CN108595658A - A kind of weather knowledge base detection method based on multimedia content - Google Patents
A kind of weather knowledge base detection method based on multimedia content Download PDFInfo
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- CN108595658A CN108595658A CN201810399894.4A CN201810399894A CN108595658A CN 108595658 A CN108595658 A CN 108595658A CN 201810399894 A CN201810399894 A CN 201810399894A CN 108595658 A CN108595658 A CN 108595658A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
A kind of weather knowledge base detection method based on multimedia content is claimed in the present invention, which is characterized in that including following method：Pre-establish global urban weather knowledge base；User makes the multimedia file for being presently in environment；Climatic information in definition multimedia file；Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates testing result.Local climate can be monitored at any time by mobile terminal user using this method, analyses and comparison latter aspect is carried out with the content in urban climate library and may change the exception of local climate to accomplish timely early warning, effectively local climate and weather are monitored, it calls corresponding personnel to take reasonable measure and solves the other problems that weather Changes in weather may cause, on the one hand the data in weather knowledge base can also be safeguarded, avoids the outmoded and mistake of data.
Description
Technical field
The invention belongs to atmosphere data decision domains, specifically, a kind of weather based on multimedia content are claimed and knows
Know library detection method.
Background technology
The Activities of the mankind are all influenced by weather phenomenon in actual life.More and more smart machines are not now
It is disconnected to emerge in large numbers, it is used for that the mankind is replaced to complete various high-leveled and difficult, high-risk tasks, intelligence system may be needed according to day in certain application scenarios
Vaporous condition makes different judgement and selection, therefore studies the realization of the weather phenomenon identification of intelligence system present position environment
Method has practical significance.
People always want to obtain feature of the measurement data more as possible as identification object, and are constituted description identification with this
The pattern vector of object, but based on this recognition result that seems correct way and may not be able to be got well, that is to say, that no
The accuracy rate of grader can be promoted by simply increasing the dimension of pattern vector.The reason is that the original date that measurement obtains
In, partial data only contains a small amount of classification information, or even is free of any classification information.
Weather is substantially positioned in the state of real-time change an area, and weather is then deposited for a certain area
In fixed cyclically-varying rule, the changing rule between weather and weather is inquired into, the city of regions of the world is rationally grasped
The data information in weather library, effectively to the timely early warning of the abnormal changes of climate in somewhere, for studying the atmospheric environment of this area
It has a very important significance.
Invention content
The technical issues of to solve accurately safeguard each department climatic information library in the prior art, the present invention is claimed
A kind of weather knowledge base detection method based on multimedia content.
A kind of weather knowledge base detection method based on multimedia content that the present invention is protected, which is characterized in that including
Following method：
A：Pre-establish global urban weather knowledge base；
B：User makes the multimedia file for being presently in environment；
C：Climatic information in definition multimedia file；
D：Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates detection
As a result.
Preferably, the step A further includes：
The global urban climate database pre-established, which covers seven continents, ends the size of population on December 31st, 2017 more than the world
The city of average population density；
Mapping relations are established in city in the climate database with belonging country and continent；
Mapping relations are established in city in the climate database with geographical location, weather, common weather residing for the city.
Preferably, the step B further includes：
User make the multimedia file of environment being presently in be by the camera of mobile device to environment nowadays into
The capable sound short-sighted frequency for not being shorter than preset duration, when the sound short-sighted frequency domestic demand understands that the scene for showing sky is not shorter than second
It is long.
Preferably, the step C further includes:
The first current weather condition is identified based on the image information in sound short-sighted frequency, first weather condition includes wet
Degree, temperature, intensity of illumination, whether the contents such as sleet；
Current second weather condition is identified based on the acoustic information in sound short-sighted frequency, and second weather condition includes sleet
The suitability degree information etc. that intensity, extraneous biological sound determine.
Preferably, the step D further includes：
Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates detection knot
Fruit；
The weather knowledge base is based on weather prediction model and establishes in real time, and the climatic information in each city of storage inside is in basis
The weather forecasting that sound short video capture uplink time establishes the city may model；
Based on the real-time weather situation in the shooting cities analyzed step C, similarity is searched in weather knowledge base more than first
The city scenarios of threshold value are compared the climatic characteristic in city where the two, geographical location feature, judge to detect weather knowledge
The accuracy in library, when accuracy is less than second threshold, prompt system backstage manager safeguards internal data in time.
Local climate can be monitored at any time by mobile terminal user using this method, the content with urban climate library
It carries out analyses and comparison latter aspect and may change the exception of local climate to accomplish timely early warning, effectively to local climate and day
Gas is monitored, and is called corresponding personnel to take reasonable measure and is solved the other problems that weather Changes in weather may cause, on the one hand
Data in weather knowledge base can also be safeguarded, avoid the outmoded and mistake of data.
Description of the drawings
It is included to provide the attached drawing further recognized to published subject, this specification will be incorporated into and constitute this and said
A part for bright book.Attached drawing also illustrates the realization of published subject, and disclosed for explaining together with detailed description
The realization principle of theme.It is not attempt to the basic comprehension of published subject and its displaying of a variety of practice modes more than the knot needed
Structure details.
Fig. 1 is a kind of flow chart of weather knowledge base detection method embodiment based on multimedia content of the application.
Specific implementation mode
Advantages of the present invention, feature and reach the method for the purpose will be bright by attached drawing and subsequent detailed description
Really.
Generally weather conditions are perceived, common method is deployment weather phenomenon sensor, and the survey to visibility may be implemented
Amount, rainfall, induction of snowfall phenomenon etc..This method advantage is easy to use, technology maturation, the disadvantage is that fund cost is too high,
Single sensor price yuan is differed from thousand yuan to ten thousand, it is clear that is not suitable for this occasion for needing largely to dispose of intelligent city.
Therefore, a kind of weather knowledge base detection method based on multimedia content is claimed in the present invention, works as solving
The preceding weather of local climate in practice identification not in time, reports inaccurate technical problem.
A kind of weather knowledge base detection method based on multimedia content is it is characterised in that it includes following method：
A：Pre-establish global urban weather knowledge base；
B：User makes the multimedia file for being presently in environment；
C：Climatic information in definition multimedia file；
D：Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates detection
As a result.
Specifically, the step A further includes：
The global urban climate database pre-established, which covers seven continents, ends the size of population on December 31st, 2017 more than the world
The city of average population density；
Mapping relations are established in city in the climate database with belonging country and continent；
Mapping relations are established in city in the climate database with geographical location, weather, common weather residing for the city.
In the present invention, due to needing to count the city with certain practical application meaning, selection cut-off 2017
December 31, the size of population was more than the city of world's average population density, and such general human activity in area is violent, weather weather
Influence bigger to the mankind, the activity of the mankind are also easier to have an impact weather weather.
The climate database in the city is built by taking the Melbourne of Australia as an example, establish Melbourne be under the jurisdiction of it is Oceanian
Relationship, belonging country are Australia, and affiliated weather is subtropical zone moist climate, and affiliated weather, which describes, still belongs to dry for summer weather
Dry, nice and cool, specific month rainfall is more；Winter is mild, dry.
Preferably, the step B further includes：
User make the multimedia file of environment being presently in be by the camera of mobile device to environment nowadays into
The capable sound short-sighted frequency for not being shorter than preset duration, when the sound short-sighted frequency domestic demand understands that the scene for showing sky is not shorter than second
It is long.
Using red（Red）, it is green（Green）, it is blue（Blue）The coloured light of three kinds of primary colours is mixed to get nature in different proportions
The other coloured light done, RGB, which is used primarily in electronic system, indicates and shows that image, the number for the mobile device that user is held are taken the photograph
As head acquired image just uses this colour model.
The sound short-sighted frequency that user carries out environment nowadays not to be shorter than preset duration using the camera of mobile device,
It is preferred that preset duration is 30 seconds, local weather is identified on ability identification highland only after the more sufficient time.
Preferably, the step C further includes:
The first current weather condition is identified based on the image information in sound short-sighted frequency, first weather condition includes wet
Degree, temperature, intensity of illumination, whether the contents such as sleet；
Current second weather condition is identified based on the acoustic information in sound short-sighted frequency, and second weather condition includes sleet
The suitability degree information etc. that intensity, extraneous biological sound determine.
The present invention is without components such as temperature sensor, humidity sensors, it is only necessary to pass through regarding in sound video
Frequency information and acoustic information can analyze local weather real time information, simple and effective.
Preferably, the step D further includes：
Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates detection knot
Fruit；
The weather knowledge base is based on weather prediction model and establishes in real time, and the climatic information in each city of storage inside is in basis
The weather forecasting that sound short video capture uplink time establishes the city may model；
Based on the real-time weather situation in the shooting cities analyzed step C, similarity is searched in weather knowledge base more than first
The city scenarios of threshold value are compared the climatic characteristic in city where the two, geographical location feature, judge to detect weather knowledge
The accuracy in library, when accuracy is less than second threshold, prompt system backstage manager pays close attention to this area's variation in time may
The abnormal conditions of appearance.
It is that the sound video synthesis of weather submitted to past phase of history user predicts local city in weather knowledge base
Experience weather data under weather at that time, and establish out based on Gauss prediction model Changes in weather in local weather library
Fault tolerant workspace avoids the general variation of local weather being mistakenly considered anomalous variation.
Based on the real-time weather situation in the shooting cities analyzed step C, lookup similarity is more than in weather knowledge base
The city scenarios of first threshold, the comparison to similarity include climate type described in locality be based on preset similarity score,
The information such as local weather condition similarity, including sleet distribution, temperature humidity；To the climatic characteristic in city where the two,
Reason position characteristics are compared, and judge the accuracy for detecting weather knowledge base, when accuracy is less than second threshold, prompt system
Backstage manager pays close attention to this area and changes the abnormal conditions being likely to occur in time, and another aspect can also be to climate database
In data carry out quality testing, supervise in time related personnel update local climate weather condition.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (5)
1. a kind of weather knowledge base detection method based on multimedia content, which is characterized in that including following method：
A：Pre-establish global urban weather knowledge base；
B：User makes the multimedia file for being presently in environment；
C：Climatic information in definition multimedia file；
D：Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates detection
As a result.
2. a kind of weather knowledge base detection method based on multimedia content as described in claim 1, it is characterised in that described
Step A further includes：
The global urban climate database pre-established, which covers seven continents, ends the size of population on December 31st, 2017 more than the world
The city of average population density；
Mapping relations are established in city in the climate database with belonging country and continent；
Mapping relations are established in city in the climate database with geographical location, weather, common weather residing for the city.
3. a kind of weather knowledge base detection method based on multimedia content as described in claim 1, it is characterised in that described
Step B further includes：
User make the multimedia file of environment being presently in be by the camera of mobile device to environment nowadays into
The capable sound short-sighted frequency for not being shorter than preset duration, when the sound short-sighted frequency domestic demand understands that the scene for showing sky is not shorter than second
It is long.
4. a kind of weather knowledge base detection method based on multimedia content as described in claim 1, it is characterised in that described
Step C further includes:
The first current weather condition is identified based on the image information in sound short-sighted frequency, first weather condition includes wet
Degree, temperature, intensity of illumination, whether the contents such as sleet；
Current second weather condition is identified based on the acoustic information in sound short-sighted frequency, and second weather condition includes sleet
The suitability degree information etc. that intensity, extraneous biological sound determine.
5. a kind of weather knowledge base detection method based on multimedia content as described in claim 1, it is characterised in that described
Step D further includes：
Climatic information in the multimedia file parsed is compared with the climatic information of weather knowledge base, generates detection knot
Fruit；
The weather knowledge base is based on weather prediction model and establishes in real time, and the climatic information in each city of storage inside is in basis
The weather forecasting that sound short video capture uplink time establishes the city may model；
Based on the real-time weather situation in the shooting cities analyzed step C, similarity is searched in weather knowledge base more than first
The city scenarios of threshold value are compared the climatic characteristic in city where the two, geographical location feature, judge to detect weather knowledge
The accuracy in library, when accuracy is less than second threshold, prompt system backstage manager pays close attention to this area's variation in time may
The abnormal conditions of appearance.
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| CN201810399894.4A CN108595658B (en) | 2018-04-28 | 2018-04-28 | Climate knowledge base detection method based on multimedia content |
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