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33results about How to "Quick and effective identification" patented technology

Network layer DDOS (Distributed Denial of Service) attack source identification method, device and system

The invention provides a network layer DDOS (Distributed Denial of Service) attack source identification method. The method comprises the following steps: when a detection server monitors that a first server is under DDOS attacks, acquiring a DDOS attack packet from the first server, and extracting an attack source IP (Internet Protocol) address in the DDOS attack packet and the TTL (Time to Live) value of the attack source IP address; sending a detection command comprising the attack source IP address to a second server; receiving a detection response packet returned by the second server according to the detection command, and extracting a detection source IP address in the detection response packet and the TTL value of the detection source IP address; and judging whether a difference value between the TTL value of the attack source IP address and the TTL value of the detection source IP address is greater than a preset value or not, if so, determining that the attack source IP address is a forgery IP address, otherwise, determining that the attack source IP address is a real IP address. Moreover, the invention further provides a network layer DDOS attack source identification device and system. By adopting the network layer DDOS attack source identification method, device and system, a network layer DDOS attack source can be identified rapidly and effectively.
Owner:SHENZHEN TENCENT COMP SYST CO LTD

Crack seismic attribute judging system and crack seismic attribute judging method

ActiveCN106610508AIntelligently distinguish the advantages and disadvantages of seismic attributesQuick and effective identificationSeismic signal processingSeismology for water-loggingAnalysis dataLogging
The application provides a crack seismic attribute judging system and a crack seismic attribute judging method. The method comprises the following steps: identifying and calculating out crack information of single-well crack density according to acquired imaging logging data and core analysis data, and generating a single-well crack model; extracting seismic attribute data of a specified type from acquired seismic data, and selecting an optimal seismic attribute of which the correlation with the reservoir meets a preset requirement; building a training model by taking the single-well crack model as an input signal and the optimal seismic attribute as an output signal; using an artificial intelligence nonlinear neural network to train the training model; and when the optimal seismic attribute in the training model meets a set screening condition, outputting the optimal seismic attribute meeting the set screening condition. According to the embodiments of the application, the advantages and disadvantages of numerous seismic attributes can be identified intelligently, quickly and accurately, well detection cracks can be identified effectively based on seismic attributes, and the effect and efficiency of actual operation are improved greatly.
Owner:PETROCHINA CO LTD

Positioning system

The invention provides a positioning system which comprises a data control module, a reader-writer, one or more radio-frequency labels and a server. The data control module is arranged in belongings of a user, used for storing a user ID and sending a read-write instruction to the reader-writer, wherein the user ID represents the identity of the user, the reader-writer is arranged in belongings of the user and used for sending a read-write signal through a first radio-frequency signal according to the read-write instruction, one or more radio-frequency labels are distributed in a preset region and used for receiving a radio-frequency label of the read-write signal and sending a stored label ID to the reader-writer through a second radio-frequency signal, the label ID represents the position of the radio-frequency label, the server is used for confirming the ID and the position of the user according to new data from the data control module, and the received label ID is sent by the reader-writer to the data control module which is used for processing the user ID and the label ID are processed into new data and sent the user ID and the label ID to the server. By the technical scheme, the rapid and effective positioning system aiming at the family environment is realized.
Owner:TSINGHUA UNIV

Method for identifying mixture component based on similarity under raman spectrum

The invention discloses a method for identifying a mixture component based on similarity under a raman spectrum, and relates to the technical field of component analysis; the method comprises the following steps of collecting raman spectrums of a pure substance and a mixture to be identified, aiming at different characteristics of the pure substance and the to-be-identified mixture, a characteristic peak is searched for by adopting continuous wavelet transformation with different wavelet as a master wavelet function, so that accurate identification is realized; characteristic vector groups are extracted from the found characteristic peaks, so as to carry out similarity calculation on the pure substance and the to-be-identified mixture so as to preliminarily screen out the candidate pure substance; after the spectral data of the candidate pure substances are subjected to displacement correction, a final component recognition result is obtained by utilizing non-negative least squares; the whole process does not need manual participation, and can be rapidly and effectively applied to the identification of the mixture components, so that the precision ratio and the recall ratio of the mixture identification are improved to a certain extent, and the method has the characteristics of being rapid and lossless, simple in implementation process, accurate in identification result and the like.
Owner:JIANGNAN UNIV

Building local deformation analysis method based on point cloud curved surface feature constraints

The invention discloses a local deformation analysis method based on building point cloud curved surface feature constraints, and the method comprises the steps: firstly carrying out the preprocessingand data segmentation of obtained building dense point cloud data, and obtaining the point cloud data of each surface of a building; secondly, performing curved surface feature recognition on the segmented point cloud data, judging the curved surface type of the surface of the building, and performing curved surface fitting calculation on the point cloud data according to the curved surface typeto obtain curved surface feature parameters of each surface of the building; then, according to the characteristic parameters of the building curved surface, the size constraint and the structure constraint of the building curved surface are calculated; and finally, judging the spatial position relationship between the building curved surfaces according to the building curved surface feature constraint relationship, and analyzing the local change between the curved surfaces. According to the method, the local deformation conditions of different parts of the building can be judged, the safety of the building is analyzed and evaluated from multiple local angles, and the accuracy and reliability of building deformation analysis are improved.
Owner:SHANDONG JIAOTONG UNIV

Power quality disturbance identification method and device based on wavelet transform

The invention relates to the technical field of power quality analysis, in particular to a power quality disturbance identification method and a device based on wavelet transform, and the technical problem of how to accurately identify the power quality disturbance. For the purpose, the power quality disturbance method based on wavelet transform provided by the invention mainly comprises the following steps: firstly, wavelet transform multi-resolution analysis is carried out on the power quality disturbance signal and corresponding eigenvectors are obtained according to the analysis results; then, an LS-SVM classifier and multiple power quality disturbance classes are used to identify the eigenvectors and obtain the power quality disturbance classes corresponding to the eigenvectors, namely the power quality disturbance classes corresponding to the above power quality disturbance signals. Based on the above steps, the power quality disturbance identification method provided by the invention can effectively and quickly identify the power quality disturbance signal with non-stationary and / or short duration.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Garbage distinguishing and classifying system

InactiveCN103264020AQuick and effective identificationQuick and efficient classificationSortingComputer science
The invention discloses a garbage distinguishing and classifying system which comprises a user operation module and an analyzing and classifying module, wherein the user operation module comprises an automatic scanning module, a component input module, an information sending module and a classified result display module; the analyzing and classifying module comprises an information receiving module, a component query module, a component analysis module, a classification feedback module and a component classification storage module; the component query module comprises a local query module and an on-line query module; and the information sending module is used for transmitting information of the automatic scanning module and the component input module into the information receiving module. In this way, the garbage distinguishing and classifying system can be used for rapidly and effectively distinguishing and classifying various garbage, and is simple to operate and convenient to use.
Owner:JIANGSU QIYIDIAN NETWORK

Big data-based visual data asset management system

The invention relates to data asset management, and specially relates to a big data-based visual data asset management system. The system comprises a server, the server is connected with a data resource acquisition unit used for acquiring data resource information, and the data resource acquisition unit comprises a database acquisition model development module used for acquiring database data resource information and a data interface acquisition model development module used for acquiring data interface data resource information; according to the technical scheme, the defects that in the priorart, data resource information cannot be classified and managed, data cannot correspond to service mapping, and the data management visualization degree is low can be effectively overcome.
Owner:STATE GRID ANHUI ELECTRIC POWER

Communication number identification control method and device, and communication terminal

The invention discloses a communication number identification control method and device, and a communication terminal. The communication number identification control method comprises the following steps of receiving a communication number which is submitted to a server by the communication terminal based on a trusted connection; querying records associated with the communication number within the scheduled time range in call records and / or short message records corresponding to a plurality of pre-associated users, and determining the communication number as a communication loss number when a query result is empty; and feeding result information that the communication number is the communication loss number back to the communication terminal. Through processing of the invention to determine whether the communication number is the communication loss number quickly and effectively, the efficiency of using the communication number is improved and the user experience is promoted.
Owner:西安欧思奇软件有限公司

Intelligent practicing device for an electrical towage control circuit

The invention discloses an intelligent practicing device for an electrical towage control circuit, which comprises a power supply module, an electrical towage hardware input module, a main control CPU and an electrical towage hardware output module. The invention can be used for teachers' teaching and students' study and examination, and has the advantages of having low element consumption, effectively improving efficiency of teachers' teaching and students' study and examination, effectively lightening teacher's intensity of labor, being convenient to the organization and management of practice teaching, improving teaching efficiency and quality, and fast, effectively and objectively examining and evaluating the technical level of students.
Owner:林广兴

Self-inspection method and system for engine electronic injection executer

The invention discloses a self-inspection method and system for an engine electronic injection executer. The method comprises the following steps that a, a self-inspection signal is sent to the executer of an engine electronic fuel injection system; b, whether a fault exists in the executer or not is judged according to a feedback signal of the executer; and c, a detection result is displayed. The system comprises the engine electronic injection executer, a self-inspection controller and a display module. By means of the method and system, the fault of the electronic injection system executer can be rapidly and effectively recognized, the fault reason is displayed, it is ensured that a user masters the work state of the electronic injection system of a whole vehicle immediately, and the traveling safety is guaranteed.
Owner:CHONGQING LONCIN MOTOR

GIS partial discharge mode identification method under oscillation mode impulse voltage

The invention discloses a GIS partial discharge mode identification method under oscillation mode impulse voltage. The method includes the steps that firstly, a field oscillation mode impulse withstand voltage test is conducted on a GIS, an impulse current method is used for conducting GIS partial discharge detection under the oscillation mode impulse voltage, and partial discharge electric signals under the oscillation mode impulse voltage are obtained; secondly, the oscillation property of the oscillation impulse voltage and the discharge property of four previous oscillation periods are used for conducting characteristic extracting, and eight characteristic parameters, namely four phase characteristic quantities and four discharge rate characteristic quantities, are extracted; finally, a neural network is used for conducting a discharge type mode identification and outputting an identification result. According to the GIS partial discharge mode identification method under the oscillation mode impulse voltage, the oscillation property of the oscillation mode impulse voltage is fully utilized, the difficulty that at present, discharge type mode identification cannot be conducted in partial discharge detection under the oscillation impulse voltage is overcome, and identification is accurate, fast and effective.
Owner:STATE GRID CORP OF CHINA +2

Method and apparatus for information number identification

The present invention is applicable to information processing technologies and provides a method, system, intelligent terminal and storage medium for information recommendation, wherein, the method includes: uploading contact information to a server, by an intelligent terminal; storing the contact information uploaded by the intelligent terminal and acquiring a social account number of a user of the intelligent terminal, by the server; acquiring friend information of the social account number according to the social account number, and matching the acquired friend information with the contact information, then returning the friend information which is successfully matched to the intelligent terminal, by the server; receiving and storing the friend information which is successfully matched, and recommending the friend information which is successfully matched to the user of the intelligent terminal, by the intelligent terminal; and the friend information which is successfully matched including information that has not been set in the contact information of the intelligent terminal. The present invention can help users to complete information of contacts in address list of intelligent terminals to solve the problem that in the address list of existing intelligent terminals the contact information is incomplete.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Coal and cokeite fast recognizing method based on logging curves

InactiveCN105756673ADetermine Vertical ThicknessQuick and effective identificationTesting machinesBorehole/well accessoriesCoal geologyDrill hole
The invention belongs to the field of coal geology, and relates to a coal and cokeite fast recognizing method based on logging curves.The method comprises the steps that a drilled well is selected according to the logging curves, and the position and thickness of coal and cokeite are determined in a cored drilled hole according to gross features and a coal sample analysis result; the drilled hole logging curves are found out on a determined cokeite and coal foundation, and data of the different logging curves of the coal and the cokeite is read and recorded at the same time; the distribution range of the logging curves of the coal and the cokeite is determined according to the maximum value and the minimum value of the different logging curves, and a coal and cokeite logging response value change table is established; then the coal or cokeite only with the logging data is predicted, and fast recognition of the coal and the cokeite is achieved.The process is simple, operation is convenient, the theory is scientific, the recognition speed is high, and the accuracy rate is high.
Owner:SHANDONG UNIV OF SCI & TECH

Pedestrian attribute recognition method based on multi-temporal attention model

The invention discloses a pedestrian attribute recognition method based on a multi-temporal attention model. The pedestrian attribute recognition method comprises the steps: obtaining image features and attribute features; constructing text supervision features, fusing two combination results of the image features and the attribute features, and cascading the attribute features to serve as attribute supervision; constructing a multi-temporal attention mechanism, namely constructing an alignment model of the attention mechanism by utilizing hidden layer vectors at two moments, and then jointlycarrying out weight optimization on image features; taking the text supervision feature and the context vector as additional input of a long-term and short-term memory model to obtain a hidden layer vector containing pedestrian attribute information; and obtaining a pedestrian attribute recognition probability; and optimizing the pedestrian attribute recognition probability. The pedestrian attribute recognition method can quickly and effectively recognize the attributes of different pedestrians in a real monitoring scene, plays an important role in promoting other deep learning fields, such aspedestrian retrieval and pedestrian re-recognition, and also plays a great positive role in building a safe city and perfecting a city monitoring system.
Owner:TIANJIN UNIV

High-risk customer identification method and system, and storage medium

The invention discloses a high-risk customer identification method and system and a storage medium. The method comprises the steps that public activity period transaction data and opponent customer information data are acquired, a company customer transaction detail table is generated in a relational database, the company customer transaction detail table is preprocessed, and an account-level fundtransaction table and a customer-level fund transaction table are generated after preprocessing; converting the account-level fund transaction table and the client-level fund transaction table into format files which can be identified and correspond to a visual analysis tool, performing visual analysis processing on the format files, and identifying high-risk clients through preset conditions after the visual analysis processing. Therefore, the technical problems of relatively high misjudgment rate and omission ratio and relatively long consumed time in related technologies are solved, and the beneficial effect of quickly and effectively identifying high-risk customers is achieved.
Owner:CHINA CITIC BANK

Subway construction personnel behavior intelligent supervision method and system

The embodiment of the invention relates to a construction supervision method and system, in particular to a subway constructor behavior intelligent supervision method and system. The method comprisesthe following steps: acquiring a real-time video file in a target area, and segmenting the real-time video file into a plurality of real-time picture frames; detecting a predetermined target and feature information thereof in each real-time picture frame by using a behavior detection model to obtain a corresponding subway construction behavior category and a detection score, and taking the real-time picture corresponding to the highest detection score in a plurality of continuous frames as a key frame; selecting a video file containing the preset video length of the key frame in the real-timevideo file as a key video clip; and outputting the key video clip, and outputting the construction behavior category corresponding to the predetermined target and the feature information thereof in the key video clip so as to supervise the subway constructors, thereby ensuring that the subway constructors on the construction site can be effectively supervised.
Owner:BEIJING MUNICIPAL CONSTR +1

A method for identifying a failure at the time of fuel delivery of an internal combustion engine

The invention relates to a method for identifying a failure at the time of fuel delivery of an internal combustion engine (100). In this internal combustion engine, intake pipe injection and direct injection are provided, and a high pressure system is provided for the direct injection. The high pressure system comprises a high pressure accumulator (112) and a fuel injector (111) for metering fuel from the high pressure accumulator (112) for each combustion chamber (103) of the internal combustion engine (100, 200). The pressure in the high pressure accumulator (112) is checked when the direct injection is inactive and a deviation of the fuel-air-ratio in at least one of the combustion chambers (103) is discriminated from the predetermined value. When the undesirable pressure drop in the high-pressure accumulator (112) is thus recognized, a failure in the high-pressure system at the time of combustion delivery is inferred.
Owner:ROBERT BOSCH GMBH

Method for calculating the height of an oil-gas column under a source

The invention discloses a method for calculating the height of an oil-gas column under a source. The method comprises the steps of extracting hydrocarbon source rock interval transit time data, calculating the stress of an oil-gas reservoir under the source and calculating the height of the oil-gas column under the source. The method has the beneficial effects that the possibility of accumulationand accumulation of oil and gas at the lower part of the hydrocarbon source rock can be quickly and effectively judged, a calculation method for quantitatively characterizing the height of the oil andgas column under the source is provided, the method is of great significance to exploration of oil and gas resources under the source, important data support can be provided for oil and gas exploration work in a research area, and huge economic benefits are achieved.
Owner:DAGANG OIL FIELD OF CNPC

Network layer ddos ​​attack source identification method, device and system

The invention provides a network layer DDOS attack source identification method, comprising: when the detection server detects that the first server is attacked by DDOS, obtains the DDOS attack packet from the first server, and extracts the attack source IP address and the attack source in the DDOS attack packet The TTL value of the IP address; send a probe command containing the attack source IP address to the second server; receive the probe response packet returned by the second server according to the probe command, and extract the probe source IP address and the TTL of the probe source IP address in the probe response packet and determine whether the difference between the TTL value of the attack source IP address and the TTL value of the detection source IP address is greater than the preset value, if so, then determine that the attack source IP address is a forged IP address, if not, then determine the attack source IP The address is a real IP address. In addition, the present invention also provides a network layer DDOS attack source identification device and system. The above-mentioned network layer DDOS attack source identification method, device and system can quickly and effectively identify the network layer DDOS attack source.
Owner:SHENZHEN TENCENT COMP SYST CO LTD

Method for detecting faults in fuel delivery of an internal combustion engine

The invention relates to a method for detecting faults in the fuel delivery of an internal combustion engine (100) in which intake manifold injection and direct injection are provided, wherein a high-pressure system is provided for the direct injection, the high-pressure system including a high-pressure accumulator fuel injector (112) and fuel injector (111) for each combustion chamber (103) of the internal combustion engine (100, 200) for metering fuel from the high-pressure accumulator (112), wherein, when direct injection is not When a deviation of the fuel-air-ratio from a predetermined value in at least one of the combustion chambers (103) is detected, the pressure in the high-pressure accumulator (112) is checked, and wherein, when a high-pressure In the event of an undesired pressure drop in the pressure accumulator (112), a fault in the high pressure system during combustion delivery is inferred.
Owner:ROBERT BOSCH GMBH

Method and device for constructing character relation graph and storage medium

The invention discloses a method and device for constructing a figure relation graph and a storage medium, and the method comprises the steps: obtaining group chat data which comprises time information and text information; dividing the group chat data into one or more group chat segments according to the time information and the text information; extracting topic categories of the group chat segments, and classifying the group chat segments according to the topic categories to obtain one or more topic data, the topic data including one or more group chat segments; analyzing all group chat segments contained in the topic data to obtain a character relationship of the members, the character relationship including an active degree of the members, an interaction strength between the members and a social relationship between the members; and according to the character relationship of the members, constructing a character relationship graph of the members. According to the method and the device for constructing the character relation graph, the key chat content, the member information and the member relation can be further mined.
Owner:XIAMEN MEIYA PICO INFORMATION

Communication number identification control method, device and communication terminal

The invention discloses a communication number identification control method and device, and a communication terminal. The communication number identification control method comprises the following steps of receiving a communication number which is submitted to a server by the communication terminal based on a trusted connection; querying records associated with the communication number within the scheduled time range in call records and / or short message records corresponding to a plurality of pre-associated users, and determining the communication number as a communication loss number when a query result is empty; and feeding result information that the communication number is the communication loss number back to the communication terminal. Through processing of the invention to determine whether the communication number is the communication loss number quickly and effectively, the efficiency of using the communication number is improved and the user experience is promoted.
Owner:西安欧思奇软件有限公司

LED bonding pad bubble AI detection method based on X-ray image

The invention provides an LED bonding pad bubble AI detection method based on an X-ray image, and the method comprises the following steps: S1, building a semantic segmentation neural network model, setting at least two output channels, and forming a Loss function through the cross entropy loss of each output channel; S2, mixing the X-Ray images of at least two LED pads, and labeling the pads and bubbles in the images to form a training set; S3, training the neural network model built in the step S1 by using the training set formed in the step S2; S4, verifying the neural network model trained in the step S3, putting the neural network model which is verified to be qualified into use, and returning the neural network model which is verified to be unqualified to the step S2. A neural network semantic segmentation mode is adopted, the bonding pad background and the bubbles are quickly and effectively distinguished, the accuracy of a detection result under the conditions that the bonding pad background is complex and the bubble gray scale is uneven is greatly improved, and portability is high.
Owner:WUXI UNICOMP TECH

A method for distinguishing between Huaniu apple and American Red Delicious

The invention discloses a method for identifying Huaniu apple and American snake fruit. 2 H and oxygen isotope ratio δ 18 O, construct the training sample set of Huaniu apple and American red fruit, and calculate the hydrogen isotope ratio δ of water in the juice of the sample to be identified 2 H and oxygen isotope ratio δ 18 The measured value of O is compared with the training sample set and the type is identified. According to the characteristics that the hydrogen and oxygen isotope composition of the water of the fruit is only related to the hydrogen and oxygen isotopic composition of the water source in the growth process and the climate environment of the production area, the invention can quickly and effectively identify and distinguish the Huaniu apple and the American snake fruit, which is helpful for unknown Authenticity identification of origin samples; when the method of the present invention is applied, only the hydrogen isotope ratio δ of the samples to be identified is required 2 H and oxygen isotope ratio δ 18 The measured value of O is compared with the training sample set, the operation is simple, the feasibility is good, and the detection result is reliable.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES
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