CN107071365A - A kind of meteorological data Virtual Service system and method - Google Patents
A kind of meteorological data Virtual Service system and method Download PDFInfo
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- CN107071365A CN107071365A CN201710318398.7A CN201710318398A CN107071365A CN 107071365 A CN107071365 A CN 107071365A CN 201710318398 A CN201710318398 A CN 201710318398A CN 107071365 A CN107071365 A CN 107071365A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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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
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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
- H04N5/272—Means for inserting a foreground image in a background image, i.e. inlay, outlay
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Or Creating Images (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a kind of meteorological data Virtual Service system and method, the system includes multiple video cameras, chroma key device, rendering server, switch, delayer, black field synchronization generator, control server, monitor；The black field synchronization generator sends synchronous black burst, synchronous all video equipments；The switch, is selected the video source that the multiple video camera is inputted, and selection switches out the video source of needs；The delayer enters line delay to the picture of the video source for selecting to switch out；The three-dimensional meteorological virtual element background signal of the rendering server generation；The picture that the chroma key device is exported to delayer scratch as processing, and the picture through scratching as processing processing merges with the meteorological virtual element background signal as final vision signal, is output to the monitor.Pass through technical scheme, it is ensured that realizing the three-dimensional description of weather phenomenon, there is provided real-time visual edit and broadcast instrument.
Description
Technical field
The present invention relates to meteorological data service technology field, and in particular to a kind of meteorological data Virtual Service system and side
Method.
Background technology
Requirement more and more higher of the development of new and high technology to sci-tech product, and scientific and technological progress be technological progress key and
Backing.With the development of science and technology, needing that agricultural weather implementing platform assets value can be allowed to maximize, it is necessary to provide polynary increment
Service.In recent years, frequent natural calamity occurred, and disaster is caused to China and our province.It is particularly agriculture even more serious.For
Accuracy, promptness, the visualization property of the weather forecast of serve for agriculture seem even more important.
The weather forecast system that whole nation each province, meteorological department of city use at present is all by means of traditional editing equipment, tradition
Program making equipment and it is several it is incomplete drawing and meteorological symbol plug-in unit, function can not meet dynamic, in real time, three-dimensional visible
Change the demand of application.And substantially manual operations, efficiency is low, poor real.
Therefore the meteorological data virtual service desk system that we research and develop be based on the processing of the software image of video flowing, it is soft
Combination of hardware, is related to a kind of complication system of the various fields such as electronics, machinery, computer, image procossing, optics, control algolithm.
Meteorological data virtual service desk system is easy to make, Functional Design has 18 submodules, efficiently visualizes in real time pre- in real time
Authoring platform is reported, from three-dimensional description in real time, China's Meteorological Field has been filled up in terms of the three-dimensional real time demonstration for the weather events that happen suddenly
One blank in field, market prospects are considerable.
The weather forecast system that whole nation each province, meteorological department of city use at present is all by means of traditional editing equipment, tradition
Program making equipment and it is several it is incomplete drawing and meteorological symbol plug-in unit, function can not meet dynamic, in real time, three-dimensional visible
Change the demand of application.And substantially manual operations, efficiency is low, poor real.
In order to adapt to modern agriculture and meteorological data Virtual Service growth requirement, national meteorological department is substantially met meteorological pre-
Report is ensured, prevented and reduced natural disasters for agricultural, agricultural reply climate change needs, is developed in harmony with whole modern weather business system, knot
Structure science, rationally distributed, function are advanced, the meteorological real-time prediction business of modern agriculture being laid out with country, province, city, county's level Four
System.Agrometeorological observation forecast substantially meets business service demand；The specific aim of agricultural weather real-time prediction, ageing, standard
True property and the degree of becoming more meticulous are significantly improved；Featured agriculture, agrometeorological index system are tentatively set up；Modern agriculture Meteorological Services energy
Power is constantly strengthened, and business layout system can provide effective specialized meteorological services for the development of modern agriculture, realize Traditional Agricultural
Transformation from industry weather forecast to modern agriculture weather forecast.
A set of meteorological data virtual service desk system is researched and developed into, is rural area Forecast of Meteorological Disaster ability, rural area is meteorological pre-
Alert information issue, linkage rural area is met an urgent need mitigation forecast, and the sound rural area meteorological disaster defence platform puted prevention first, development is adapted to me
The weather forecast system of province rural area basic condition, improves the integral level of rural area meteorological disaster defence comprehensively.
New situations and new demand in face of China's modern agricultural development, there is also many inadaptable development for Agricultural meteorology operation
The problem of needing.Mainly：Agricultural meteorology operation product is limited, specific aim is not strong, timeliness is not high, coverage rate is inadequate, it is impossible to fill
The demand for meeting modern agricultural development, new countryside construction, especially agricultural is divided to prevent and reduce natural disasters, agricultural tackles climate change, country
The new demand that grain security etc. is proposed to agricultural weather work；Agrometeorological observation ability is substantially delayed, and observation instrument falls behind, money
Material is shared, standardization and upload in time are inadequate, and agrometeorological observation logging benefits do not give full play to, agricultural weather experiment
Development of standing is very slow, and agricultural weather experimental basis falls behind；The science and technology support of Agricultural meteorology operation is weak, and analysis and evaluation product is determined
Property it is many, quantitative few, Agricultural meteorology operation technology, which still shows, to fall behind；Agricultural meteorology operation troop especially basic unit's weak, business
Standardized administration is not suitable with growth requirement；Agricultural meteorology operation organically combines inadequate with synoptic climate business, it is impossible to be sufficiently formed whole
Body advantage, scientific development of common propulsion modern weather business system etc..Problem above is needed badly by planning of science activities, is further added
The strong development of modern agriculture weather service and modernization construction, are conscientiously solved.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of meteorological data Virtual Service system, the system includes many
Individual video camera, chroma key device, rendering server, switch, delayer, black field synchronization generator, control server, monitor；
The black field synchronization generator sends synchronous black burst, synchronous all video equipments；
The switch, is selected the video source that the multiple video camera is inputted, and selection switches out the video of needs
Source；
The delayer enters line delay to the picture of the video source for selecting to switch out；
The mechanically tracking sensor-based system tracks the operation of the video camera, is converted into Mechanical course data and is sent to
Render clothes
Business device；
The three-dimensional meteorological virtual element background signal of the rendering server generation；
The picture that the chroma key device is exported to delayer scratch as processing, through scratching picture and the gas as processing processing
Turn into final vision signal as virtual element background signal merges, be output to the monitor.
It is preferred that, the rendering server is controlled by controlling server to realize, including realize the visual of video
Change editor, arbitrary height sets up the video camera of any angle coverage and viewfinder range in dimensional topography overhead.
It is preferred that, the video equipment includes：The multiple video camera, rendering server, switch and delayer.
It is preferred that, line delay is entered to the picture of the video source for selecting to switch out by the delayer, realized
Audio-visual synchronization.
It is preferred that, the chroma key device is by removing the background in the delayer output vision signal, extracting hosting
People or the foreground signal of guide, then the host extracted or the foreground signal of guide and the meteorological virtual background
Signal merges the final vision signal of generation, and is output to monitor and is supervised.
In order to solve the above technical problems, the invention provides a kind of meteorological data Virtual Service method, this method includes：
Black field synchronization generator sends synchronous black burst, synchronous all video equipments；
Switch, is selected the video source that the multiple video camera is inputted, and selection switches out the video source of needs；
Delayer enters line delay to the picture of the video source for selecting to switch out；
Mechanically tracking sensor-based system tracks the operation of the video camera, is converted into Mechanical course data and is sent to and renders
Server；
The meteorological virtual element background signal of rendering server generation；
The picture that chroma key device is exported to delayer scratch as processing, is merged into the meteorological virtual element background signal
For final vision signal, the monitor is output to.
It is preferred that, the video equipment includes：The multiple video camera, rendering server, switch and delayer.
It is preferred that, line delay is entered to the picture of the video source for selecting to switch out by the delayer, realized
Audio-visual synchronization.
It is preferred that, the chroma key device is by removing the background in the delayer output vision signal, extracting hosting
People or the foreground signal of guide, then the host extracted or the foreground signal of guide and the meteorological virtual background
Signal merges the final vision signal of generation, and is output to monitor and is supervised.
In order to solve the above technical problems, the invention provides a kind of computer-readable storage medium, it includes computer program and referred to
Order, when performing the computer program instructions, performs one of above-mentioned method.
Following technique effect is achieved by technical scheme：
Using meteorological data virtual service desk system, common people can be allowed most intuitively, most fast, most accurately to understand timely
The series of meteorological information such as weather condition and future weather situation, hazard forecasting；It is conventional so as to solve the existing Meteorological Services of China
It is delayed, information is hard to understand, the weak old problem of forecast disaster ability and forms product and puts goods on the market, so as to form economic benefit
Point.Realize the three dimensional stress intention of weather notation, make.There is provided the real-time visual editor programmed with three dimensional symbol
With the instrument of broadcast.And applied in the making of daily Weather Program.Realize the three-dimensional description of weather phenomenon.There is provided real-time
Visual edit is with broadcasting instrument.And in the making applied to daily Weather Program and meteorological popular science special topic.Realization has been defended
The continuous interpolation and dynamic three-dimensional display of nebula figure.Realize current cloud atlas data create the creation of following cloud atlas variation tendency with
Edit tool.And applied in the making of daily Weather Program.Virtual video camera is set up between ground and sky, is appointed with realizing
Weather phenomenon between angle of anticipating and visual angle scope observation ground and sky.There is provided dynamic is aobvious in real time on the tv screen
Show and visual edit instrument.According to the order and rhythm required by program, sequentially or simultaneously show in real time on dimensional topography
Show weather phenomenon and meteorological symbol, the trick mode of display, be three-dimensional or plane, be the attributes such as dynamic or static state and reach can
Setting as needed.Realizing makes weather notation and weather phenomenon according to real spatial relation and perspective relation and three-dimensional
Or the editor that is merged of plane landform and Broadcast Control instrument.Realize clear statement weather information, the statistics of historical data and report
Accuse, system reaches the change in real time of the data such as offer D prism map, three-dimensional pie chart, three-dimensional curve diagram and editor's broadcast instrument.
Brief description of the drawings
Fig. 1 is present system composition figure
Embodiment
The invention discloses a kind of composition structure of meteorological data Virtual Service system.The system is all-digital signal, tool
There are video source input interface, high definition to scratch the system exported as chroma key, the outer video input of high definition, the synthesis of high definition SDI pictures, it is simultaneous downwards
Hold the input and output of full standard definition signal.System has the outer video input of activity, is regarded with high performance main-engine control desk, Streaming Media
Frequency server, chroma key device, scene and mask maker, camera control and parameter acquisition etc., video camera pickup include blue curtain
Delayer in the foreground signal feeding meteorological data virtual service desk system of background, is then respectively fed to chroma key device, with meter
The figure ground signal of calculation machine output synthesizes the final composite signal of virtual studio.System has trackless following function, can
To set the virtual camera of eight groups of different angles to find a view, it can switch between out of phase or track motion change.
The main modular of whole system is included：Very three-dimensional real-time weather environment renders display module, the life of real-time weather animation
Generation display module, real-time captions are created in real time into display module, the meteorological real-time arbitrfary point broadcasting module of animation, lines and picture and text
Generation display module is hinted obliquely in any body surface, conventional meteorological diagram, curve generate display module, studio and outdoor scene in real time
The meteorological scene in ground switches in real time generates display module, studio meteorology animation and the meteorological live real-time synthesis module of location, cloud,
The particIe systems such as rain, gas, fire generate and editor module, environment mapping, area shading and mirror image reversal module, meteorological telegraphic messages decode
With weather forecast automatically-generating module, weather phenomenon influences real-time display module to ground precipitation area domain, and topography and geomorphology is given birth in real time
Into module, topography and geomorphology is cut and editor module, topography and geomorphology lens zoom and displaying live view module, topographical surface cloud, mist,
Snow, rain, mud-rock flow, the generation such as fire realize that the virtual of agrometeorological forecasting data can with display module by these system modules
Depending on change.
Video camera is inputted as video source, and the system preferably uses three video camera seats in the plane, video camera model Sony
X280, two of which seat in the plane band physics tracking system, the seat in the plane with physics tracking system is to realize video camera in zoom, flat
Shake, tilt operation when virtual background element and host or guide's scape can be kept not to be consistent, this function need
Mechanically tracking sensor-based system catches the operating parameter of video camera：Zoom, yawing, pitch parameter, by this system by mechanically actuated
Parameter Switch is sent to the rendering server being attached thereto into control data.The position for video camera with physics tracking system
On electro-mechanical sensors, the video camera is connected with electro-mechanical sensors, electro-mechanical sensors sensing video camera
Hang on tripod, be connected with the electro-mechanical sensors, so as to gather outside various operations, the mechanically tracking sensor-based system
The aforesaid operations parameter of video camera.Realize that rocking arm is imitated by virtual rocking arm function in another virtual rocking arm of seat in the plane band, this seat in the plane
Really, make video pictures more rich.This external system also includes：Chroma key device, rendering server (HD＆SD), switch, delayer are black
Field synchronization generator, monitor, control server.Control installation system control software inside server, all software control behaviour
Work is all realized by this software, it may be said that control system is the control operation core of whole system.System has the outer video of activity
Input, high performance host computer control server, chroma key device, scene, camera control and parameter acquisition etc..
The workflow of whole system is：
1st, first, black field synchronization generator sends synchronous black burst, synchronous all video equipments：Three video cameras, wash with watercolours
Contaminate server, switch, delayer.
2nd, in the foreground signal feeding meteorological data virtual service desk system comprising blue curtain background of video camera pickup
Switch, is selected video source, and the video source scape that selection switches out needs is other.
3 then switch output sdi signal feeding video delayer to picture carry out delay process because all
Equipment has video and audio out of step conditions in transmission and signal transacting, it is therefore desirable to which delayer enters line delay to picture and reached
To audio-visual synchronization.
4th, rendering server directly generates emulation dimensional topography by software, its geomorphic feature can with season and one day not
With the sun angles and weather condition real-time change of time.And cloud, rain, snow, mudstone can be created in real time in landform overhead and surface
Stream, hail plasma object.These ion objects contacted with ground after thawing, the action effect safety such as flow, bounce, tumbling
Meet dynamics.The video camera of any angle coverage and viewfinder range can be also set up in dimensional topography overhead arbitrary height,
Dimensional topography landforms, weather phenomenon and natural calamity phenomenon are browsed at a distance or observation closely.
5th, last chroma key device output is scratched as chroma key device output key signals after processing and the virtual member of the meteorology of rendering system generation
Plain background signal synthesizes the final signal of meteorological data virtual service desk system by rendering server.
Chroma key device is (main by removing the blue or green foreground signal to extract host or guide in background
Hold that people is actual to be in the background of a pure blue), then remove blueness and the host extracted or guide's prospect are believed
Number and the virtual Meteorological Elements that make of rendering system unite two into one, generate final synthesis picture.The picture finally synthesized passes through
The SDI of chroma key device is output to monitor and supervised.
Using meteorological data virtual service desk system, common people can be allowed most intuitively, most fast, most accurately to understand timely
The series of meteorological information such as weather condition and future weather situation, hazard forecasting；It is conventional so as to solve the existing Meteorological Services of China
It is delayed, information is hard to understand, the weak old problem of forecast disaster ability and forms product and puts goods on the market, so as to form economic benefit
Point.
Realize the three dimensional stress intention of weather notation, make.There is provided the Real time visible programmed with three dimensional symbol
Change editor and broadcast instrument.And applied in the making of daily Weather Program.Realize the three-dimensional description of weather phenomenon.Provide
Real-time visual edit is with broadcasting instrument.And in the making applied to daily Weather Program and meteorological popular science special topic.Realize
The continuous interpolation and dynamic three-dimensional display of existing satellite cloud picture.Realize that current cloud atlas data create following cloud atlas variation tendency
Creation and edit tool.And applied in the making of daily Weather Program.Virtual video camera is set up between ground and sky, with
Realize the weather phenomenon between any angle and visual angle scope observation ground and sky.There is provided real-time on the tv screen
Dynamic Announce and visual edit instrument.According to the order and rhythm required by program, on dimensional topography in real time successively or
Show weather phenomenon and meteorological symbol simultaneously, the trick mode of display, be three-dimensional or plane, be the attributes such as dynamic or static state
Reach to set as needed.Realizing makes weather notation and weather phenomenon according to real spatial relation and perspective relation
The editor being merged with three-dimensional or plane landform and Broadcast Control instrument.Realize clear statement weather information, the system of historical data
Meter and report, system reach that the data such as offer D prism map, three-dimensional pie chart, three-dimensional curve diagram in real time with editing broadcast by change
Instrument..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement for being made etc. all should protect the guarantor in the present invention
Within the scope of shield.
Claims (10)
1. a kind of meteorological data Virtual Service system, the system include multiple video cameras, mechanically tracking sensor-based system, chroma key device,
Rendering server, switch, delayer, black field synchronization generator, control server, monitor；
The black field synchronization generator sends synchronous black burst, synchronous all video equipments；
The switch, is selected the video source that the multiple video camera is inputted, and selection switches out the video source of needs；
The delayer enters line delay to the picture of the video source for selecting to switch out；
The mechanically tracking sensor-based system tracks the operation of the video camera, is converted into Mechanical course data and is sent to and renders
Server；
The three-dimensional meteorological virtual element background signal of the rendering server generation；
The picture that the chroma key device is exported to delayer scratch as processing, through stingy as the picture and the meteorology of processing processing are empty
Intend element background value signal to merge as final vision signal, be output to the monitor.
2. system according to claim 1, is controlled by controlling server to realize to the rendering server, including
The visual edit of video is realized, arbitrary height sets up the shooting of any angle coverage and viewfinder range in dimensional topography overhead
Machine.
3. system according to claim 1, the video equipment includes：The multiple video camera, rendering server, switching
Device and delayer.
4. system according to claim 1, passes through picture of the delayer to the video source for selecting to switch out
Line delay is entered in face, realizes audio-visual synchronization.
5. system according to claim 1, the chroma key device is to be exported by removing the delayer in vision signal
Background, extracts the foreground signal of host or guide, then the host extracted or the foreground signal of guide and
The meteorological virtual background signal merges the final vision signal of generation, and is output to monitor and is supervised.
6. a kind of meteorological data Virtual Service method, this method includes：
Black field synchronization generator sends synchronous black burst, synchronous all video equipments；
Switch, is selected the video source that multiple video cameras are inputted, and selection switches out the video source of needs；
Delayer enters line delay to the picture of the video source for selecting to switch out；
Mechanically tracking sensor-based system tracks the operation of the video camera, is converted into Mechanical course data and is sent to the service of rendering
Device；
The meteorological virtual element background signal of rendering server generation；
The picture that chroma key device is exported to delayer scratch as processing, is merged with the meteorological virtual element background signal as most
Whole vision signal, is output to monitor.
7. method according to claim 6, the video equipment includes：The multiple video camera, rendering server, switching
Device and delayer.
8. method according to claim 6, passes through picture of the delayer to the video source for selecting to switch out
Line delay is entered in face, realizes audio-visual synchronization.
9. method according to claim 6, the chroma key device is to be exported by removing the delayer in vision signal
Background, extracts the foreground signal of host or guide, then the host extracted or the foreground signal of guide and
The meteorological virtual background signal merges the final vision signal of generation, and is output to monitor and is supervised.
10. a kind of computer-readable storage medium, it includes computer program instructions, when performing the computer program instructions, holds
One of row the claims 6-9 method.
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| CN114244873A (en) * | 2022-02-28 | 2022-03-25 | 深圳市千百炼科技有限公司 | Distributed task scheduling-based GFS meteorological data distribution and transmission method |
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| CN114244873A (en) * | 2022-02-28 | 2022-03-25 | 深圳市千百炼科技有限公司 | Distributed task scheduling-based GFS meteorological data distribution and transmission method |
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Application publication date: 20170818 |