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391 results about "Sequence modeling" patented technology

Composite structure damage form monitoring method and system based on deep learning

The invention discloses a composite structure damage form monitoring method and system based on deep learning, and the method comprises the following steps: collecting multi-source monitoring data of a composite structure in a loaded state, and carrying out the preprocessing; reconstructing a damage evolution trajectory in a high-dimensional phase space by adopting a delay coordinate embedding method, and executing dimension reduction to generate a chaotic dynamics low-dimensional trajectory; extracting singular attractor features, and generating a singular attractor feature set; carrying out sequence modeling through an improved Linformer damage identification network, and generating a prediction vector; training an improved Linformer damage identification network based on the prediction vector, and introducing nonlinear dynamic constraints to generate a damage identification network of the nonlinear dynamic constraints; and performing damage form classification and damage evolution prediction. According to the method, dynamics and deep learning are fused, composite structure damage monitoring is achieved, and the method has the advantages of being high in accuracy, high in stability and reliable in early warning.
Owner:CHENGDU XIJIAO RAIL TRANSIT EQUIP TECH CO LTD

Writing brush calligraphy practice correction system based on real-time handwriting analysis

The invention discloses a writing brush calligraphy practice correction system based on real-time handwriting analysis. The system comprises a sensing layer used for collecting handwriting tracks, physiological signals, environmental parameters and ink mark characteristics; the edge calculation layer is used for executing noise filtering, coordinate system normalization, multi-modal data alignment and feature primary extraction through an Apache Kafka data pipeline; and the algorithm analysis layer is used for carrying out super-long calligraphy stroke sequence modeling by adopting an S4 architecture time sequence model, introducing a Neural ODE module for modeling, capturing dynamic characteristics in a continuous pen wielding process, constructing a multi-physics-field coupled PINN framework, constraining neural network prediction through a physical loss function, deploying a dual-stage characteristic extractor to extract high-order characteristics, and extracting the high-order characteristics. Book style features are extracted, and the current practicing book of the user is classified in real time; the intelligent correction layer is used for generating a dynamic correction suggestion, constructing a personalized learning path, realizing self-adaptive scoring and providing aesthetic dimension feedback at the same time; and the user interaction layer is used for providing an AR correction interface.
Owner:SICHUAN SANHE VOCATIONAL COLLEGE

Electric power system safety early warning method and system based on multi-mode cooperation

The invention discloses an electric power system safety early warning method and system based on multi-modal cooperation, and relates to the technical field of electric power system safety early warning, and the method comprises the steps: collecting multi-source operation data, carrying out the preprocessing, carrying out the multi-modal feature extraction and fusion based on the preprocessed data, and carrying out the multi-modal feature extraction and fusion. Inputting an edge detection model and outputting an abnormal confidence score in combination with an attention mechanism; and performing alarm grading according to the abnormal confidence score, constructing a causal diagram for alarms with high risk levels in combination with associated security events, and performing future attack path prediction by adopting a time sequence diagram neural network. According to the method, multi-scale convolution and a channel attention mechanism are fused, the extraction capability of the multi-source data time sequence features of the power system is enhanced, the anomaly detection precision is improved, dynamic attack path prediction is realized in combination with RMTPP and causal atlas topological constraints, sequence modeling is enhanced through self-attention and position coding, and the detection accuracy is improved. And the perspectiveness and the reliability of the safety early warning of the power system are obviously enhanced.
Owner:INFORMATION & COMM CO OF STATE GRID XINJIANG ELECTRIC POWER CO LTD

Freezer multi-sensor heterogeneous data fusion method based on artificial intelligence

The invention discloses a refrigerated cabinet multi-sensor heterogeneous data fusion method based on artificial intelligence, and the method comprises the following steps: collecting multi-source heterogeneous data in the operation process of a refrigerated cabinet, and constructing a unified event time axis; preprocessing the multi-modal data, and generating a physical enhanced multi-modal tensor in combination with a heat-airflow-electricity model; constructing a disturbance activation vector and a modal mask pattern, and embedding the disturbance activation vector and the modal mask pattern into a multi-modal tensor; inputting the disturbance enhanced input data into an improved Tide model to perform long sequence modeling, and outputting a state prediction sequence; performing prediction residual analysis, constructing a dynamic anomaly scoring function, and fusing a disturbance activation vector and a modal mask graph to generate an anomaly type mark and confidence fusion state representation; sparse gradient uploading, parameter aggregation and structure synchronization are carried out among multiple devices by adopting a federal training framework. According to the method, the multi-modal data fusion precision and the anomaly recognition reliability of the refrigerated cabinet can be improved, and cross-equipment collaborative intelligent optimization is realized.
Owner:SHAANXI JIZHI FUTURE TECHNOLOGY CO LTD

System for delivering personalized motivational content using biometric signals

A system for the real-time delivery of personalized motivational content based on biometric information; the system includes: a biometric acquisition module configured to capture a variety of physiological signals from a user, wherein the physiological signals include at least heart rate variability, electrodermal activity, facial expressions and electroencephalographic (EEG) signals; a preprocessing module that is operationally coupled with the biometric acquisition module, wherein the preprocessing module is configured to remove noise, normalize and extract signal features from the physiological signals in real time; a multimodal biometric fusion engine configured to temporally align and synchronize the extracted features across signal modalities using dynamic time distortion and confidence-weighted interpolation; a motivational state inference model with a hybrid neural architecture comprising a Convolutional Neural Network (CNN) for spatial pattern recognition and a Recurrent Neural Network (RNN) for temporal sequence modeling, wherein the inference model is configured to output a motivational input score and an affective state classification; an engine for recommending motivational content, configured to select and prioritize content from a content repository based on motivational uptake score, user profile metadata, contextual signals including time of day and geolocation, and historical content effectiveness profiles; and a content delivery subsystem comprising one or more output modalities selected from an acoustic actuator, a visual display, a haptic actuator or an environmental controller, wherein the content delivery subsystem is capable of presenting the selected motivational content in a modality that is dynamically adapted to the user's current psychophysiological state.
Owner:1XL LLC FZ +3

Power grid photovoltaic output and load sequence modeling method, system and device and storage medium

The invention discloses a power grid photovoltaic output and load sequence modeling method, system and device and a storage medium, and the method comprises the steps: comprehensively utilizing the multi-scale feature extraction capability of a time-frequency decomposition technology, the time sequence dependence modeling capability of a long and short-term memory network, and the global hyper-parameter optimization capability of a Bayesian optimization algorithm; and carrying out collaborative modeling and prediction on the photovoltaic output and the power load under a unified framework. By introducing a source load time-delay correlation analysis and probability interval construction mechanism, point prediction results and uncertainty intervals of photovoltaic, load and net load can be output at the same time, and a set of source load integrated prediction system with high prediction precision, strong robustness and reliable interval characterization capability is constructed. The method can improve the precision and reliability of photovoltaic power and load prediction, also can reduce the risk in power system scheduling, optimizes the energy storage configuration strategy, and especially has wide popularization potential and application prospects in the scenes of new energy grid-connected operation, intelligent micro-grid and virtual power plant management and the like.
Owner:YUNNAN POWER GRID CO LTD

Subway key component fault detection method and system based on AI visual large model

The invention relates to the technical field of artificial intelligence and computer vision, discloses a subway key component fault detection method and system based on an AI visual large model, and aims to solve the problems of low detection precision, weak generalization ability, insufficient multi-mode understanding, poor real-time performance and lack of state evolution modeling in the prior art. The method comprises the following steps: acquiring images of key components through a multi-view industrial camera array, and performing distortion correction, illumination normalization and noise suppression; a pre-trained visual large model is utilized to extract deep space features, and modeling is carried out on a continuous frame feature sequence through bidirectional LSTM to capture a time sequence change trend. By introducing the large-scale visual large model and spatio-temporal joint modeling, the identification capability of tiny defects is improved, the discrimination stability is enhanced, high-precision and low-delay automatic detection is realized, the false alarm rate and the omission ratio are remarkably reduced, and the detection efficiency and the system maintainability are improved.
Owner:GUANGDONG HUANENG ELECTROMECHANICAL GRP CO LTD

Method for predicting residual service life of industrial equipment based on DMM-JA model

The invention provides an industrial equipment residual service life prediction method based on a DMM-JA model, and relates to the technical field of industrial equipment predictive maintenance, and the DMM-JA model comprises a dynamic bimodal fusion and multi-scale feature extraction module DBF-MSFEModule, an LSTM-Mama mixed sequence modeling module, a jump perception attention module and an output layer. The method comprises the following steps: preprocessing bimodal sensing data of industrial equipment; the preprocessed bimodal sensing data is processed through a dynamic bimodal fusion and multi-scale feature extraction module DBF-MSFEModule, and multi-scale fusion features are obtained; the multi-scale fusion features are input into an LSTM-Mamba mixed sequence modeling module, and joint time sequence features are obtained; the joint time sequence features are corrected through a jump perception attention module, and robustness features are obtained; and inputting the robustness characteristics into an output layer to obtain an RUL prediction result of the industrial equipment. Key features in the equipment degradation process can be accurately captured, and the accuracy of residual service life prediction is improved.
Owner:JIANGSU HAOHAN INFORMATION TECH

Mixed Mamb-Attention air quality prediction model based on multi-scale decomposition and construction method thereof

The invention discloses a mixed Mamb-Attention air quality prediction model based on multi-scale decomposition and a construction method of the mixed Mamb-Attention air quality prediction model. The method comprises the following steps: firstly, constructing a multi-scale decomposition module (MSD), decomposing an input time sequence into a trend term, a season term and a residual term through a parallel sliding window group, and realizing cross-scale feature fusion by utilizing group normalization and convolution; then designing a periodic pyramid module, extracting multi-level periodic features based on fast Fourier transform (FFT), and enhancing the perception ability of the model to different time scale periodic laws; the Mama branch is used for capturing long-range dependence, the self-attention branch is used for extracting a local dynamic mode, and the output of the Mama branch and the output of the self-attention branch are fused through residual connection and layer normalization; and finally, the prediction head module completes feature aggregation and result output. The model gives consideration to long sequence modeling capability and calculation efficiency, can accurately capture multi-scale dynamic change and non-stationary features in air quality data, improves the precision and stability of air quality prediction, and has good practical value and popularization prospect.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Sleep classification method and system based on time-frequency combination

The invention discloses a sleep classification method and system based on time-frequency combination, and belongs to the technical field of biomedical signal processing and artificial intelligence. In order to solve the problems that an existing method is high in manual dependence, insufficient in time-frequency feature fusion and low in long-time-sequence modeling efficiency, sleep stage classification is carried out mainly through automatic time-frequency feature extraction, a dynamic attention mechanism with memory enhancement and a lightweight multi-branch neural network structure. According to the method, efficient modeling and accurate classification of the multi-scale electroencephalogram signals can be achieved, the deep sleep recognition capability and the overall classification accuracy are improved, meanwhile, the model parameter quantity and the reasoning delay are remarkably reduced, and good real-time performance and clinical applicability are achieved.
Owner:INST OF SOFTWARE - CHINESE ACAD OF SCI +1

Intelligent medical multi-round dialogue diagnosis reasoning method and system based on deep learning

The invention provides an intelligent medical multi-round dialogue diagnosis reasoning method and system based on deep learning, and relates to the technical field of deep learning, and the method comprises the steps: constructing time sequence features through employing an attention mechanism for time sequence symptom description, and carrying out bidirectional sequence modeling to generate comprehensive symptom features; using the medical knowledge graph to detect logic contradictions and information loss to generate standardized features; calculating information gain of an inquiry direction based on a deep neural network to generate optimal inquiry content; and iteratively updating according to user feedback until the diagnosis information entropy is lower than a threshold value, and outputting a diagnosis result. According to the invention, the accuracy and efficiency of medical diagnosis are improved.
Owner:BEIJING DEKANG NEW CLOUD SECURITY TECH CO LTD

Mama network solenoid valve fault diagnosis method based on frequency domain characteristics

According to the Mama network solenoid valve fault diagnosis method based on the frequency domain characteristics, the problem of solenoid valve system fault diagnosis can be solved. According to the method, a pneumatic solenoid valve fault data set is constructed by collecting operation signals such as voltage and current, and multi-scale frequency domain features of the signals are extracted by adopting Wavelet Packet Transform (WPT) and Discrete Fourier Transform (DFT). WPT-DFT preprocessing features are embedded into an improved channel-space joint attention mechanism module, and the improved channel-space joint attention mechanism module is combined with a Mamba network with extremely high sequence modeling capability to construct an end-to-end fault diagnosis model. Compared with a traditional convolutional neural network, the method can more effectively capture deep dynamic features in a time sequence and highlight a key frequency region, and experimental results show that the method has higher diagnosis precision and generalization ability and is suitable for intelligent detection of the electromagnetic valve under complex working conditions.
Owner:SHENZHEN TECH UNIV

Small-sample high-density chicken counting framework based on deep learning Mama structure

The invention relates to the technical field of intelligent agriculture and computer vision, in particular to a small-sample high-density chicken counting framework based on a deep learning Mamba structure, which comprises a feature extraction network, a support-query enhancement module and a decoder. According to the method, a multi-scale feature extraction network based on a residual block (ResNet Block) is introduced, so that local detail information is effectively reserved; and then, a support-query enhancement module is constructed by introducing a Mamba structure, and context interaction between support features and query features is effectively enhanced by utilizing the long sequence modeling capability of linear complexity of the support-query enhancement module, so that the problems of individual overlapping and boundary fuzziness in a high-density chicken flock scene are solved. Experimental results on a PoultryCount real breeding data set show that the mean absolute error (MAE) and the root-mean-square error (RMSE) of the method are reduced compared with those of an existing method, and the chicken counting precision and generalization ability under the condition of a small number of labeled samples are remarkably improved.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Image segmentation method and system fusing sequence modeling and multi-scale attention mechanism

The invention discloses an image segmentation method and system fusing sequence modeling and a multi-scale attention mechanism, and relates to the field of computer vision, and the method comprises the steps: carrying out the extraction of multi-scale detail and space information through an encoder based on a multi-scale convolution residual fusion module, and gradually carrying out the downsampling to increase a receptive field; performing multi-scale and global context feature extraction and coding based on a multi-scale context global modeling module through a bridging layer; and through a decoder, encoder features are fused based on up-sampling, convolution and a double-guide gating fusion module, so that recovery and refinement of high-resolution semantic features are realized, and an image segmentation result of fusion sequence modeling and a multi-scale attention mechanism is obtained. According to the method, the multi-scale features are fully extracted and fused, the context sensing capability is enhanced by using sequence modeling, the features of the encoder and the decoder are dynamically fused through a gating mechanism, the segmentation precision and the edge detail performance are improved, and the problem that the model performance and generalization capability are limited in the prior art is solved.
Owner:CHONGQING UNIV OF EDUCATION

Real-time early warning system for analyzing abnormal behaviors of prison prisoners based on behavior sequence

The invention discloses a real-time early warning system for analyzing abnormal behaviors of prison prisoners based on a behavior sequence, and relates to the field of real-time early warning, and the system comprises a data collection module which is used for collecting and obtaining structured data and unstructured data in a prison area; the behavior sequence extraction module generates a feature vector of a behavior atomic unit through three-dimensional convolution spatial-temporal feature extraction, and obtains a behavior vector through feature fusion; the behavior sequence modeling module constructs a behavior sequence through a double-flow LSTM architecture; the anomaly detection module calculates the KL divergence of the behavior codes and a hidden Markov model baseline by constructing the hidden Markov model baseline, and outputs anomaly probability distribution; and the grading early warning module performs grading early warning based on the output abnormal probability distribution. The method has the advantages that by fusing multi-source data and a deep learning technology, the behavior sequence of the prisoner is analyzed in real time, intelligent early warning is performed, the supervision efficiency and safety are remarkably improved, and conversion from passive monitoring to active intervention is realized.
Owner:CHONGQING POLICE VOCATIONAL COLLEGE

Remote sensing image change detection method based on task-driven Mamba joint model

The invention discloses a remote sensing image change detection method based on a task-driven Mama joint model. The method comprises the following steps: acquiring double-time remote sensing image groups of different time phases at the same place through a public data set; end-to-end change detection is realized by designing a task-decoupled remote sensing image change detection network model of a U-shaped three-layer network architecture, and a dual-time remote sensing image group can obtain a binary change graph with change characteristics in an image through the network model; the network model comprises three core modules: a time-phase interactive Mama module extracts double-time-phase feature maps of three scales through multi-stage down-sampling, and a time-phase interactive Mama module extracts double-time-phase feature maps of three scales through multi-stage down-sampling; an edge focusing Mamba difference module independently captures a time phase characteristic difference at each scale to generate a multi-scale difference characteristic graph; and the double-attention Mama reconstruction module fuses the time phase features and the feedback information of the AFF module, and reconstructs a three-scale double-detail change feature graph group. According to the method, the long sequence modeling capability of Mamba is utilized, so that the remote sensing image change detection precision and the edge detail retention effect are remarkably improved.
Owner:DALIAN MARITIME UNIVERSITY

Hyperspectral rice grain waxiness discrimination method based on multi-branch collaborative modeling

Aiming at the problems of low efficiency, strong subjectivity, insufficient modeling ability, complex hyperspectral data noise, weak waxiness spectrum difference and the like of a traditional rice grain waxiness discrimination method, the invention provides a hyperspectral rice grain waxiness discrimination method based on multi-branch collaborative modeling. The method comprises the following steps: S1, acquiring glutinous and non-glutinous rice grain images by using a hyperspectral imaging system to obtain spectral data; s2, preprocessing spectral data through a combined method of SG smoothing, an asymmetric weighted penalty least square method and multivariate scatter correction to reduce noise and interference; s3, constructing a multi-branch modeling architecture which comprises a CNN local feature extraction module, an SRU spectrum sequence modeling module and a HorNet global high-order modeling module, and outputting a discrimination result through a classifier after multi-branch features are subjected to fusion and pooling attention weighting; and S4, evaluating the performance. According to the method, high-precision lossless discrimination of the waxiness is realized, and a technical support is provided for germplasm screening and quality evaluation in rice breeding.
Owner:RICE RES ISTITUTE ANHUI ACAD OF AGRI SCI

Trajectory planning method based on multi-stage optimization strategy and mixed diffusion model

The invention discloses a trajectory planning method based on a multi-stage optimization strategy and a mixed diffusion model. The method comprises the following steps: fusing multi-source sensor data and extracting features; screening and fusing intention anchor point tracks; and optimizing the fine-grained trajectory based on the Transform-Mamba mixed diffusion model. According to the method, an intention anchor point track screening mechanism is provided, the anchor point track matched with the scene is selected from the compact vocabulary through the dynamic screening module and fused with the static prior anchor points, the calculation complexity is reduced, the diversity of the initial track and the scene consistency are guaranteed, and the problem that a traditional fixed anchor point set is insufficient in flexibility is solved. According to the method, a mixed diffusion decoder is designed, space environment dependence is efficiently modeled through a cross attention mechanism, a bidirectional Mama module captures time sequence motion dependence with linear complexity, global perception ability and long sequence modeling efficiency are both considered, and safety and dynamics feasibility of generated tracks are ensured.
Owner:DALIAN UNIV OF TECH

Full-length gene sequence modeling method and system based on neural network

The invention provides a full-length gene sequence modeling method and system based on a neural network, and the method comprises the steps: constructing a first expression matrix for initial single-cell RNA sequencing data, and carrying out the quality control transformation of the first expression matrix to obtain a second expression matrix; inputting the second expression matrix into a preset binning embedding module to obtain a binning embedding matrix; maintaining and loading a gene pathway set through a knowledge base and a mapping module to obtain a binary mask matrix, and performing mask processing on the binning embedded matrix based on the binary mask matrix to obtain a pathway mask matrix; the path mask matrix is input into a preset attention state space model, the attention state space model comprises an encoder module, a jump connection module and a decoder module which are arranged in sequence, and a reconstruction tensor is output through the decoder module. According to the scheme, an efficient and extensible whole-gene annotation method is provided, and whole-gene expression input can be processed while the calculation efficiency is kept.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Wind power prediction method based on Temporal Fusion Transformer and EHO optimization algorithm

The invention designs a wind power prediction method based on improved time sequence fusion Transform (ITFT). According to the method, a Mama module is adopted to replace a traditional LSTM encoder-decoder structure, so that the long sequence modeling capability is remarkably improved; designing a wind speed prediction network (WFN) to generate future wind speed prediction as auxiliary input of the decoder; the improved EHO algorithm is applied to carry out hyper-parameter optimization, and chaos initialization, a fitness-distance balance strategy and a hybrid variation mechanism are fused. According to the method, the technical bottlenecks of an existing wind power prediction method in the aspects of precision, efficiency and interpretability are solved. Characteristic importance quantitative analysis is realized through a variable selection network, and a credible decision basis is provided for power grid dispatching. The method is suitable for wind power plant short-term power prediction, and the renewable energy consumption capability can be remarkably improved.
Owner:NORTH CHINA ELECTRIC POWER UNIV

High-voltage chamber cable trench temperature and humidity abnormity detection system and method

The invention belongs to the field of cable laying, and particularly relates to a high-voltage chamber cable trench temperature and humidity anomaly detection system and method. According to the method, multivariable time sequence modeling and a lightweight deep learning architecture are fused, actual environment sensing data and an intelligent analysis model are integrated, real-time anomaly recognition and intelligent early warning of the temperature and humidity state of the high-voltage chamber cable trench can be achieved, the method has the advantages of being high in accuracy, high in robustness and the like, and the method is suitable for popularization and application. The method is suitable for equipment state monitoring and safety risk assessment in an intelligent power grid environment.
Owner:STATE GRID HENAN ELECTRIC POWER CO MIANCHI COUNTY POWER SUPPLY CO

Remaining life lightweight prediction method and system based on feature decoupling and sparse optimization

The invention provides a residual life lightweight prediction method and system based on feature decoupling and sparse optimization, and the method comprises the steps: efficiently extracting equipment degradation features through a double-branch architecture: capturing a time sequence degradation law through a GRU network, and generating a deep feature h1 in combination with an attention mechanism, one branch directly extracts a key feature h2 from an original sensor signal through a sparse attention mechanism, the other branch directly extracts a key feature h2 from the original sensor signal through a sparse attention mechanism, then two feature vectors are fused and processed through a lightweight decoder, and finally a residual life prediction value is output. The balance between precision and calculation efficiency is realized through feature decoupling and sparse optimization, and the method is particularly suitable for deployment in an edge calculation environment with limited resources.
Owner:WUHAN UNIV OF TECH

Agricultural supply chain risk intelligent sensing and early warning system based on multi-source data fusion

The invention relates to the technical field of agricultural informatization and supply chain risk control, and particularly discloses an agricultural supply chain risk intelligent sensing and early warning system based on multi-source data fusion. According to the system, six multi-source data including a producing area environment, an agricultural product category, a transaction behavior, a logistics link, credit and market information are integrated through a data acquisition layer; space-time alignment and cleaning are carried out through the data processing and alignment layer; through feature engineering and a multi-source fusion layer, depth features are constructed by comprehensively utilizing a knowledge graph and a graph attention network, Transform behavior sequence modeling, CNN-LSTM remote sensing time sequence analysis and Graph2Seq logistics trajectory prediction, and the Transform and the graph attention network are specially adapted for an agricultural scene; the dynamic risk scoring layer is used for comprehensively calculating five risks of producing areas, logistics, transactions, markets and credit, and a comprehensive risk score is output through weighted fusion; a decision basis is provided by integrating SHAP, attention visualization and map path tracking through an interpretability output layer; and finally, outputting a grading risk strategy by a strategy decision-making layer. According to the invention, dynamic, accurate and explainable intelligent assessment and early warning of full-link and multi-dimensional risks of the agricultural supply chain are realized.
Owner:GUANGDONG LIANHE INFORMATION TECHNOLOGY CO LTD

Multi-modal emotion recognition method based on Mama state space model and cross-modal self-distillation

The invention belongs to the technical field of artificial intelligence and multi-modal emotion calculation, and discloses a multi-modal emotion recognition method based on a Mama state space model and cross-modal self-distillation. Through the organic combination of the efficient sequence modeling capability of the Mamba state space model and the knowledge sharing mechanism of cross-modal self-distillation, the advantages of the state space model in the aspects of time sequence modeling and calculation efficiency are fully played, and meanwhile, the limitation of a single model architecture is made up through a cross-modal attention mechanism; the technical bottlenecks of an existing multi-modal emotion recognition method in the aspects of long sequence processing efficiency, cross-modal information fusion and knowledge transfer sufficiency are effectively solved, and an efficient and reliable technical solution is provided for further development and practical application of the multi-modal emotion recognition technology.
Owner:NORTHEASTERN UNIV CHINA

Dexterous hand environment article sensing and modeling algorithm based on ontology sensing

The invention discloses a dexterous hand environment article sensing and modeling algorithm based on body sensing. The algorithm comprises the steps that a mechanical arm drives a dexterous hand to approach an object; tactile-spatial data acquisition: a three-axis force sensor is arranged at the tail end of each finger of the dexterous hand, and the system is in contact with an object through multiple fingers of the dexterous hand to acquire multi-dimensional information of the appearance, surface characteristics and local topology of the object; active exploration sampling, multi-finger movement of the mechanical arm and the dexterous hand, and active penetration of unknown object surface and enhanced sampling of local features through the dexterous hand by the system; the method comprises the following steps: modeling an object attribute, analyzing a mechanical response sequence obtained by tactile-spatial data acquisition and active exploration sampling, modeling a target object in three dimensions of elasticity, hardness and local geometric morphology, and realizing accurate identification and modeling of an unknown object appearance form and an object attribute in an environment. The distribution uniformity of the tactile point cloud and the model integrity are improved, the hardware dependency is reduced, and the environmental adaptability is enhanced.
Owner:GUANGDONG JIBU TECHNOLOGY CO LTD

Air combat strategy generation system and method based on lightweight sequence modeling imitation learning

The invention provides an air combat strategy generation method based on lightweight sequence modeling imitation learning. According to the training method, an air combat decision model based on rules can be quickly migrated into a parameter model in a neural network form. The method comprises the following steps: firstly, constructing a rule-based air combat decision model, and generating high-quality training data through adversarial simulation; and then, the training data is converted into a state-action sequence pair, and the state-action sequence pair is input into a lightweight sequence modeling network based on a Transform architecture for learning and training. According to the method, decision knowledge of a rule model is converted into a neural network model through an imitation learning method, and efficient utilization and flexible generalization of expert knowledge in air combat decision model construction are realized; the model designed by the method can accurately reproduce the decision behavior of the rule model through a small amount of training, and compared with a reinforcement learning method, the strategy construction speed is higher and the strategy performance is more stable.
Owner:BEIHANG UNIV

Quantum sensing intelligent key distribution method for intelligent quantum communication network

The invention relates to a quantum sensing intelligent key distribution method for an intelligent quantum communication network, and the method comprises the steps: inputting original observation data of a quantum channel to a computer system, and extracting a quantum feature vector of each step; stacking into a two-dimensional matrix, and obtaining space-time representation through a convolutional neural network; obtaining time sequence cleaning features in combination with a bidirectional long-short-term memory network and an attention mechanism; extracting associated quantum channel characteristics and noise statistics, and executing anomaly detection and error correction prediction; a near-end strategy optimization algorithm is used for inputting the two to adjust the transmission distance and protocol parameters; and constructing a saturated noise channel model in combination with the adjustment parameters, and carrying out error correction and privacy amplification to generate a final security key. The method aims to fully combine quantum feature perception, depth sequence modeling and reinforcement learning optimization mechanisms, and realizes robust feature extraction of original observation of a quantum channel by constructing high-dimensional quantum feature mapping and performing standardization, filtering and abnormal value processing.
Owner:GUIZHOU UNIV

Dynamic intention chain modeling and causal cleaning method and system under multi-round dialogue scene

The invention relates to the technical field of natural language processing, in particular to a dynamic intention chain modeling and causal cleaning method and system under a multi-round dialogue scene. According to the method, through multi-round dialogue data collection and preprocessing, one-hot codes are allocated to each sub-word or word group, intention recognition and sequence modeling are carried out based on the codes, and the intention of the user can be accurately recognized; quick mapping for directly obtaining user intentions from voice input data by skipping text data conversion is established, so that the intention recognition efficiency is improved; according to the method, the causal relationship graph is constructed based on the user intention sequence, the Bayesian network is utilized to perform causal modeling, the causal relationship between intentions is derived, and the probability of reasoning the next intention through the previous intention is calculated, so that the next intention of the user and the interactive operation to be executed are accurately reasoned; and collecting user feedback data to calculate a satisfaction score, and correcting the priority ranking rule of the rule engine based on the score.
Owner:CHENGDU YUNDING INTELLIGENT CONTROL TECH CO LTD

Long-sequence electrocardiosignal disease recognition system based on Transform architecture

The invention relates to the technical field of electrocardiosignal analysis, and discloses a long-sequence electrocardiosignal disease recognition system based on a Transform architecture. The core defects that in traditional electrocardiogram analysis, waveform integrity is damaged by fixed window segmentation, a lead space topological relation is neglected, and long sequence modeling efficiency is low are overcome, a P-QRS-T waveform structure is completely reserved through the heart beat adaptive segmentation technology, and the fixed window truncation risk is eliminated; the lead anatomical topology and the space-time coding are fused, and multi-lead electrophysiological association is modeled; long sequence efficient processing is realized based on hierarchical sparse Transform, and the recognition sensitivity of complex pathologies such as arrhythmia and myocardial ischemia is improved; in combination with gradient directional regulation and control and a streaming processing mechanism, the clinical real-time requirement is met while the diagnosis accuracy is guaranteed, and finally, reliable, efficient and universal intelligent decision support is provided for early warning of heart diseases through lightweight deployment of an adaptive mobile terminal.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Cold and heat source configuration optimization method and system based on full life cycle

The invention belongs to the technical field of cold and heat source configuration methods, and particularly relates to a cold and heat source configuration optimization method and system based on a full life cycle, and the method comprises the steps: S1, building use characteristic analysis; s2, designing a staged unit configuration scheme; s3, optimizing an intelligent control strategy; s4, carrying out full-life-cycle cost-benefit analysis; s5, optimal scheme decision making and dynamic adjustment; according to the method, a dynamic prediction model of a time sequence analysis and Transform-TCN hybrid architecture is adopted, historical load data can be deeply mined through time sequence analysis, and time characteristics and periodic rules in the data are captured; the long sequence modeling capability of the Transform and the local feature extraction capability of the TCN are combined by the Transform-TCN hybrid architecture, so that the long and short term dependency relationship in the load data can be better processed, and the prediction accuracy is improved.
Owner:CHINA RAILWAY NO 2 ENG GROUP CO LTD +3