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42results about How to "Solve misidentification" patented technology
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Hierarchical multi-source data fusion method for pipeline linkage monitoring network
InactiveCN101539241AImprove accuracyAccurate removalCharacter and pattern recognitionPipeline systemsLevel dataBasic probability
The invention discloses a hierarchical multi-source data fusion method for a pipeline linkage monitoring network, which comprises the following steps: carrying out data level preprocessing for various primary linkage detection signals acquired by a sensor at a common node of the monitoring network by using wavelet transformation, and extracting leakage-sensitive characteristic parameters; establishing a characteristic level data fusion model based on an ant colony neural network, processing the leakage characteristic parameters extracted by various sensors on the node, and constructing an elementary probability assignment function of evidence according to the output result of the ant colony neural network; and carrying out evidence synthesis at a cluster-head node according to an evidence combination rule, and making final decisions according to a maximum trust value method. The invention provides the hierarchical multi-source linkage detection data fusion method from the data level and characteristic level to decision level, and solves the multi-source data processing problem of the pipeline linkage monitoring network; and the method utilizes the linkage detection information acquired by various sensors in the network so as to effectively improve the accuracy rate of leakage identification.
Owner:BEIHANG UNIV
Fast get-in and get-out toll collection system for highway and working method of fast get-in and get-out toll collection system
InactiveCN104361646ARealize non-parking chargesIn line with the concept of consumptionTicket-issuing apparatusTraffic capacityPayment
The invention discloses a fast get-in and get-out toll collection system for highway and a working method of the fast get-in and get-out toll collection system. The fast get-in and get-out toll collection system comprises a network payment platform, a highway entrance server, a lane camera, a lane controller, a fast gateway, a service management server, a database server and a highway exist server, wherein the highway entrance server and the highway exist server have functions of automatically identifying license plate and vehicle model information, and also have a function of manually inputting the license plate information, namely a function of manually inputting the number of a license plate by virtue of a keyboard or a mouse. The fast get-in and get-out toll collection system for highway disclosed by the invention can be used for realizing non-stop electronic toll collection of the highway by virtue of prepayment electronic payment means. A prepayment account is opened within several minutes by virtue of a network way, so that the trend of the internet finance is satisfied, the consumption concept of a car owner, especially a young car owner, is satisfied, and the popularization is easy. All entrances and exits of an MTC (manual toll collection system) of the highway have fast traffic capacity with non-stop electronic toll collection. The fast get-in and get-out toll collection system for highway disclosed by the invention can be used for saving a great deal of IC (integrated circuit) acquisition expenses of the highway.
Owner:DALIAN MARITIME UNIVERSITY
Three-lane detection method based on image morphological segmentation and region growing
InactiveCN105160309AImprove anti-interference abilityImprove environmental adaptabilityImage enhancementImage analysisGray levelMorphological segmentation
The present invention relates to a three-lane detection method based on image morphological segmentation and region growing. The method comprises: a method for, by using a shape of a lane mark and a relative gray level of a roadway, performing segmentation on the lane mark by means of image morphology; a method for fitting a vanishing point by using a weighted least square method; and a method for forming a region of interest (ROI) of the lane mark by a region growing method and iteratively searching for a feature point of the lane mark. According to the three-lane detection method based on image morphological segmentation and region growing, aimed at the problem of perception of a vehicle-mounted visual system of an intelligent vehicle to a multi-lane road in a process of driving on the urban structural multi-lane road, a method of carrying out image morphology preprocessing and carrying out iterative solution on the lane mark is adopted to adapt to a multi-lane environment. The method is novel in algorithm, high in adaptability, relatively high in illumination robustness, small in computation amount and easy to implement by programming, so that a module of the vehicle-mounted visual system is improved, and the efficiency and environmental adaptability of an intelligent vehicle environment sensing module are further improved.
Owner:BEIJING UNIV OF TECH
Complicated equipment acoustic fault recognition and location method
InactiveCN103822793AAccurately identify acoustic faultsSolve misidentificationStructural/machines measurementFeature extractionData description
The invention discloses a complicated equipment acoustic fault recognition and location method. The method comprises steps of carrying out data pre?processing and fault feature extraction on vibration signals of a single sensor in a distributed equipment monitoring network, using a within-class between-class distance as an evaluation function of genetic algorithm and optimally selecting characteristic parameters sensitive to a fault, building single-value classifier?models based on support vector data description for initial fault recognition through training a normal class sample set, and constructing a basic probability?assignment?function of?an evidence according to output information of fault classifiers of different measurement points, adopting an evidence combination rule to combine an evidence set and making a decision result. The invention provides an equipment acoustic fault recognition and location method with vibration information hierarchically-converged, a recognition technology in a multi-feature comprehensive analysis mode is adopted, vibration information of different measurement points is made full use of, a strong generalization ability is provided, and the problem that precise mathematical?modeling is hard to be built for fault recognition and location due to complicated structure of the equipment can be solved.
Owner:BEIJING UNIV OF POSTS & TELECOMM
A method for automatically identifying the opening pin defect of a transmission line
PendingCN109255776AReduced search computationImprove inspection efficiencyImage enhancementImage analysisAlgorithmFeature recognition
The invention provides a method for automatically identifying the opening pin defect of a transmission line, which comprises the following steps: an image of the transmission line is obtained; then, the pixel coordinates of the insulator region in the image are obtained by using the trained shared convolution neural network to detect the transmission line map; at that pixel of the insulator region, a feature recognition algorithm is used to detect whether the connector split pin is defective or not according to the coordinates. The program can automatically identify the working condition patrol image, and automatically locate the defect position of the patrol pin in the image for the operator to judge, improve the patrol efficiency and ensure the safe and stable operation of the transmission line.
Owner:CHINA ELECTRIC POWER RES INST
Parking payment system and parking payment method
ActiveCN111178291ALow costRealize consumptionImage enhancementImage analysisEmbedded systemPayment order
The invention discloses a parking payment system, which is characterized in that a vehicle owner terminal registers on a parking platform, logs in a platform account and opens an ETC payment functionof a specified license plate number; a toll collection system comprises a license plate recognition camera and a control server, the license plate recognition camera monitors the motion condition of avehicle on a lane, captures a vehicle head when finding that the vehicle is about to enter a parking area, acquires a vehicle image, performs image recognition on the vehicle and a license plate, generates a license plate number and sends the license plate number to the control server; the control server calculates the parking duration according to the vehicle parking time and generates a parkingfee payment order, and the control server sends the license plate number and the payment order to the parking platform for ETC payment; and the parking platform matches the license plate number withthe platform account, judges whether the platform account corresponding to the license plate number opens an ETC payment function, and judges whether the license plate number is in an ETC blacklist.
Owner:北京筑梦园科技有限公司
Skin recognition method based on saliency detection
InactiveCN104392211AImprove accuracySolve misidentificationCharacter and pattern recognitionProbability mappingFace skins
The invention discloses a skin recognition method based on saliency detection. The skin recognition method comprises performing face recognition and saliency detection on an image to be detected to obtain a face skin region, calculating the face skin region to obtain an average skin color and a skin color probability mapping table, and finally, performing skin color recognition on the image to be detected according to the skin color probability mapping table and obtaining the result map of the skin color probability of the image to be detected; the skin recognition method has the advantages that the collection of huge training data is avoided, the recognition result is not affected by the deviation of the training data, and as saliency detection is performed, non-skin regions in the face region can be excluded, and therefore, the accuracy of recognition is higher and the problem of misrecognition due to that the image to be detected is too bright or too dark is overcome.
Owner:MEITU
License plate character global recognition method based on deep learning model
InactiveCN107085723AImprove recognition rateSolve misidentificationCharacter and pattern recognitionChinese charactersNetwork model
The invention provides a license plate character global recognition method based on a deep learning model. The license plate character global recognition method comprises the steps of: step a, performing vehicle detection to obtain a target vehicle, and determining an entire license plate detection region by means of the target vehicle; step b, performing detection in the entire license plate detection region to obtain a license plate region; step c, and performing global recognition on the license plate region by means of a deep neural network model, wherein the deep neural network model comprises four convolutional layers and two full-connection layers which are connected in sequence, the last full-connection layer comprises seven branches, and the branches correspond to Chinese characters, letters, numbers or identifiers on license plate numbers separately. The license plate character global recognition method improves the license plate character recognition rate through introducing the deep learning model for global recognition, and overcomes the error recognition problem caused by the dependence and result uncertainty when a traditional license plate recognition method needs to segment license plate characters.
Owner:ENC DATA SERVICE CO LTD
Tennis ball positioning system, method and device based on visual identification
InactiveCN108074265ALow costSolve misidentificationImage enhancementImage analysisImage extractionUltrasonic technology
The invention discloses a tennis ball positioning system and method based on visual identification. The system comprises an image extraction unit, a segmentation unit, an extraction unit and a positioning unit which are sequentially connected, wherein the image extraction unit is used for extracting image information in a field; the segmentation unit is used for receiving the image information andprocessing the image information; the extraction unit is used for extracting the outline of a tennis ball in a processed image, and the positioning unit is used for acquiring coordinates of the tennis ball; the segmentation unit comprises a filtering module, a conversion module, a searching module and a screening module. Based on a novel tennis ball identification and positioning principle, binocular vision is used for identifying the tennis ball and positioning the tennis ball, the problem of false identification caused by the adoption of laser radar and the ultrasonic technology is solved,and the hardware cost is reduced on the premise that the identification accuracy and the positioning precision are ensured.
Owner:思博赛睿(北京)科技有限公司
Method for cleaning solar photosphere bright spot in astronomical image
InactiveCN105404897ASolve misidentificationStrong anti-noise abilityCharacter and pattern recognitionImaging processingPrincipal component analysis
The present invention relates to a method for cleaning a solar photosphere bright spot in an astronomical image and belongs to the fields of astronomical technique, image processing and data mining. The method comprises the steps of: firstly, identifying a bright spot by using a method that combines a Laplacian filter and morphological dilation and tracking the bright spot by using a method of three-dimensional communication; then, extracting a plurality of eigenvalues, with a low correlation. of the bright spot, and after the eigenvalue data is standardized, performing dimension reduction according to a contribution rate by using a principal component analysis method; and finally, cleaning the bright spot data subjected to dimension reduction by using a DBSCAN method so as to remove a non-bright spot structure. According to the method for cleaning the solar photosphere bright spot in the astronomical image provided by the present invention, it is unprecedented and effective to apply the DBSCAN method to cleaning the solar photosphere bright spot data, and the method largely solves the problem of error identification existing in a traditional identification method of solar photosphere bright spot. Meanwhile, more accurate bright spot data is cleaned for small-scale magnetic field researches and further researches on problems such as corona heating.
Owner:KUNMING UNIV OF SCI & TECH
Operation maintenance instruction execution method based on natural language voice interaction, medium and terminal
PendingCN109727592AImprove recognition accuracyEasy to operateSpeech recognitionData switching networksThe InternetOperation mode
The invention relates to an operation maintenance instruction execution method based on human-machine natural language voice interaction, a storage medium and a mobile terminal and belongs to the technical field of internet. Because the method comprises a voice awakening process and a voice identification process, Chinese natural sentences obtained by identification are utilized and converted intopinyin character strings, the pinyin character strings are further matched with an operation maintenance manipulation regular expression set, and a corresponding operation maintenance instruction isexecuted according to a matched operation maintenance manipulation regular expression. Because the operation maintenance manipulation regular expression set comprises regular expressions which can bematched with general natural language sentences with operation maintenance instructions in a pinyin way, the related natural languages can be effectively identified, and the problem of machine identification errors caused by Chinese polyphonic characters is solved; the technical requirements for workers are reduced, the accuracy of identifying the operation maintenance instructions is improved, the operation mode of an operation maintenance system is effectively simplified, and the operation maintenance working efficiency is improved.
Owner:SHANGHAI HODE INFORMATION TECH CO LTD
Abnormal driving behavior identification method
ActiveCN112512890AGood scalabilitySolve misidentificationRoad vehicles traffic controlBiological neural network modelsReal-time computingBehavior recognition
The invention relates to the field of automatic driving, and discloses an abnormal driving behavior identification method and system, and a vehicle comprising the system, the abnormal driving behavioridentification method comprises the following steps: obtaining vehicle driving behavior data, and determining whether the vehicle is in a suspicious abnormal driving behavior state based on the vehicle driving behavior data; if the vehicle is in the suspicious abnormal driving behavior state, obtaining current vehicle driving scene data; judging whether the suspicious abnormal driving behavior isan abnormal driving behavior or not according to the vehicle driving behavior data and the current vehicle driving scene data; according to the technical scheme of the invention, the current drivingscene information is introduced into the recognition process of the abnormal driving behavior of the vehicle, and the recognition accuracy of the abnormal driving behavior is improved.
Owner:HUAWEI TECH CO LTD
Recognition method and device for real plane in image and mobile terminal
PendingCN109785444AImprove recognition efficiencyImprove accuracyImage analysisPattern recognitionComputer terminal
The invention discloses a recognition method and device for a real plane in an image and a mobile terminal, and belongs to the technical field of computer application. The method comprises the following steps of: obtaining a sample; obtaining a pixel coordinate collected by a depth camera and a corresponding depth value; calculating world coordinates according to the pixel coordinates and the depth values; A random sampling consistency algorithm is adopted to carry out segmentation calculation on the world coordinates, a real plane in the image is extracted, and image information does not needto be prepared in advance during real plane recognition, so that the recognition efficiency of the real plane is effectively improved, the problem of image false recognition is avoided, and the accuracy of image recognition is improved.
Owner:SHENZHEN AUGMENTED REALITY TECH CO LTD
Vein recognition method and related product
ActiveCN110298261AHigh precisionImprove user experienceSubcutaneous biometric featuresBlood vessel patternsVein matchingImage acquisition
The embodiment of the invention discloses a vein recognition method and a related product. The method comprises the steps of obtaining a first vein image of a first to-be-recognized part; performing first vein matching based on the first vein image to obtain a first matching value; determining a second to-be-identified part and an image acquisition strategy corresponding to the second to-be-identified part based on the first vein image and the first matching value; acquiring a second vein image of the second to-be-identified part based on the image acquisition strategy, and performing second vein matching based on the second vein image to obtain a second matching value; and determining a vein recognition result based on the first matching value and the second matching value. According to the embodiment of the invention, the vein recognition precision can be improved.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Scene recognition method, scene recognition device and electronic equipment
InactiveCN110348291AImprove accuracyAvoid Misidentification ProblemsCharacter and pattern recognitionImage identificationTime information
The invention discloses a scene recognition method, a scene recognition device and electronic equipment, relates to the technical field of information processing, and can solve the problem of low scene recognition accuracy of an existing scene recognition method. According to the invention, image scene identification is carried out by combining the scene identification algorithm, and the time information, the position information, the weather information, the temperature information and the like of the image, so that the problem of false identification caused by scene identification only basedon the algorithm can be avoided and thus the accuracy of image identification is improved.
Owner:HUAWEI TECH CO LTD
Currency identification method, identification device and electronic equipment
PendingCN111667002ANo manual operationLow costCharacter and pattern recognitionNeural architecturesAlgorithmEngineering
The invention provides a currency identification method, a currency identification device and electronic equipment. A first identification model used for identifying currency types of banknotes and asecond identification model used for identifying authenticity of the banknotes are pre-trained; currency information of banknotes can be identified by processing images, manual operation is not neededin the whole process, and the method has the advantages of being rapid, efficient and low in cost. Besides, the second recognition model is added on the basis of the first recognition model, so thatthe authenticity of the banknote can be recognized, the problem that the model mistakenly recognizes a non-banknote object as the banknote can be avoided, and the recognition accuracy is improved.
Owner:BANK OF CHINA
Method and device for feature matching and image identification device
ActiveCN104050279AReduce time spentCutting costsCharacter and pattern recognitionSpecial data processing applicationsAlgorithmData mining
The invention is suitable for the field of image identification, and provides a method and device for feature matching and an image identification device. The method includes the steps that features obtained at a time point are stored in one sub-model-bank, after the sub-model-banks are added into a model bank, the features of the sub-model-banks added each time only need to be mapped into corresponding Hash addresses of a Hash table, when a tested bank needs to be matched with the model bank, newly-added sub-tested-banks are firstly mapped into corresponding Hash addresses of the Hash table, then features of the sub-tested-banks are matched with the features in the mapped Hash addresses, and the matching results can be obtained. Compared with the prior art, the method, the device and the image identification device have the advantages that when matching is carried out each time, the whole model bank does not need to be mapped into corresponding Hash addresses of the Hash table, the spent time is short, and the matching efficiency is easily improved; in addition, matching is carried out according to the Hash function, wrong identification generated when a Brun filter is adopted can be avoided, and the matching accuracy is high.
Owner:TCL CORPORATION
Gesture recognition method and device, electronic equipment, readable storage medium and chip
PendingCN112699849ASolve misidentificationImprove stabilityCharacter and pattern recognitionNeural architecturesFeature vectorEngineering
The invention provides a gesture recognition method, a gesture recognition device, electronic equipment, a readable storage medium and a chip. The method comprises the steps: obtaining a hand region subimage in a target image, and determining the position information of a plurality of feature points corresponding to the plurality of feature points in the hand region subimage; determining a first position feature vector according to the position information of the plurality of feature points, the first position feature vector representing a relative position relationship of any one of the plurality of feature points relative to other feature points in the plurality of feature points; determining a second position feature vector according to the position information of the plurality of feature points, the second position feature vector representing an absolute position relationship of the plurality of feature points in the hand region sub-image; and outputting a recognition result of the hand region sub-image according to the first position feature vector and the second position feature vector. According to the invention, the gesture recognition stability is improved, the complex shooting environment can be dealt with, the user gesture can be accurately recognized under different visual angle conditions, and the user intention can be effectively captured.
Owner:VIVO MOBILE COMM CO LTD
Agent detection method and device
PendingCN111294405AAvoid Misidentification ProblemsImprove reliabilityTransmissionProxy serviceEngineering
The embodiment of the invention provides an agent detection method and device. The agent detection method comprises the following steps: acquiring a communication data packet with a target agent server; analyzing the communication data packet to obtain agent information of the target agent server; and sending an agent service connection request to the target agent server based on the proxy information, and detecting whether the agent information is valid information or not according to the connection request result. According to the embodiment of the invention, the agent detection reliabilityis improved.
Owner:BEIJING VRV SOFTWARE CO LTD
Continuous storm event intelligent identification and early warning method and system
ActiveCN114740550AAvoid uncertaintyAvoid hysteresisWeather condition predictionMeasuring open water movementSensing dataAtmospheric sciences
The invention relates to the technical field of remote sensing data analysis and remote sensing data identification, and discloses a continuous storm event intelligent identification early warning method, which comprises the following steps: obtaining remote sensing information in a monitoring area range, obtaining the significant wave height of an ocean area according to remote sensing data, and obtaining a first target area; and obtaining the surface temperature of the region in the first target region set according to the remote sensing data, determining a storm threat region, and giving an alarm to the storm threat region. According to the invention, automatic identification and early warning of the continuous storm are realized, the early warning information is obtained according to the storm information of the beach, and the hysteresis of dependence on artificial experience in the prior art is overcome.
Owner:GUANGDONG OCEAN UNIVERSITY
Hierarchical multi-source data fusion method for pipeline linkage monitoring network
InactiveCN101539241BImprove accuracyAccurate removalCharacter and pattern recognitionPipeline systemsNODALDecision taking
The invention discloses a hierarchical multi-source data fusion method for a pipeline linkage monitoring network, which comprises the following steps: carrying out data level preprocessing for various primary linkage detection signals acquired by a sensor at a common node of the monitoring network by using wavelet transformation, and extracting leakage-sensitive characteristic parameters; establishing a characteristic level data fusion model based on an ant colony neural network, processing the leakage characteristic parameters extracted by various sensors on the node, and constructing an elementary probability assignment function of evidence according to the output result of the ant colony neural network; and carrying out evidence synthesis at a cluster-head node according to an evidencecombination rule, and making final decisions according to a maximum trust value method. The invention provides the hierarchical multi-source linkage detection data fusion method from the data level and characteristic level to decision level, and solves the multi-source data processing problem of the pipeline linkage monitoring network; and the method utilizes the linkage detection information acquired by various sensors in the network so as to effectively improve the accuracy rate of leakage identification.
Owner:BEIHANG UNIV
A expressway fast entry and exit toll system and its working method
InactiveCN104361646BRealize non-parking chargesIn line with the concept of consumptionTicket-issuing apparatusCollection systemThe Internet
Owner:DALIAN MARITIME UNIVERSITY
Scheduling apparatus and method for packet data service in wireless communication system
InactiveCN1145284CFix frame offset conflictsSolve misidentificationNetwork traffic/resource managementNetwork topologiesCommunications systemData rate
Owner:SAMSUNG ELECTRONICS CO LTD
Pedestrian recognition method based on light field camera and HOG and SIFT mixed features
PendingCN110866421AHigh pedestrian recognition rateSimple hardwareBiometric pattern recognitionPhysics2d images
A pedestrian identification method based on a light field camera and HOG and SIFT mixed features comprises the following steps: (1) using the light field camera to shoot a large number of pedestrian images as a positive sample of an experiment; (2) shooting a large number of non-pedestrian images by using a light field camera as a negative sample of an experiment; (3) obtaining an original 2D image and a depth map of field of the shot image by using Lytro Desktop software; (4) performing ROI region extraction on the original 2D image by using a method of combining HOG + SIFT mixed features andSVM, and judging whether pedestrians are included or not; and (5) identifying the depth map of the pedestrian judged in the step (4) by using the method of combining the HOG + SIFT mixed features with the SVM again, and judging whether the deceptive pedestrian is included or not. According to the invention, the characteristics that the light field camera can record the scene 4D information and acquire the depth image are utilized to eliminate false identification caused by pedestrian traffic, so that the pedestrian identification capability is enhanced, and the working cost is low.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Aviation cable coding visual identification technical method and device considering coding directivity
PendingCN113989270ASolve misidentificationReduce classification categoriesImage enhancementImage analysisPattern recognitionVisual recognition
The invention discloses an aviation cable coding visual identification method and device considering coding directivity, and the method comprises the steps: collecting a cable surface coding image, and carrying out the image preprocessing; acquiring upper and lower boundary points of the cable in the cable surface coding image, fitting a boundary and performing inclination correction, and correcting the cable to be in a horizontal direction; coding in the cable surface coding image is segmented and optimized to obtain a plurality of rectangular areas, and the plurality of rectangular areas are rotated to obtain a plurality of coding characters to be identified; inputting the plurality of to-be-recognized coded characters into a plurality of pre-trained classifiers used for respectively coding directions, and obtaining the coding directions and a coding recognition result through the plurality of classifiers. According to the method, the large classifier is divided into a plurality of small classifiers, so that classification categories are reduced, and the accuracy of code recognition is improved.
Owner:TSINGHUA UNIV
Rapid portrait recognition device and method for indoor scene
ActiveCN108830187AImprove accuracyImprove user experienceCharacter and pattern recognitionObject storageTime difference
The invention relates to a rapid portrait recognition device and method for an indoor scene. The method comprises the steps of preliminarily recognizing an indoor image by adopting an image recognition model to obtain a portrait recognition result such as a human face, a gesture or the like; then carrying out static object elimination processing on the portrait recognition result; comparing the portrait recognition result with the contents stored in a static object storage region; when the eigenvalues and positions of the portrait recognition result and the contents stored in the static objectstorage region are the same and a writing time difference between the portrait recognition result and the contents stored in the static object storage region is larger than a preset time, indicatingthat the image recognition result is a static object, and not outputting the image recognition result; otherwise, indicating that the image recognition result is not the static object, and writing theimage recognition result into an output result storage region; and outputting the image recognition result through a recognition result output module. The problem of false recognition caused by the static object is effectively solved; the recognition accuracy is effectively improved; and the user experience is improved.
Owner:RECONOVA TECH CO LTD
A Serial Differential Non-Return-to-Zero Code Recognition Method
ActiveCN110266466BSolve the problem of correct identificationSimple control logicSynchronising arrangementSynchronous/start-stop systemsClock rateEngineering
The invention relates to a serial differential non-return-to-zero code identification method. Based on the logical or non-operational results of two differential signals corresponding to the serial differential non-return-to-zero code, a new identification method is designed, and each falling edge position of the result is used as Each start mark position, combined with the preset n times of the serial differential non-return-to-zero code frequency, as the clock frequency, samples the two differential signals separately, and then decodes to obtain the data corresponding to the serial differential non-return-to-zero code Value, so using the sampling judgment and storage of the digital circuit, the identification of the serial differential non-return-to-zero code can be realized, the control logic is simple and effective; and the entire identification method is stable and reliable, with small errors. , it only needs a simple falling edge judgment to correctly identify the code value and output the correct data. It has the characteristics of stable and reliable performance and small recognition error.
Owner:成都夸克光电技术有限公司
Vein identification method and related products
ActiveCN110298261BHigh precisionImprove experienceSubcutaneous biometric featuresBlood vessel patternsVeinRadiology
The embodiment of the present application discloses a vein identification method and related products. The method includes: acquiring a first vein image of a first part to be identified; performing first vein matching based on the first vein image to obtain a first matching value; Determine a second part to be identified and an image acquisition strategy corresponding to the second part to be identified based on the first vein image and the first matching value; acquire the first part of the second part to be identified based on the image acquisition strategy performing second vein matching based on the second vein image to obtain a second matching value; determining a vein recognition result based on the first matching value and the second matching value. The embodiments of the present application help to improve the accuracy of vein recognition.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD
Method and device for feature matching and image recognition equipment
ActiveCN104050279BReduce time spentCutting costsCharacter and pattern recognitionSpecial data processing applicationsAlgorithmData mining
The present invention is applicable to the field of image recognition, and provides a feature matching method, device and image recognition equipment. The method includes: a sub-pattern library stores features obtained at a time point, and after the sub-pattern library is added to the pattern library, It is only necessary to map the characteristics of each added sub-pattern library to the corresponding hash address of the hash table. When it is necessary to match the test library with the pattern library, first map the newly added sub-test library to the corresponding hash address of the hash table. Hash address, and then match the characteristics of the sub-test library with the characteristics in the mapped hash address to obtain the matching result. Compared with the prior art, the present invention does not need to map the entire pattern library to the corresponding hash address of the hash table every time the matching is performed, which consumes little time and is beneficial to improve the matching efficiency. Moreover, the use of the hash function for matching can avoid the problem of misidentification when using the Bron filter, and the matching accuracy is very high.
Owner:TCL CORPORATION
A method for identifying abnormal driving behavior
ActiveCN112512890BSolve misidentificationReduce the amount of codeRoad vehicles traffic controlBiological neural network modelsVehicle drivingData mining
This application relates to the field of automatic driving, and discloses a method and system for identifying abnormal driving behavior and a vehicle including the system. The method for identifying abnormal driving behavior includes: acquiring vehicle driving behavior data, and judging whether the vehicle is in suspicious abnormal driving based on the vehicle driving behavior data The state of the behavior; if the vehicle is in the state of suspicious abnormal driving behavior, then obtain the current vehicle driving scene data; judge whether the suspicious abnormal driving behavior is abnormal driving behavior according to the vehicle driving behavior data and the current vehicle driving scene data; In the technical solution of the present application, the current driving scene information is introduced into the identification process of the abnormal driving behavior of the vehicle, which improves the accuracy of the identification of the abnormal driving behavior.
Owner:HUAWEI TECH CO LTD
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