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Human face recognition system and recognition method
InactiveCN101059838AGood technical effectConfirm in timeCharacter and pattern recognitionTelevision systemsDual coreRecognition system
The invention relates to a face recognize system, comprising a network interface module, a dual-core chip SOC module connected with the network interface module, a CPLD address code, a DDR2 high-speed operation memory, and an external program memory, or even with a hard disk with an IDE. The dual-core chip module is connected with the high-speed operation memory via a data bus. The CPLD address code via an EMIF bus is connected with the external program memory NAND Flash or connected with the IDE hard disc too. And the whole system is powered by a power module. The recognize method comprises video code compression, pretreatment, motion check, face positioning, organ positioning, normalizing, character extraction, face comparison, and data communication. The invention has the advantages in high recognize rate and high recognize speed, strong data processing ability, better compatibility with prior detect network, stable operation, easy upgrade and maintenance, with low cost.
Owner:湖北东润科技有限公司
Monitoring method and device, computer device and storage medium
InactiveCN109873717AEasy accessIdentify abnormal problems in timeData switching networksComputer networkBusiness requirements
The invention is applied to the field of system resource monitoring, and discloses a monitoring method and device, a computer device and a storage medium, by which the monitoring information of abnormal nodes can be conveniently obtained, and the abnormal problem of the abnormal nodes can be timely determined. The method comprises the following steps of acquiring a business request according to apreset acquisition rule, wherein the business request refers to a request sent by acquiring a business demand or a business service from a business system; generating a link identifier and a hierarchical identifier corresponding to the service request; performing link marking on each link node on the calling link according to the link identifier; marking the hierarchical relationship of each linknode on the calling link according to the hierarchical identifier; and acquiring monitoring information of each called node of the calling link corresponding to the service request according to the link identifier and the hierarchical identifier marked by each link node.
Owner:ONE CONNECT SMART TECH CO LTD SHENZHEN
Gateway device and data processing method
InactiveCN103701694AReduce data volumeReduce congestionHybrid transportNetwork connectionsCommunication interfaceCommand and control
The invention relates to a gateway device and a data processing method, in particular to a gateway device and a data processing method used in an intelligent building control system. The gateway device is provided with a user communication interface for communicating with a user, a terminal-side communication interface for communicating with a terminal node, a memorizer for storing data related to equipment, and a processor for analyzing and processing data and user commands and controlling data interaction, wherein when receiving the data acquisition commands from the user through the user communication interface, the processor analyzes commands and checks whether the data stored in the memorizer meets specified requirements, if yes, the processor directly sends the data back to the user, otherwise, the processor asks for new data from the terminal node through the terminal-side communication interface and sends the new data acquired from the equipment back to the user.
Owner:HITACHI LTD
Mobile communication system interference investigation method and device
ActiveCN103906109AImplementation of interference checkingRealize automatic collectionWireless communicationInvestigation methodsEngineering
The embodiment of the invention provides a mobile communication system interference investigation method and device, and relates to the field of communication. By means of the method and device, automatic data collection and statistics from the network side can be achieved, and interference cell pairs and interference level are determined in time. The method comprises the steps that a measurement report MR reported by a terminal is obtained, wherein the MR comprises identifications of main service cells in all cells, signal strength information of the main service cells, identifications of other cells and signal strength information of other cells; the number of MR total sampling points of all main service cells is calculated according to the identifications of the main service cells, the number of invalid covering sampling points of other cells to the main service cells in the same MR sampling point is obtained, the number of the invalid covering sampling points is compared with the number of MR total sampling points to obtain the ratio of the invalid covering sampling points, and further if the main service cells and other cells are interference cell pairs is judged according to the ratio of the invalid covering sampling points. The mobile communication system interference investigation method is used for investigating the interference cell pairs.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Method, device, server and system for live broadcast and live broadcast state monitoring method
ActiveCN106331739AConfirm live broadcast statusConfirm in timeSelective content distributionContent distributionBroadcast service
The invention discloses a method, a device, a server and a system for live broadcast and a live broadcast state monitoring method. A live broadcast client sends audio data and / or video data to a content distribution network server for live broadcast; and during the live broadcast process, the live broadcast client sends an online confirmation signal repeatedly to a service server with a predetermined cycle. Thus, through building communication between the live broadcast client and the service server, the service server can timely determine the live broadcast state of the live broadcast client according to the received online live broadcast confirmation signal condition, and according to the live broadcast state of the live broadcast client, related live broadcast service is executed.
Owner:ALIBABA (CHINA) CO LTD
Dangerous article intelligent identification method and system and dangerous article security inspection system
ActiveCN110163191AImprove recognition efficiencyReduce the difficulty of identificationCharacter and pattern recognitionNuclear radiation detectionMachining systemComputer science
Owner:BEIJING HANGXING MACHINERY MFG CO LTD
Wheelchair safety monitoring device and monitoring method
InactiveCN106933157AEnsure Mobile SecurityEnsure safetyProgramme controlMeasurement devicesWheelchair userWireless data
The invention provides a wheelchair safety monitoring device which comprises a wheelchair state detection module, an environment sensing module, an emergency distress button, an anti-fall module, a main control module, a positioning module, a wireless data sending module and an alarm module. According to the invention, the wheelchair safety monitoring device is introduced into a wheelchair system, so that the wheelchair system can simultaneously monitor the wheelchair state and the surrounding environment state; the wheelchair state and the surrounding environment state are judged to ensure the wheelchair movement safety; a one key distress function is convenient for a user to given out an alarm for help; an alarm function is convenient for people around to help the wheelchair user in time; a positioning function is convenient for determining the specific location of the user in time; a multi-directional data receiving terminal can remotely monitor the wheelchair user to ensure the safety of the wheelchair user; and the living habits of the user can be known through cloud platform monitoring data, so that the user can be better served.
Owner:WUHAN UNIV OF TECH
An Internet-based On-line Diagnosis and Treatment System
InactiveCN102270269AImprove work efficiencyReduce the time required for diagnosis and treatmentTransmissionSpecial data processing applicationsSatelliteWeb server
The invention discloses an internet-based online appointment diagnosis and treatment system. The system includes: a doctor's work terminal, a patient's work terminal, and a reservation server; the doctor's work terminal and the patient's work terminal perform data communication with the reservation server through a Web server; the doctor's work terminal and the patient's work terminal are respectively equipped with input devices and display device; the reservation server carries out data communication with the mail server, the letter server and the short message server in the station respectively; the mail server carries out data communication with the doctor work terminal and the patient work terminal respectively through the Web server; Carry out data communication with the doctor's work terminal and the patient's work terminal respectively; the short message server carries out data communication with the mobile phones of doctors and patients through mobile base stations or satellites. Advantages: Improve the work efficiency of doctors and reduce the time required for patients to see a doctor.
Owner:DALIAN YICHUANG TIANDI TECH DEV
weighted Markov landslide early warning method based on system clustering
PendingCN109919234AOvercoming the inadequacies of non-universalConfirm in timeCharacter and pattern recognitionInterference resistanceLandslide
The invention discloses a weighted Markov landslide early warning method based on system clustering. The method comprises the following steps: collecting a displacement speed data sequence of a certain monitoring point; dividing the n initial sample speed data sequences into n equal parts; calculating the distance between the speed data of the initial node by adopting a gravity center method; drawing a displacement speed state system clustering tree; determining an initial probability vector of the model; solving a model autocorrelation coefficient; obtaining a probability distribution vectorof the future state of the m-order weighted Markov prediction; judging whether landslide early warning should be carried out or not; updating the data; and landslide early warning effect analysis andsample capacity optimization. The landslide early warning method starts from reasonable selection and description of landslide criteria, gives consideration to timeliness, interference resistance andcredibility of early warning, explores a new landslide early warning method, and provides a scientific means for accurate and timely implementation of landslide early warning.
Owner:LIAONING TECHNICAL UNIVERSITY
Transformer monitoring system and monitoring method
InactiveCN107121612ATimely failure typeImprove accuracyTesting dielectric strengthTransformers testingLow voltageEngineering
The invention discloses a transformer monitoring system and monitoring method. The monitoring system comprises a transformer, a power supply module supplying 220V voltage to the transformer, a low-voltage side voltage acquisition module, a high-voltage side voltage acquisition module, a gas chromatogram monitoring module, a microprocessor, a communication module, a multi-frequency ultrasonic sensor and a database, wherein the gas chromatogram monitoring module is used for detecting the content of total hydrocarbons in methane and acetylene in transformer oil; the multi-frequency ultrasonic sensor detects the transformer oil and acquires different ultrasonic parameters at multiple frequencies; the microprocessor is used for receiving the ultrasonic parameters acquired by the multi-frequency ultrasonic sensor and determining the operation state of the transformer. According to the monitoring system and the monitoring method, the transformer is detected with a gas chromatogram detection technology, a multi-frequency ultrasonic detection technology and other technologies, the fault diagnosis accuracy is improved, and the fault type of the transformer can be timely analyzed.
Owner:HEFEI LIYUANJIE INFORMATION TECH CO LTD
Monitoring system based on solar wireless sensing nodes
ActiveCN103297509AAccurate discoveryAccurately determineBatteries circuit arrangementsNetwork topologiesData informationStructure of Management Information
The invention relates to a monitoring system based on solar wireless sensing nodes, and belongs to the technical field of agricultural protection. The monitoring system comprises a server, a monitoring terminal, a mobile monitoring unit, a network transmission module and wireless sensing network nodes, wherein the server is responsible for receiving and storing data information transmitted by the wireless sensing network nodes through the network transmission module, the network transmission module, the server, the monitoring terminal and the mobile monitoring unit are connected bidirectionally in sequence, and the wireless sensing network nodes include mobile nodes and static nodes. A solar power supply module is adopted for the wireless sensing nodes, information of intruded creatures is positioned and collected through the wireless sensing network nodes, animal types are discovered and determined accurately and timely, relevant processing can be performed, and the system is simple and feasible in structure, electric-energy-saving, safe, pollution-free and suitable for large-scale popularization and application.
Owner:嘉兴佳斯贝特新材料有限公司
A delivery system and a method thereof based on an unmanned aerial vehicle and an electronic tag
PendingCN109255576AConfirm in timeCo-operative working arrangementsSatellite radio beaconingLogistics managementElectronic tagging
The invention discloses a delivery system based on an unmanned aerial vehicle and an electronic tag and a method thereof. The system comprises the unmanned aerial vehicle, which is provided with a wireless communication module for wireless communication when the data is uploaded or given between the unmanned aerial vehicle and a logistics platform, a navigation module that receives the planned route information sent by the logistics platform and navigates; an electronic tag which is installed on the open type receiving box, and contains the tag information; a card reader connected to the wireless communication module, wherein the information on the read electronic tag is sent to the logistics platform through the communication module, and the logistics platform compares the information onthe read electronic tag with the goods delivery address and the electronic tag number filled by the user in the logistics platform. When the authentication is correct, the goods on the unmanned aerialvehicle fall into the open receiving box to complete the delivery. According to the invention, when the user is not at home, the goods can be directly delivered to the user's home or the user's designated place, and the user can confirm his goods through the mobile phone in time, and the invention is efficient and accurate.
Owner:黄冠铭
Railway intrusion foreign matter unmanned aerial vehicle detection method, device and system based on deep learning
PendingCN114248819AFlexibleImprove efficiencyCharacter and pattern recognitionRemote controlled aircraftEngineeringForeign matter
The invention discloses a deep learning-based railway intrusion foreign matter unmanned aerial vehicle detection method and system. The method comprises the steps of S1, acquiring video image data, collected by an unmanned aerial vehicle, along a to-be-detected railway in real time; s2, detecting whether a foreign matter exists in the video image data by using a deep learning-based target detection model, and when the existence of the target foreign matter is detected, turning to execute a step S3; s3, the railway clearance in the target video frame with the target foreign matter is extracted, the railway clearance is the clearance where the foreign matter is not allowed to invade on the railway, and whether the target foreign matter invades the railway clearance or not is judged according to the detected position state of the target foreign matter. The method has the advantages of being simple in implementation method, high in detection precision and efficiency, wide in detection range, flexible and the like.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
Cell capacity optimizing method, device, apparatus, and computer storage medium
ActiveCN109526027AConfirm in timeImprove accuracyNetwork traffic/resource managementData switching networksCapacity optimizationCell type
The invention discloses a cell capacity optimizing method, a device, apparatus, and a computer storage medium. The cell capacity optimizing method comprises of: obtaining a plurality of sets of key data related to the cell load of a plurality of cells in the area to be optimized in a plurality of network public opinion data; determining a target cell in a plurality of cells in which the cell loadis to be in a congested state according to the plurality of sets of key data and the plurality of network public opinion data; optimizing the capacity of the target cell according to the cell type towhich the target cell belongs. According to the embodiment of the present invention, the target cell in which cell load is to be in a congested state can be predicted according to the network public opinion data, thereby performing capacity optimization on the target cell in time.
Owner:CHINA MOBILE GRP FUJIAN CO LTD +1
Vehicle collision monitoring method, device and equipment, and computer readable storage medium
ActiveCN112744174AImprove forecast accuracyImprove limitationsPedestrian/occupant safety arrangementCharacter and pattern recognitionTarget ResponseSimulation
The invention discloses a vehicle collision monitoring method. The method comprises the steps: obtaining the streaming media data of a to-be-monitored target vehicle, and carrying out preprocessing of the streaming media data, and obtaining target monitoring data; performing feature engineering processing on the target monitoring data to obtain feature monitoring data of the streaming media data; obtaining judgment annotation information of the feature monitoring data and establishing a judgment rule; and monitoring the target vehicle according to the judgment labeling information and the judgment rule to obtain collision monitoring information of the target vehicle and a target response scheme corresponding to the collision monitoring information. The invention further discloses a vehicle collision monitoring device and equipment, and a computer readable storage medium. According to the invention, the vehicle collision is monitored based on the streaming media data, the limitation of the existing vehicle collision monitoring technology is solved, and the prediction accuracy of the vehicle collision is improved.
Owner:深圳广联数科科技有限公司
Method and device for controlling household equipment, computer equipment and storage medium
PendingCN111654420AAvoid working hoursAvoid loadSpeech recognitionHome automation networksControl engineeringSpeech sound
The invention relates to the technical field of computers, and provides a method and a device for controlling household equipment, computer equipment and a storage medium, which are used for improvingthe efficiency of controlling the household equipment. The method comprises the steps of obtaining a voice control instruction, wherein the voice control instruction is used for indicating to start aworking mode; in an equipment information set, determining first household equipment which is in an on state and has a time interval between a starting moment and a current moment less than or equalto a preset time length, the equipment information set comprising equipment information of at least one household equipment in the on state, and the equipment information comprising an equipment starting moment; determining that the first household equipment has a working mode corresponding to the voice control instruction according to the voice control instruction; and controlling the first household equipment to execute a working mode corresponding to the voice control instruction.
Owner:GREE ELECTRIC APPLIANCES INC +1
Method for on-line monitoring of preparation of copper indium gallium selenide absorption layer
ActiveCN105514218AImprove crystal qualityImprove performance and yieldFinal product manufacturePhotovoltaic energy generationCopper indium gallium selenide solar cellsScattered light
The invention discloses a method for on-line monitoring of preparation of a copper indium gallium selenide (CIGS) absorption layer. In a growing process of the CIGS absorption layer, an incandescent lamp is adopted to irradiate a surface of a substrate all the time, a change of the intensity of scattered light from the surface of the substrate is detected through a photosensitive sensor, a change of crystal quality of a surface of a CIGS thin film can be easily monitored on line, not limited by the area of the absorption layer, a transition point of a thin film component from poor copper to rich copper can be judged timely and accurately, the component proportion (Cu / (In+Ga)) in a process of deposition of the CIGS absorption layer is indirectly monitored and controlled, the CIGS absorption layer which is uniform and has relatively high crystal quality is prepared, and the performance and rate of finished products of CIGS thin film solar cells are improved. The CIGS absorption layer can be prepared on a rigid or flexible substrate, and the method provided by the invention can be applied to a laboratory deposition process of the CIGS absorption layer, and can also be used for preparation of a large-area CIGS thin film.
Owner:CHINA ELECTRONIC TECH GRP CORP NO 18 RES INST
Distributed fiber-based geomembrane breakage leakage quantity monitoring system and monitoring method
InactiveCN110596182AStrong data continuityLow production costVolume measurement apparatus/methodsMaterial heat developmentHeating systemProcess engineering
The invention discloses a distributed fiber-based geomembrane breakage leakage quantity monitoring system. The distributed fiber-based geomembrane breakage leakage quantity monitoring system comprisesa seepage system, a heating system and a DTS system, wherein the seepage system comprises a model groove and a water supply system, an embankment dam sectional model and a geomembrane are arranged inthe model groove, the water supply system is used for providing seepage for the embankment dam sectional model, the heating system is used for providing a hot source for the embankment dam sectionalmodel, the DTS system comprises an optical fiber, DTS demodulation equipment and an industrial personnel computer which are sequentially connected, the industrial personnel computer is used for acquiring and analyzing temperature and corresponding position information of the optical fiber, a part of the optical fiber is arranged on the geomembrane, and the other part of the optical fiber is arranged in the geomembrane breakage leakage model. The invention also discloses a distributed fiber-based geomembrane breakage leakage quantity monitoring method. The data monitored by the method is high in continuity, the seepage condition of the whole dam can be reflected, a breakage position and seepage quantity of the geomembrane can be deducted according to a temperature change rule of the opticalfiber, and the distributed fiber-based geomembrane breakage leakage quantity monitoring system and method can be used in actual engineering.
Owner:XIAN UNIV OF TECH
Method and apparatus for digital video de-interlacing and its field sequence detection
ActiveCN1878282AConfirm in timeAccurately determineHigh-definition television systemsDigital videoMotion field
The invention relates to a field sequence checking method used in digit video intersection solution and relative device. Wherein, it needs to collect the sum of pixel difference absolute values (SAD) used in field sequence check and select the minimum SAD value as SADMin; judges if the field sequence of SADMin is the motion field, when the result is yes, based on the position PosMin of SADMin to judge if there is copy field represented periodically, and when the result is yes, confirming the received field sequence is folded field sequence. The invention can improve the image quality when playing video flow.
Owner:BEIJING VIMICRO ARTIFICIAL INTELLIGENCE CHIP TECH CO LTD
Method and equipment for VM (Virtual Machine) migration
ActiveCN103516554ARecover in timeAvoid interruptionData switching networksVirtual machineReal-time computing
The invention discloses a method and equipment for VM migration. The method comprises the following steps: a CFM is configured on a VSI (Virtual Station Interface) corresponding to a VM of an EVB (Edge virtual Bridging) edge switch; the VLAN (Virtual Local Area Network) of the CFM is a specified VLAN corresponding to the flow of the VM; when the EVB edge switch receives a CCM message sent to the VSI by equipment between the EVB edge switch and a user network, and when the specified VLAN is carried in the CCM message, a link between the EVB edge switch and the user network is determined to be normal; when the EVB edge switch does not receive the CCM message sent to the VSI by the equipment between the EVB edge switch and the user network within in a preset time, the link between the EVB edge switch and the user network is determined to be faulted, information of the link fault between the EVB edge switch and the user network is informed to the VM, and the VM informs a VM management center to trigger the VM, so as to perform virtual machine migration. In the embodiment, the VM can be triggered in time to perform virtual machine migration, and the interrupt for accessing VM service by the user network is avoided.
Owner:NEW H3C TECH CO LTD
Emotional interaction lighting system
ActiveCN111901943AImprove the level of intelligenceRealize emotional interactionElectrical apparatusEnergy saving control techniquesPhysicsLighting system
The invention relates to an emotional interaction lighting system, belongs to the technical field of lighting systems, and solves the problem of blank related technologies of emotional interaction lighting systems. The system comprises: an information acquisition module used for acquiring sound and images of a target person; an information identification module which is used for identifying the acquired sound and image to obtain sound information, expression information and action information of the target person; and a processing control module which is used for analyzing the sound information, the expression information and the action information of the target person to obtain an emotional state of the target person, and controlling lamplight and auxiliary equipment to make response feedback according to a corresponding emotional response strategy based on the emotional state of the target person. According to the system, emotional interaction between people and the lighting system is realized, and the intelligence level of life is improved.
Owner:FUDAN UNIV +1
Token processing method and device, computer equipment and storage medium
The invention relates to a token processing method and device, computer equipment and a storage medium. The method comprises the following steps: receiving a token and corresponding token information, and pre-checking the validity of the token through the token information; under the condition that the validity pre-verification of the token succeeds, request permission is carried out according to the token, and the request permission comprises the steps that validity verification of the token is carried out through a back-end server, and an error code is output under the condition that the validity verification of the token fails; under the condition that the error code is received, whether an ongoing token refreshing request exists or not is judged, and the token refreshing state is changed according to a judgment result; and determining whether the token is successfully refreshed or not according to the token refresh state. By adopting the method, the permission requesting efficiency between the client and the back-end server can be improved.
Owner:SUZHOU LANGDONG NET TEC CO LTD
Adjacent region interference determination method and device
InactiveCN103987079AImprove accuracyReduce implementation complexityWireless communicationEngineeringStart up
The invention discloses an adjacent region interference determination method and device. The method comprises the steps that a centralized node obtains a first adjacent region measurement result reported by each base station, wherein each first adjacent region measurement result is obtained by conducting adjacent region measurement on each measurement frequency point after the corresponding base station is started up; the centralized node determines adjacent region interference relation information of each base station according to the first adjacent region measurement result reported by each base station, wherein the adjacent region interference relation information records interference adjacent regions of the base stations. Due to the fact that the base stations, instead of UE, directly conduct adjacent region measurement, the interference adjacent regions can be determined in time, and accuracy of determining the interference adjacent regions is improved. Due to the fact that the base stations directly conduct adjacent region measurement, the phenomenon that a plurality of pieces of UE report different measurement results for the same adjacent region can be avoided, and the implementation complexity for determining the interference adjacent regions is reduced; in addition, the adjacent region interference relation of each base station is determined by the centralized node, and centralized management and maintenance of the adjacent region interference relations are achieved.
Owner:CHINA ACAD OF TELECOMM TECH
Fog lamp and method for improving traveling safety in fog area
InactiveCN106016066AGood winImprove clarityPlanar light sourcesElectric circuit arrangementsEngineeringAnti-fog
The invention relates to the technical field of road anti-fog, in particular to a fog lamp and a method for improving driving safety in foggy areas. The fog lamp used in the method at least includes a lamp body (100) having a light-emitting surface (110) and a reflective surface (120). ) towards the front of the vehicle, and the reflective surface (120) towards the rear of the vehicle. By setting the fog lamps through the method of the invention, the blind area is small and the anti-fog effect is good.
Owner:SENGLED OPTOELECTRONICS
Mask wearing monitoring method, electronic equipment and readable storage medium
PendingCN112395967AAvoid the influence of complex backgroundHigh precisionImage enhancementImage analysisHuman bodyComputer graphics (images)
The invention discloses a mask wearing monitoring method, electronic equipment and a readable storage medium, and the method comprises the steps: sequentially inputting each frame of image collected by a camera into a pre-trained human body target detection model, extracting a human body target region in the image, and obtaining a target image; respectively inputting each target image into a pre-trained mask wearing detection model, and detecting the mask wearing condition in each target image; tracking all the human body targets which do not wear the mask and do not correctly wear the mask ineach frame of image acquired by the camera by adopting a DSST algorithm until the human body targets correctly wear the mask; in the process of detecting the wearing condition of the mask, the influence of a complex background in a public scene is avoided, and the detection accuracy is greatly improved; and meanwhile, a large frame image is converted into a small target image for layering processing, so that the detection speed is relatively high.
Owner:HUAZHONG UNIV OF SCI & TECH
Sound box control method and system and server control method and system
PendingCN111726383AConfirm in timeAccurately determineSpeech recognitionTransmissionComputer hardwareControl system
The invention provides a sound box control method which comprises the steps: obtaining voice information which is used for indicating the implementation of a target function; obtaining a state list, wherein the state list comprises state information of the multiple electronic devices, and the state information is used for representing whether the electronic devices are connected with the target network or not; sending the state list and the voice information to a server, so that the server can send a control instruction to a target device capable of realizing a target function according to thestate list and the voice information, and the target device is one or more of the plurality of electronic devices. The invention further provides a control method for the server, a control system forthe loudspeaker box, a control system for the server and a computer readable storage medium.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1
Video recording method and device of multi-camera equipment, storage medium and terminal
ActiveCN112073642AImprove smooth performanceConfirm in timeTelevision system detailsColor television detailsComputer graphics (images)Engineering
The invention discloses a video recording method and device for multi-camera equipment, a storage medium and a terminal, and the method comprises the steps: respectively transmitting a video recordingrequest to a plurality of specified cameras when a condition that a set condition is met is detected, so as to enable the specified cameras to report image data according to the received video recording request, wherein the focal lengths of the plurality of specified cameras are different, and the set condition comprises any one of the following conditions: a video starting request is received, and the configured zoom magnification exceeds a set focal length; receiving image data reported by the plurality of specified cameras; and acquiring image data adaptive to the configured zoom magnification from the image data reported by the plurality of specified cameras as target image data. According to the scheme, when the camera is switched, the fluency of the picture can be improved.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD
Method for determining blast furnace proper wind opening diameter
The invention provides a method for determining the blast furnace proper wind opening diameter. The method comprises the steps of determining the relation between the diameter of a furnace cylinder and the wind opening cycling area depth; deriving the blast furnace optimal cycling area depth formula; through a wind opening sampling machine, detecting the blast furnace wind opening cycling area depth L, and calculating the corresponding blast furnace blast kinetic energy E; conducting statistics on the mathematic relation graph between L and E, through regression analysis of the relational graph, obtaining the relation formula between L and E, and substituting the formula into the blast furnace blast kinetic energy E formula to obtain the corresponding optimal wind opening area f and the diameter R. The defect that the blast wind opening diameter is not matched with the smelting condition or the furnace cylinder diameter can be effectively overcome, and the criterion and the standard are provided for guiding bottom adjustment for the blast furnace. The ton iron fuel consumption is reduced while the blast furnace stable direct motion is ensured.
Owner:ANGANG STEEL CO LTD
Forecasting system based on 4G water level video recognition
InactiveCN111829614AConvenient flood relief measuresConfirm in timeIndication of weather conditions using multiple variablesMachines/enginesMonitoring siteEngineering
The invention discloses a forecasting system based on 4G water level video recognition, and belongs to the technical field of water level monitoring. The system comprises a video acquisition module and a distance measurement module; the output ends of the video acquisition module and the distance measurement module are electrically connected with the input end of a sorting module, and the output end of the sorting module is electrically connected with the input end of a comparison module. According to the forecasting system based on 4G water level video recognition, through the distance measurement module, the video acquisition module, a rain gauge, an anemometer, an analysis and prediction module and a display module, the distance measurement module and the video acquisition module can monitor the water level at a monitoring point in real time, meanwhile, the rainfall duration and rainfall in rainy days are integrated to predict the fluctuation of the water level, and the influence ofthe wind speed on water level monitoring can be judged in combination with the local wind speed, so that the influence of the wind speed on a water level monitoring result can be reduced to a certainextent, fluctuation of the water level can be predicted, and related personnel can take corresponding flood discharge and rescue measures in time conveniently.
Owner:武汉世纪水元科技股份有限公司 +1
Monitoring system and monitoring method for transformer
InactiveCN107238783ATimely failure typeImprove accuracyAnalysing fluids using sonic/ultrasonic/infrasonic wavesComponent separationLow voltageEngineering
The present invention discloses a monitoring system and a monitoring method for a transformer. The monitoring system comprises a transformer, a power supply module for supplying a 220V voltage to the transformer, a low-voltage-side voltage acquisition module, a high-voltage-side voltage acquisition module, a gas chromatography detection module, a microprocessor, a communication module, a multi-frequency ultrasonic sensor, and a database. The gas chromatography detection module is used for detecting the content ratios of methane and acetylene relative to the total hydrocarbon in the transformer oil. The multi-frequency ultrasonic sensor is used for detecting the transformer oil and acquiring a plurality of groups of ultrasonic parameters different in frequency. The microprocessor is used for receiving ultrasonic parameters acquired by the multi-frequency ultrasonic sensor and determining the running state of the transformer. According to the monitoring system and the monitoring method, the detection of the transformer is conducted based on the gas chromatography detection technology, the multi-frequency ultrasonic detection technology and the like. Therefore, the accuracy of fault diagnosis is improved, and the fault type of the transformer can be timely analyzed.
Owner:HEFEI TONGYOU ELECTRONICS TECH CO LTD
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