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1864results about How to "Avoid false positives" patented technology
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Domestic multifunctional intelligent robot
InactiveCN103984315ARealize comprehensive applicationRealize organic integrationSpeech analysisCharacter and pattern recognitionCommunications systemControl system
A domestic multifunctional intelligent robot comprises a processing and control system and a plurality of functional subsystems, and the functional subsystems comprise the movement system, the data collection system and the communication system. The domestic multifunctional intelligent robot is characterized in that the movement system comprises a locating module and a driving module, the locating module is used for recognizing and locating the environment where the robot is located, and the driving module is used for controlling movement of the robot; the data collection system comprises a vision module, a voice module and a data collection module, the vision module comprises a camera used for collecting video images, and the voice module comprises a pickup used for collecting audio information; the communication system comprises a wireless communication module used for achieving telecommunication of the robot; the processing and control system comprises a processing module and a control module, the processing module is used for receiving data in the functional subsystems in real time and processing the data according to a preset algorithm, and the control module is used for issuing control instructions to all the functional subsystems based on the processing result to control the movement of the robot.
Owner:CHENGDU BESTVISION TECH
Detecting method and a device for fishing website
ActiveCN101534306AImprove the accuracy of judgmentQuick responseData switching networksSpecial data processing applicationsMisinformationUniform resource locator
The invention discloses a detecting method and a device for fishing website. The method comprises the following steps: detecting device obtains the final page information according to the received URL request; analyzing the final page information of the website; as the DOM tree structure and building the index for the label according to the final page information in DOM tree structure; extracting the characteristic of the final page information n the DOM tree structure according to the built index, traveling the pre-set characteristic database and matching the characteristic of the final page information and the referred characteristic in the database, outputting the referred characteristic; travelling the pre-set model database and finding the referred object in the model database according to the referred characteristic to confirm whether the website is the fishing website. The invention processes the detection for the page information by the website, which avoids the misinformation phenomenon in judging the page information to enhance the judging accuracy of the fishing website.
Owner:SHENZHEN TENCENT COMP SYST CO LTD
Vehicle driving safety monitoring method, device and system
ActiveCN105243838AReduce storage pressureHigh insecurity indexRoad vehicles traffic controlReservationsTime rangeIn vehicle
The invention discloses a vehicle driving safety monitoring method, a vehicle driving safety monitoring device and a vehicle driving safety monitoring system. The vehicle driving safety monitoring method comprises the steps of: determining a driving route range between a starting address and a destination address as well as a reasonable time range of arriving at the destination address by a taxi taking server according to the starting address and the destination address contained in a taxi booking request; sending an in-vehicle image acquisition command to vehicle-mounted intelligent equipment if the taxi taking server determines that vehicle position exceeds the driving route range or the vehicle driving time exceeds the reasonable time range according to driving data of a vehicle transmitted by the vehicle-mounted intelligent equipment, so that the vehicle-mounted intelligent equipment acquires in-vehicle image information and transmits the in-vehicle image information to the taxi taking server; comparing the in-vehicle image information acquired in the former period and the later period on the basis of the in-vehicle image information acquired after the vehicle-mounted intelligent equipment responds to the taxi booking request and a passenger gets on the vehicle; and sending alarm information to a safety monitoring server when determining that an unsafe index reaches a preset alarm threshold value, and notifying traffic police near the vehicle to vehicle to check or monitor the vehicle to ensure driving safety.
Owner:BEIJING QIHOO TECH CO LTD
Method and device for tracking crowds and counting pedestrian flow
The invention provides a method and a device for tracking crowds and counting pedestrian flow. The method includes acquiring real-time color images and depth images of scenes; preprocessing the images; carrying out difference operation on backgrounds of the depth images to obtain moving foreground depth images; detecting pedestrian head regions in the foreground depth images and dividing the pedestrian head regions from the foreground depth images; judging the head regions and removing non-head regions; matching and tracking pedestrian heads according to joint matching probability functions; creating head state spatial switching relational graphs to count the pedestrian heads. The method and the device have the advantages that the position of each pedestrian can be tracked and recorded by the aid of the method and the device, the speeds and the directions of the pedestrians in walking procedures can be computed, the crowds can be tracked under various conditions, and the pedestrian flow can be counted under the various conditions; the method and the device are free of influence of illumination conditions and illumination change; false alarm due to false objects can be filtered out; the device is stable in performance and high in speed, efficiency and accuracy.
Owner:NINGBO INST OF MATERIALS TECH & ENG CHINESE ACADEMY OF SCI
Android application vulnerability detection method and Android application vulnerability detection system
InactiveCN103984900AAvoid false positivesEfficient discoveryPlatform integrity maintainanceSQL injectionUniform resource identifier
The invention provides an Android application vulnerability detection method which comprises the following steps: 1, judging whether a privacy leakage vulnerability possibly exists or not by virtue of analyzing Content Provider interface characteristics of a to-be-detected Android application; 2, if the privacy leakage vulnerability possibly exists, performing an SQL (Structured Query Lanaguge) injection vulnerability test and a path traversal vulnerability test on a public accessible URI (Uniform Resource Identifier) of the to-be-detected Android application which possibly has the privacy leakage vulnerability by virtue of monitoring a related API (Application Program Interface) function in an Android system, and then detecting passive data leakage safety risks. The invention also provides an Android application vulnerability detection system. The method and the system can be used for rapidly discovering privacy leakage and data pollution vulnerabilities possibly existing in the Android application, avoiding misdeclaration, and providing a powerful support for discovering the privacy leakage and data pollution vulnerabilities in the Android application on a large scale.
Owner:南京赛宁信息技术有限公司 +1
Video-based airplane entry-departure parking lot automatic detection method
ActiveCN104966045AImprove detection efficiencyReduce computational analysis workloadImage analysisCharacter and pattern recognitionJet aeroplaneArrival time
The invention relates to a video-based airplane entry-departure parking lot automatic detection method. A video image of a monitoring area covering an airplane shutdown parking lot area is obtained, a motion object is identified and tracked, characteristic points of an image in a detection area are extracted and tracked in a matching manner, when the number of characteristic points meeting airplane entry or departure direction requirements in a certain number of continuous frames of the video image accords with a required quantity, a judgment about official entry or departure is further made, and when displacement of a characteristic point set is smaller than certain pixels and the motion object does not enter but continuously departs from an airplane shutdown parking lot area, it is determined that an airplane officially parks in place; and when the displacement of the characteristic point set is smaller than or equal to certain pixels and the motion object does not depart from but continuously enters the airplane shutdown parking lot area, it is determined that the airplane officially departs, wherein the detection area is a set are opposite to the airplane shutdown parking lot area on the video image. The method provided by the invention can realize round-the-clock intelligent detection of accurate arrival time of airplane flight and is quite high in detection accuracy.
Owner:北京天睿空间科技股份有限公司
Smog detection method and device based on video analysis
InactiveCN106897720AHigh alarm accuracyReduce false positivesImage enhancementImage analysisData acquisitionVideo image
The invention discloses a smog detection method based on video analysis. The smog detection method based on video analysis comprises steps of video image data acquisition, video image preprocessing, forward target extraction, flame static characteristic detection, flame dynamic characteristic detection, flame alarm decision, smog static characteristic detection, smog dynamic characteristic detection and smog alarm decision. The method is advantaged in that smog and flame are simultaneously detected in a combined static and dynamic characteristic mode, smog detection accuracy and stability are improved, operation complexity is further reduced, hardware realization is convenient, and the method can be applied to relatively complex environments.
Owner:JINAN JOVISION TECH CO LTD
Long-time stable human face detection and tracking method in bank scene and long-time stable human face detection and tracking device in bank scene
ActiveCN102750527AAvoid false positivesMake up for missed detectionImage analysisCharacter and pattern recognitionFace detectionPattern recognition
The invention provides a long-time stable human face detection and tracking method in a bank scene. The method comprises the following steps that a human face detection module is adopted for detecting human faces in a certain frame of image; a moving target detection module is adopted for detecting targets moving in several continuous frames; the human face frame credibility is calculated according on the basis of the results of the human face detection results and the moving target detection results; the human face frame with higher credibility is output to a target tracking module; the target tracking module adopts an area matching method for tracking the human face frame with higher credibility; and the target tracking module adopts the area matching method for tracking the human face frame with higher credibility. The invention also provides a long-time stable human face detection and tracking device in the bank scene. Through the method and the device, the human face in any angle can be detected in a video, the specific human face can be output, the more stable and more continuous human face image output can be realized, the error detection condition of human face detection is effectively avoided, and the condition of detection missing capability of the human face detection is overcome to a certain degree.
Owner:ZHEJIANG ICARE VISION TECH
Wireless fire fighting detector network based on ZigBee and control method
InactiveCN1710619AReduce complexityReduce power consumptionAlarmsNetworked systemWireless sensor networking
The system is composed of module of wireless communication network for fire fighting, wireless fire fighting gateway, and fire fighting controller. Including detector for fire fighting, relevant link gear, wireless communication module and wireless repeater for fire fighting, the said module of wireless communication network for fire fighting is in use for implementing collection and networked transmission for data of fire information. Connected to the fire fighting controller through cable, the gateway is connected to wireless communication network for fire fighting through a wireless communication module. Collecting data through wireless sensor network, the gateway receives polling and querying from controller. Receiving wireless fire fighting signal corrected by the gateway, the fire fighting controller outputs relevant processed signal based on different types of signal. Features are: adaptability, easy of installation, and low cost.
Owner:安徽雷森电子有限公司
Integrated control system for road junction traffic
InactiveCN101470955AGuaranteed reliabilityNo excessive congestionControlling traffic signalsBurglar alarm by openingControl signalStructure of Management Information
The invention relates to an intersection traffic comprehensive control system, wherein a statistical module is used to generate vehicle flow data of each traffic lane and each direction, a traffic light intelligent control module is used to generate vehicle stopping and queuing data of corresponding traffic lanes and directions, a vehicle speed detecting module is used to generate vehicle speed data, a snapshot control module is used to generate a snapshot control signal, a traffic light control module is used to receive each traffic light control instruction of a central processing module and to connect or disconnect a corresponding traffic light power supply circuit, the central processing module is used to receive information and data which is sent by other modules and devices and to control other modules and devices. The intersection traffic comprehensive control system has various control functions of monitoring the traffic conditions, controlling the traffic lights and shooting violation vehicles and the like, the functions of the system and the various devices which are controlled by the system are effectively exerted, the system structure is simplified, the investment is saved, and the system building and using are convenient.
Owner:AOCHENGTONGLI S&T DEV BEIJING
Partial discharge detecting system for all-fiber power transformer and detecting method thereof
The invention relates to a partial discharge detecting system for all-fiber power transformer and a detecting method thereof. The system comprises a controller, a transmission device and a detecting device. The detecting device comprises four groups of fiber bragg grating F-P ultrasonic sensors, optical fiber delayers are arranged between every two fiber bragg gratings, and the four groups of fiber bragg grating F-P ultrasonic sensors and a fluorescent probe are in serial connection on an optical fiber. The transmission device is connected with the detecting device through a through part. The controller is connected with the transmission device. In the calculation processing end, the partial discharge position can be calculated and determined through the time difference for the four groups of sensors to receive sound wave and by taking time division multiplexing time error into consideration. According to the strength of stimulated emission light signals of the fluorescent probe, the apparent discharge magnitude of the partial discharge is calculated. Through the comparison between the ultrasonic sensors and the signals of the fluorescent probe, whether the system is interfered by external environment to cause error judgment is judged. Furthermore, false alarm of the system is avoided. The partial discharge detecting system has the advantages of being simple in structure, facilitating networking, resisting to electromagnetic interference and the like.
Owner:STATE GRID CORP OF CHINA +1
Open-circuit fault detection method for three-phase inverter with phase-redundant fault-tolerant structure
InactiveCN103869208ASmall amount of calculationTolerate detection variable fluctuationsElectrical testingControl systemEngineering
The invention discloses an open-circuit fault detection method for a three-phase inverter with a phase-redundant fault-tolerant structure. The method comprises the following steps: normalizing a three-phase expected voltage to obtain a detection variable (dn) of the three-phase expected voltage; calculating to obtain a detection variable (an) according to an average value of an absolute value of the three-phase expected voltage; judging to obtain fault indications (Dn and An) through threshold values (km and kd) of the detection variable (dn) and the detection variable (an); searching and locating a switch tube having an open-circuit fault in a fault location table I according to the fault indications (Dn and An). Faults with three possibilities in the fault location table I can be further located by using a method of replacing a bridge arm, on which the switch tube determined to have the open-circuit fault is positioned, with a redundant fourth bridge arm. The method is applied to open-circuit fault detection of the three-phase inverter in a driving control system of an electric vehicle, at most 27 open-circuit faults can be detected, and an accurate basis is provided for fault-tolerant control and fault processing of the system.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Method and system for monitoring horizontal deformation of soil body in mined-out subsidence area and method for constructing system
InactiveCN102345472AAvoid false positivesImprove early warning efficiencyMining devicesUsing optical meansFiberStable state
The invention relates to a method and a system for monitoring horizontal deformation of a soil body in a mined-out subsidence area and a method for constructing the system. A fiber grating sensor network a(3) monitors the horizontal deformation of a soil body above a pipeline a(2) in real time, acquired data passes through an optical cable a(5) and an optical switch (6) and is demodulated by a fiber grating demodulation instrument (7) and transmitted to a lower computer (8), and the lower computer (8) calls a self-compiled program to control the optical switch (6) and the fiber grating demodulation instrument (7), so that the data is acquired and preprocessed; the preprocessed data is transmitted by a general packet radio service (GPRS) communication module a(9), received by a GPRS communication module b(10) and transmitted to an upper computer (11); and the upper computer (11) analyzes the horizontal deformation data of the soil body, and determines the stable state of the soil body in the mined-out subsidence area and the safety state of the pipeline according to the change of a monitoring curve and a monitoring numerical value.
Owner:PETROCHINA CO LTD
Sandbox detection alarming method and system based on main engine characteristic
InactiveCN104766011AMonitor and detect malicious program behaviorAvoid false positivesPlatform integrity maintainanceComputer engineeringVirtual hardware
The invention provides a sandbox detection alarming method and a sandbox detection alarming system based on main engine characteristic. The method is characterized by comprising following steps: inserting a virtual machine monitor between a user operating system and a computer hardware system, the virtual machine monitor offers a virtual hardware platform completely simulating the computer hardware system for the virtual machine, and the user operating system runs on the virtual hardware platform; tracking and detecting the main engine characteristic of the virtual system when unknown program to be detected runs on the virtual machine; recognizing the alarm level according to the tracking detection result of the main engine characteristic of the virtual system, generating alarm information being corresponding to the alarm level, and recording the unknown program to be detected in a log information mode. The sandbox detection alarming method and the sandbox detection alarming system based on main engine characteristic performs the unknown program to be detected in the virtual machine monitoring environment for finding rogue program and monitoring the entire attack life cycle of the rogue program.
Owner:STATE GRID CORP OF CHINA +3
Method for recognizing type of vibration source of tunnel, and vibration source positioning method
ActiveCN105510959AAvoid interruptions in the analysis processImprove reliabilityEarthquake measurementSeismic signal processingLongitudinal waveJoint analysis
The invention discloses a method for recognizing the type of a vibration source of a tunnel, and a vibration source positioning method. The method for recognizing the type of the vibration source comprises the following steps: setting distance setting monitoring regions in the tunnel at intervals, wherein four corners of each monitoring region are respectively provided with a triaxial vibration sensor; collecting X-axis, Y-axis and Z-axis acceleration analog quantities of the triaxial vibration sensor in real time through the triaxial vibration sensor, and converting the acceleration analog quantities into digital quantities; carrying out the calculation and analysis of the monitoring data of the triaxial vibration sensor: building a vibration triggering algorithm; filtering background noises, judging the focus direction through longitudinal and lateral stationing combined analysis, and measuring the distance of a focus through a difference point of transverse and longitudinal wave propagation; and finally achieving an effect of precisely determining the focus. The method provides strong technological guarantee for the early warning and quick response of power safety production.
Owner:康威通信技术股份有限公司
Anomaly monitoring method and device based on transaction data
ActiveCN106202389AAvoid false positivesImprove accuracyCommerceSpecial data processing applicationsTransaction dataE-commerce
The invention relates to the field of e-commerce and discloses an anomaly monitoring method and device based on transaction data. The anomaly monitoring method comprises the steps that real-time transaction data of a monitored object is acquired, the real-time transaction data includes at least trading volume per second (TPS); the TPS group grade in scale grades to which the monitored object belongs to according to theTPS of the monitored object; a success ratestatisticsperiod and a transactionsuccess ratethreshold value of the monitored object are determined according to the TPS group grade of the monitored object; statistics is conducted on real-time transactionsuccess rates within the success ratestatisticsperiod of the monitored object according to real-time transaction data of the monitored object; the real-time transactionsuccess rates are compared with the transactionsuccess ratethreshold value are compared, if the real-time transactionsuccess rates are smaller than the transactionsuccess ratethreshold value, it is determined that transaction data of the monitored object is abnormal. The method aims at improving the anomaly judging accuracy and efficiency and solving the problem that abnormal situation recording fails, is false or is delayed in the prior art.
Owner:CHINA UNIONPAY
Car collision detection method and device based on three-shaft acceleration sensor
ActiveCN104021601ASolve the problem of high misjudgment rate of collision detectionImprove computing efficiencyRegistering/indicating working of vehiclesCollision detectionClassical mechanics
The invention discloses a car collision detection method and device based on a three-shaft acceleration sensor; the method is as follows: collecting three shaft acceleration values once by the three-shaft acceleration sensor in every scheduled time; reading current three shaft acceleration values of a car, performing arithmetic average processing on predetermined times of three shaft acceleration values before the current three shaft acceleration values of the car, calculating the average value of the predetermined times of three shaft acceleration values on each shaft; calculating the difference values between the current three shaft acceleration values of the car and the average value corresponding to each shaft, and judging whether the car collision happens according to the difference values and threshold. The car collision detection method and device can effectively suppress influences caused by abnormal sudden beats during sensor sampling, effectively avoid detection misjudgment caused by angle difference of equipment installation, and effectively inhibit collision detection misjudgment caused by normal acceleration and deceleration, and is high in accuracy and low in misjudgment rate.
Owner:SHENZHEN APICAL TECH CO LTD
Solar cell assembly hot spot monitoring system and method based on unmanned plane
InactiveCN103605369AImprove intelligenceEfficiencyPosition/course control in three dimensionsMonitoring systemEngineering
The invention provides a solar cell assembly hot spot monitoring system based on an unmanned plane. The system comprises a flight control unit, an image acquisition unit, a main control unit and a temperature acquisition unit, wherein the image acquisition unit acquires solar panel image information and determines whether a fouling area exceeds a certain portion scope value, the temperature acquisition unit acquires solar panel temperature information and determines whether there is a local high temperature of a solar panel, and when the fouling area exceeds the preset portion threshold and the temperature information exceeds a preset temperature threshold, it is determined that a hot spot effect occurs; and the main control unit controls the unmanned plane to remain suspended high above the solar panel through the flight control unit, such that the hot spot effect monitoring accuracy can be improved, wrong reporting is prevented, the position of the solar panel with the hot spot effect can be found timely, a risk can be rapidly positioned, and the service life of the solar panel is substantially prolonged. Besides, the invention also provides a solar cell assembly hot spot monitoring method based on unmanned plane.
Owner:AEROSPACE SCI & IND SHENZHEN GROUP
Foreground segmentation method applied to mobile communication network transmission
InactiveCN104036490AReduce false positive rateReduce delivery pressureImage analysisClosed circuit television systemsThird partyImaging processing
The invention provides a foreground segmentation method applied to mobile communication network transmission and belongs to the field of image processing and communication network transmission. Five background templates with the shooting time intervals to be consistent with image acquisition intervals in the case of operation are pre-stored, and the former four background templates are used for fine detection in the case when a target is detected coarsely. The difference region area between the monitored image and the background image is calculated to judge whether a target enters, the image does not need to be transmitted when the target does not exist, the target region is segmented when the target exists, and the target region is only transmitted. The received target region is fused in the pre-stored background image by a server for video playing or image presentation. In a shooting mode, in order to prevent a passerby from being judged to be an obstacle, the target is set to be transmitted to the server only when the target is extracted by a third party according to the scene length, the human walking speed and the monitoring shooting frequency. Background replacement can be timely carried out after each time of segmentation cycle acquisition is finished, and interference caused by light and other environmental changes can be overcome in a slow transition way.
Owner:CHONGQING UNIV
Cancer gene mutation and gene amplification detection
ActiveCN104630375AAmplified equalizationImprove efficiencyMicrobiological testing/measurementDNA/RNA fragmentationMultiplexMedicine
The invention provides a primer set for simultaneously detecting mutation of a plurality of regions of two or more exons of one or more cancer drive genes in a sample on the basis of multiplex PCR (polymerase chain reaction) and high-flux sequencing techniques, a kit comprising the primer set, and a method for amplifying the cancer drive gene or detecting the cancer drive gene by using the primer set and / or kit. The mutation detection result can be used for instructing cancer clinic medication, auxiliary diagnosis or prognosis judgment on certain cancers.
Owner:北京圣谷智汇医学检验所有限公司
System and method for comprehensive pipe gallery management based on BIM
InactiveCN104880986AAccurate analysisRealize 3D visualization managementProgramme controlComputer controlComputer moduleData acquisition
The invention discloses a system and a method for comprehensive pipe gallery management based on a BIM. The system comprises a data acquisition module, an emergency processing module, an auxiliary management module, a daily maintenance module, and a device management module. The method comprises: using the data acquisition module to acquire environment state data of a comprehensive pipe gallery and medium state data in a gallery accessing pipe, using the emergency processing module to generate an emergency processing scheme when emergency occurs, using the auxiliary management module to perform archive management and data statistics on operating data of the comprehensive pipe gallery, and using the daily maintenance module and the device management module to perform daily maintenance. The system and the method realize three-dimensional visual management on the whole comprehensive pipe gallery, ensure security of the comprehensive pipe gallery and life and property safety of workers, and improve operating efficiency.
Owner:CHINA CONSTR UNDERGROUND SPACE
Buried point data reporting method and device and electronic device
ActiveCN108156006AGuaranteed performanceImprove accuracyWeb data indexingSoftware testing/debuggingData processingReal-time computing
The invention discloses a buried point data reporting method and device, an electronic device, two buried point data processing methods and devices, an electronic device and two buried data processingsystems. The buried point data reporting method comprises the steps of storing triggered buried points in a page into a to-be-sent buried point queue; performing dynamic sampling on the buried pointsin the buried point queue through a preset dynamic sampling algorithm to form a buried point data packet of the page when a preset condition is correct; and sending a buried point data processing request for the page to a server, wherein the buried point data processing request comprises the buried point data packet. By adoption of the method provided by the invention, multiple buried points in the buried point queue are subjected to dynamic sampling, buried point data are reported in batches, and transmission of excessive requests to the server is avoided; therefore, both reporting of enoughburied point data and guaranteeing of the client performance can be considered.
Owner:ALIBABA GRP HLDG LTD
Detection method and scanning engine of web pages
InactiveCN102739663AAccurate judgmentAvoid false positivesWeb data indexingTransmissionWeb siteEngineering
Owner:BEIJING QIHOO TECH CO LTD +1
Equipment state comprehensive dynamic alarming method based on multivariate probability model
ActiveCN101718634ARealize comprehensive evaluationAvoid false positivesMathematical modelsStructural/machines measurementThree levelTransient state
The invention relates to an equipment state comprehensive dynamic alarming method based on a multivariate probability model. Multivariate parameters representing individual equipment state during the equipment operation are used as a target sample set, the mapping of multivariate sample data to one-dimensional conditional probability density is realized through a Gaussian kernel function, contour line mapping of distribution of sample points positioned in a cluster boundary is obtained by using a 3 Sigma, an alarming line is a complex curved surface formed by enveloping contour lines of the boundary points and is updated continuously along with monitoring data, and an alarming model is dynamically adjusted, thereby realizing the self-adaptive adjustment of the alarming line along with the change of the equipment states. In the method, a law is searched in the development history of the equipment, the field conventional equipment states are divided into three levels, namely, normal state, abnormal transient state and failure state, change ranges of alarming thresholds of all states are respectively researched for laying the foundation for the comprehensive judgment of the equipment states.
Owner:XI AN JIAOTONG UNIV
Beta testing method and device
ActiveCN106484610AGuaranteed reliabilityGuaranteed robustnessSoftware testing/debuggingDistributed computingBeta testing
The invention provides a Beta testing method and device, wherein the method comprises the following steps of intercepting an online actual-occurrence user request according to the online real data flow between a user and an online environment, wherein the online real data flow is not influenced by the intercepting operation; and the online environment is a user-oriented software environment composed of published software versions; extracting related data obtained by processing of the intercepted user request by the online environment, wherein the online real data flow is not influenced by the extracting operation; sending the user request intercepted by the online environment to a Beta environment; by taking the user request as the input, obtaining related data obtained by processing of the user request by the Beta environment; and comparing respectively related data obtained by respective processing of the user request by the online environment and the Beta environment, and taking a comparison result as the basis for evaluating the software versions to be tested.
Owner:ALIBABA GRP HLDG LTD
Traffic illegal detection method based on vehicle tracking and system
InactiveCN106781520AEliminate distractionsImprove accuracyRoad vehicles traffic controlVideo monitoringVideo image
The invention relates to the technical field of the traffic illegal detection and in particular to a traffic illegal detection method based on vehicle tracking and a system. The method comprises the following steps: pre-building a vehicle 3D model according to monitoring video data of an actual road; and in the process of actual detection, marking and tracking the vehicle by using the vehicle 3D model, judging whether the vehicle has the traffic illegal act according to the video image data generated by the tracked vehicle. The method is capable of marking the vehicle by using the vehicle 3D model, and using the tracking mode to obtain the video monitoring data of the vehicle. Compared with the mass center and real line distance method of abundant foreground change, the method is capable of eliminating the interferences, such as vehicle tracking, blocking, pedestrian and non-motor vehicle, and improving the accuracy rate of traffic illegal act judgment.
Owner:无锡高新兴智能交通技术有限公司
3D machine visual forklift travelling auxiliary safety system and method
ActiveCN107031629ARealize follow-up tracking functionAvoid false positivesSafety devices for lifting equipmentsAutomatic initiationsInformation processingVisual perception
The invention discloses a 3D machine visual forklift travelling auxiliary safety system and method. The travelling state and peripheral operating environment of a forklift can be monitored in real time, and safety of personnel and assets in the forklift operation process is ensured. The system comprises an operating environment perceiving subsystem (1) formed by adopting a plurality of intelligent depth cameras as mains, a vehicle state monitoring subsystem (2) for collecting travelling states such as the speed, the posture and cornering of a vehicle, an output subsystem (3) for being connected with a vehicle power control assembly and controlling a braking control assembly, and an information processing subsystem (4) for logic control and intelligent judgment and recognition. According to the 3D machine visual forklift travelling auxiliary safety system and method, through the intelligent depth cameras and a plurality of sensors, the operating environment and the vehicle condition of the forklift are subjected to overall monitoring, obstacle detecting and warning can be provided, and through accurate recognition of personnel and objects, the functions of active personnel safety warning and controlling can be further achieved.
Owner:SHANGHAI UNIV
Method and equipment for reporting and processing fault information
InactiveCN104301136AAvoid false positivesImprove integrityData switching networksDevice failureComputer science
The invention discloses a method and equipment for reporting and processing fault information. According to the method and the equipment, on the basis of ensuring that user equipment faults can be located accurately, the fault information of user equipment can be reported more effectively, time for reporting the fault information of the user equipment is shortened, and the fault information of the user equipment can be reported in time. The method comprises the steps that logs of the user equipment are analyzed according to preset relevant parameters of the fault information, and the fault information can be obtained from the logs, wherein the preset relevant parameters of the fault information comprise fault keywords; according to the obtained fault information, fault files are generated and reported to a server, wherein the fault files comprise the fault keywords.
Owner:HISENSE VISUAL TECH CO LTD
Method and system for monitoring oil-gas pipeline in mining subsidence area and system constructing method
InactiveCN102345793AReveal Security WarningReveal collapse featuresPipeline systemsUsing optical meansRelative displacementGas pipeline
The invention discloses a method and a system for monitoring an oil-gas pipeline in a mining subsidence area and a system constructing method. The method comprises the following steps of: monitoring axial strain of a pipe body with a fiber grating strain sensor, monitoring pipe-soil relative replacement with a fiber grating displacement sensor, and monitoring horizontal deformation of a soil body with a fiber grating sensor; demodulating and preprocessing signals acquired by the sensors, and transmitting the signals to a remote monitoring center; further analyzing and processing data in the monitoring center, and computing horizontal deformation change of a soil body on the top of the pipe in the mining subsidence area, axial strain change of the pipe body and pipe-soil relative displacement change; judging the state stabilities of the pipe body strain change and the soil body strain change, and judging whether the data surpass threshold values; when three parameter values are smaller than respective threshold values, judging that the pipeline is in a safe state; and when the axial strain of the pipe body reaches 70 percent of a pipe body limit strain value, or a pipe-soil relative displacement value reaches a threshold value and keeps constant, or a horizontal deformation curve of the soil body changes suddenly, performing pipeline safety joint early-warning.
Owner:PETROCHINA CO LTD
Method and device for flexibly identifying residual current-type electrical fire on line
ActiveCN102354427AEliminate or indicate short circuit faultsAvoid Electrical Fire AccidentsFire alarm electric actuationEffective value measurementsInformation processingLow voltage
The invention relates to a method and device for flexibly identifying residual current-type electrical fire on line. The method comprises the following steps: arranging a residual current mutual inductor in a power transmission and supply circuit of a low-voltage power distribution system; obtaining an instantaneous value irz of lumped residual current in the circuit as well as waveform which areacquired by the mutual inductor through a power supply branch residual current and other signal detection unit; and according to the characteristics such as abrupt change, discontinuity and nonlinearity of a spot-heat agglomeration residual current instantaneous value ird, separating and extracting ird from irz by adopting a modern information processing technology, and calculating an effective value Ird of ird so as to identify whether potential electrical fire danger exists according to the size of Ird. The on-line identification device consists of three parts such as a residual current signal processing unit, the power supply branch residual current and other signal detection unit and an output execution unit. By adopting the residual current-type flexible on-line electrical fire identification method and device, the features of the potential electrical fire danger caused by electric arc grounding faults can be accurately extracted, normal residual current and abnormal residual current can be correctly identified, and alarm failure and false alarm can be avoided.
Owner:XIAN HIRATE NET ELECTRIC EQUIP CO LTD
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