts_s calculates the above-mentioned two value of all roaming window output nodes 303；
Step 6：The Epts_s and Wpts_s of each output node 303 are compared, selects a maximum class value as each defeated
The time alignment stamp of egress 303, control unit 304 send it to output node 303；
Step 7：After output node 303 receives time alignment stamp, the present system time of this output node 303 is read,
Subtract each other with the T_s_sys received, obtain difference diff, the Epts_s received and Wpts_s is added into diff, you can it is defeated to obtain this
The new decoding frame timestamp of egress 303 with play frame time stamp, and with new decoding frame timestamp with play frame time stab into
Row decoding and display.
Distributed network video process apparatus provided in this embodiment sets acquisition node in Internet video processor 300
301st, exchange system 302, output node 303 and control unit 304 so that when synchronizing processing, Internet video processor
300 can quickly respond synchronizing signal, improve the synchronous efficiency of video data.
Optionally, as shown in Fig. 2, the output node 303 includes：Processor 3031, storage device interface 3032, network
Interface 3033, video output circuit 3034, audio playing circuit 3035；
The storage device interface 3032, the network interface 3033, the video output circuit 3034 and the audio
Playing circuit 3035 is connected respectively with the processor 3031.
Storage device interface 3032 includes Flash interfaces and SATA interface, and SATA interface is used to be attached with hard disk,
Flash interfaces are used to be attached with Nandflash equipment.
Network interface 3033 includes Ethernet interface, which is used to be connected with ethernet physical layer (ETHPHY).
Optionally, the output node 303 further includes：Memory module.Memory module can be DDR3.
Optionally, the output node 303 further includes：Power module.
Optionally, the output node 303 further includes：Clock module.
Optionally, the processor 3031 thinks Hi3536 processors 3031 for sea.
Optionally, control unit 304 is configured with linux operating systems.
The processor 3031 of output node 303 can select sea think Hi3536, built-in high-performance A17 processors 3031,
The up to multi-protocols Decode engine of 16 road 1080p30Hz decoding capabilities, is integrated with the height for possessing multinomial complicated image Processing Algorithm
Performance video/image handles engine, and the decoding standard of support includes：H.265mainprofilelevel5.1,
H.264Baseline/MainProfile/HighProfile, MPEG4SPL0~L3/ASPL0~L5, MJPEG/
JPEGBaseline.Cbr (constant bit rate) (CBR) and two kinds of control modes of variable bit rate (VBR) are optional, support area-of-interest (ROI)
Coding, the color ash that turns encode；IVE2.0 intellectual analysis accelerating engines are integrated with, support movement scouting, video diagnosis, boundary defence etc.
A variety of intellectual analysis applications support 3D denoisings, de_interlace, edge-smoothing, dynamic contrast enhancing, gray scale sharpen, is anti-
Various videos, the image processing function such as flicker processing, scaling, OSD support a HDMI2.0, a VGA high definition, one
Three kinds of video output interfaces of BT.1120 high definitions, be also integrated with a variety of audio format interfaces, multiple network interfaces, memory interface, USB,
Some peripheral interfaces such as UART, SPI, support a variety of start-up modes, meet product function, performance, image quality requirements it is same
When, also reduce design, production cost.Optionally, including Flash, sata interface, DDR3 interfaces, video output interface, audio
The components such as output interface, network interface, control interface.
Control unit 304 may be employed based on the embedded flat of the exploitation of Freescalei.MX6Q1.2Gz processors 3031
Platform, the processor 3031 embed tetra- cores of ARMCortexA9, and the control panel of design, which carries resource, includes LCD expansion connectors (2mm
Double contact pin), HDMI1.4 interfaces, two USB2.0 interfaces：One OTG connector, a USBHOST interface, two Ethernets
Connector, a CAN connector, an I2S audio interface, a SATA interface (12V hard disks power supply is equipped on plate), a SD
Deck, an infrared connector lug also have I2C, serial ports, SPI, debugging mouth etc., and system is developed under linux operating systems, embed
WEB control interfaces, whole system support five kinds of control models：Keyboard hot key OSD is controlled, and is controlled based on WEB control interfaces, net
The control of mouth/serial ports (supports third party's control, such as some common control devices), the quick key controls of keyboard F1~F12, and company is special
Use Keyboard Control.
Distributed network video process apparatus provided in this embodiment can be applied to Police Command Center, multimedia religion
The each side such as, the multifunctional conference Room, traffic administration, command scheduling, energy construction, entire chain route various signal sources, large-size screen monitors
Curtain display device, splicing controller and other related equipment are composed, signal source can be from PC machine, video camera,
Network or network are sent to after the encoded device coding of vision signal of DVD player, TV or network machine top box etc.
Camera, large-screen splicing wall are display devices therein, and the internet exchange system in figure includes：(mobile terminal is set work station
Standby, PC machine etc.), network server, network storage equipment, (network switching equipment, the network interconnection and transmission are set network communication equipment
It is standby, including network interface card, cable, hub (HUB), interchanger, router etc.) and some corresponding network softwares, specific implementation
Process is as follows：
1) device power starts distributed network processor, if necessary to upload base map, will preserve the computer of base map with
The network interface of Control card is connected, and keys in IP, accesses embedded IE browser interface, and base map is uploaded according to prompting, and preserves, and also may be used
Base map is stored on network server, if splicing controller has mouse to be connected, the USB flash disk for preserving base map can also be inserted
Enter the USB port of Control card, using mouse action, base map is uploaded into Control card, and be saved in above Control card certainly
In the peripheral storage device of band；
2) start and finish, system is initialized, and Inport And Outport Node is configured, the preservation before initialization shutdown
Display pattern, windowing pattern, parameter setting etc., gather the required status information in each road, write daily record；
3) after starting, initializing, user can just carry out various operation operations, including opening a window, roaming, switching, shape
State inquiry, equipment control, character adding, image processing operations, the operation of mouse screen sliding, cooperative operation of attending a banquet control etc.；
4) signal source by encoder generation H.264/H.265, is sent into network transmission if uncompressed code stream, if
It is that the signal of IP Camera is directly entered network transmission；
5) output section receives the multipair IP streams for coming from network, unzips it first, to roaming synchronizing of window place
Reason, then will decompress later vision signal carry out brightness, contrast, tone, sharpening, scaling, moving-target recognition and tracking,
The related image processing algorithm such as image co-registration finally, according to control instruction, completes the windowing, roaming, picture point of display process
It cuts, cut, the functions such as the superposition of more pictures, picture partial enlargement, character adding, base map are shown.
The above are the specific implementation process of system, there is very big advantage compared to similar-type products present on society：
1) possess the display synchronization of height, the delay of extremely short input picture to large-size screen monitors, when extremely short control strategy responds
Between, less than the asynchronous delay of the display of 1ms, from the delay of the image display less than 50ms for being input to display, the splicing less than 20ms
Display control strategy switch speed；
2) abundant upper screen strategy,, can on output unit all the way using accurate image cut and Image Zooming Algorithm
It,, can for similarly signal source all the way using multicasting technology to realize the Overlapping display for being for up to 64 different image active layer
To realize up to 128 parts of copy, screen, echo, recorded broadcast, local network preview, IP network preview etc. majority in multichannel are completed
According to service；
3) the related audio and video processing function of the system integration：Image scaling, luminance contrast adjusting, shearing/cut, go every
Row, interlacing are shown, the filtering of volume adjustment, audio, gray correction, dynamic detection adaptive noise reduction, image co-registration, moving-target are set
It, can be emerging with the output of video display apparatus optimum resolution, client's sense according to the state of video display apparatus with the functions such as tracking
Topography's output and the adjusting of audio of interest etc.；
4) multimedia, supported web page, video, audio, picture, animation, subtitle, real time data list display,
The typesettings such as widget information inserts (weather forecast, date, map are optional), IE browser, which are combined on multimedia programming, shields, real
The whole network for having showed multimedia programming exchanges, and has widened application scenarios；
5) software interface design is friendly, and user according to the prompting that software carries can simply be operated, provided very much
Open agreement, convenient for the application program of User Exploitation oneself；
6) the screen sliding operation of mouse-keyboard, provides another and carries out image scaling, brightness, contrast, tone, acutance
Adjustment, volume adjustment, windowing, roaming, picture superposition, picture draw high, the mode of feature operations such as character adding and common
Full screen editing function of the document on entire large screen；
7) the synchronization strategy that software and hardware is combined is employed, avoids image asynchrony phenomenon in window roam procedure；
8) system employs modularized design, convenient for installation and maintenance, has merged image procossing, audio/video encoding/decoding function,
A tractor serves several purposes is equivalent to, or perhaps multimachine is unified, and avoids the overlapping investment of client, is also beneficial to upgrade.
Note that it above are only the preferred embodiment of the utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious variation is readjusted and substituted without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (7)
1. a kind of distributed network video process apparatus, which is characterized in that including：Signal input module, signal display module, net
Network video processor and internet exchange system；
The signal input module, the signal display module and the internet exchange system are handled respectively with the Internet video
Device connects；
The Internet video processor includes acquisition node, exchange system, output node and control unit；
The acquisition node is connected with the exchange system, and the exchange system and described control unit connect with the output node
It connects.
2. distributed network video process apparatus according to claim 1, which is characterized in that the output node includes：
Processor, storage device interface, network interface, video output circuit, audio playing circuit；
The storage device interface, the network interface, the video output circuit and the audio playing circuit respectively with institute
State processor connection.
3. distributed network video process apparatus according to claim 2, which is characterized in that the output node also wraps
It includes：Memory module.
4. distributed network video process apparatus according to claim 2, which is characterized in that the output node also wraps
It includes：Power module.
5. distributed network video process apparatus according to claim 2, which is characterized in that the output node also wraps
It includes：Clock module.
6. distributed network video process apparatus according to claim 2, which is characterized in that the processor is Hai Si
Hi3536 processors.
7. distributed network video process apparatus according to claim 1, which is characterized in that control unit is configured with
Linux operating systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721447476.5U CN207399423U (en) | 2017-11-02 | 2017-11-02 | A kind of distributed network video process apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326125A (en) * | 2018-11-14 | 2019-02-12 | 太原市高远时代科技有限公司 | Picture quality diagnostic system and diagnostic method based on embedded system |
| CN109996012A (en) * | 2019-03-29 | 2019-07-09 | 上海晨驭信息科技有限公司 | A kind of collection fraction splicing recording and broadcasting system |
| CN110519531A (en) * | 2019-09-11 | 2019-11-29 | 华东师范大学 | Multi-path high-definition video distribution formula processing equipment |
| CN111586470A (en) * | 2020-05-21 | 2020-08-25 | 上海大因多媒体技术有限公司 | Multi-image display control method, main control device and control system |
| CN112463095A (en) * | 2020-12-04 | 2021-03-09 | 威创集团股份有限公司 | Multi-signal window synchronous windowing display method and device |
| CN112509576A (en) * | 2020-04-13 | 2021-03-16 | 安徽中科新辰技术有限公司 | Voice-controlled large-screen display system |
| CN113660493A (en) * | 2021-08-18 | 2021-11-16 | 天津津航计算技术研究所 | Real-time multi-channel H.265 video real-time decompression display method |
| CN116095418A (en) * | 2022-11-30 | 2023-05-09 | 天地阳光通信科技（北京）有限公司 | Subtitle roaming system and method |
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2017
- 2017-11-02 CN CN201721447476.5U patent/CN207399423U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326125A (en) * | 2018-11-14 | 2019-02-12 | 太原市高远时代科技有限公司 | Picture quality diagnostic system and diagnostic method based on embedded system |
| CN109996012A (en) * | 2019-03-29 | 2019-07-09 | 上海晨驭信息科技有限公司 | A kind of collection fraction splicing recording and broadcasting system |
| CN110519531A (en) * | 2019-09-11 | 2019-11-29 | 华东师范大学 | Multi-path high-definition video distribution formula processing equipment |
| CN110519531B (en) * | 2019-09-11 | 2024-03-22 | 华东师范大学 | Multipath high-definition video distributed processing equipment |
| CN112509576A (en) * | 2020-04-13 | 2021-03-16 | 安徽中科新辰技术有限公司 | Voice-controlled large-screen display system |
| CN111586470A (en) * | 2020-05-21 | 2020-08-25 | 上海大因多媒体技术有限公司 | Multi-image display control method, main control device and control system |
| CN112463095A (en) * | 2020-12-04 | 2021-03-09 | 威创集团股份有限公司 | Multi-signal window synchronous windowing display method and device |
| CN113660493A (en) * | 2021-08-18 | 2021-11-16 | 天津津航计算技术研究所 | Real-time multi-channel H.265 video real-time decompression display method |
| CN116095418A (en) * | 2022-11-30 | 2023-05-09 | 天地阳光通信科技（北京）有限公司 | Subtitle roaming system and method |
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