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949results about How to "Fast learning" patented technology

Positional detector device for a vehicular license plate

In a positional detector device for a license plate of a motor vehicle, a camera is provided to photograph a front and rear portion of a motor vehicle so as to produce an image signal. An A / D converter converts the image signal into a digital image. A positional detector detects a position of a lisence plate of a motor vehicle based on the digital image. A cut-off treatment device cuts off a specified region from an original image photographed by the camera while scanning the original image when the motor vehicle approaches the camera member within a predetermined distance. An edge refining treatment device emphasizes a contour of a pattern represented by the specified region cut off from the original image. A contraction treatment device contracts an image size of the specified region which was treated with the edge refining treatment device. A calculation treatment device feeds the contracted pattern to a learned neural network so as to calculate an output value for a positional detection neural network. A coordinate transformation device transforms the output value of the positional detection neural network to such a scale as to meet the original image. An addition treatment device adds data at specified points which were multiplied by Gaussian window so as to obtain a projective addition value after carrying out the coordinate transformation. A distinction treatment device recognizes a position of the license plate based on a maximum value on which the projective addition value falls.
Owner:UMETECH YUGEN KAISHA

Method and system for controlling underwater robot locus based on deep reinforcement learning

ActiveCN107102644AAvoid control problems with low trajectory tracking accuracyEasy to operateAdaptive controlAltitude or depth controlControl systemSimulation
The present invention discloses a method and system for controlling an underwater robot locus based on deep reinforcement learning. The system comprises a learning phase and an application phase. In the learning phase, a simulator simulates the running process of an underwater robot and collects the data of the simulated running underwater robot, the data comprises the state of each moment and the target state of the next moment corresponding to each moment, and the learning is performed aiming at a decision neural network, an auxiliary decision neural network, an evaluation neural network and an auxiliary evaluation neural network through the data. In the application phase, the state o the underwater robot at the current moment and the target state of the underwater robot at the next moment are obtained and input to the decision neural network obtained through the final learning in the learning phase, and the decision neural network is configured to calculate the propulsive force required by the underwater robot at the current moment. The method and system for controlling underwater robot locus based on the deep reinforcement learning can realize accurate control of the underwater motion track.
Owner:SOUTH CHINA NORMAL UNIVERSITY

Intelligent contract security vulnerability mining method and system based on artificial intelligence

ActiveCN110175454AReduce manual intervention costsAvoid wide spreadFinancePlatform integrity maintainanceVulnerability detectionSecurity bug
The invention discloses an intelligent contract security vulnerability mining method and system based on artificial intelligence. The invention provides an intelligent contract security vulnerabilitymining method based on artificial intelligence. The method comprises the following steps of disassembling a binary system of the intelligent contract according to an instruction set of an intelligentcontract, converting the system into smart contract assembly, dividing the byte code into different modules according to an intelligent contract byte code jump instruction; and then according to thesource code block and the target code block of the jump instruction, generating a control flow graph of the intelligent contract byte code for deep learning, thereby greatly reducing the manual intervention cost, and furthest avoiding negligence on security vulnerability detection caused by manual intervention errors in other defenses. The technology disclosed by the invention can be applied to anindustrial platform in a large range; the technology disclosed by the invention has an intelligent learning function, and when a novel vulnerability sample is found, the characteristics of the vulnerability sample can be quickly learned, so that the large-range diffusion of vulnerabilities is avoided.
Owner:佛山市微风科技有限公司

Rolling bearing fault diagnosis method based on improved variational model decomposition and extreme learning machine

The invention discloses a rolling bearing fault diagnosis method based on improved variational model decomposition and an extreme learning machine. The method comprises: vibration signals of a rollingbearing under different types of faults are collected, the vibration signals are filtered by means of maximum correlation kurtosis deconvolution, parameter optimization is carried out on the maximumcorrelation kurtosis deconvolution method by using a particle swarm algorithm, and an enveloped energy entropy after signal deconvolution is used as a fitness function; the mode number of variationalmodel decomposition is improved by an energy threshold and improved variational model decomposition of the filtered vibration signals is realized to obtain mode matrixes of the corresponding vibrationsignals; singular value decomposition is carried out on the mode matrixes to obtain a singular value vector and a rolling bearing fault feature set is constructed; and the fault feature set is trained by using an extreme learning machine and a rolling bearing fault diagnosis model is established. Therefore, stable feature extraction of the complex vibration signal of the rolling bearing is realized, so that the diagnostic accuracy is improved.
Owner:HEFEI UNIV OF TECH

Intelligent detection and quantitative recognition method for defect of concrete

The invention discloses an intelligent detection and quantitative recognition method for the defect of concrete. According to the method, a concrete test piece is subjected to impact echo signal sample acquisition, signal noise reduction treatment and characteristic value extraction so as to construct a recognition model for analysis components including feature extraction, defect inspection, defect diagnosis and defect quantification and positioning; and the model is used for detecting and recognizing to-be-detected concrete. The intelligent detection and quantitative recognition method provided by the invention is directed at disadvantages of conventional detection technology for concrete defects and based on theoretical analysis, value simulation and model testing, employs advanced signal processing and artificial intelligence technology and fully digs out characteristic information of a testing signal, thereby establishing the model for intelligent rapid detection and classified recognition based on wavelet analysis and an extreme learning machine; and the model has good classified recognition performance, realizes intelligent rapid quantitative recognition and evaluation of the variety, properties and scope of the defect of concrete and further improves the innovation and application level of non-destructive testing technology for the defect of concrete.
Owner:ANHUI & HUAI RIVER WATER RESOURCES RES INST

Computer-assisted psychological consulting automatic question-answering robot system

The invention discloses a computer-assisted psychological consulting automatic question-answering robot system and relates to a robot system for psychological consulting. The system aims to solve the problems that existing adjuvant therapy equipment of psychological consultants is incapable of working independently, feeding consultation back and monitoring in real time, feeding consulting results back timely and building psychological consulting files of the whole process of the consulting therapy and is not strong in expansibility. According to the system, a psychological consulting question feature extraction module is used for extracting key features of psychological consulting questions input by users; a dialogue control logic module is used for reading and processing the extracted key features and giving a candidate answer set; a knowledge base of the robot system is used for storing answers of the psychological consulting questions; a dialogue historical analysis module is used for analyzing the dialogue history of the psychological consulting users; an answering management module is used for giving a best psychological consulting answer according to the dialogue history; and an answering generating module is used for outputting the best answer and storing the answer into a dialogue journal. The system disclosed by the invention is used for assisting the psychological consulting.
Owner:HARBIN INST OF TECH

Bearing variable-condition fault diagnosis method based on LMD-SVD (Local Mean Decomposition-Singular Value Decomposition) and extreme learning machine

The invention discloses a fault diagnosis method based on local mean decomposition (LMD), singular value decomposition (SVD) and an extreme learning machine (ELM), and aims to increase the accuracy of bearing fault diagnosis under a variable condition. The method comprises the following steps: firstly, decomposing a nonlinear and unstable original vibration signal into a series of product functions (PFs) by adopting an efficient adaptive signal processing method LMD, wherein each PF component is a product of an envelope signal and a pure frequency modulated signal having physical meaning; secondly, processing the PF components by adopting the SVD to compress a feature vector scale and obtain a more stable feature vector value; lastly, classifying a bearing fault state by applying the ELM having higher application computation efficiency and higher classification accuracy based on an extracted feature vector. By adopting the fault diagnosis method based on LMD-SVD-ELM, a set of complete and valid variable-condition fault diagnosis scheme is provided for a bearing. The method has a very good practical engineering application value.
Owner:BEIHANG UNIV

Resource configuration method and system

InactiveCN110147915AImprove the collaboration systemReduce difficultyResourcesTransmissionData matchingProcess configuration
The invention relates to a resource configuration method and system, being characterized by: carrying out the systematic sorting of complex resource configuration related elements through employing various technologies, carrying out the analysis of different dimensions, and setting a resource configuration system architecture model which can be referenced by an application-level service; assistingorganizations or individuals through innovation and reform; establishing a resource configuration system on the basis of an existing resource exchange system or no resource exchange system, so as topromote organizations and individuals, and individuals and individuals to establish a new cooperation mode under the condition of ensuring the legitimate identity and the data validity of networking,and ensuring the authenticity, the consistency and the non-tampering property of the data in different system transmission processes, thus realizing efficient utilization of data; and the data serviceand the intelligent service are combined with economy, resources and users to better research and distribute through communication with the server; and values are mined from big data such as geographic space, time, resources, users, reputations and demands, and data matching of resource demands and supply is established, and the association relationship between a regular mode and geographic lawsis acquired, and a sustainable and long-term-development complete business mode is created.
Owner:陕西爱尚物联科技有限公司
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