Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
31results about How to "Accurate identification and positioning" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Distributed big data log link tracking method and system under micro-service architecture
ActiveCN112612675AImprove storage and retrieval query efficiencyReduce hardware costsHardware monitoringIp addressMicro services
The invention provides a distributed big data log link tracking method and system under a micro-service architecture. The method comprises the steps of: after receiving a calling request, enabling a micro-service module to judge whether the current micro-service module is called for the first time or not, and obtaining a trace ID and a span ID; judging whether the current service method is a service method called for the first time or not, and updating the span ID relationship in the call chain; caching the IP address of the server where the micro-service module is located, the name of the micro-service module, the name of the service method, the traceID, the spanID, the parentSpanID and the starting execution time information of the service method; executing a log tracking record according to the link log tracking mark, binding the log information with the calling link information and the micro-service module operation performance information respectively, and sorting the log information according to the calling link information; and binding the performance data operated by the micro-service module with the calling link information, compressing the sorted log records, sending the compressed log records to a log storage server, deleting cache data corresponding to the calling link, and releasing the memory space.
Owner:山东经伟晟睿数据技术有限公司
AGV (automatic guided vehicle) automatic charging device, system and method
InactiveCN108032759AImprove adaptabilityAccurate identificationCharging stationsElectric vehicle charging technologyButt jointImage processing
The invention discloses an AGV automatic charging device, system and method. The automatic charging method includes: a central processing module starts a visual module after receiving a charging instruction; the visual module shoots an image of a to-be-charged AGV vehicle; the central processing module processes the image of the AGV vehicle and positions a charging electrode of the AGV vehicle; amechanical motion module controls butt joint of a charging contact and the charging electrode of the AGV vehicle according to position information of the charging electrode of the AGV vehicle under the control of the central processing module; a charging module detects a charging state of the AGV vehicle and correspondingly charges the AGV vehicle; after the charging module detects that charging of the AGV vehicle is finished, a charging circuit is closed; the mechanical motion module controls the charging contact to separate from the charging electrode of the AGV vehicle and controls the charging contact to return to an initial position. The AGV automatic charging device, system and method have advantages that self adaptability of the AGV automatic charging device is improved, and the requirement on AGV vehicle parking accuracy is lowered.
Owner:上海玖锶自动化技术有限公司
Adaptive target detection method based on lightweight residual learning and deconvolution cascading
PendingCN112348036AEnhance expressive abilityAccurate identification and positioningCharacter and pattern recognitionNeural architecturesTraining data setsMachine learning
The invention discloses an adaptive target detection method based on a lightweight residual network and deconvolution cascading. The method comprises the following steps: obtaining an image training data set and a test data set; extracting the deep features of a to-be-detected image through a lightweight residual network in combination with deep separable convolution and residual learning to obtain the deep expression of a target; using 1 * 1 convolution to fixedly output feature map dimensions for the extracted feature maps of different levels; increasing the resolution of the deep-level feature map by using a deconvolution cascading structure so as to realize that the spatial size of the deep-level feature map is consistent with the spatial size of a previous-level feature map; guiding the candidate region generation network to adaptively generating a target candidate box which is more matched with the real target on the multi-scale feature map by utilizing the semantic features; andfinally, correcting the generated target candidate box Anchor. According to the method, the accuracy of target detection is effectively improved, the target can be rapidly and accurately detected under complex conditions, and the real-time performance of target detection is effectively improved.
Owner:BEIJING UNIV OF TECH
Target detection tracking method and device, storage medium and electronic device
PendingCN112465868AAccurate identification and positioningSolve the problem of poor target detection effectImage enhancementImage analysisRadiologyComputer vision
Owner:浙江华锐捷技术有限公司
Chess robot
PendingCN110180164AFill the gap in the marketReasonable price and costBoard gamesMechanical engineeringStent
The invention discloses a chess robot. The chess robot comprises a chessboard seat, a mechanical arm and a visual assembly; the chessboard seat comprises a chessboard seat bracket, and a chessboard area and a chess piece storage area are arranged on the upper surface of the chessboard seat bracket; the visual assembly comprises a camera and a camera bracket, the lower end of the camera bracket isfixedly installed on the chessboard seat bracket, and the camera is fixedly installed at the upper end of the camera bracket; and the mechanical arm comprises a small arm skeleton, a large arm skeleton, a tool end assembly and a mechanical arm bracket assembly, the mechanical arm bracket assembly is fixedly installed on the chessboard seat bracket, a first power mechanism for driving the large armskeleton to rotate is arranged on the mechanical arm bracket assembly, a second power mechanism for driving the small arm skeleton to rotate is arranged on the large arm skeleton, and the tool end assembly is fixedly installed at the free end of the small arm skeleton. The chess robot can better improve the experience degree and reduce the cost.
Owner:ZHUHAI G ROBOT TECH CO LTD
Large and small two-dimensional code mixed image landmark design method and unmanned aerial vehicle (UAV) landmark identification method
PendingCN110703807AAccurate identification and positioningSolve the lossPosition/course control in three dimensionsEngineeringLandmark
The invention discloses a large and small two-dimensional code mixed image landmark design method and a UAV landmark identification method. The large and small two-dimensional code mixed image landmark design method comprises the following steps that large and small two-dimensional code units which form a landmark are created, and each of the two-dimensional code unit includes only one corner witha white subunit; the size of the landmark is set, and 4 large two-dimensional code units and 4 small two-dimensional code units are selected to form a landmark image; the large and small two-dimensional code units are arranged in a 2*2 rectangular array manner; and the white subunits of the large two-dimensional code units are arranged in the right lower corner. The large and small two-dimensional codes of different sizes are used cooperatively, so that a UAV can be identified and positioned more accurately in a smaller landmark area within the identification range of 0.5m-5m, and the problems of visual information loss and too large landmark during positioning in the whole UAV landing process can be solved directly.
Owner:西安君晖航空科技有限公司
Converter fault diagnosis method based on kernel density estimation
InactiveCN109828168AThe principle is simpleReliable judgment of health statusElectrical testingCharacter and pattern recognitionSpectral density estimationDiagnosis methods
The invention relates to a converter fault diagnosis method based on kernel density estimation. The method comprises the steps of: performing pre-processing of collected data through cubic B-spline wavelet analysis based on a mallat algorithm to obtain samples with fault features; employing a KDE fault classifier to perform offline training to select better parameters of the fault classifier and accurately dividing the normal conditions and each type of fault condition included in the training samples, and using the better parameters into a classifier network to obtain the optimal parameters;implanting the classifier network with the optimal parameters into online simulation to perform real-time online monitoring fault diagnosis of an actual circuit; and allowing the classifier network with completion of optimal parameters to distinguish known fault type samples and normal samples, complete the location of the known fault types of faults and identify the unknown faults for achievementof circuit protection in a condition of generation of unknown types of faults. The converter fault diagnosis method based on kernel density estimation can determine the health condition of the converter more accurately and more reliably, and also can improve the efficiency of the fault diagnosis of the converter.
Owner:FUZHOU UNIV +1
Intelligent isolation switch equipment and electric energy meter operation state analysis method
ActiveCN112034411AWith power measurement functionMeasurement error level is adjustableElectrical measurementsControl engineeringPower grid
The invention discloses intelligent isolation switch equipment and an electric energy meter operation state analysis method. An intelligent isolation switch has an electric quantity measurement function, is adjustable in measurement error level, can be matched with electric energy meters with different precision, and can quickly confirm and locate the misalignment condition of the electric energymeters during operation state analysis of the electric energy meters. Automatic detection is achieved, intelligent power grid development is promoted, and intelligent power grid construction is effectively supported; identification and positioning are accurate; the identification time is short; an on-line identification mode is adopted, and manual intervention is not needed; electric energy meterswith different precision can be matched, and the intelligent isolating switch does not need to be replaced when the precision of the electric energy meters is improved subsequently; and the detectederror can be actively reported.
Owner:CHINA ELECTRIC POWER RES INST +1
Intelligent visual garbage sorting robot for building garbage
PendingCN113427473AHigh precisionRealize automatic identificationProgramme-controlled manipulatorGripping headsVisual perceptionEmbedded system
The invention discloses an intelligent visual garbage sorting robot for building garbage. The intelligent visual garbage sorting robot for the building garbage comprises a robot body, a visual area located at the front end of the robot body, a grabbing assembly located at the tail end of the robot body and a shell surrounding the robot body, and the grabbing assembly used for grabbing garbage is installed at the tail end of the robot body. Through a sensor in the visual area, the robot body in multi-axis connection and the grabbing assembly, automatic recognition is achieved, and meanwhile automatic following and garbage grabbing are achieved; and the intelligent visual garbage sorting robot for the building garbage is accurate in recognition and positioning and high in operation precision.
Owner:杭州视熵科技有限公司
Library book classification management device based on big data
InactiveCN112529123AQuick checkAccurate identification and positioningBook cabinetsCo-operative working arrangementsComputer hardwareBarcode
The invention discloses a library book classification management device based on big data, which comprises a moving mechanism, a lifting mechanism, a telescopic mechanism, a control mechanism, a support frame and a classification mechanism, and is characterized in that the moving mechanism is positioned on the upper side of the lifting mechanism, and the telescopic mechanism is positioned on the lifting mechanism; the control mechanism comprises a PLC, a color detection controller, a code scanning module, a color sensor and a touch screen, the PLC is installed at the front end of the supporting frame, and the color detection controller is installed at the front end of the supporting frame. According to the invention, the color detection controller and the color sensor are used for detecting different types of books according to the plurality of color bars attached to the two sides of the bookshelf, so that the positions of the required books can be quickly detected, and the PLC controller and the code scanning module are used for identifying bar codes attached to the side edges of the books, therefore, the books can be quickly and accurately identified and positioned.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG
Rice plant identifying and positioning device and method based on infrared sensors
InactiveCN109539984AAccurate identificationAccurate identification and positioningUsing optical meansTransplantingData processing systemRadiation sensor
The invention relates to a rice plant identifying and positioning device based on infrared sensors. The device comprises a connecting part, two mounting boxes, two seedling shifting parts, two sets ofinfrared radiation sensors, an infrared distance measuring sensor, a data processing system, and a power supply. The two mounting boxes are mounted on the left end and the right end of the connectingpart in a left-right symmetry mode. The two seedling shifting parts are fixed in the inner sides of the fronts of the two mounting boxes in a left-right symmetry mode. Each infrared radiation sensorcomprises a transmitting end and a receiving end which are separately mounted on the front side of one of the two mounting boxes. The infrared distance measuring sensor is mounted on the front side ofone of the mounting boxes. One set of infrared radiation sensors, the infrared distance measuring sensor, and the other set of infrared radiation sensors are sequentially arranged in order of high and low in the vertical direction. The invention further relates to a rice plant identifying and positioning method based on the infrared sensors. The device and method can accurately identify and position rice plants, have real-time and accuracy, and belong to the mechanical design and intelligent control technology of agricultural equipment.
Owner:SOUTH CHINA AGRI UNIV
Composite insulator and method for detecting brittle failure of composite insulator based on fiber gratings
ActiveCN112582114AReduce volumeImprove reliabilityForce measurement by measuring optical property variationThermometers using physical/chemical changesFiberComposite insulators
The invention provides a composite insulator, which comprises a core rod, a fitting, a sheath and an umbrella skirt, and further comprises at least two optical fibers positioned between the core rod and the sheath, the at least two optical fibers are fixed on the surface of the core rod, each optical fiber comprises a grating coverage area and a tail fiber. And a plurality of fiber bragg gratingsfor acquiring wavelength offset to judge brittle failure are arranged in the grating coverage area of each optical fiber along the length direction of the optical fiber. The invention also provides amethod for detecting brittle failure of the composite insulator based on the fiber bragg grating. The method comprises the following steps: acquiring wavelength offset of the fiber bragg grating; andjudging the brittle failure position and the brittle failure degree of the composite insulator according to the wavelength offsets measured by the fiber bragg gratings arranged at different positionson the surface of the core rod. According to the method, the brittle failure process of the composite insulator is early warned and monitored through the wavelength deviation value, the brittle failure process of the composite insulator can be efficiently, accurately and visually monitored in real time, and traditional routing inspection of the composite insulator can be replaced.
Owner:SOUTH CHINA UNIV OF TECH
Graph defect recognizing and positioning method based on latent Dirichlet allocation model
InactiveCN107424147AImprove recognition rateAccurate identification and positioningImage enhancementImage analysisCode bookHistogram
The invention discloses a graph defect recognizing and positioning method based on a latent Dirichlet allocation model. The method comprises a training phase and a testing phase. The training phase comprises a step of using the chaos theory to calculate pixel time series of trained images, extracting multiple characteristics, and forming chaotic feature vectors, wherein one trained image is represented by a chaotic feature vector matrix, a step of clustering all trained chaotic feature vector matrixes through a k-means clustering method, forming a code book, and then forming a primary histogram through the code book, and a step of learning the primary histogram through the latent Dirichlet allocation model to obtain advanced histograms, and representing the trained images by the advanced histogram. The testing phase comprises a step of representing a tested image by an advanced histogram 1, a step of calculating a level of similarity between the above advanced histogram 1 and the advanced histograms to judge the defect category and location of the tested image.
Owner:苏州珂锐铁电气科技有限公司
Dynamic monitoring system with radio-frequency identification
InactiveUS20220318586A1Improve efficiencyImprove accuracyTelevision system detailsColor television detailsDynamic monitoringRadio frequency
A dynamic monitoring system with radio-frequency identification includes a radio-frequency identification (RFID) tag, at least two radio-frequency identification (RFID) detectors and a processing device. The RFID tag is installed on a moving user. When the user enters a preset detection range, at least two RFID detectors detect the RFID tag and generate an identification signal, respectively. The processing device is coupled to at least two RFID detectors. The processing device generates a distance signal between the RFID tag and the at least two RFID detectors according to the identification signals and positions of the at least two RFID detectors. The processing device generates a positioning signal relevant to a position of the RFID tag within the preset detection range according to the distance signal.
Owner:SMART AUTOMATION TECH INC
A method and device for locating the lower collector of the quayside crane
InactiveCN107609510BAccurate identification and positioningTimely identification and positioningCharacter and pattern recognitionMarine engineeringComputer vision
The application aims to provide a positioning method of a container truck under a shore bridge and equipment. A shot image of the container truck under the shore bridge is acquired through a camera device mounted on a crossbeam of the shore bridge, and all pixel points in the shot image and positions thereof are determined; clustering processing is carried out on the shot image on the basis of atleast one preset initial clustering center point, all the pixel points and the positions thereof to obtain a clustering pixel region corresponding to each initial clustering center point; image binarization, image erosion and image expansion are sequentially carried out on the clustering pixel region, which corresponds to each initial clustering center point, to obtain a processed shot image; andat least one first communication region in the processed shot image is calculated, and screening and filtering are carried out on the first communication region to obtain a truck-head communication region of the container truck and a position thereof. Recognition and positioning can be accurately carried out in time on the container truck through carrying out recognition and positioning on the shot image, thus loading and unloading efficiency of a container is greatly improved, and then massive manpower costs are saved.
Owner:SHANGHAI MARITIME UNIVERSITY +2
Composite insulator and method for detecting brittle fracture of composite insulator based on fiber Bragg grating
ActiveCN112582114BReduce volumeImprove reliabilityForce measurement by measuring optical property variationThermometers using physical/chemical changesFiberComposite insulators
The invention provides a composite insulator, including a core rod, a metal fitting, a sheath and an shed, and also includes at least two optical fibers located between the core rod and the sheath, and at least two of the optical fibers are fixed on the core rod On the surface, each of the optical fibers includes a grating coverage area and a pigtail, and in the grating coverage area of each of the optical fibers, a plurality of devices for obtaining the wavelength offset to judge the brittle fracture are arranged along the length direction of the optical fiber. Fiber Bragg Grating. It also provides a method for detecting the brittle fracture of the composite insulator based on the fiber Bragg grating, including obtaining the wavelength shift of the fiber Bragg grating; judging the composite insulator according to the measured wavelength shift of the fiber Bragg grating arranged at different positions on the surface of the mandrel. The brittle fracture location and brittle fracture degree. The invention uses the wavelength offset value as an early warning to monitor the brittle fracture process of the composite insulator, can monitor the brittle fracture process of the composite insulator efficiently, accurately and intuitively in real time, and can replace the traditional inspection of the composite insulator.
Owner:SOUTH CHINA UNIV OF TECH
Target Image Recognition Transmission Line Status Monitoring System Based on Visual Attention Mechanism
InactiveCN102638013BImprove status detection accuracyImprove image recognition efficiencyClosed circuit television systemsApparatus for overhead lines/cablesGeneral Packet Radio ServiceAutomatic control
Owner:CHENGDU SENYUAN SWITCH
Intelligent leakage detection device for welding spot of refrigerator compressor room
PendingCN111250906AAvoid situations such as leaving the factory unqualifiedImprove stabilityProgramme-controlled manipulatorWelding/cutting auxillary devicesProduction lineControl system
The invention relates to the field of leakage detection, and in particular relates to an intelligent leakage detection device for a welding spot of a refrigerator compressor room. The intelligent leakage detection device is characterized by comprising a control system and a sensing and execution system, wherein the control system comprises an industrial personal computer, a PLC connected to the industrial personal computer and a mechanical arm controller, and the PLC is electrically connected to the mechanical arm controller; the sensing and execution system comprises an image collection trigger, a welding spot image collector, a mechanical arm trigger, a mechanical arm, an encoder and leakage detection equipment; the welding spot image collector and the mechanical arm are arranged on oneside of a production line driving belt in sequence on the conveying direction of a production line, the image collection trigger corresponds to the welding spot image collector in position, and the mechanical arm trigger corresponds to the mechanical arm in position; the encoder is arranged on the production line driving belt; and the leakage detection equipment is used for obtaining the detectionon and off signals of the industrial personal computer to complete the welding spot detection of the refrigerator compressor room, judge whether a leakage point exists and feed back the leakage pointinformation to the industrial personal computer. The intelligent leakage detection device effectively reduces the omission ratio, improves the production efficiency, and reduces the labor cost.
Owner:南京英格伯格智能装备有限公司
Device for mode recognition and positioning
PendingCN107331017AAccurate identificationAccurate identification and positioningIndividual entry/exit registersSensing by electromagnetic radiationMedicineEngineering
Owner:北京开席科技有限公司
A portable medicine box packing transport and unpacking and stacking device
ActiveCN112722367BDraw quickly and accuratelyNeatly stackedArticle unpackingCharacter and pattern recognitionRobot handEngineering
Owner:JIANGSU UNIV
Recognition and positioning method and system based on backlight module and multi-template matching
PendingCN113837291AAccurate identification and positioningEasy to operateCharacter and pattern recognitionTemplate matchingImage based
The invention provides an recognition and positioning method and system based on a backlight module and multi-template matching. The method comprises the following steps: carrying out image collection on a target area based on an image collection module to obtain a to-be-recognized sole image; performing image smoothing processing on the to-be-recognized sole image through an image processing module to obtain template contour information of the to-be-recognized sole image; and matching in a preset sole template library based on the outline information of the to-be-recognized sole image template to obtain sole information corresponding to the outline information of the to-be-recognized sole image template. In the automatic production of the shoemaking industry, after the products are fed into the backlight module, the products of different models can be quickly and accurately recognized and positioned by utilizing a machine vision algorithm, cooperating with the backlight module and adopting a multi-template matching algorithm, the operation is simple, and the technical cost is low.
Owner:知守科技(杭州)有限公司
Airborne pine wood nematode and withered tree detection high-resolution spectral imaging camera and method
PendingCN114266978AReduce testing costsImprove detection efficiencyGeometric image transformationCharacter and pattern recognitionHigh resolution imagingPinewood nematode
The invention discloses an airborne pine wood nematode and withered tree detection high-resolution imaging spectrum camera and method. The imaging spectrum camera comprises an RGB camera and three industrial cameras which face the same direction. On the basis of combining spectral characteristics of pine wood nematode withered trees, optical filters with the wave band width of 30 nm on the 545 nm wave band and the 750 nm wave band and optical filters with the wave band width of 14 nm on the 670 nm wave band are selected; after the obtained grayscale images of the three wavebands are subjected to waveband alignment, the reflectivity is converted, a complete image is obtained, and the pine wood nematode dead tree can be displayed in a highlight mode; compared with a hyperspectral detection scheme using 4nm spectral resolution in all wavebands in the prior art, the method has the advantage that the detection cost of the withered pine wood nematode trees is remarkably reduced. In addition, an industrial camera with higher spatial resolution is used, and detection of large-area pine wood nematode dead trees can be completed at the high altitude of 600 m.
Owner:HANGZHOU DIANZI UNIV
Intelligent welding and leakage-detecting device for refrigerator press cabin pipeline
PendingCN111230245AAvoid situations such as leaving the factory unqualifiedCode of PracticeMetal working apparatusSoldering auxillary devicesProduction lineIcebox
The invention relates to the field of welding and leakage-detecting, in particular to an intelligent welding and leakage-detecting device for a refrigerator press cabin pipeline. The intelligent welding and leakage-detecting device is characterized by comprising a welding system, a leakage-detecting system and a code, wherein the coder is arranged on a production line conveyor belt; the welding system comprises a first industrial controller, a first PLC and a first mechanical arm controller, which are connected to the first industrial controller, a first image acquisition trigger, a welding position image acquirer, a first mechanical arm trigger, a first mechanical arm and welding equipment; and the leakage-detecting equipment comprises a second industrial controller, a second PLC and a second mechanical arm controller, which are connected to the second industrial controller, a second image acquisition trigger, a welding point image acquirer, a second mechanical arm trigger, a second mechanical arm and leakage-detecting equipment. The intelligent welding and leakage-detecting device can improve welding quality, improves production efficiency and reduces labor cost.
Owner:南京英格伯格智能装备有限公司
Aerial image, imaging area recognition and positioning method and device
InactiveCN102801892BQuick identification and positioningAccurate identification and positioningPictoral communicationAerial imagingEngineering
The invention relates to a method for identifying and positioning an aerial image and an imaging region. The method comprises the following steps: conveying a film, namely conveying the film to a film carrying mechanism through a film conveying mechanism; judging a blank clearance of the film, namely continuously detecting a film imaging region and a blank position during conveying and running through a plurality of light density sensors, and judging whether the blank clearance of the film exists; judging a set size of the film, namely continuously detecting whether the film meets the set size of the film through a photoelectric encoder; and feeding back an in-place state of the film, namely when the blank clearance of the film is detected to exist in the film blank clearance judging step, and if the size of the film meets the set size of the film in the film set size judging step, sending a film in-place state feedback signal to a control unit. Based on the technical scheme, aims of quickly and accurately identifying and positioning the aerial image and the imaging region can be fulfilled.
Owner:中国人民解放军海军装备研究院信息工程技术研究所
An infrared imaging and concentration detection device and method for methane gas leakage
ActiveCN111562055BAccurate identificationAccurate identification and positioningDetection of fluid at leakage pointMaterial analysis by optical meansOptical axisGas leak
An infrared imaging and concentration detection device and method for methane gas leakage, the device includes an infrared thermal imager and a laser methane detection module. The infrared thermal imager is used for infrared imaging of the required monitoring area to find methane gas leakage points; the laser methane detection module is aligned according to the leakage points found by infrared imaging, and measures the methane concentration. The laser methane detection module is embedded in the infrared thermal imager, the laser beam emission direction of the laser methane detection module is adjusted to be consistent with the optical axis direction of the infrared thermal imager, and the two communicate with each other to realize data interaction. The invention combines infrared thermal imaging technology for methane gas leakage detection with laser methane detection technology, and at the same time realizes non-contact large-area rapid search for methane leakage points and quantitative detection of methane gas concentration, which is more efficient than the existing single detection device and accurate quantitative comprehensive detection.
Owner:北京富吉瑞光电科技股份有限公司
Risk identification method and device for public opinion data, computer equipment and storage medium
PendingCN113642881AAccurate identification and positioningImprove prevention capabilitiesDatabase queryingResourcesEngineeringRisk rating
The invention relates to the field of data monitoring, and discloses a risk identification method and device for public opinion data, computer equipment and a storage medium, and the method comprises the steps: obtaining public opinion data collected from a platform; identifying the public opinion data, and extracting feature information of the public opinion data; obtaining grade division of each piece of feature information from a feature database based on big data pre-collection, and matching a score value corresponding to the feature information according to the grade division of each piece of feature information; acquiring influence weights of the feature information, wherein the influence weights of the feature information are obtained based on historical public opinion data and risk marks of the historical public opinion data and through training of a machine learning algorithm; calculating a negative risk level of the public opinion data according to the influence weight of the feature information and the corresponding score value; and outputting the negative risk level of the public opinion data. The public opinion data can be accurately positioned, and the efficiency and accuracy of public opinion data risk identification are improved.
Owner:PINGAN INT SMART CITY TECH CO LTD
Tracking shooting system
PendingCN114500873AAccurate identification and positioningGuaranteed target tracking effectTelevision system detailsColor television detailsComputer visionComputer graphics (images)
The invention relates to a tracking shooting system which comprises a management platform, a panorama camera and a detail camera, the panorama camera and the detail camera are connected with the management platform, the panorama camera is connected with the detail camera, and the management platform is used for calling the panorama camera and the detail camera to shoot a tracking target when receiving a shooting trigger signal; the panoramic camera is used for shooting the tracking target when the detail camera does not recognize the tracking target, acquiring position information of the tracking target and sending the position information to the detail camera; and the detail camera is used for carrying out tracking shooting on the tracking target and identifying the tracking target again based on the position information when the tracking target is not identified. By adopting the method, the tracking target can be identified and positioned more accurately, so that the tracking video is smooth and not blocked, and the target tracking effect is ensured.
Owner:ZHEJIANG DAHUA TECH
Recognition and detection method, device and equipment for macular area of fundus image
ActiveCN112991343BAccurate identification and positioningEasy to identifyImage enhancementImage analysisOphthalmologyImage pair
The present application relates to a method, device and equipment for identifying and detecting the macular area of a fundus image. The method includes: reading the current fundus image to be detected; using a target detection model to detect the macular area in the fundus image; For the macular area in the image, the optic disc area in the fundus image is detected, and the macular area is identified and positioned based on the detected optic disc area; based on the positioning result of the macular area, the macula corresponding to the macular area is extracted from the fundus image Image; multimodal processing is performed on the macular image, and the images obtained by the multimodal processing are fused to obtain a fused image, and whether the macular area is qualified or not is detected according to the fused image. It realizes the identification and positioning of the macular area by comprehensively considering the positional relationship between the macular area and the optic disk area. Compared with the macular area positioning method based on deep learning, which only relies on the labeling of the macular area, the identification of the macular area in fundus images is more accurate.
Owner:BEIJING ZHENHEALTH TECH CO LTD
Power distribution terminal operation data management system
PendingCN112928817AEasy to identify automaticallyAccurate identification and positioningCircuit arrangementsControl engineeringData acquisition
The invention discloses a power distribution terminal operation data management system. The power distribution terminal operation data management system comprises a data acquisition module, a mobile terminal, an intelligent terminal, a control module and a data management module, the data acquisition module is in communication connection with the mobile terminal, the intelligent terminal is in communication connection with the mobile terminal, the control module is connected with the control module, and the data management module is connected with the control module. In the power distribution terminal operation data management system, the arranged mobile terminal is small in size and convenient to carry during cross-regional operation, various power distribution devices can be conveniently and automatically identified, and the current power distribution equipment is quickly and accurately identified and positioned, so that the data of the power distribution equipment can be classified and sorted according to different types of information, the sorting efficiency is improved, and the dynamic characteristics of various partial differential equation description systems are adapted through the distribution parameter model.
Owner:南京优尚文化传播有限公司
Recognition and positioning method of straight circle/circular straight point in flat curve in road linear information
ActiveCN107741217BAutomate detectionRealize automatic detectionCharacter and pattern recognitionProfile tracingNODALData set
The present invention provides a method for identifying and locating straight circles / round straight points on flat curves in road linear information, which is characterized in that it includes the following steps: S1: Obtaining data of a test vehicle running on the road through a vehicle-mounted measuring device and inputting it into a computer, The driving data includes heading angle data, driving instrument data, and the driving trajectory data is calculated; S2: Candidate node identification is carried out through the improved K-means cluster analysis method; S3: The heading angle data map is obtained by drawing, and the candidate nodes Mark on the corner data graph; S4: take the node located in the transition section as a reference point, remove the M sample data before and after the candidate node, so that the data group is cut off and divided into several approximately straight-line parts; S5: the cut off segment Carry out linear fitting; S6: Extend each fitting line segment and make it intersect, and the intersection point is a straight circle or a straight point of a circle. The invention can solve the key problem of road level curve measurement and improve the efficiency and accuracy of road measurement.
Owner:FUJIAN AGRI & FORESTRY UNIV
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com