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129 results about "Learning Recognition" patented technology

Urban meteorological disaster data identification method and system based on deep reinforcement learning

The invention relates to the technical field of data analysis, provides an urban meteorological disaster data identification method and system based on deep reinforcement learning, and is used for effectively improving the model performance so as to enhance the accuracy and real-time performance of meteorological disaster monitoring. The method comprises the steps of obtaining a meteorological monitoring data set of a target city area, executing meteorological data preprocessing operation on the meteorological monitoring data set to obtain a preprocessed meteorological spatial-temporal feature set, calling a trained deep reinforcement learning recognition model, and performing dynamic disaster mode matching processing on the meteorological spatial-temporal feature set to obtain a dynamic disaster mode recognition model. And generating a meteorological disaster recognition result set of the target city region, generating a disaster coping strategy set according to the meteorological disaster recognition result set, and performing dynamic strategy optimization processing on the deep reinforcement learning recognition model based on the disaster coping strategy set to obtain an optimized deep reinforcement learning recognition model. And deploying the optimized deep reinforcement learning recognition model to a meteorological disaster monitoring system.
Owner:HUAFENG METEOROLOGICAL MEDIA GRP LTD

Immersed tunnel leakage voiceprint recognition system based on deep learning

The invention discloses an immersed tunnel leakage voiceprint recognition system based on deep learning. The system comprises an acoustic signal acquisition module, a signal preprocessing module, a voiceprint feature extraction module, a deep learning recognition module and a leakage positioning and early warning module. According to the invention, the leakage water flow sound and the structural damage elastic wave signal of the immersed tunnel are comprehensively considered, the multi-dimensional voiceprint feature extraction and deep learning model are fused, and the adaptive signal noise reduction and sound source positioning technology is combined, so that the high-precision monitoring and real-time early warning of the leakage of the immersed tunnel are realized; the accuracy and real-time performance of immersed tunnel leakage nondestructive monitoring are improved, and powerful support is provided for follow-up risk prediction and early repair.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2

Real model consistency review system and method based on large language model

The invention discloses a real model consistency review system and method based on a large language model, according to the scheme, through integration of multi-source heterogeneous data, standardized preprocessing of real scene cloud or images is completed, and through combination of deep learning recognition and multi-scale feature analysis, accurate correspondence and intelligent comparison of a real model and a BIM component are achieved; performing semantic reasoning and logic verification by using a large language model, automatically detecting differences such as dimensional deviation, positioning deviation, missing and redundant components and the like, and generating structured difference data; furthermore, difference information is visually presented through graphical annotation and natural language description, and batch screening and multi-scale interaction are supported. Based on a difference analysis result, a standardized review report is automatically compiled, and statistical analysis, change trend tracking and multi-format export functions are provided. According to the scheme, the consistency review efficiency and reliability in a large-scale data environment can be guaranteed, and the quality management level of building construction and operation and maintenance stages can be effectively improved.
Owner:CHINA CONSTR EIGHT ENG DIV CORP LTD

Intelligent parking space guiding system for hospital parking lot

The invention discloses an intelligent parking space guiding system for a hospital parking lot, relates to the technical field of intelligent traffic, and is used for solving the problems that the hospital parking lot is seriously jammed in peak hours and special vehicles lack exclusive passing authority. The system comprises a parking space monitoring module, a vehicle identification module, an intelligent guiding module and a user interaction module. The parking space state is monitored in real time through the multi-mode sensor array; recognizing entering and exiting vehicles through a deep learning recognition algorithm based on cameras deployed at entrances and exits, and obtaining corresponding vehicle information; based on parking space state information and vehicle identification information, a route optimal value is dynamically calculated, and a whole-course navigation service from an entrance to a target parking space is provided for a driver, so that accurate detection of the parking space state, special vehicle priority distribution, high-low peak dynamic route planning and whole-process intelligent guidance are realized, the hospital parking efficiency is remarkably improved, and the hospital parking experience is improved. And the congestion condition in the peak period is relieved.
Owner:FUJIAN ZHONGFEI AVIATION CO LTD

Electronic class board attendance system for palm vein recognition

The invention relates to the technical field of attendance management, and discloses an electronic class board attendance system for palm vein recognition, which comprises a palm vein data acquisition module for irradiating the palm of a user through a near-infrared light source and acquiring a palm vein image; the image optimization processing module is used for performing optical modeling optimization, noise removal and quality enhancement on the acquired palm vein image; the deep learning recognition module is used for extracting palm vein features and performing identity matching; the attendance record storage module is used for storing and managing user attendance data; and the control and communication module is used for managing cooperative work of all the modules and performing data interaction with an external attendance database. Through the technical scheme of combining near-infrared illumination and the light transmission equation, the palm vein feature image is accurately extracted, the effect of optimizing palm vein contrast and detail definition is achieved, the problems of palm vein feature edge blurring and detail loss are solved, and the image processing quality is improved.
Owner:GUANGDONG SINMAR ELECTRONIC TECH CO LTD

Radar deception jamming identification method based on adversarial game optimization

The invention discloses a radar deception jamming identification method based on adversarial game optimization. The method comprises the following steps: S1, acquiring radar echo signal data; s2, obtaining preprocessed radar echo signal data; s3, constructing an adaptive risk game model between the radar and deception jamming based on the preprocessed radar echo signal data; s4, training a deep learning recognition network by using the preprocessed radar echo signal data; s5, introducing a reinforcement learning module, and integrating the deep learning recognition network and the adaptive risk game model; and S6, the optimized radar identification strategy is applied to processing of real-time radar echo signal data, deception jamming signals are identified and classified in real time, and corresponding identification results are output. According to the method, the radar system can effectively avoid a high-risk strategy, so that the uncertainty in combat decisions is reduced.
Owner:XIAN INST OF INTERPRETATION & TRANSLATION

Road disease inspection method, device and equipment based on AI identification and storage medium

The embodiment of the invention provides a road disease inspection method and device based on AI recognition, equipment and a storage medium, and is used for road maintenance. The method comprises the steps of performing multi-source data synchronous acquisition on a road surface to obtain an original image-positioning data set, performing dynamic interference suppression and image enhancement on the original image-positioning data set to obtain a stable enhanced image sequence, and performing disease target detection and classification in combination with a deep learning recognition model to obtain a disease target set, and performing multi-target space-time correlation and satellite positioning data fusion on the disease target set to obtain a stable target trajectory set, performing geometric coordinate conversion on the stable target trajectory set to obtain a road disease data set, and performing clustering analysis through a spatial clustering analysis algorithm to generate a road disease maintenance strategy report. Through the technical means of multi-source cooperation, deep learning, space-time fusion and the like, high-precision and intelligent detection of road diseases is realized, the road maintenance efficiency is improved, and the manpower and material resource cost is reduced.
Owner:SHENZHEN INNOVIEW TECH CO LTD

Intelligent decision-making method and device based on service configuration, equipment and medium

The invention discloses an intelligent decision-making method and device based on service configuration, equipment and a medium, and the method comprises the steps: collecting real-time service data in a service system, employing a machine learning algorithm to carry out the learning recognition of noise data features, dynamically updating a data cleaning rule, and carrying out the recognition of the real-time service data. Cleaning the real-time business data according to the updated data cleaning rule to obtain standardized business data, obtaining a current business configuration model according to the business type, importing the standardized business data into the current business configuration model, and analyzing and processing the standardized business data through the current business configuration model to obtain the real-time business data. According to the method, the decision can be accurately adjusted according to the new situation, and the decision method is dynamically and flexibly configured based on the service data, so that new requirements brought by service changes are adaptively met.
Owner:EDEN INFORMATION SERVICE LTD

Manipulator grabbing control method and device based on position and posture recognition

The invention discloses a manipulator grabbing control method and equipment based on position and posture recognition. The manipulator grabbing control method comprises the following steps that S1, initial image information of a target object is acquired through image acquisition equipment; s2, performing preprocessing and feature extraction on the initial image information, and obtaining three-dimensional position coordinates and attitude parameters of the target object through a preset position and attitude recognition algorithm; and S3, according to the three-dimensional position coordinates and the posture parameters, a grabbing path of the manipulator is planned by combining a kinematic model of the manipulator. By introducing technical means such as a deep learning recognition algorithm, forward / inverse kinematics model collaborative planning, real-time posture dynamic adjustment and force sensing feedback control, the problems that a traditional mechanical arm is low in grabbing precision, poor in adaptability and insufficient in operation stability are solved, intelligent and high-precision grabbing control in a complex scene is achieved, and the grabbing precision of the mechanical arm is improved. And the requirements of the modern industry on high efficiency, reliability and flexibility of automatic equipment are met.
Owner:HUBEI ZICHEN INFORMATION TECHNOLOGY CO LTD

High-precision liquid phase chip sample positioning and identification system

The invention discloses a high-precision liquid phase chip sample positioning and identification system, which belongs to the field of high-precision liquid phase chip sample positioning and identification, and comprises an active liquid phase sample positioning control module used for collecting a liquid flow state signal and adjusting the speed and position of an input sample in real time through an adjustable microfluid structure, fixed-point residence and directional conveying of samples in a chip channel are realized; the image recognition and feature position fine adjustment module is used for carrying out multi-modal image collection on an area where the sample is located, extracting spatial feature information of the target sample based on a deep learning recognition model, and carrying out fine adjustment correction on the position of the sample according to a feedback signal; by constructing an active liquid phase sample positioning and recognition system, high-precision directional control and spatial residence of a liquid sample in a chip channel are realized, the problems of sample drift and unstable recognition in a traditional passive conveying mode are effectively avoided, and the timeliness and accuracy of sample recognition are improved.
Owner:烟台至公生物医药科技有限公司

Teaching object interaction method, system and device

The invention discloses a teaching object interaction method, system and device. The teaching object interaction method comprises the steps of obtaining a plurality of interaction behavior characteristics of a real-time user at a current knowledge point; constructing a plurality of interaction behavior characteristics of the real-time user at the current knowledge point into a real-time interaction vector; inputting the real-time interaction vector into a learning recognition model, performing forward propagation after pre-training in the learning recognition model, and generating a mastering state label of a real-time user at the current knowledge point; according to the mastering state label of the real-time user at the current knowledge point, constructing a teaching interaction strategy of a plurality of to-be-learned knowledge points in a future time axis; wherein the mastering state labels of the plurality of knowledge points to be learned are inherited in a training sample of the learning recognition model; according to the method, the accuracy of learning path deduction and the individuation of learning strategies are improved, and the user learning experience of a teaching system is remarkably improved by combining real-time mastering state prediction and deduction based on a historical behavior mode.
Owner:JIAN COLLEGE

Road damage identification and positioning method fused with multi-source information

The invention discloses a road damage identification and positioning method fused with multi-source information, and relates to the technical field of road and bridge facility health monitoring. The method comprises the following steps: S1, collecting multi-source image data of a road bridge through an unmanned aerial vehicle, a wall-climbing robot and / or an industrial camera; and S2, preprocessing the multi-source image data, respectively inputting the multi-source image data into a pre-trained deep learning recognition model, and outputting the type and initial position information of a disease. According to the method, the global view angle of the unmanned aerial vehicle and the local high-definition data of the wall-climbing robot / industrial camera are deeply fused, and the deep learning-based semantic segmentation model is utilized to perform pixel-level recognition on tiny diseases such as cracks, so that the recognition accuracy and reliability are greatly improved, and meanwhile, the recognition efficiency is improved. Image coordinates are accurately mapped to the three-dimensional live-action model through a coordinate transformation formula, centimeter-level space positioning of the disease is achieved, and detection accuracy and operation safety are remarkably improved.
Owner:CHINA RAILWAY INVESTMENT GRP CO LTD

Target tracking method and device, intelligent selling cabinet and storage medium

The invention relates to the technical field of target tracking, and discloses a target tracking method and device, an intelligent selling cabinet and a storage medium. Performing pixel weighting on the original image data to obtain target image data; performing rotating frame labeling on the target image data to obtain labeling information of the target image data; according to the annotation information, performing feature learning on the target image data to obtain smear feature information; obtaining a target detection model according to the smear feature information; and obtaining a target tracking result according to the target detection model. According to the method, the target image data with the smear features are obtained after pixel weighting is carried out on the original data, then rotating frame labeling and feature learning are carried out on the target image data, so that a target detection model learns recognition of the smear features, and understanding of a target motion mode is enhanced. In this way, the target can be accurately detected and tracked in real time in a complex scene where the target rapidly moves.
Owner:DAHUANG GOOSE (LINYI) TECHNOLOGY CO LTD

Urban building disease detection method and device, electronic equipment and storage medium

The invention relates to the technical field of building disease detection, in particular to an urban building disease detection method and device, electronic equipment and a storage medium. Multi-modal image data formed by original visible light and thermal infrared image data is obtained, and an original thermal infrared image is subjected to geometric correction; calculating a mapping relation with an original visible light image so as to complete pixel-level registration, obtaining target multi-modal image data, inputting the target multi-modal image data into a hierarchical deep learning recognition model, recognizing building disease information, then performing three-dimensional space mapping, generating a building three-dimensional mesh model containing disease three-dimensional space setting coordinates, and finally performing three-dimensional mesh modeling. And then calculating a relationship between a model surface grid vertex and a disease point cloud density, generating a disease distribution thermodynamic diagram, analyzing disease aggregation characteristics in multiple dimensions according to the thermodynamic diagram, and quantitatively analyzing spatial correlation between the disease and a building construction node in combination with building component information. According to the invention, the urban building disease detection efficiency and precision are improved.
Owner:SHENZHEN UNIV

Artificial intelligence modeling analysis method for hydrate pilot production data set

The invention relates to the technical field of geological informatization, in particular to an artificial intelligence modeling analysis method for a hydrate pilot production data set, which comprises the following steps of: acquiring logging data, lithology data, stratum physical property parameters and natural gas hydrate production dynamic data; screening, cleaning, complementing, de-noising and standardizing are carried out in sequence to obtain an artificial intelligence modeling data set; and establishing a stratum lithology machine learning recognition model, a stratum physical property machine learning recognition model and a natural gas hydrate artificial intelligence historical fitting model through a support vector machine SVM, a random forest RF and a neural network DNN. According to the method, a serial modeling architecture of lithology identification, physical property prediction and production history fitting is created, and the prediction output of the upstream model is used as the optimization input of the downstream model, so that the downstream production prediction model can learn physical property parameters which are recalculated based on machine learning and have higher precision; and the accuracy of final production prediction is improved from the data source.
Owner:INSTITUTE OF GEOLOGY AND GEOPHYSICS CHINESE ACADEMY OF SCIENCES

File anti-desensitization self-learning recognition system and method based on information entropy

The invention discloses a file anti-desensitization self-learning recognition system and method based on information entropy, belongs to the technical field of intersection of natural language processing and content security recognition, and is applied to document screening and risk recognition in a multi-task scene. The implementation method comprises the following steps of: 1, performing character recognition and noise reduction processing on an original file to form a data set; 2, training labeled sample data through small samples, respectively adopting probability distribution of a data sliding window and information entropy to carry out maximum and minimum normalization screening, and further utilizing a fitted linear regression model to form an anti-desensitization word list; 3, screening the anti-desensitization degrees of the sentence segments of the data set by adopting a dictionary tree Trie structure to form an anti-desensitization sentence segment table; 4, marking the chapter-level anti-desensitization degree data set text fragments by using the large model; 5, generating an anti-desensitization report according to the anti-desensitization word and the anti-desensitization degree of the marked anti-desensitization file; compared with the prior art, the anti-desensitization file screening method and device have the advantage that the anti-desensitization file screening accuracy is improved.
Owner:BEIJING INST OF TECH

Multi-mode induction display screen response method fusing voice interaction

The invention discloses a multi-mode induction display screen response method fusing voice interaction, and relates to the technical field of man-machine interaction, and the method comprises the following steps: in a user interaction process, calling a built-in sensor through an interface component real-time state monitoring mechanism, continuously monitoring a rendering process of a target interface component at a millisecond-level time granularity, and displaying the rendering process of the target interface component; collecting multi-dimensional availability state parameter information of the interface component; the method comprises the following steps: preprocessing collected interface component multi-dimensional availability state parameter information, and extracting key indexes reflecting potential asynchronous triggering risks from preprocessed data through a feature engineering method; by sensing the state of the interface component in real time, extracting the asynchronous risk index and combining machine learning recognition and TCN prediction modeling, dynamic regulation and control of the induction triggering window and the animation rhythm are achieved, the problem of mispointing or dislocation of the induction component is avoided, the accuracy and safety of interaction response are improved, and the user experience is improved. The method is suitable for high-precision scenes such as vehicle-mounted, medical and industrial control.
Owner:ANHUI GUANHUI ELECTRONIC TECHNOLOGY CO LTD

Ship cable identification method based on improved VGG16 network and bidirectional feature fusion

The invention discloses a ship cable identification method based on an improved VGG16 network and bidirectional feature fusion. The method comprises an image acquisition module, a preprocessing module, a deep learning recognition module and an output module, and comprises the following steps: firstly, carrying out gray enhancement and anti-interference filtering on a construction drawing through the image preprocessing module, and constructing a ship cable marking database; then, an improved VGG16 network deep convolutional layer is adopted to extract cable multi-scale features, a full connection layer module of an original network is deleted, a lightweight channel self-attention module is added, and BiFPN is adopted to carry out bidirectional feature fusion on shallow texture features and deep semantic features of the improved VGG16 network, so that the features of the ship cable are captured more effectively; and finally, outputting structured data of cable numbers, specifications and path coordinates. The identification precision mAP, the processing speed and the generalization ability of the method are superior to those of a traditional method, the method can be effectively applied to the field of ship cable identification and the like, and the industrial detection efficiency and the automation level are greatly improved.
Owner:NANJING UNIV OF POSTS & TELECOMM

Neural collapse theory-based pre-training model class incremental learning identification method

According to the pre-training model class incremental learning recognition method based on the neural collapse theory, the NC theory is introduced into feature adaptation of the pre-training model, and a novel normal form is provided to solve downstream tasks through the pre-training model. And an ETF classifier is constructed, so that the feature representation can be guided to adapt to the optimal structure. The ETF classifier not only meets the NC2 characteristics in the neural collapse, but also can improve the instability in the training process by fixing the optimal structure in advance. An FCM module is introduced to compress various features to a specified class prototype, intra-class variability is reduced, NC1 features of neural collapse are met, and feature representation is aligned with an optimal classifier structure by supervising a learning process, so that feature representation with higher discrimination is obtained. Incremental learning training is carried out on the pre-training model, and then the trained model is used for executing the target recognition task, so that the recognition effect can be improved.
Owner:XIDIAN UNIV

Myopia image deep learning recognition model training method

The invention discloses a myopia image deep learning recognition model training method, particularly relates to the technical field of medical image processing and deep learning, and is used for solving the problem that an existing deep learning model lacks anatomical structure priori knowledge guidance in myopia eye bottom image analysis. The method comprises the following steps: acquiring a myopia eye bottom image and anatomical structure priori knowledge data, extracting a multi-scale feature map by using a deep learning model, analyzing the geometric morphology of a key anatomical component based on standard spatial relationship information, and generating a spatial constraint loss item; according to the method, key anatomical path topology coherence is evaluated based on topology connection information, topology constraint loss items are generated, a loss item fusion strategy is dynamically adjusted according to a training stage, finally, a model is iteratively trained to convergence through a gradient back propagation algorithm, and organic combination of medical priori knowledge and a deep learning model is realized. And the clinical rationality and reliability of model output are improved.
Owner:SHANGHAI YUANHE VISION TECH CO LTD

Signal optimization preprocessing-based adolescent schizophrenia deep learning recognition system and method

The invention provides a signal optimization preprocessing-based adolescent schizophrenia deep learning recognition system and method. The system comprises a data preprocessing module, a data fusion module and a schizophrenia recognition module based on a deep learning model which are arranged in sequence, the data preprocessing module is used for carrying out filtering processing on the screened electroencephalogram signals, retaining frequency bands which are most obviously represented by schizophrenia, extracting power characteristics of each frequency band through a time-frequency analysis method, and carrying out compression and normalization processing; the data fusion module is used for disrupting and fusing a plurality of electroencephalogram signal data sets; and the schizophrenia identification module based on the deep learning model is used for realizing accurate identification of the schizophrenia patient in combination with the deep learning model. By optimizing the data processing flow and the model training method, the schizophrenia identification accuracy and stability are improved.
Owner:NANJING UNIV OF POSTS & TELECOMM

Coal mine multi-source data fusion visualization system based on deep learning

The invention relates to the technical field of coal mine data processing, and discloses a coal mine multi-source data fusion visualization system based on deep learning. The system comprises seven modules including a multi-source data acquisition module, a preprocessing module, a three-dimensional geologic model construction module, a fusion strategy generation module, a deep learning recognition module and a data optimization and evaluation module. The multi-source data acquisition module acquires geological sonar signals, environment monitoring signals and equipment operation image data of a coal mine target area; the preprocessing module performs noise reduction on the data and extracts features; the three-dimensional geologic model building module builds a regional three-dimensional geologic model according to the preprocessed data; the fusion strategy generation module combines the model and the preprocessed data to generate a fusion strategy; the deep learning recognition module recognizes the equipment image according to a strategy to obtain equipment state data; the data optimization module optimizes the data; and the evaluation module evaluates and analyzes the optimized data and generates a result, thereby providing support for coal mine production management.
Owner:SHAANXI YANCHANG PETROLEUM MINING CO LTD

Device for controlling operation of tube push bench through visual tracking

The invention relates to the field of tube push bench operation, and discloses a device for controlling tube push bench operation through visual tracking, which comprises a visual perception module comprising a plurality of groups of industrial cameras arranged in a triangular array at intervals of 2-3m and equipped with 850-1200nm infrared light supplement and a self-adaptive exposure algorithm; the dynamic calibration and coordinate conversion module is used for carrying out SIFT feature matching based on a workshop fixed bracket and establishing a conversion matrix from an image coordinate system to a world coordinate system; and the deep learning identification module adopts a YOLOv5 and ResNet-50 double-model collaborative architecture and has static and dynamic shielding processing algorithms. According to the invention, multiple groups of industrial cameras are arranged in a triangular array, and an image splicing technology is combined, so that a single-visual-angle blind area is eliminated, and a detection area is fully covered; continuous and stable tracking of a moving target is ensured, tracking interruption and position deviation caused by view angle limitation or time asynchronization are avoided, infrared light supplement and a self-adaptive exposure algorithm are matched, ambient light interference is inhibited, strong light is coped, a clear image can still be obtained under complex illumination, and the positioning precision is improved.
Owner:JIANGSU CHANGBAO PLS STEEL TUBE

Stock yard mining efficiency analysis method based on multi-mode excavator intelligent monitoring

The invention discloses a stock ground mining efficiency analysis method based on multi-mode excavator intelligent monitoring. The method comprises the steps that multiple single-mode original features corresponding to preprocessed excavator monitoring data are extracted; calculating correlation among modals of the plurality of single-modal original features to generate a preliminary fusion feature, and fusing a self-attention mechanism and a multi-head self-attention mechanism to perform multi-level feature fusion to obtain a multi-modal fusion feature; training a machine learning model by using the multi-modal fusion features to obtain an optimal machine learning recognition model so as to output an excavator activity state recognition result; and calculating the action time, the average cycle time and the productivity of the excavator in different activity states, and predicting the future production efficiency according to the calculated productivity. According to the invention, accurate identification and classification of the activity state of the excavator can be realized, the identification accuracy of the activity state of the excavator is improved, and powerful support is provided for real-time prediction and optimization of the mining efficiency of a stock yard.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

Method and system for recognizing number of bacteria based on combination of image recognition and deep learning

The invention provides a bacterium number identification method and system based on combination of image identification and deep learning, and relates to the technical field of microbiological detection, the method comprises the following steps: capturing a dyed culture solution picture through a microscope and camera equipment; the preprocessed culture solution picture is recognized based on an image recognition algorithm, a first recognition result of the number of bacteria is obtained, and preprocessing comprises image segmentation, color correction, contrast adjustment and morphological processing; inputting the preprocessed culture solution picture and the corresponding staining information into a deep learning recognition model to obtain a second recognition result of the number of bacteria; if it is detected that the deviation between the first recognition result and the second recognition result is smaller than a preset deviation threshold value, the second recognition result is set as the number of bacteria in the culture solution picture. By implementing the method, the accuracy and efficiency of identification can be improved, errors caused by limitation of a single technology are reduced, and more accurate and efficient bacterium counting is realized.
Owner:BEIJING ZHONGJIAN CONSTR RES INST CO LTD +4

Intelligent ultraviolet flame detection and early warning system and method suitable for complex industrial scene

The invention relates to the technical field of fire detection and early warning, in particular to an intelligent ultraviolet flame detection and early warning system and method suitable for complex industrial scenes. Comprising distributed multispectral ultraviolet detection nodes and a central processing early warning unit. The nodes carry out signal acquisition and preliminary identification through a multispectral sensor, local processing and high-precision time synchronization; and the central unit fuses multi-node data, performs three-dimensional flame positioning by using a TDOA algorithm, performs machine learning recognition and false alarm elimination, and performs trajectory tracking by using a Kalman filter so as to realize graded early warning linkage. According to the intelligent ultraviolet flame detection and early warning system and method suitable for the complex industrial scene, the problems that in the prior art, the false alarm rate is high, flame positioning is not accurate, trajectory tracking is missing, cooperative monitoring is limited and the like are solved or at least relieved, false alarms are effectively reduced, and the positioning precision, the tracking capacity and the early warning reliability are improved.
Owner:HENAN ZHONGAN ELECTRONIC DETECTION TECH CO LTD

Complex element new communication streaming media detection method based on multi-modal deep learning recognition technology

The invention relates to the technical field of streaming media detection, in particular to a complex element new communication streaming media detection method based on a multi-modal deep learning recognition technology, which comprises the following steps: S1, multi-modal time-space synchronization preprocessing: mapping video key frames, audio clips and bullet screen texts to a unified time axis through a combined time-space calibration technology, establishing spatial semantic association; s2, hierarchical multi-modal feature distillation is carried out, and discriminative multi-granularity features including local details, global semantics and cross-modal association modes are extracted from all modals; and S3, establishing a dynamic graph modal interaction network, constructing a learnable multi-modal relation graph, and dynamically modeling cross-modal semantic interaction. According to the complex element new communication streaming media detection method based on the multi-modal deep learning recognition technology, the problem that cross-modal complex semantic collaboration cannot be captured through single-modal analysis or shallow fusion, so that the detection missed judgment rate is high is solved.
Owner:CHINA UNICOM WO MUSIC & CULTURE CO LTD +1

AI-based automatic auxiliary learning system

The invention relates to the technical field of AI learning, and discloses an AI-based automatic auxiliary learning system, which comprises a data transmission module, a learning identification module, an identification matching module, a learning prediction module, a learning push module and a personal learning library, the data transmission module is used for receiving the current time, the number of the learner and the learning content needing to be learned by the learner; the learning identification module is used for receiving information transmitted by the data transmission module and inputting learning content into the identification matching module; the identification matching module is used for identifying the learning content and associating the identified learning content with the content in the personal learning library; the learning prediction module is used for predicting the predicted training time of the current learning content; in the learning process of the learner, whether the learning content is learned or not can be judged, so that the learning time is adjusted in real time, the time is reasonably arranged, and the learner can learn efficiently.
Owner:LINXIA COUNTY ELECTRIC POWER CO

A CSI-based location-independent human activity recognition method

The application discloses a CSI-based position-independent human activity continuous learning recognition method, which comprises the following steps: 1, collecting CSI action sample data; 2, pre-processing the CSI action sample data; 3, constructing positive samples by randomly scaling the pre-processed samples in the time dimension; 4, constructing a multivariate time graph neural network and extracting CSI action sample features; 5, calculating the similarity between the sample feature values and the positive samples and the feature values of the remaining samples, obtaining a comparison loss, and optimizing the feature extraction network; 6, freezing the feature extraction network, sending the features obtained from the input samples into a classifier for training to obtain a classification model. When the application continuously learns new action categories, the user does not need to retrain the feature extraction network, and the new and old action recognition in any position in the room can be realized by providing limited position new category samples to train the classifier, and the practicability is relatively high.
Owner:HEFEI UNIV OF TECH