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720results about How to "Improve efficiency and accuracy" patented technology

Advertisement playing system and method based on image identification

The invention discloses an advertisement playing system and an advertisement playing method based on image identification. The system comprises an advertisement display platform, an image acquisition system and a data analysis processing module. The implementation method comprises the following steps of: acquiring an attention degree of an advertisement audience to an advertisement in real time by the image acquisition system added into the advertisement display platform, automatically analyzing feedback of the advertisement audience to the advertisement according to human face expression identification, automatically analyzing and pre-estimating an age structure and genders of client groups according to human body feature analysis and identification, and supplying reference to subsequent playing of the advertisement. By the system and the method, advertisement audience data can be timely acquired and quickly transmitted to an advertisement supplier and an advertising product supplier, so that an advertisement effect and an advertisement investment value can be accurately analyzed, and relevant staff can timely adjust an advertisement strategy; and a relatively high push effect is achieved for popularization of products.
Owner:鼎亿数码科技(上海)有限公司 +1

Feature item selection and weight calculation based text classification method

The invention discloses a feature item selection and weight calculation based text classification method, which comprises the following steps: for a corpus training set obtained through analyzing and arranging, based on the traditional TF-IDF (term frequency-inverse document frequency) feature item weight calculation, through considering the relevancy among feature items and different categories according to CHI chi-square statistics and considering the intra-category average distribution situation of the feature items according to the information entropy of the feature item, carrying out adjustment on the weights of the feature items; then, carrying out assessment and selection on the feature items according to the inter-category weight difference of the feature items; respectively expressing a text in the training set and a text to be classified into vector form by using the feature item in a feature subspace; and determining the category of the text to be classified through calculating the similarity between the text in the training set and the text to be classified. As in the processes of feature item selection and weight calculation, the inter-category and intra-category distribution situations of feature items are comprehensively considered based on TF-IDF, so that the accuracy of feature item selection is enhanced, and the dimensionality of feature items is effectively reduced, thereby improving the efficiency and accuracy of text classification.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Android malicious software detecting platform oriented to mobile internet

The invention belongs to the technical field of information safety and discloses an android malicious software detecting platform oriented to the mobile internet. The Android malicious software detecting platform aims at overcoming the shortcoming that existing Android malicious software lacks dynamic detection, and the Android malicious software detecting platform achieves organic combination of static detection and dynamic detection of the Android malicious software. An application program is installed into an Android sandbox, the Android application program is automatically started and controlled, and various practical operations of a user to the application program are simulated. The operation situation of the application program is monitored to obtain API information of the application program and various dynamic behaviors so as to achieve the aim of detecting the malicious behaviors of the application program. According to the android malicious software detecting platform oriented to the mobile internet, the operations of the user to the application program in the Android sandbox is simulated, the practical behaviors of the application program are practically restored, and the efficiency and accuracy of the Android malicious software detection are improved.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Quick charging system for unmanned aerial vehicle and charging method thereof

The invention discloses a quick charging system for an unmanned aerial vehicle and a charging method thereof, wherein the quick charging system and the charging method belong to the field of unmanned aerial vehicle charging. The quick charging system for the unmanned aerial vehicle comprises a supporting module, a positioning module and a charging module. The supporting module is used for assisting the unmanned aerial vehicle body in landing and supporting the unmanned aerial vehicle body. The positioning module is used for performing return positioning on the unmanned aerial vehicle body so that the unmanned aerial vehicle body lands on the supporting module. The charging module is used for controlling a charging process. The charging method according to the quick charging system comprises an unmanned aerial vehicle body returning step, an image acquiring and positioning step, a quick landing step, a charging step, etc. The charging process comprises three periods, namely pre-charging, multi-step constant-current charging and pulse charging. According to the quick charging system, the supporting module is combined with other modules for forming a complete charging system, so that the unmanned aerial vehicle body can accurately and quickly land on the supporting module, thereby greatly improving charging efficiency and realizing high autonomy and convenient use.
Owner:安徽啄木鸟智能科技有限公司

Intention model training method and device, intention identification method and device, equipment and medium

The invention discloses an intention model training method and device, an intention identificationidentification method and device, equipment and a medium, and the method comprises the steps: inputting a training text word vector and an intention label into an intention training model, and obtaining an original intention identification model; inputting the test text word vector and the intention label into an original intention identification model, obtaining an output result corresponding to the original intention identification model, and determining the original intention identification model as a target intention identification model if the output result is greater than a preset accuracy rate; and inputting the target text word vector corresponding to the target text and the corresponding entity label into an entity training model to obtain an entity identification model. The target intention is obtained through the target intention identification model, and the target entity is obtained through the entity identification model, so that the effective speech corresponding to the target intention and the target entity is randomly selected from the speech template to communicate with the client, and the flexibility of the conversation between the robot and the client is improved.
Owner:CHINA PING AN PROPERTY INSURANCE CO LTD

Building engineering computation and evaluation system and method

The invention relates to a building engineering computation and evaluation system and method. The system comprises an associating module, a parameter reading module, an analysis module and a computation and evaluation module, wherein the associating module is used for identifying a building information model object from a building information document and associating a corresponding building system project in a master database with the building information model object; the parameter reading module is used for acquiring the structural parameters of the building information model object according to the structural item corresponding to the building system project and generating a parameter list file of the acquired structural parameters; the analysis module is used for analyzing the parameter list file and determining the definitions of the structural parameters according to the building system project; and the computation and evaluation module is used for estimating the engineering quantity according to the definitions of the structural parameters, evaluating the price of required building resources by querying a unit price catalogue database, and further generating an engineering quantity and evaluation list by combining the engineering quantity and the evaluated result. According to the invention, the efficiency and accuracy of engineering computation and evaluation are greatly increased.
Owner:广州拓欧信息技术有限公司 +1

Omnidirectional mobile platform vehicle with automatic line patrolling and obstacle avoiding functions

The invention discloses an omnidirectional mobile platform vehicle with automatic line patrolling and obstacle avoiding functions for a factor area indoor space. The omnidirectional mobile platform vehicle comprises a main frame, a vehicle-borne computer, a storage battery group, a motor driver, and a Mecanum wheel component. The automatic line patrolling is realized through the combined working of a magnetic navigation sensor and a digital camera, the magnetic navigation sensor detects a vehicle offset through the position of an induction sensor relative to the a magnetic strip, the digital camera collects a navigation magnetic strip sideline in real time, the offset of the sideline to a theoretical calibration line is calculated, the numerical value returned by the sensors are integrated to adjust a vehicle body direction in real time, and thus the platform vehicle can move forward along a preset magnetic strip. According to the omnidirectional mobile platform vehicle, with an omnidirectional mobile vehicle as a basis, the multiple sensor integrated function modules of automatic line patrolling and automatic obstacle avoiding are developed, the vehicle can carry out transverse movement and oblique movement and rotate for any angle on a spot in a mode of zero gyration radius, point-action position fine adjustment is achieved, the automatic line patrolling is realized, the material delivery time can be reduced, and the working efficiency is improved.
Owner:BEIJING INST OF SPACECRAFT ENVIRONMENT ENG

System and method for identifying association relations among enterprises

The invention provides a system and a method for identifying association relations among enterprises. The system for identifying the association relations among the enterprises comprises an enterprise credit reporting system, an intermediate table module, a association query system and a plurality of commercial bank clients; the intermediate table module is connected with the enterprise credit reporting system, the association query system is connected with the intermediate table module, and the commercial bank clients are connected with the association query system; the intermediate table module comprises an association relation computation module and an association relation intermediate result storage module; the enterprises in investment association relations, the enterprises in association relations among part-time senior executives, the enterprises in personal investment distribution association, the enterprises in personal guarantee association, the enterprises in guarantee association relations, the enterprises in group parent-subsidiary association relations, the enterprises in family association, the enterprises in address association and the enterprises in telephone association are computed by the intermediate table module, and information of the enterprises is stored in the intermediate table module. The system and the method have the advantage that the association relations among the enterprises can be quickly displayed by the aid of the system and the method.
Owner:中国人民银行征信中心

Method and server for processing on-line transaction fault event of mainframe

ActiveCN101778017AIncrease meansImprove efficiency and accuracyData switching networksRelationship - FatherEvent monitoring
The embodiment of the invention provides a method and a server for processing on-line transaction fault events of a mainframe. The server comprises a node information acquiring unit, a hierarchical model storage unit, a mapping table storage unit, a fault information receiving unit, a fault node state updating unit, a relevant node state updating unit and a node state display unit, wherein the node information acquiring unit is used for obtaining node information and node relation information; the hierarchical model storage unit is used for storing business service hierarchical models; the mapping table storage unit is used for storing a node state mapping map and a node incidence relation mapping table; the fault information receiving unit is used for receiving fault event information sent by an external event monitoring system; the fault node state updating unit is used for updating corresponding node state in the node state mapping table; the relevant node state updating unit adopts the node state of a father node generated by calculation to update the node state corresponding to the identification of the father node in the node state mapping table; and the node state display unit is used for displaying the node of which the state is updated in an imaging mode. The monitoring facing to business service is used for quickly determining and displaying an IT unit fault event.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Optical cable circuit fault positioning and detection method and terminal equipment

ActiveCN108593260AImprove efficiency and accuracyRealize intelligent identificationElectromagnetic transmissionTesting fibre optics/optical waveguide devicesEngineeringFault recognition
The invention is applicable to the technical field of optical cable detection, and provides an optical cable circuit fault positioning and detection method and terminal equipment. The method includesthe following steps: establishing an optical cable circuit fault reflected light information sample library according to the reflected light information; establishing an optical cable circuit fault positioning and detection model according to a neural network; determining the theoretical result of the fault position of the optical cable circuit corresponding to the reflected light information in the sample library; judging whether a first difference value of the fault position theoretical result and the optical cable circuit fault position true result corresponding to the reflected light information exceeds a preset first threshold value or not; determining the fault theoretical result if the judgment does not exceed the preset first threshold value; judging whether the second difference value of the fault theoretical result and the fault true result of the optical cable circuit exceeds a preset second threshold value or not; detecting the fault condition of the optical cable circuit to be tested if the judgment does not exceed the preset second threshold value. By adopting the scheme, the accuracy of the fault identification of the optical cable circuit is improved, and the intelligent identification of the fault of the optical cable circuit is realized.
Owner:STATE GRID CORP OF CHINA +1

Method for identifying flow type of soft grain two-phase turbulence based on artificial intelligence

ActiveCN101984340AReduce subjectivityImprove efficiency and accuracyFlow propertiesNeural learning methodsPhysicsMulti resolution
The invention relates to a method for identifying the flow type of soft grain two-phase turbulence based on artificial intelligence, comprising the following steps: 1), collecting the pressure signals of the soft grain two-phase turbulence; 2), extracting and analyzing the pressure signal characteristics: carrying out multi-level division on a frequency band by using a small wave packet method, further decomposing a high-frequency part without dispersed multiple resolution ratios, adaptively selecting corresponding frequency bands according to the characteristics of the analyzed signals so as to match the corresponding frequency bands with signal frequency spectrums; and 3), training and identifying flow type samples composed of defined characteristic parameters by using a probabilistic neural network, wherein learning samples are characteristic vectors of information entropy of a small wave packet after normalization according to a relationship between a probabilistic neural network structure and the learning samples, determining the structure of the probabilistic neural network for flow type identification as well as carrying out relative set on the network and learning training, and identifying the samples with different flow types by using the probabilistic neural network. The method has high veracity, good applicability and high reliability, and can effectively meet on-line identification requirements.
Owner:ZHEJIANG UNIV OF TECH

Positioning method of fault points in power distribution network mixed circuits

The invention discloses a positioning method of fault points in power distribution network mixed circuits. The positioning method comprises steps of adopting the method of monitoring external faults and measuring propagation speed of fault traveling waves in a cable circuit in an on-line manner; supposing one end in any one circuit zone breaks down and calculating time difference that the initial fault traveling waves achieve two measuring ends of the mixed circuit; setting the time difference as the node time difference, establishing corresponding relations between ends in circuit zone and the node time difference and storing the corresponding relations into a data base; when the mixed circuit breaks down, measuring the actual measurement time difference that the initial fault travelling waves reach two measuring ends of the mixed circuit; comparing the actual measurement time difference with the node time difference in the data base and determining fault circuit zones; and calculating the position of the actual fault point according to the factor that the difference value between the actual measurement time difference and the corresponding node time difference of the end in the fault circuit zone multiplied by a half of the propagation speed value of the fault travelling waves in the fault circuit zone equals the distance between the fault point and the fault circuit zone.
Owner:STATE GRID OF CHINA TECH COLLEGE +1
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