Patents
Literature
53results about How to "Comprehensive perspective" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Method for all-angle automatic collection and generation of virtual data set
InactiveCN107452060ASave manpower and material resourcesGenerics are goodDesign optimisation/simulationNeural learning methodsData predictionData dredging
The invention belongs to the technical field of data mining and discloses a method for all-angle automatic collection and generation of a virtual data set. A real object is subjected to high-precision modeling, and a real material of a model is simulated through a simulation algorithm; by performing simulation change on an environment in which the model is located, the object is subjected to all-angle quick extraction of a large amount of visual images from different angles, different scenes and different illumination environments; and during output, automatic classification is performed automatically according to an extracted target model and other environment information to form the data set. A virtual sample which can be used for high-dimensional data prediction can be generated more accurately; a large amount of data can be generated in a short time; the manpower and material resources for collecting the data set at present are greatly reduced; the model has high plasticity; and by simulation under different views, the data set is better in genericity and more reliable.
Owner:XIDIAN UNIV
Method for examining initial readings of wind tunnel measurement instrument
InactiveCN104111157AIn-depth and comprehensive inspectionComprehensive perspectiveAerodynamic testingFrequency spectrumEngineering
The invention discloses a method for examining initial readings of a wind tunnel measurement instrument. The method includes the steps of continuously collecting the initial readings of the measurement instrument for 10 seconds at sampling frequency of 200Hz to 500Hz before a wind tunnel test; calculating the collected initial readings to respectively obtain characteristic values, such as an amplitude-frequency characteristic, a mean value, a peak-to-peak value and a corresponding physical quantity, of each measurement instrument initial reading signal; subjecting the current characteristic values of each measurement instrument initial reading signal and characteristic values and property indexes of the normal instrument to comparative analysis to achieve the purpose of examining and conforming work states of the measurement instrument. When the method is used for examining the initial readings of the wind tunnel measurement instrument, the sampling frequency of the initial readings reaches up to 200Hz to 500Hz, the data size is large, and much information is carried; during comparative analysis, a signal frequency spectrum characteristic, the peak-to-peak value, the corresponding physical quantity, the current values and the like are extracted from a large number of data for analysis, so that examination of the initial readings is more thorough and comprehensive.
Owner:INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
System for detecting, deducing, analyzing and solving flight conflict of unmanned aerial vehicle
ActiveCN119398310Aimprove securityImprove management efficiencyDesign optimisation/simulationResourcesSimulationUncrewed vehicle
The invention provides an unmanned aerial vehicle flight conflict detection, deduction analysis and solution system. The system comprises a data acquisition and preprocessing module which is used for acquiring and preprocessing low-altitude basic environment data, flight plan data and unmanned aerial vehicle real-time operation data; the unmanned aerial vehicle operation risk assessment module is used for realizing multi-dimensional unmanned aerial vehicle flight environment comprehensive risk assessment analysis and searching for an optimal solution of flight conflicts in the flight process of the unmanned aerial vehicle; the unmanned aerial vehicle operation risk alarm module is used for providing an unmanned aerial vehicle risk alarm service and an unmanned aerial vehicle risk solution by combining different monitoring scenes and risk configurations of the system; and the unmanned aerial vehicle deduction simulation module is used for simulating different unmanned aerial vehicle flight scenes. According to the invention, the flight safety and management efficiency of the unmanned aerial vehicle in the low-altitude environment are realized by combining the beforehand deduction optimization and the in-event real-time conflict monitoring of the flight plan of the unmanned aerial vehicle, the burden of manual monitoring is reduced, and the method has wide application prospect and practical value.
Owner:BEIJING TIANYU GUANYI TECHNOLOGY CO LTD
Game personalized 3D coloring method based on VR technology
ActiveCN106780700AComprehensive perspectiveReduce errors3D-image rendering3D modellingPersonalizationView angle
The invention discloses a game personalized 3D coloring method based on a VR technology. According to the method, by the utilization of the VR technology, a designer can visually judge the 3D coloring effect and meanwhile can directly color and render a game world on a game rendering interface which is directly presented on VR equipment by wearing a VR helmet and corresponding equipment. The defect that according to an existing game coloring technology, it is necessary to convert various game models, so that trouble is generated is overcome, the game coloring process is simplified, errors caused by conversion of the models are reduced, the coloring effect is more visual, and the efficiency of game design is improved. With diversified view angles of a VR model, by the utilization of the method, the game designer can directly render and color various view angles of one element in a game in a combined mode, therefore, the rendering effect is better, and efficiency is higher.
Owner:XUANCAI INTERACTIVE NETWORK SCI & TECH
Medical questionnaire open question answer coding method, system and device and medium
InactiveCN119230037Aimprove accuracyadd depthMedical data miningText processingSorting algorithmData treatment
The invention relates to the technical field of medical care informatics, and discloses a medical questionnaire open question answer coding method, system and device and a medium, and the method comprises the steps: converting an answer document of a medical questionnaire open question into an answer document vector through a document embedding model; an aggregation hierarchical clustering algorithm is utilized to quickly and accurately identify answer document clusters with hierarchical relationships and different answer document themes in answer documents, so that complex information is structured, subsequent analysis is facilitated, and a richer view angle is provided for data analysis; in combination with a graph-based sorting algorithm for texts and an abstract text abstract model, encoding answer documents contained in answer document clusters of different answer document topics into answer document abstracts, and forming topic-abstract pairs with hierarchical relationships by the answer document topics and the answer document abstracts of the answer document clusters; manual intervention is reduced, human errors are avoided, the consistency and reliability of medical data processing are improved, and the medical data processing time is shortened.
Owner:RENMIN UNIVERSITY OF CHINA
Loading and unloading point identification model training method, loading and unloading point identification method and electronic equipment
PendingCN119249222AImprove classification accuracyComprehensive perspectiveInternal combustion piston enginesAlgorithmSimulation
The invention provides a loading and unloading point recognition model training method, a loading and unloading point recognition method and electronic equipment. The method comprises the following steps: acquiring a plurality of training samples and category labels respectively corresponding to the plurality of training samples; inputting the plurality of training samples into an initial loading and unloading point identification model; and based on the category labels corresponding to the plurality of training samples, training the initial loading and unloading point identification model until a model convergence condition is satisfied, and obtaining a target loading and unloading point identification model. In the application, the training of the target loading and unloading point identification model depends on the fusion feature data of the first track point included in the training sample, and the fusion feature data of the first track point describes the first track point from multiple dimensions, so that a more comprehensive view angle is provided; the initial loading and unloading point recognition model can better recognize and learn features of different types of track points, the classification accuracy of the target loading and unloading point recognition model is improved, and then the loading and unloading point recognition accuracy of the target loading and unloading point recognition model is improved.
Owner:JIANGSU MANYUN LOGISTICS INFORMATION CO LTD
Quality evaluation system for preparing superconducting material and preparation process thereof
InactiveCN119624247AComprehensive perspectiveDynamically adjust analysis parametersDesign optimisation/simulationSpecial data processing applicationsProcess engineeringData profiling
The invention discloses a quality evaluation system for preparing a superconducting material and a preparation process thereof, which are used in the field of quality evaluation, and the quality evaluation system comprises a data collection module, a data analysis module, a multi-dimensional quality evaluation model construction module, a monitoring and adjusting module and a quality evaluation module. According to the method, various physical fields and various influence factors can be comprehensively considered, the performance of the superconducting material in a future environment is predicted by comprehensively considering the various influence factors and simulating different environmental conditions, optimization and adjustment are carried out according to an actual application result, different environmental conditions are simulated by utilizing simulation software, and the performance of the superconducting material in a future environment is predicted. The performance of the material under various conditions can be evaluated under the condition that the physical environment is not actually changed, the cost and time are saved, and the influence degree of different environmental factors on the performance of the superconducting material and the interaction among the different factors are analyzed through statistical methods such as variance analysis.
Owner:JIANGSU DUXING ZHIYUAN NEW MATERIAL TECH CO LTD
Business question-answering system and method, electronic equipment and medium
PendingCN119293186AComprehensive perspectiveNatural language data processingSpecial data processing applicationsEngineeringQuestions and answers
One or more embodiments of the invention provide a business question-answering system and method, electronic equipment and a medium. The system comprises a question receiving module, a public knowledge acquisition module and an answer generation module. The question receiving module is used for receiving a business question asked by a user; the public knowledge obtaining module is used for obtaining first knowledge matched with the business problem from a public knowledge base based on the business problem, and the first knowledge is obtained by summarizing multiple pieces of public knowledge with association in the public knowledge base; and the answer generation module is used for generating answer information for the business question according to the business question and the public knowledge.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD
Pumping unit position positioning method
PendingCN119090959ASolve the problem of limited field of viewExpand the scope of monitoringImage analysisCharacter and pattern recognitionComputer graphics (images)Monitoring system
The invention discloses a pumping unit positioning method and relates to the technical field of accurate positioning. In order to solve the technical problem in the prior art that the position of an oil pumping unit cannot be positioned due to the fact that the pixel position of a monitored and displayed image cannot be accurately registered with the actual position in an existing monitoring system, the technical scheme provided by the invention is as follows: the method for positioning the position of the oil pumping unit comprises the following steps of: acquiring a panoramic image; a step of collecting an orientation and a pitch angle corresponding to a target pixel point in the panoramic image; a step of obtaining the distance of the target pixel point according to the pitch angle corresponding to the target pixel point; obtaining latitude and longitude information of the target pixel point according to the distance of the target pixel point and the corresponding orientation; and matching the longitude and latitude information to the pumping unit corresponding to the target pixel point. The method can be applied to precise positioning and equipment management of the oil pumping unit in an oil field.
Owner:DAQING ANRUIDA TECH DEV CO LTD +1
Three-dimensional Copula multivariable combined sudden drought identification method
ActiveCN119474167AComprehensive perspectiveeasy to handleMathematical modelsDigital data information retrievalSoil scienceBiology
The invention relates to a three-dimensional Copula multivariable combined sudden drought recognition method. Relates to the technical field of drought identification. The method comprises the following steps: acquiring rainfall, potential evapotranspiration, soil humidity and runoff data; selecting an optimal probability distribution function to respectively fit soil humidity and runoff series processes to obtain a marginal distribution function of soil humidity and runoff; fitting the rainfall and potential evapotranspiration difference value by using three parameters log-logistic to obtain a marginal distribution function of the rainfall and potential evapotranspiration difference value; based on the marginal distribution function of the soil humidity and the runoff volume and the marginal distribution function of the rainfall and the potential evapotranspiration difference value, combined distribution is constructed, and a comprehensive sudden drought index is obtained based on the combined distribution; based on the comprehensive drought index, identifying a time sequence of a drought event by using a percentile method; a drought feature is identified based on the time series of drought events. According to the invention, the accuracy and reliability of sudden drought identification can be improved.
Owner:CHONGQING INST OF GREEN & INTELLIGENT TECH CHINESE ACAD OF SCI
Dual-objective optimization method and system for hidden carbon emission and cost of rectangular reinforced concrete beam
PendingCN119599288ASatisfy economyComprehensive perspectiveMarket predictionsForecastingStructural deformationConcrete beams
The invention discloses a rectangular reinforced concrete beam hidden carbon emission and cost dual-objective optimization method and system. The method comprises the steps that design parameters of a rectangular reinforced concrete beam, the comprehensive unit price of steel bars and concrete and carbon emission factors are obtained; on the basis of the design parameters of the rectangular reinforced concrete beam, an annual average cost objective function is constructed according to the comprehensive unit price, and an annual average implicit carbon emission objective function is constructed according to the carbon emission factors; the design bearing capacity of the rectangular reinforced concrete beam is used for meeting the component bearing capacity requirement, the maximum deflection limit value is used for meeting structural deformation control and construction requirements, and constraint conditions are established; and performing dual-objective optimization on carbon emission and cost on the rectangular reinforced concrete beam member under constraint conditions to obtain an optimal solution set. The method can be used for accurately formulating a carbon reduction strategy and a cost control plan, is suitable for various policy environments, and improves environmental and economic benefits of structural design.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Method for designing and screening antibacterial peptide for inhibiting fusarium graminearum
PendingCN119207631Aimprove featuresimprove securityMolecular designBiostatisticsAntimicrobial peptidesATP hydrolysis
The invention provides a design and screening method of an antibacterial peptide for inhibiting fusarium graminearum, which comprises the following steps: screening the antibacterial peptide targeting myosin of the fusarium graminearum from a peptide chain with inhibition on the fusarium graminearum, and carrying out saturated mutation to obtain an optimal triple mutant for remarkably improving the affinity and stability of the myosin; by combining with the catalytic center of myosin to inhibit ATP hydrolytic activity of myosin and prevent growth and diffusion of fungi, the effect of preventing and treating wheat scab caused by fusarium graminearum is superior to that of micromolecule cyanoacrylate bactericides, the influence on other non-target organisms can be reduced, and the micromolecule cyanoacrylate bactericides are environment-friendly, and the application of the micromolecule cyanoacrylate bactericides to the wheat scab caused by fusarium graminearum to the prevention and treatment of wheat scab caused by fusarium graminearum.
Owner:BEIJING INST OF TECH
Artificial intelligence video acquisition device
ActiveCN222164243UAffect the acquisition screeneasy to moveStands/trestlesAcquisition apparatusComputer graphics (images)
The utility model discloses an artificial intelligence video acquisition device, comprising a video acquisition processor, the front side of the video acquisition processor is provided with a lifting adjusting mechanism, through the arranged lifting adjusting mechanism, in the process that a video camera shoots and acquires a video, a rotating lead screw is controlled to rotate through a motor, and when the rotating lead screw rotates, the rotating lead screw is driven to rotate; the lifting sliding block in threaded connection with the outer side of the rotating lead screw can move in the vertical direction together with the video camera, so that the video camera can be adjusted to different heights according to shooting requirements, and richer visual angles and a larger shooting range are obtained; the camera is kept stable in the moving process, shaking and blurring caused by movement are reduced, the camera is particularly suitable for scenes needing long-time stable acquisition and shooting, and in addition, the video camera is covered and shielded through the protective cover, light can be effectively shielded, and the light is prevented from influencing the image acquisition of the video camera.
Owner:INST OF APPLIED MATHEMATICS HEBEI ACADEMY OF SCI
Knowledge distillation method based on frequency domain optimization
PendingCN119647555AComprehensive perspectivegood distillationInternal combustion piston enginesBiological modelsIntermediate frequencyEngineering
The invention relates to a knowledge distillation method based on frequency domain optimization, and the method comprises the steps: 1, carrying out the interaction with an intermediate frequency range through frequency prompt, and enabling the process to be guided and supervised by a teacher task loss function; and 2, carrying out multiplication operation on the fixed component and the frequency band of the teacher model by utilizing the frequency prompt in the step 1, thereby identifying key points in the frequency band. According to the method, the application of dense prediction tasks is optimized, the student model can more effectively learn key features in the teacher model by dynamically integrating the information of the frequency domain, and the effect and efficiency of model training are improved. The method has wide applicability, and a more efficient learning framework can be provided in different tasks.
Owner:HANGZHOU DIANZI UNIV
Efficiency evaluation method and device for intelligent operation and maintenance of cluster system
ActiveCN119127650Aefficient managementprecise managementHardware monitoringCluster systemsReinforcement learning algorithm
The invention relates to the technical field of artificial intelligence, in particular to an efficiency evaluation method and device for intelligent operation and maintenance of a cluster system. According to the method, the efficiency of the cluster system in different operation stages can be scientifically and accurately evaluated by constructing the reasonable efficiency index system, the network average efficiency calculation model, the task execution balance degree evaluation model and the elasticity evaluation model. According to the method, the deep reinforcement learning algorithm is introduced, the multi-dimensional situation information is collected, analyzed and predicted in real time, and the intelligent operation and maintenance decision-making efficiency of the cluster system can be effectively improved.
Owner:HANGZHOU INTERNATIONAL INNOVATION INSTITUTE OF BEIHANG UNIVERSITY
Photo shooting method, photo processing method, electronic device and storage medium
InactiveCN109873945AComprehensive perspectiveAccurate implementation of the shooting methodTelevision system detailsColor television detailsRADIUSEngineering
The embodiment of the invention relates to the field of data analysis, and discloses a photo shooting method, a photo processing method, an electronic device and a storage medium. The photo shooting method is applied to the shooting device, the shooting device comprises a camera and a sliding rail used for bearing the camera, the sliding rail is parallel to the horizontal plane, the rail is an annular rail or an arc rail, and the arc rail is formed by bending and extending from any end to the other end with a preset bending radius. The photo shooting method comprises the steps of after a shooting instruction is received, using a camera to shoot N photos, wherein N is a natural number larger than 1; wherein during shooting, the camera slides to the second position from the first position ofthe sliding rail. According to the embodiment of the invention, the display cost and the hardware requirement during display can be reduced on the basis of keeping the display effect as much as possible, so that the effect of taking pictures is enriched, and the interestingness is increased.
Owner:SHANGHAI YUDE COMM TECH
Security ring field knowledge graph construction and knowledge question answering method and device and electronic equipment
PendingCN119294509AComprehensive perspectiveRich solutionNatural language data processingKnowledge representationLinguistic modelEngineering
The invention relates to a knowledge graph construction and knowledge question-answering method and device in the security ring field and electronic equipment, and belongs to the technical field of computer large language models.The knowledge graph construction method comprises the steps that environment monitoring data and security monitoring data are analyzed based on a pre-trained complete large language model, and a knowledge graph is obtained; obtaining unstructured text data including an environment monitoring report and security risk assessment; entities, concepts and relations of the unstructured text data are extracted based on a large language model, and a knowledge system is preliminarily constructed; and sorting and classifying the knowledge system based on a preset category standard and a large language model to obtain a knowledge graph of general knowledge categories and professional customized knowledge categories. According to the invention, the technical problem that the prior art cannot meet the requirements of the security field for specialty and application scene pertinence is effectively solved.
Owner:WUHAN SURVEYING GEOTECHN RES INST OF MCC +1
A method and device for detecting malicious domain name clusters based on word vectors
ActiveCN113271292BEfficient identificationComprehensive perspectiveSemantic analysisCharacter and pattern recognitionDomain nameSemantic vector
The invention discloses a method and device for detecting malicious domain name clusters based on word vectors, including: generating the access sequence of each client through the original data in the server log; clustering the access sequence from the time dimension and the space dimension to generate the domain name Access sequence; de-duplicate access domain names for each domain name access sequence to generate domain name clusters; generate domain name semantic vectors for each access domain name; generate domain name semantic vector matrix through domain name clusters and domain name semantic vectors; analyze domain name clusters based on domain name semantic vector matrix Classify and obtain malicious domain name cluster detection results. The present invention can effectively identify domain name clusters that carry out the same malicious activity, provide a more comprehensive perspective for analyzing malicious activities, use less data fields, use less computing resources, improve detection efficiency, and can be effectively deployed in various enterprises or service providers In the network, there is no need for security personnel to manually adjust parameters, and the pre-trained model can run stably and effectively.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI
A meteorological data acquisition system for meteorological disaster warning
ActiveCN119027329Beasy to handleImprove processing efficiencyImage enhancementWeather condition predictionFeature vectorAtmospheric sciences
The invention discloses a meteorological data collection system for meteorological disaster warning, which belongs to the field of meteorological data technology, and specifically comprises: selecting a plurality of monitoring images of different severe convective weather events in a meteorological database, inputting the monitoring image set into a preset ResNet model, encoding into a public vector space, and outputting a monitoring image vector; collecting meteorological basic elements under current weather conditions, inputting the basic element set into a preset Transformer model, encoding into a public vector space, and outputting a basic element vector; calculating weather grade values of a plurality of monitoring image vectors that are closest to the current basic element vector, and if the variance of the grade values is greater than a preset threshold, adjusting the number of basic elements until the variance of the grade values is less than or equal to the preset threshold, and taking the average value of the grade values at this time as the severe convective weather grade of the warning; the invention simplifies the data processing flow of the meteorological warning.
Owner:FUJIAN METEOROLOGICAL DATA CENTER (FUJIAN METEOROLOGICAL OBSERVATION CENTER FUJIAN METEOROLOGICAL ARCHIVES)
A method for assessing the risk of damage to glass curtain walls of urban buildings
The present application relates to the technical field of urban building risk assessment, and specifically to a method for assessing the risk of damage to glass curtain walls of urban buildings. The present application firstly considers the influence of wind direction in simulating wind disasters in urban buildings, which can more objectively reflect the risk of regional wind disasters; then, when simulating flying objects, the three-dimensional characteristics of the urban space wind field are fully considered to ensure the accuracy of the glass curtain wall impact scenario; then, by constructing a database of building glass curtain wall collision scenarios, the risk of glass curtain wall damage is analyzed. That is, the present application realizes the accurate prediction and real-time assessment of the risk of damage to glass curtain walls in target urban building complexes through means such as refined data collection, three-dimensional model construction, physical process simulation, and probability analysis, providing strong support for the prevention and control of urban wind-induced disasters.
Owner:HEFEI UNIV OF TECH
Cultural and creative product display stand with rotating function
The utility model discloses a cultural and creative product display stand with a rotating function, which comprises a base, a rotating cabinet assembly is arranged on the outer surface of a supporting column, the rotating cabinet assembly comprises a first rotating cabinet, a groove is formed in the outer surface of the upper side of the first rotating cabinet, and a first connecting column is fixedly mounted on the outer surface of the lower side of the first rotating cabinet; a first universal wheel is fixedly installed on the outer surface of the lower end of the first connecting column, a second rotating cabinet is arranged on one side of the first rotating cabinet, a second connecting column is fixedly installed on the outer surface of the lower side of the second rotating cabinet, and a second universal wheel is fixedly installed on the outer surface of the lower end of the second connecting column. The first rotating cabinet and the second rotating cabinet can be driven to rotate on the outer surface of the supporting column by pushing the first rotating cabinet and the second rotating cabinet, by means of the structure, the direction of the display stand can be adjusted, the flexibility and practicability of the device are greatly improved, and therefore audiences can better know products.
Owner:HUBEI DIANMEI TECHNOLOGY CO LTD
Electrical engineering security monitoring device
ActiveCN222339476Uquick installationquick disassemblyClosed circuit television systemsStands/trestlesControl engineeringConstruction engineering
The utility model discloses an electrical engineering security monitoring device, and specifically relates to the electrical engineering field, the electrical engineering security monitoring device comprises a monitoring protection shell, the monitoring protection shell is internally provided with a quick release structure, the quick release structure comprises a monitoring camera arranged in the monitoring protection shell in a sliding manner, the two sides of the monitoring camera are both fixedly provided with installation sliding blocks, and the installation sliding blocks are arranged in the monitoring protection shell. And first magnetic attraction blocks are fixedly arranged on the rear end faces of the two mounting sliding blocks correspondingly, and mounting sliding grooves are formed in the two sides in the monitoring protection shell correspondingly. According to the utility model, the mounting and dismounting processes of the monitoring camera are more convenient and quicker, the convenience of single-person operation is realized, the traditional mounting and dismounting generally need to be completed by cooperation of multiple persons, and the mounting can be completed by only one mounting worker by using the quick mounting and dismounting design.
Owner:HULUDAO AOWEI TECH CO LTD
A method and system for real-time water regime forecasting
ActiveCN119028113BImprove timelinessHigh precisionMathematical modelsDesign optimisation/simulationHydrometryExtreme weather
The present invention relates to the technical field of real-time water situation forecasting, and in particular to a method and system for real-time water situation forecasting. The method comprises the following steps: acquiring real-time hydrological data; performing real-time hydrological data analysis based on the real-time hydrological data to obtain real-time hydrological analysis data; constructing a water situation forecasting model based on the real-time hydrological analysis data to obtain a water situation forecasting model; generating hydrological warning data based on the water situation forecasting model to obtain hydrological warning data to perform real-time water situation forecasting operations. The present invention can not only capture hydrological changes in real time, but also dynamically respond to the influence of meteorological conditions and complex water flow paths, generate high-precision warning data, effectively help decision makers deal with flood risks, and significantly improve the accuracy, real-time and adaptability of water situation forecasting, especially when dealing with sudden floods or extreme weather events.
Owner:HEBEI PROVINCE TANGSHAN HYDROLOGICAL SURVEY RES CENT (HEBEI PROVINCE TANGSHAN WATER BALANCE TESTING CENT)
Unmanned aerial vehicle laser radar remote sensing equipment for cotton field and data acquisition method
PendingCN119471720Aachieve acquisitionreduce intrusionImage enhancementAircraft componentsRadar remote sensingUncrewed vehicle
The invention discloses an unmanned aerial vehicle laser radar remote sensing device for a cotton field and a data acquisition method.The device comprises an unmanned aerial vehicle, a laser radar, a loading mechanism, a radar micro-host and a ground control module, and the loading mechanism comprises a supporting column, a lower supporting plate and an upper supporting plate; the upper end of the supporting column is connected with the unmanned aerial vehicle through the connecting ring, the lower end of the supporting column is connected with the lower supporting plate through the base, the upper supporting plate is installed in the middle of the lower supporting plate, the laser radar is installed on the radar sleeve, and the radar sleeve is installed on the upper supporting plate through the holder. The laser radar is connected with the radar micro host; the ground control module is connected with the radar micro host. According to the method, more comprehensive and abundant cotton phenotype information can be provided, the method is of great significance to scientific management such as cotton growth monitoring, yield estimation and precise pesticide spraying, invasion to crops is reduced, and flexible collection is achieved.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY
Real-time early warning method for stampede accidents in urban public space based on mobile phone positioning data
The invention discloses an urban public space stampede accident real-time early warning method based on mobile phone positioning data, and belongs to the technical field of urban accident early warning. Collection processing is performed on real-time data of mobile phone base stations within the range of urban public space, flow density of the urban public space is obtained by calculation through the steps of data cleaning, space connection, data mapping and reallocation of the number of mobile phone users based on space area, and an early warning or alarm signal is emitted timely. The processing method is simple and practicable and convenient for real-time monitoring of the crowd density of the urban public space so that the stampede accident caused by local overpopulation of the urban public space can be avoided. With application of the method, early warning of the stampede accident of the urban public space can be performed in real time and related personnel can be timely prompted to start emergency measures so that the method has the actual social application value and can reduce the harm caused by the stampede accident.
Owner:SOUTHEAST UNIV
A method for checking initial readings of wind tunnel measuring equipment
InactiveCN104111157BIn-depth and comprehensive inspectionComprehensive perspectiveAerodynamic testingFrequency spectrumPeak value
The invention discloses a method for examining initial readings of a wind tunnel measurement instrument. The method includes the steps of continuously collecting the initial readings of the measurement instrument for 10 seconds at sampling frequency of 200Hz to 500Hz before a wind tunnel test; calculating the collected initial readings to respectively obtain characteristic values, such as an amplitude-frequency characteristic, a mean value, a peak-to-peak value and a corresponding physical quantity, of each measurement instrument initial reading signal; subjecting the current characteristic values of each measurement instrument initial reading signal and characteristic values and property indexes of the normal instrument to comparative analysis to achieve the purpose of examining and conforming work states of the measurement instrument. When the method is used for examining the initial readings of the wind tunnel measurement instrument, the sampling frequency of the initial readings reaches up to 200Hz to 500Hz, the data size is large, and much information is carried; during comparative analysis, a signal frequency spectrum characteristic, the peak-to-peak value, the corresponding physical quantity, the current values and the like are extracted from a large number of data for analysis, so that examination of the initial readings is more thorough and comprehensive.
Owner:INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
Electronic information industry big data platform and data mining method
PendingCN119202024Aovercome limitationsComprehensive perspectiveData miningSpecial data processing applicationsAnalysis dataMetadata management
The invention discloses an electronic information industry big data platform and a data mining method in the technical field of electronic information. The big data platform comprises a metadata management module, a data directory management module, a data acquisition management module, a data cleaning and preprocessing module, a data modeling module, a model calculation and optimization module and a result application module. The data mining method comprises the steps of business metadata collection, data cleaning and preprocessing, data model establishment, model training and parameter optimization, and result analysis. According to the scheme, by collecting and updating data in real time, the limitation of data static display in the prior art is overcome, transverse correlation analysis of upstream and downstream of an industrial chain is achieved through the data directory management and data modeling module, the data application depth is improved through the data mining module, the data modeling module achieves comprehensive evaluation of the comprehensive capacity of an enterprise, and the enterprise comprehensive capacity is comprehensively evaluated. According to the scheme, multiple advanced data mining algorithms are adopted, and the accuracy and efficiency of data modeling are improved.
Owner:CHENGYU (CHENGDU) INFORMATION & COMMUNICATIONS RESEARCH INSTITUTE CO LTD
Five-lens oblique camera TDOM shielding area repairing method
PendingCN113658082AImprove visual effectsResolve image inpainting blurImage enhancementImage analysisComputer graphics (images)Algorithm
According to the invention, a five-lens oblique camera is adopted to make a TDOM, and a new idea and a new method for texture repair of a sheltered area are provided. The method comprises the following steps: 1, analyzing a sheltering phenomenon on an image and the influence of a flight height and a baseline on the sheltered area; 2, solving exterior orientation elements of the image by adopting INPHO software in combination with the POS value of the image; 4, manually measuring and extracting building corner data in combination with exterior orientation elements of the images; 4, performing texture repair on the relative occlusion area by adopting an inclined image correction algorithm: selecting a downward-looking image after occlusion detection and correction as a main image, selecting an inclined image as an auxiliary image, and selecting a corresponding visible pixel to perform texture repair on the relative occlusion area by utilizing a nearest site rule; and 5, carrying out texture repair on the absolutely shielded area which is not repaired by using model-driven image repair, solving the problems of image repair blurring and unclear building boundary, and finally obtaining a TDOM image with a good visual effect.
Owner:李蕊男
Online monitoring equipment
InactiveCN108133566ASolve the trouble of inconvenient electricity connectionAlarm in timeAlarmsEngineering
Owner:GUANGZHOU ZHONGYUAN NETWORK TECH CO LTD
Non-contact epidemic prevention on-duty security terminal equipment
InactiveCN111441286AComprehensive perspectiveFacilitate disease preventionRespiratory organ evaluationSensorsGuard - securityTerminal equipment
The invention discloses non-contact type epidemic prevention on-duty security terminal equipment. The equipment comprises a tabulate combination board and a platform board, the combination plate and the platform plate are both of a rectangular structure, and the combination plate and the platform plate are horizontally arranged. When a person passing through a gate stands on the platform plate, the person can stand in the groove of a downwards-concave tempered glass supporting channel, at the moment, detection personnel can stand below the concave tempered glass supporting channel to observe the personnel passing through the gate. The concave toughened glass support channel is integrally positioned below the platform plate, so a more comprehensive visual angle can be provided for the detection personnel, the gate passage personnel can be observed and detected on the premise of higher safety, subsequent disease prevention is facilitated, and meanwhile, compared with a traditional flat window structure, the overall observation effect is better.
Owner:SHAOXING ENK VISION COMM TECH CO LTD