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64results about How to "Reduce the influence of human subjective factors" patented technology

Tire X-ray image detection and identification method and system

The invention discloses a tire X-ray image detection and identification method and system. The detection and identification method comprises an offline training step and an online detection step. The offline training step comprises: (11), establishing a training sample; (12), performing defect detection on an image in the training sample, and computing defect information of the training sample; (13), performing quantization coding on the defect information of the training sample to obtain a training sample feature vector; and (14), training the training sample feature vector and a grade judging result into a grade judging model. The online detection step comprises: (21), collecting a to-be-detected tire X-ray image in real time; (22), performing detect detection on the to-be-detected tire X-ray image, and computing all to-be-detected tire defect information; (23), performing quantization coding on all the to-be-detected tire defect information; and (24), computing the to-be-detected tire feature vector and the grade judging model. According to the detection and identification method, artificial subjective factors are avoided, the judgment is more objective and unified, and the judgment efficiency and accuracy are both improved.
Owner:MESNAC

Industrial enterprise unorganized VOCs gridding monitoring, diffusion early warning and tracing method

The invention relates to a gridding monitoring, diffusion early warning and tracing method for unorganized VOCs of an industrial enterprise. The method comprises the following steps: establishing a VOCs unorganized emission source list of the industrial enterprise; vOCs gridding monitoring stations are screened and arranged on the basis of a VOCs unorganized emission source list and local perennial meteorological conditions through a comprehensive rating method of functional region division and gridding point distribution; creating a VOCs management and control platform, displaying the grid VOCs emission level, time change trend and characteristics of the whole plant, and analyzing the total VOCs emission amount, high concentration value and occurrence time of the pollution map; through the optimized gas diffusion model and in combination with VOCs monitoring data of the whole plant, diffusion early warning analysis of VOCs pollution in the whole enterprise plant area is realized. And traceability analysis of VOCs pollution is realized through a source analysis technology. According to the invention, an integrated fine supervision mode of source combing, process monitoring and system management and control early warning of unorganized VOCs pollution of industrial enterprises is realized.
Owner:SHANGHAI LANKE PETROCHEM ENG & TECH

Method for sorting colors of colorful three-dimensional model based on neural network

The invention provides a method for classifying color of a color three-dimensional model based on a neural network. A three-dimensional model aiming at an actual object is obtained through three-dimensional scanning equipment or virtual modeling software; a three-dimensional model database is built; the three-dimensional model file obtained in the previous step is stored in the three-dimensional model database; a model data set for training and identification in the three-dimensional model database is read; the read model data set is input to a three-dimensional model character extraction module to extract the color character of the three-dimensional model; the character data in color is read from a model character database; a quantification sensor of the color character is established; a triad color character vector representing the color character of the three-dimensional object is obtained; an analytic module of the neural network is established; the parameters of the network are adjusted; decision-making operation of the color character vector is carried out through the neural network; and according to a discrimination formula of the neural network, an identification result is output. The method can effectively classify the object colors with different classes.
Owner:NANJING UNIV

Annular laser resonant cavity diaphragm adjustment system and adjustment method thereof

The invention discloses an annular laser resonant cavity diaphragm adjustment system. The annular laser resonant cavity diaphragm adjustment system comprises a to-be-assembled annular resonant cavitybody fixed on a substrate; a laser pumped source is arranged outside one side of the annular resonant cavity body; a prism is arranged on one corner of the annular resonant cavity body while reflecting mirrors are arranged on the other three corners respectively; a photoelectric detector is arranged in the horizontal direction of a laser beam emitted by the prism; and the photoelectric detector isconnected with a laser frequency control box and a frequency server through a wire in sequence. An adjustment method comprises the steps of enabling the laser beam emitted by the annular laser resonant cavity to pass through the prism to output light at a brewster angle, and enabling the output light to come to the photosensitive surface of the photoelectric detector in an aligned manner firstly,next, opening the laser frequency control box, performing modal state scanning and frequency stabilizing, and detecting the assembling position of the diaphragm according to the voltage change amountof the laser pumped source before and after diaphragm assembling. The system is simple in detection process, quick in processing, and accurate in assembling result.
Owner:XIAN UNIV OF TECH

Service recommendation method and device based on image recognition, equipment and storage medium

The invention relates to big data, and provides a service recommendation method, device and equipment based on image recognition, and a storage medium, and the method comprises the steps: obtaining apicture which is collected by a user through a photographing unit and contains a terminal image; detecting whether the photo meets the condition of photo shooting quality or not; if yes, calling a preset terminal image recognition model, and recognizing the target terminal in the photo to obtain attribute information of the target terminal; calculating evaluation information of the target terminalaccording to the attribute information in combination with a data retrieval algorithm and an evaluation algorithm; and according to the evaluation information, calculating a service scheme for the target terminal by using a preset service product recommendation algorithm, and displaying the service scheme. In addition, the invention also relates to a blockchain technology, and the photo containing the target terminal can be stored in the blockchain node. A user takes a picture with the target terminal, and the terminal identification model is used for objectively identifying the attribute information of the terminal, so that related service products can be more objectively and accurately recommended to the target terminal.
Owner:CHINA PING AN PROPERTY INSURANCE CO LTD

Temporary speed-restriction early warning system based on active tag and realization method thereof

The invention relates to a temporary speed-restriction early warning system based on an active tag and a realization method thereof. The temporary speed-restriction early warning system comprises an active tag and a host machine of the temporary speed-restriction early-warning system, wherein the active tag is used for periodically broadcasting temporary speed-restriction information, and the host machine of the temporary speed-restriction early warning system is installed on a train; the tag information of the active tag comprises the arrangement of the active tag along the route direction of the train; the host machine of the temporary speed-restriction early warning system is provided with a reader operation interface, a current speed and position reading module, a main control module, a speed control module and a display module, wherein the reader operation interface reads the active tag; the main control module is used for positioning the active tag according to the read temporary speed-restriction information by combining the current speed and position information of the train corresponding to the temporary speed-restriction information to obtain the position of the active tag, and calculating a train speed control signal; the speed control module carries out train speed control on the train by a braking module; and the display module is used for prompting a train driver to carry out train speed control on the train. The invention adopts the active tag as a transmitting source, adopts the host machine of the temporary speed-restriction early warning system to read the temporary speed-restriction information and realizes temporary speed-restriction automatization.
Owner:SOUTH CHINA UNIV OF TECH

Power grid voltage out-of-limit cause diagnosis method based on data mining technology

The invention relates to the field of electrical automation, and discloses a power grid voltage out-of-limit cause diagnosis method based on a data mining technology, which comprises the following steps: A) extracting out-of-limit voltage, and collecting related characteristics of the out-of-limit voltage; B) deleting bad data, and carrying out data preprocessing to obtain sample data; C) constructing a K-means improved clustering model, and obtaining a voltage out-of-limit cause clustering result; D) carrying out classification identification on voltage out-of-limit cause clustering results;e) constructing an SVM multi-classifier model, and optimizing model parameters; and F) inputting a to-be-diagnosed data sample to the SVM multi-classification model, and taking the output of the SVM multi-classification model as the cause of voltage out-of-limit of the to-be-diagnosed data sample. The method is high in efficiency, reduces the influence of human subjective factors, quickly and effectively processes the power grid low-voltage mass data, improves the K-means clustering model, obtains a good clustering effect, carries out the parameter optimization of the SVM model, and improves the accuracy of the power grid voltage out-of-limit cause diagnosis.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST

Traffic accident responsibility determination system based on machine learning

InactiveCN108389392AReduce the time for manual on-site measurement and evidence collectionShorten the timeDetection of traffic movementCharacter and pattern recognitionImaging processingDistance analysis
The present invention discloses a traffic accident responsibility determination system based on machine learning, and relates to the technical field of traffic accident responsibility determination. The system comprises a traffic information interaction center, an image processing system and an accident responsibility analysis system. The traffic information interaction center comprises an image character receiving module and a determination result sending module; the image processing system comprises an image loading module, a color extraction module, a contour extraction module, a Gaussian Blur module and a distance analysis module; and the accident responsibility analysis system comprises a feature case search module and a comparison computing module. The traffic accident responsibilitydetermination system based on machine learning allow a reporter to replace the traffic police to perform photograph and evidence collection of a scene of a traffic accident and pass back informationin real time for responsibility analysis and determination so as to effectively reduce the time of scene measurement evidence collection, analysis and determination, is high in efficiency and accuratein determination, reduce human subjective factors, can recover the traffic as soon as possible and can avoid traffic congestion.
Owner:GUANGDONG RONGQE INTELLIGENT TECH CO LTD

Electrocardiosignal identity identification method and electrocardiosignal identity identification device

ActiveCN105654046AReduce human subjective factorsECG signal eigenvectors are accurateDigital data authenticationBiometric pattern recognitionNetwork modelEcg signal
The invention is suitable for the field of electrocardiosignal identification, and provides an electrocardiosignal identity identification method and an electrocardiosignal identity identification device. The electrocardiosignal identity identification method comprises the steps of receiving the electrocardiosignal signal of a user; generating a cardiac cycle according to the electrocardiosignal; comparing the generated cardiac cycle with a pre-generated cardiac cycle template, thereby defining a cardiac cycle template with highest similarity; selecting an electrocardiosignal characteristic vector in the electrocardiosignal through a deep learning network model, wherein the deep learning network model establishes a matching model based on a sparse self-coded feedforward back neural network; performing matching between the selected electrocardiosignal characteristic vector and the corresponding identity (ID) in the cardiac cycle template with highest similarity, thereby defining a corresponding identification probability vector; and defining the identity (ID) of the electrocardiosignal according to the identification probability vector. The electrocardiosignal identity identification method and the electrocardiosignal identity identification device can improve identification accuracy for the identity (ID).
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI

Processing method of ginger processed pinellia

The invention provides a processing method of ginger processed pinellia. The processing method comprises the following steps: taking ginger slices and decocting; adding pure pinellia and immersing until the center of pinellia is immersed with the soup; adding alum and continually immersing for 48-72 hours; taking out and steaming; then cooling and slicing; and naturally drying or drying at a low temperature to obtain a finished product. The use amount of the ginger accounts for 25wt% of the pure pinellia and the use amount of the alum accounts for 6wt%-8wt% of the pure pinellia. According to the processing method, the use amount of auxiliary materials is reduced and medicinal materials are pre-treated and steamed, so that the use amount of the alum is greatly reduced, and the effects of detoxifying and removing irritation are guaranteed; effective components of pinellia are kept to the greatest extent; furthermore, the ginger processed pinellia processed by the method has a better finished product shape and high yield; modern equipment can be used for realizing standardized production and parameters of a processing process can be accurately controlled; and the influences of manual subjective factors are reduced, so that the quality of the product is more stable and controllable.
Owner:KANGMEI TENGWANGGE (SICHUAN) PHARM CO LTD

Method for accurately acquiring mining influence boundaries and determining building damage grades

The invention discloses a method for accurately obtaining a mining influence boundary and determining a building damage grade. The method belongs to the field of mining damage technology identification, and comprises the following specific steps: (1) interpreting by using N-scene SAR image data continuously imaged in a target area through an InSAR time sequence analysis method to obtain a time sequence of deformation of a mining influence area to the ground surface along a radar sight line; (2) solving earth surface three-dimensional deformation information based on the subsidence prediction model by using the related information of the mined working surface and the geological mining parameters of the target area, so as to accurately obtain earth surface subsidence, inclination (curvature)and horizontal deformation; (3) determining a mining influence boundary and a building damage grade based on each deformation index. The steps are simple, the detection effect is good, an effective,real and reliable data basis can be provided for mining damage technology identification work, mine and enterprise (citizen) disputes can be fairly and fairly solved, and social contradictions are relieved.
Owner:CHINA UNIV OF MINING & TECH

Method and equipment for determining influence weight of geological parameters on resource quantity

The invention provides a method and equipment for determining the influence weight of geological parameters on the resource quantity, and the method comprises the steps: obtaining a plurality of groups of sample data of a to-be-surveyed region, the to-be-surveyed region storing unconventional oil and gas resources, and the sample data being data of each target geological parameter used in a preset resource quantity calculation mode; calculating a resource quantity result of each group of sample data based on a preset resource quantity calculation mode and the multiple groups of sample data; performing multiple linear regression fitting processing on the resource quantity result of each group of sample data and the multiple groups of sample data to obtain a linear regression model of the resource quantity and each target geological parameter, and determining a partial regression coefficient of each target geological parameter based on the linear regression model; and based on the partial regression coefficient of each target geological parameter, determining the weight of each target geological parameter on the influence of the resource quantity. According to the method, the influence of human subjective factors can be reduced, and the purpose of improving the accuracy of the shale gas resource evaluation result is achieved.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING) +1

Double-view-field optical coherence tomography imaging system and material thickness detection method

ActiveCN111288902AGood thickness measurement capabilityMaintain Imaging CapabilitiesUsing optical meansTomographyImage system
The invention relates to a double-view-field optical coherence tomography imaging system and a material thickness detection method. The swept-frequency optical coherence tomography imaging system comprises a scanning imaging system and a swept-frequency light source for providing a light source for the scanning imaging system. The scanning imaging system comprises a sample arm and a reference armwhich are correspondingly connected with the swept-frequency light source respectively, and the swept-frequency light source provides a sampling light source or a reference light source for the samplearm and the reference arm respectively; the sample arm further corresponds to a sample placing platform, and the sample placing platform comprises a posture adjusting unit for positioning of a to-be-detected sample. Light returned by the sample arm and light returned by the reference arm interfere with each other to form interference signals, and the interference signals are detected by a balancephotoelectric detector and transmitted back to a PC. According to a double-side-view OCT system provided by the invention, the OCT technology is further expanded to the thickness measurement of the opaque material, so that the precision of measuring the thickness of the opaque material is improved.
Owner:SUZHOU UNIV

Fault diagnosis method and device

The invention provides a fault diagnosis method and device, and relates to the technical field of nuclear power plants. The method comprises the steps: obtaining the operation data of evaluation parameters corresponding to each fault symptom in a preset fault symptom set of a control rod misplug fault; determining the confidence coefficient of the fault symptom according to the operation data; determining whether the control rod misplug fault is established or not according to the confidence coefficient of the fault symptom and thecorresponding diagnosis rule of the control rod misplug fault in a preset fault diagnosis confidence rule base, and obtaining a determination result; and outputting a corresponding fault diagnosis conclusion according to the determination result. According to thefault diagnosis method and device, the fault diagnosis confidence rule base is pre-established, the confidence coefficient of the fault symptom related to the control rod misplug fault is calculated,whether the control rod misplug fault is established or not can be automatically diagnosed in real time in combination with the related diagnosis rules in the confidence rule base, the influence of human factors is reduced, the fault misjudgment rate is reduced and emergency operation guidance is provided.
Owner:SHANGHAI JIAO TONG UNIV

Urban multi-reservoir water resource allocation method based on comprehensive evaluation information

The invention discloses an urban multi-reservoir water source water distribution method based on comprehensive evaluation information, which relates to the technical field of water resource planning and allocation. At first, a multi-reservoir water source comprehensive evaluation system is constructed, the evaluation factors of four evaluation subsystems are determined, and calculate the comprehensive water quality value of the water quality target subsystem. The comprehensive operation value of the operation subsystem and the comprehensive evaluation value of the multi-reservoir water supplysystem are used to determine the sequence of the multi-reservoir water supply and the actual water supply quantity. The principal component analysis method is used to objectively select the evaluationfactors that affect the water quality objectives when selecting the water quality evaluation factors. The comprehensive evaluation method and fuzzy evaluation method are used to calculate the comprehensive water quality value of the water quality objective subsystem and the comprehensive operation value of the operation subsystem respectively. The method of multi-reservoir water supply allocationbased on comprehensive evaluation value can reduce the influence of human subjective factors and provide scientific basis for the sequence of multi-reservoir water supply and actual water supply.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Power battery screening method based on typical feature vectors

ActiveCN112287980AFacilitate the promotion of automationFacilitates an intelligent screening processCharacter and pattern recognitionVehicular energy storagePower batteryCosine similarity
The invention discloses a power battery screening method for typical feature vectors. The method comprises the following steps: acquiring charging and discharging voltage signals of a plurality of power batteries with known states, and extracting voltage signal characteristics to form characteristic vectors; estimating a probability density function of each feature according to the values of the same type of samples in each feature variable, and generating a plurality of new samples by using a sampling method; aggregating the new samples by using a clustering method to form a plurality of representative typical feature vectors; and calculating cosine similarity between the feature vector of the to-be-detected power battery and each typical feature vector of each type, and identifying the health state of the to-be-detected power battery. By means of the screening method, the problem of overfitting of a traditional classification model under the condition of small samples and deviation caused by data imbalance are avoided, the practicability of power battery screening is improved, meanwhile, the typical characteristic conditions of the power batteries under different faults can be known more clearly, and a foundation is laid for better defining the states of the power batteries.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY +2

A kind of processing method of ginger pinellia

The invention provides a processing method of ginger processed pinellia. The processing method comprises the following steps: taking ginger slices and decocting; adding pure pinellia and immersing until the center of pinellia is immersed with the soup; adding alum and continually immersing for 48-72 hours; taking out and steaming; then cooling and slicing; and naturally drying or drying at a low temperature to obtain a finished product. The use amount of the ginger accounts for 25wt% of the pure pinellia and the use amount of the alum accounts for 6wt%-8wt% of the pure pinellia. According to the processing method, the use amount of auxiliary materials is reduced and medicinal materials are pre-treated and steamed, so that the use amount of the alum is greatly reduced, and the effects of detoxifying and removing irritation are guaranteed; effective components of pinellia are kept to the greatest extent; furthermore, the ginger processed pinellia processed by the method has a better finished product shape and high yield; modern equipment can be used for realizing standardized production and parameters of a processing process can be accurately controlled; and the influences of manual subjective factors are reduced, so that the quality of the product is more stable and controllable.
Owner:KANGMEI TENGWANGGE (SICHUAN) PHARM CO LTD
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