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40results about How to "Uniform data" patented technology

Downhole sensor systems and methods thereof

A sensor module for a sensing apparatus configured for operation downhole, within a borehole. The sensor module comprises a sensor array having a plurality of sensors to sense selected formation parameters and a control system for selective and independent operation of each sensor of the sensor array. Each sensor of the sensor array is configured or designed as a discrete sensor unit for individual and independent communication and control. Each sensor of the sensor array may have an associated electronics module that provides standardized electronic connectivity with the control system.
Owner:SCHLUMBERGER TECH CORP

Transformer fault detecting method based on simplified set unbalanced SVM (support vector machine)

Disclosed is a transformer fault detecting method based on a simplified set unbalanced SVM. The method comprises (1) obtaining a characteristic vector set through a fault characteristic extracting method based on GARCH models; (2) performing determination of boundary samples on minority-class samples to obtain a minority-class boundary sample set S, wherein the minority-class samples are fault samples; randomly selecting N[x]={2, , ISI}, wherein ISI is the cardinal number of S, a[i]=1, and i=1, N[x], and setting N[z] to be 1, utilizing a simplified set solution algorithm to obtain Z[1] and repeating the operation for N[L]-N[M] times, wherein N[L] is the number of majority samples, N[M] is the number of minority samples, and accordingly, N[L]-N[M] is the number of artificial minority samples, and guaranteeing N[z]=ISI for at least one once; (3) combining the artificial minority samples obtained in the step (2) with original minority samples to serve as the training samples of an SVM classifier and lastly to obtain an SVM decision model; (4) inputting newly-obtained transformer characteristic vectors into the decision model for judgment. The transformer fault detecting method based on the simplified set unbalanced SVM is applied to transformer fault detection.
Owner:STATE GRID CORP OF CHINA +2

Data equalizing method and device for server cluster

The invention discloses a data equalizing method and device for a server cluster. The specific implementation mode of the method comprises the steps that expansion on the server cluster is responded, and at least source disk storing to-be-migrated data and a target disk for storing the to-be-migrated data are determined, wherein the source disks are located in at least one original server of the server cluster before expansion, and the target disk is located in a new server in the server cluster obtained after expansion; the new server is forbidden to receive a read-write request on the target disk, and a migration operation of migrating the to-be-migrated data from the source disks to the target disk is executed; when the target disk meets the preset condition that the remaining capacity of the target disk is the same as the average disk remaining capacity of the source disks, the migration operation stops being executed, wherein the average disk remaining capacity is obtained by dividing the sum of the source disk remaining capacities by the number of the source disks. The purpose that the expanded server cluster reaches data equalizing in a short time is achieved, and the cost is reduced.
Owner:BEIJING BAIDU NETCOM SCI & TECH CO LTD

Data link equalization method, mobile terminal and computer readable storage medium

The invention discloses a data link equalization method, a mobile terminal and a computer readable storage medium. The data link equalization method is applied to the mobile terminal including two WiFi antennas and two data channels, and used for the data links generated by the upper application and transmitted by two data channels when two wireless hotspots are connected at the same time. The data link equalization method comprises the following steps: detecting the link delay of the two data channels by the mobile terminal; calculating the average link delay of the two data channels based onthe detected link delay and the preset smoothing algorithm; and confirming the data link equalization ratio of the two data channels according to the average link delay of two data channels, so thatthe data links newly built by the upper application can be allocated to two data channels for transmission based on the confirmed data link equalization ratio when the data links newly built by the upper application are detected. According to the invention, the data link equalization ratio is adjusted through the link delay of the two data channels, therefore, the data balance of the two data channels can be effectively guaranteed, and the network access efficiency is improved.
Owner:北京华夏雅库网络科技股份有限公司

Data control method and device, computer device and storage medium

The present invention relates to the technical field of computers, and provides a data control method and device, a computer device and a storage medium. The method comprises the steps of: obtaining data to be accessed in a target interface access request, according to a token bucket algorithm, calculating target access data which are allowed to access by the target interface, recording actual flow data when the target access data passes through the target interface, comparing the actual value of each flow parameter of the actual flow data with a standard value, marking the flow parameter withthe actual value being larger than or equal to the standard value and a predicted value, and if the difference is larger than a preset target threshold value, determining safety flow data corresponding to the difference as abnormal flow data. The data control method and device, the computer device and the storage medium can be improved in the detection accuracy of the abnormal flow data.
Owner:CHINA PING AN LIFE INSURANCE CO LTD

Data link allocation method, mobile terminal and computer readable storage medium

The invention discloses a data link allocation method, a mobile terminal and a computer readable storage medium. For a mobile terminal including two paths of WiFi antennae and two data channels, whentwo wireless hotspots are connected at the same time, the two data channels transmit data links generated by an upper application, the mobile terminal detects real-time transmission rates that the twodata channels transmit the data links, an average transmission rate of the two data channels is calculated based on the detected real-time transmission rates and a preset smoothing algorithm, and then a data link allocation ratio of the two data channels is determined according to the average transmission rate of the two data channels, and thus when detecting that the upper application newly establishes data links, the data links newly established by the upper application are allocated to the two data channels for transmission based on the determined data link allocation ratio, and the data link allocation ratio is adjusted through the transmission rates of the two data channels. Thereby, the data balance of the two data channels can be effectively ensured, and the network access efficiency can be improved.
Owner:NUBIA TECHNOLOGY CO LTD

Software defect prediction method based on data imbalance

The invention discloses a software defect prediction method based on data imbalance, which comprises the following steps: taking various error reports with software metric values as an original data set for prediction from projects with known bug distribution; performing imbalance processing on the text matrix in the original data set by adopting an RSMOTE imbalance processing strategy to obtain abalanced data set; modeling the balance data set by using naive Bayes, polynomial naive Bayes, K neighbors, a support vector machine, a classification tree and Adaboost to find a classifier with an optimal prediction effect; and extracting a software metric value of a new project at an unknown bug position, inputting the software metric value into the classifier for prediction, outputting prediction information about whether each program segment has a bug or not, and recording and storing the prediction information. According to the method, the RSMOTE imbalance processing strategy is adoptedto perform imbalance processing on the text matrix in the original data set, so that the generation of a few types of samples is more flexible, and more extensive and reasonable samples can be generated.
Owner:DALIAN MARITIME UNIVERSITY

Method of solving data imbalance based on Epochs

The invention discloses a method of solving data imbalance based on Epochs and belongs to the field of deep learning. In training process, each Epoch randomly resamples each class according to weightso that samples in each Epoch can be averagely represented during training; addition is made to each sample according to the resampled weights, a sample set of single Epoch size is randomly resampledfrom a sample base according to a weight ratio so that data of the resampled Epochs are relatively balanced. The method has the advantages that the data imbalance problem can be more effectively solved; in the training process, each Epoch randomly resamples each class according to the weight so that the samples in each Epoch can be averagely represented during training; the main idea lies in thataddition is made to each sample according to the resampled weights, the sample set of single Epoch size is randomly resampled from the sample base according to the weight ratio, and accordingly, dataof the resampled Epochs are relatively balanced.
Owner:BEIJING UNIV OF TECH

Motion picture data transmission method and system

InactiveUS20050246748A1Eliminating missing of data, delay of transmission dataUniform dataTelevision system detailsError preventionComputer graphics (images)Data transmission
A motion picture data transmission method for transmitting motion picture data from a server system via a transmission line to a client system is disclosed. The content of the transmitted motion picture data is checked and the transmission interval in each unit time is adjusted on the basis of the content data of the motion picture data. Thus, it is possible to eliminate missing of data, delay of transmission data, etc., resulting due to lack of uniformity of the transmission data quantity on a transmission line for transmitting motion picture data from a server system to a client system.
Owner:NEC CORP

Method and device for expanding training sample

The embodiment of the invention provides a method and a device for expanding training samples. The method comprises: acquiring a to-be-expanded initial training sample group, the to-be-expanded initial training sample group comprising a first number of training samples, the training samples comprising original machine statements and original user statements in a historical dialogue group and category labels corresponding to the dialogue group, and each training sample in the initial training sample group having a first category label; obtaining a second number of training samples from the initial training sample group; for each dialogue group in the second number of training samples, inputting a first machine statement related to the original machine statement in each dialogue group into apre-trained dialogue generation model of a first class label, and generating a first user statement corresponding to the first machine statement in each dialogue group; and adding the first machine statement and the corresponding first user statement in each dialogue group into the initial training sample group as extended training samples to obtain an extended training sample group. Data equalization of training samples can be realized.
Owner:ALIPAY (HANGZHOU) INFORMATION TECH CO LTD

Downhole sensor systems and methods thereof

A sensor module for a sensing apparatus configured for operation downhole, within a borehole. The sensor module comprises a sensor array having a plurality of sensors to sense selected formation parameters and a control system for selective and independent operation of each sensor of the sensor array. Each sensor of the sensor array is configured or designed as a discrete sensor unit for individual and independent communication and control. Each sensor of the sensor array may have an associated electronics module that provides standardized electronic connectivity with the control system.
Owner:SCHLUMBERGER TECH CORP

Flash memory device and method for manufacturing the same

A flash memory device and a method of manufacturing the same, wherein a silicon layer having a micro grain is formed between a tunnel oxide layer and a floating gate using a hemi-spherical grain (HSG) method, thereby preventing the dopant of the floating gate from being diffused into the tunnel oxide layer. According to one embodiment, the flash memory device includes isolation structures formed in predetermined regions of a semiconductor substrate, for defining an active region and a field region, a tunnel oxide layer formed on the semiconductor substrate of the active region, and a floating gate formed in a predetermined region on the active region to overlap with a part of the isolation structure, an underlying given portion and the remaining portions of the floating gate having different grain sizes.
Owner:SK HYNIX INC

Disk bad block processing method and device

The invention discloses a disk bad block processing method and device, and the method is applied to a distributed storage file system, and comprises the steps: firstly determining a data block identification corresponding to a data block with a bad block when the bad block is detected to exist in a data block in a target disk in the distributed storage file system; then, obtaining associated datacorresponding to the data block identifier according to the data block identifier; and finally, recovering lost data according to the associated data, and storing the recovered data into a reserved data block area of the target disk. According to the invention, a reserved data block area is added to each disk in the distributed storage file system; when it is detected that the bad blocks occur inthe data blocks in the disks, data recovery is conducted on bad block data, after data recovery is conducted, the recovered data is stored in the data blocks in the reserved data block areas in the disks corresponding to the bad blocks, other disks do not need to be occupied any more, and therefore data balance on all the disks is guaranteed.
Owner:SHENZHEN IPANEL TECH LTD

Storage system capacity expansion method and device, equipment and machine readable storage medium

The invention provides a storage system capacity expansion method and device, equipment and a machine readable storage medium, and the method comprises the steps: calculating and generating migrationinformation according to a preset rule, wherein the migration information comprises codes of data units, needing to be migrated to all empty hard disks, in all data hard disks, and a mapping relationship between each data unit to be migrated and the corresponding immigrated empty hard disk; migrating each data unit needing to be migrated in each data hard disk into the corresponding empty hard disk according to the migration information; updating the mapping relationship between the data units in a mapping table and the hard disk according to a migration result; exchanging and installing a part of originally loaded empty hard disks of newly added storage equipment and a part of originally loaded data hard disks on the original storage equipment, so that the storage equipment comprises a plurality of empty hard disks and a plurality of data hard disks. Through the technical scheme of the invention, the efficiency of completing data equalization after capacity expansion of a storage polegroup is greatly improved.
Owner:NEW H3C TECH CO LTD

Unbalanced SVM Transformer Fault Detection Method Based on Simplification and Reduction

Disclosed is a transformer fault detecting method based on a simplified set unbalanced SVM. The method comprises (1) obtaining a characteristic vector set through a fault characteristic extracting method based on GARCH models; (2) performing determination of boundary samples on minority-class samples to obtain a minority-class boundary sample set S, wherein the minority-class samples are fault samples; randomly selecting N[x]={2, , ISI}, wherein ISI is the cardinal number of S, a[i]=1, and i=1, N[x], and setting N[z] to be 1, utilizing a simplified set solution algorithm to obtain Z[1] and repeating the operation for N[L]-N[M] times, wherein N[L] is the number of majority samples, N[M] is the number of minority samples, and accordingly, N[L]-N[M] is the number of artificial minority samples, and guaranteeing N[z]=ISI for at least one once; (3) combining the artificial minority samples obtained in the step (2) with original minority samples to serve as the training samples of an SVM classifier and lastly to obtain an SVM decision model; (4) inputting newly-obtained transformer characteristic vectors into the decision model for judgment. The transformer fault detecting method based on the simplified set unbalanced SVM is applied to transformer fault detection.
Owner:STATE GRID CORP OF CHINA +2

Cloud computing method and device

The embodiment of the invention discloses a cloud computing method and device and relates to the field of information. By the invention, data are distributed more uniformly to all simplifying nodes during cloud computing. The method comprises the following steps of: acquiring intermediate data obtained after user data is processed by mapping nodes; determining target simplifying nodes corresponding to the intermediate data; detecting states of the target simplifying nodes corresponding to the intermediate data; and sending the intermediate data to one or more simplifying nodes for data processing according to the detected states of the target simplifying nodes corresponding to the intermediate data. The method and device disclosed by the invention are mainly applied to the cloud computing process to ensure that the data are distributed more uniformly to the simplifying nodes during cloud computing.
Owner:YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD

Digital recognition method and digital recognition system for traffic lights

The invention provides a traffic signal lamp number identification method and system, and relates to the technical field of vehicle automatic driving. The traffic signal lamp digital recognition method comprises the following steps: acquiring an image or a video of a traffic signal lamp; identifying the shape of the traffic signal lamp in the image or video according to the image or video of the traffic signal lamp; selecting a pre-established identification model according to the shape of the traffic signal lamp; performing data preprocessing on the image or the video according to the identification model; and inputting the preprocessed image or video into a recognition model to recognize countdown numbers in the traffic lights. According to the traffic signal lamp number identification method, the identification process can be simple, countdown number identification of the traffic signal lamp is accurate, safe and stable driving of an automatic driving vehicle is guaranteed, and serious consequences of traffic accidents caused by sudden braking, red light running and the like of the automatic driving vehicle are prevented.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Similarity determination method and device, storage medium and computer device

The invention provides a similarity determination method and device, a storage medium and a computer device, and the method comprises the steps: generating a first scoring matrix and a second scoringmatrix of a user for an article according to an input user, the article and behavior data of the user for the article; dividing the first scoring matrix and the second scoring matrix into N sub-matrixes respectively, and allocating the N sub-matrixes to N processes respectively; carrying out similarity calculation by the N processes in parallel; after similarity calculation is completed, sub-matrixes of second scoring matrixes in the N processes are sent to the next process of the corresponding process; and respectively updating the sub-matrixes of the second scoring matrix in the N processesinto the received sub-matrixes, and performing similarity calculation again in parallel by the N processes until the sub-matrixes of the first scoring matrix in the N processes and all the sub-matrixes of the second scoring matrix finish similarity calculation. According to the embodiment of the invention, the similarity calculation speed is improved.
Owner:BIGO TECH PTE LTD

Safety helmet wearing detection method and device based on deep learning, equipment and medium

The invention discloses a safety helmet wearing detection method, device and equipment based on deep learning, and a medium. The method comprises the following steps: obtaining a to-be-detected person image; inputting the image of the person to be detected into a trained multi-scale sensing network model; the multi-scale sensing network model comprises three parallel CNN sub-networks, structures of the three CNN sub-networks are different in convolution kernel size, and each CNN sub-network comprises a channel attention module used for extracting global features and a space attention module used for extracting local features; and outputting an image classification result of the to-be-detected person, wherein the classification result comprises a condition that the person does not wear a safety helmet and a condition that the person wears the safety helmet. The method has a high detection rate and a low false detection rate in a complex scene of a transformer substation, and the deep learning method can reduce the previous manual monitoring operation, reduce the labor cost, and ensure the real-time performance of safety helmet detection.
Owner:佳源科技股份有限公司

Mobile Crowdsensing Data Equalization Method Based on Blockchain Equity Proof Mechanism

The invention discloses a mobile crowdsensing data equalization method based on a block chain proof of rights mechanism in the field of mobile crowdsensing networks. The steps for execution by the system include: S1. Perform data clustering based on the pyramid tree algorithm for the sensory data of each cluster, and calculate the number of sensory data contained in each cluster; S2, judge whether the number of sensory data contained in the added cluster is less than the quantity threshold, and output the quantity evaluation parameter value; S3, each sensing node calculates the utility function value of each sensing node according to the evaluation parameter value; S4, determines the activity state of the sensing node according to the utility function. In the entire mobile crowd sensing task execution process of the method of the present invention, the sensing platform selects as few participants as possible to complete the sensing task, so as to meet the quality requirement of spatial coverage of the sensing nodes in the designated sensing area, and realize data balance in the spatial dimension .
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

Mobile crowd sensing data equalization method based on blockchain right proving mechanism

The invention discloses a mobile crowd sensing data equalization method based on a blockchain right proving mechanism in the field of mobile crowd sensing networks. The system is used for executing the following steps that: S1: in a time slot period, a sensing platform performs pyramid tree algorithm-based data clustering on received sensing data, and calculates the number of sensing data contained in each cluster; S2, whether the quantity of the perception data contained in the added cluster is smaller than a quantity threshold value or not is judged, and a quantity judgment parameter value is output; S3, each sensing node calculates a utility function value of each sensing node according to the evaluation parameter value; and S4, the active state of the sensing node is determined according to the utility function. According to the method, in the whole mobile crowd sensing task execution process, the sensing platform selects as few participants as possible to complete the sensing task, the quality requirement for sensing node space coverage of a specified sensing area is met, and data balance is achieved in the space dimension.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

R-type discharge coil

PendingCN108962532AElectrical Data EqualizationUniform dataCores/yokesCoilsEpoxyLow voltage
Provided is an R-type discharge coil. The R-type discharge coil is formed by encapsulating of an R-type iron core, a first winding, a secondary winding, a high-voltage terminal, a low-voltage terminaland epoxy resin. The first winding and the second winding are formed by winding of F-grade copper enamelled wires. The secondary winding winds around the insulated R-type iron core. The first windingwinds around an epoxy framework. The first winding is connected with the high-voltage terminal. The secondary winding is connected with the low-voltage terminal. An overall machine body is made by vacuum casting of the outdoor epoxy resin which is weather-proof and ultraviolet ray-resistant. The R-type iron core adopts one strip of oriented silicon steel sheet band material which is continuous. The strip of oriented silicon steel sheet band material winds around an exclusive die and is composed of two-stage or three-stage iron core with different widths. The R-type discharge coil is compact in overall structure, high in anti-short circuit impact capability, low in zero load current, zero load loss, noise and calorific value and is resistant to rust without sharp corners and tip stress. Therefore, an internal electric field of a product is uniform without point discharge phenomenon. partial discharge meets the requirement.
Owner:青岛大升电力电气科技有限公司

Kudu database data equalization system based on size and implementation method

The invention discloses a kudu database data equalization system based on size and an implementation method, and relates to the database field, the technical problem to be solved by the invention is how to realize size-based database data equalization of kudu. According to the adopted technical scheme, the system structurally comprises a data equalization condition detection module, a to-be-migrated Tablet selection module and a Tablet migration execution module; the data equalization condition detection module is used for detecting whether data equalization operation is executed or not; ; theto-be-migrated Tablet selection module is used for selecting a to-be-migrated Tablet and a migrated node; and the Tablet migration execution module is used for executing actual data migration. The invention also discloses a kudu database data equalization method based on size.
Owner:INSPUR SOFTWARE CO LTD

A small sample plant disease identification method and system

The invention discloses a small-sample plant disease identification method and system. The method includes: randomly selecting a plurality of original pictures containing diseases as the first sample set; expanding the first sample set through an improved deep convolution-based generative adversarial network to obtain a second sample set; performing a second sample set on the second sample set Verifying and constructing a training set together with all or part of the second sample set that has passed the verification and the original picture that does not contain the disease; training the convolutional neural network based on the training set to obtain a classification model; inputting the image of the disease to be identified into the classification model to obtain the disease Recognition results. In the present invention, aiming at the disease pictures of small samples of plants, the improved deep convolution generation confrontation network is used to expand the sample set, so that the positive and negative ratio of the expanded second sample set is roughly 1:1, so that the data is balanced, and the two The number of patients has reached 10,000, and the convolutional neural network is used to classify the diseases on the expanded second sample set, which has a good classification effect.
Owner:CHONGQING UNIV

Method for solving unreasonable spatial and temporal distribution of dust load equipment

The invention discloses a method for solving unreasonable spatial and temporal distribution of dust load equipment. The method comprises the following steps: dividing a road into n road sections with uniform length; for each road section, uploading a group of data of each road section by the communication module to the Internet platform at a fixed frequency f each time; taking the data volume uploaded in the time period T as a data source, and calculating a standard value of the data volume of each road section; calculating the ratio of the standard value to the data volume of each road section to obtain a correction coefficient, and obtaining the corrected uploading frequency fan = f * xan; and when the positioning module recognizes that an road section is entered, transmitting a correction coefficient by the internet platform to the communication module, adjusting the data uploading frequency by the data processing module to fan, and finally presenting the corrected data volume of the road section. According to the technical scheme adopted by the invention, no extra hardware cost is added, and the method is easy to implement, therefore, road data balance is achieved, and a positive guidance value can be provided for urban governance.
Owner:NOVA FITNESS CO LTD

Data management and control method, device, computer equipment and storage medium

The present invention relates to the field of computer technology, and provides a data management and control method, device, computer equipment, and storage medium. The method includes: by obtaining the data to be accessed in the access request of the target interface, according to the token bucket algorithm, calculating the allowed data of the target interface. The target access data for access, and record the actual flow data when the target access data passes through the target interface, compare the actual value of each flow parameter in the actual flow data with the standard value, and compare the flow parameters with the actual value less than or equal to the standard value and The corresponding actual value is marked as safe flow data, and the predicted value of each flow parameter in the safe flow data is calculated, and the difference between the actual value and the predicted value of each flow parameter is calculated, if the difference is greater than the preset target threshold, it is determined that the safe traffic data corresponding to the difference is abnormal traffic data. Improve the detection accuracy of abnormal flow data.
Owner:CHINA PING AN LIFE INSURANCE CO LTD
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