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88 results about "Temporal models" patented technology

Probabilistic matching for dialog state tracking with limited training data

A system and method for dialog state tracking employ an ontology in which a set of values are indexed by slot. A segment of a dialog is processed to detect mentions. Candidate slot values are extracted from the ontology, based on the detected mentions. The candidate slot values are ranked. A dialog state is updated, based on the ranking of the candidate slot values, which may be conditioned on the output of a temporal model, which predicts whether the value of the slot has been instantiated, modified, or is unchanged.
Owner:CONDUENT BUSINESS SERVICES LLC

SPH (smoothed particle hydrodynamics) algorithm-based simulation method and simulation system of process of breaking dam by flood

The invention provides an SPH (smoothed particle hydrodynamics) algorithm-based simulation method and an SPH (smoothed particle hydrodynamics) algorithm-based simulation system of the process of breaking dam by flood. The simulation method comprises the following steps: A. acquiring on-site geographic spatial information data; B. establishing a dynamical model of the process of breaking dam by flood based on the geographic spatial information data obtained in the step A; C. establishing a geographic entity model according to the geographic spatial information data obtained in the step A; D. analyzing the dynamical model obtained in the step B into an SPH calculation method; E. initializing the geographic entity model obtained in the step C to be hydrodynamics particles and boundary particles for the SPH calculation; F. circularly calculating based on the SPH algorithm; G. carrying out the spatial-temporal process modeling on the calculated value result obtained in the step F to obtain a 3D spatial-temporal model and a database of the process of breaking the dam by flood; and H. dynamically visualizing the 3D spatial-temporal model and the database of the process of breaking dam by flood obtained in the step G. By using the SPH method in the geographic process simulation, the authenticity of the simulation result is effectively improved.
Owner:自然资源部国土卫星遥感应用中心

Image-based vehicle occupant classification system

InactiveUS20060209072A1Useful for ClassificationVehicle seatsImage enhancementBayesian networkImage generation
A system and method for processing acquired images to develop useful classifications of subjects such as occupants of a vehicle preferably employs a hierarchical and probabilistic structure, such as a Bayesian Network to analyze acquired images and produce a meaningful classification. The structure preferably includes set of analyzers, a set of Scenario analyzers and a set of Temporal models which are arranged in three respective hierarchical layers. Each respective analyzer operates on the acquired image and, in some circumstances, feedback from the Scenario analyzers, to produce an output representing the probability that a feature that the respective analyzer is concerned with is present in the acquired image. Each respective Scenario analyzer receives output probabilities from at least one of the analyzers and, in some circumstances, feedback from the Temporal Models, to produce an output indicating the probability that a scenario that the respective Scenario analyzer is concerned with, is the scenario captured in the acquired image. Each respective Scenario analyzer can also provide feedback inputs to one or more analyzers to alter their operation. Finally, each respective Temporal Model receives and operates on the output from at least one Scenario analyzer to produce a probability that a classification with which the Temporal Model is concerned is represented by the acquired image. Each respective Temporal Model can also provide feedback inputs to one or more Scenario analyzers to alter their operation. The structure processes the classification probabilities output from the Temporal Models to produce a classification for the acquired image.
Owner:MAGNA INTERNATIONAL INC

Smart power grid line loss detection method and system

The invention discloses a smart power grid line loss detection method and system. The smart power grid line loss detection method includes the steps of obtaining monitoring data of a smart power grid, classifying monitoring values according to serial numbers of monitoring devices to obtain a plurality of monitoring sets, extracting the monitoring values within corresponding set time periods in the monitoring sets through a time coordination mechanism according to sampling time of the monitoring values, computing and outputting line loss values corresponding to the monitoring sets according to the monitoring values within the corresponding set time periods in the monitoring sets and a preset spatial-temporal model, enabling the lowest common multiples of sampling periods corresponding to all the monitoring values in the corresponding monitoring sets to serve as duration of the set time periods to extract the monitoring values, and synchronously computing the line losses through the extracted monitoring values within the same set time periods to guarantee the computing accuracy. The monitoring data of the smart power grid are obtained, coherent processing is carried out on the monitoring data, then the line losses are computed, the practical line loss condition can be truly reflected, and compared with a traditional smart power grid line loss detection method, the computing accuracy is improved, and the detection error is reduced.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Techniques for extraction and valuation of proficiencies for gap detection and remediation

Gaps in proficiencies may be identified within an enterprise. Understanding gaps in the existing workforce may help inform training, hiring, and firing decisions to ensure successful completion of the upcoming projects and deadlines. Using a multi-level model for each proficiency that accounts for enterprise needs as well as hiring, retraining, and the like, a relationship between proficiencies, projects, and employees over time may be generated as a multi-dimensional temporal model. The temporal model may be simulated to forecast gaps in proficiencies of the employed workforce. Recommendations regarding retraining, hiring, and termination can be made to help users remedy the deficiencies. Additionally, the proficiencies most valuable to the enterprise may be determined using a catalog of proficiencies to cluster the proficiencies into proficiency clusters for each job or job category and the proficiencies scored. Employees and candidates may be scored using the clusters to inform hiring, firing, and retraining decisions.
Owner:ORACLE INT CORP

Method, system, device and storage medium for establishing composition model

The invention discloses a method, a system, a computer device and a storage medium for establishing a composition model. The method comprises the following steps: obtaining a music data set of a MIDIformat and converting the music data set of the MIDI format into a piano key axis; and converting the music data set of the MIDI format into a piano key axis; cleaning up the data of piano key axis after format conversion; establishing the interference track model and the composing track model by using the generated countermeasure network, and establishing the mixed track model by combining the interference track model and the composing track model; dividing the generator into a time structure generator Gtemp and a music bar generator Gbar, and constructing the temporal correlation between themusic bars to form a temporal model by the time structure generator Gtemp and the music bar generator Gbar; combining the hybrid track model and the time model to form a multi-track symphony composition model. The above composing method satisfies people's requirements for diversification of musical changes and is natural.
Owner:PING AN TECH (SHENZHEN) CO LTD

Method and system for uniformly managing AI models based on distributed file system

ActiveCN110765077AAvoid large loading slowDifficult-to-convert problems for evadersFile access structuresSpecial data processing applicationsDatasheetData ingestion
The invention discloses a method and system for unified management of AI models based on a distributed file system. Based on the distributed file system, a model iteration management module is additionally arranged to extract preset model file information; wherein the model file information comprises information such as a model name, a model version, model creation time, whether a model is onlinepublic and whether the model is dirty, an AI model record is newly added in the metadata table, and the model is stored in a model warehouse according to a preset model storage path to construct an AImodel management system formed by combining the metadata table and the model warehouse. The newly-added model reading module analyzes data input by a user, extracts model information, matches the model information with records in a metadata table, extracts metadata items in the table, checks whether a model is online or not, and if the model is online, extracts complete target model information including a dirty model state from nodes of the distributed file system according to metadata and returns the complete target model information to the user. A user can use the model in real time and can also optimize the model and upload the model again to facilitate optimization and updating of the model.
Owner:中电福富信息科技有限公司 +1

Position transition prediction method based on job trajectory data

The invention discloses a position transition prediction method based on job trajectory data. Influencing factors of user position transition are discovered and the prediction method for the user position transition is researched on a model for analyzing the user position transition. The method comprises the steps of extracting resumes from a database and obtaining history job trajectory data of users; discovering user position transition spatial and temporal characteristics by carrying out statistics, classification and analysis on massive user job trajectory data, and establishing a user position transition spatial and temporal model; extracting and quantifying the influencing factors of the user position transition from the user position transition spatial and temporal model; training a position transition prediction model through a decision tree algorithm through combination of the position transition data of the users according to definition and quantification of the influencing factors of the user position transition; and on the basis of the position transition prediction model obtained in the S4, predicting the positions after the user position transition according to the current positions of the users. According to the method, the influencing factors of the user position transition are taken into full consideration, and the transition accuracy is predicted well.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Method for predicting travel time using spatio-temporal model and apparatus thereof

According to the present invention, a method for a travel time predicting apparatus to predict a travel time by using a travel time prediction model, including generating a first prediction model for prediction of a travel time of a vehicle that will pass through a specific area by using first traffic data that are related to a travel speed at the specific area; generating a second prediction model by modifying the first prediction model that relates to the travel speed at the specific area and is different from the first traffic data; and predicting a travel time of the vehicle that will pass through the specific area by using the second prediction model can be provided so that a travel time at which a specific vehicle passes a specific area can be more precisely predicted compared to a conventional art and predicted travel time information can be promptly and precisely provided to the user.
Owner:ELECTRONICS & TELECOMM RES INST

Industrial robot stop motion trajectory planning method

The invention discloses an industrial robot stop motion trajectory planning method. According to the method, stop planning is carried out directly for a joint position finally output in each interpolation period, delay from a trajectory interpolation layer to a joint position output layer is avoided, and response is rapider and more timely. Discrete interpolation output joint positions are storedand added with time information at the same time, a cubic spline model is used for converting discrete joint position information into continuous information in a time domain, then a time scaling method is used for stopping planning, it is guaranteed that data output in each period in the stopping process still come from the joint position output through trajectory interpolation, and then it is guaranteed that there is no trajectory deviation in the stopping process. Meanwhile, a simplified quintic polynomial is adopted to plan time, a model is simple, the calculated amount is small, and continuous, smooth and impact-free operation of the whole stop process is guaranteed through the high-order trajectory planning method.
Owner:NANJING ESTUN ROBOTICS CO LTD

Runge-Kutta type periodic rhythm neural network method capable of resisting periodic noise

ActiveCN110000780ASuppress noiseEliminate the effects of motion planningProgramme-controlled manipulatorRunge–Kutta methodRunge–Kutta methods
The invention discloses a Runge-Kutta type periodic rhythm neural network method capable of resisting periodic noise. The Runge-Kutta type periodic rhythm neural network method comprises the followingsteps that a tail end task is given; inverse kinematics analysis is conducted on the track of a mechanical arm through doble-infex quadric form optimization, so that a quadric form optimization scheme of the weight sum and indicator of the minimum torque and the angular deflection two-norm square of the mechanical arm is converted into a standard quadratic programming problem; the Karush-Kuhn-Tucker optimality condition is solved through a continuous time periodic rhythm neural network, so that a continuous time model is obtained; a discrete periodic rhythm neural network is obtained througha Runge-Kutta method, and a discrete solution of an original quadratic programming problem is obtained through the neural network; and finally, a result is transmitted to a mechanical arm controller,and the mechanical arm is driven to trace the track. The discrete periodic rhythm neural network designed through the method has the capability of inhibiting the periodic noise in the network model; in addition, the influence of an initial error of the mechanical arm on the motion programming can be eliminated; and motion of the mechanism arm is programmed successfully.
Owner:SOUTH CHINA UNIV OF TECH +1
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