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151 results about "Paired comparison" patented technology
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A paired comparison is usually a method in which a certain employee, and his/ her job is compared with another employee of a similar post, and his/ her job. Usually, such paired comparisons are made on the grounds of the overall performance of an individual. Once the ratings are provided,...
Method for objectively and quantifiably evaluating noise fret degree in vehicle based on auditory model
InactiveCN101672690AImprove performanceOvercoming complexityVibration measurement in fluidPsychotechnic devicesHuman bodyProcess mechanism
The invention relates to a method for objectively and quantifiably evaluating noise fret degree in a vehicle based on an auditory model, in particular to an evaluation method of psychoacoustics and vehicle sound quality. The method comprises the following steps: designing a dummy head model; imitating a processing mechanism of the middle ear and the inner ear of a human body to the sound by usingan auditory peripheral calculation model; collecting vehicle noise signals under the working conditions of uniform, accelerated and idle speed; pre-treating the noise sample and processing the loudness in specification; obtaining a psychoacoustics parameter by using a sound quality calculation model; obtaining subjective evaluation result test data by using a grouped and paired comparison method;calculating and painting a correlated scatter plot chart between each parameter and the ranking value of the subjective evaluation result; and analyzing and calculating to obtain the objectively quantifiable model of the subjective fret degree under each working condition. The invention can realize the psychoacoustic parameter calculation of objectively evaluating the sound quality with differentvehicle types, gears and speeds, wherein the calculated value has good pertinence and consistency with the evaluated result of the subjective evaluation method. The invention has stable evaluated result and high reliability, and can improve the sound quality and competitiveness of vehicles combined with the design of new CAE cars.
Owner:JILIN UNIV
Optimized database technique to enable faster data synchronization
InactiveUS7113963B1Faster data synchronizationSimplify workData processing applicationsDatabase distribution/replicationData synchronizationTarget database
Method and system that enables faster data synchronization between different databases. In one embodiment, a method for synchronizing data records between databases is provided. Initially, a first database is designated as a source database and a second database as a target database. The modification flag of a first data record in the source database is examined. If the first modification flag is set, the first data record is propagated to the target database. On the other hand, if the first modification flag is not set, a first modification count of the first data record is compared with a second modification count of a corresponding data record in the target database. In this embodiment, each of the modification counts is a value indicating how many times the respective data record has been modified. If it is determined that the first modification count has a higher value than the second modification count, the corresponding data record is updated according to the first data record. Importantly, the method of this embodiment can be carried out as described without comparing the raw data of the data records. As such, this embodiment of the present invention advantageously eliminates the record-by-record comparison that is inherent in the prior art synchronization process and the inconvenience associated therewith and provides an efficient data synchronization technique that can be beneficially utilized in numerous applications.
Owner:ACCESS
Identity verification system based on face recognition
InactiveCN102800017AGuaranteed identityPrevent cheatingFinanceCharacter and pattern recognitionE communicationCard reader
The invention discloses a network device based on a customer identity verification system, which aims to solve the problem that the cases resulting from name borrow and false name happen occasionally due to the shortcomings existing in the process of manually verifying the customer identity in the current financial industry. A customer terminal consists of a group of self-service information acquisition and real-time comparison terminals which perform real-time comparison on the information acquired by a camera and a second-generation identity card reader and directly transmit the acquired information and the comparison result to a background server or forward through a middleground server; and a third-party server reads the required information and comparison result directly from the background server database through a communication interface or through the middleground server. Through the invention, the identification accuracy of the customer identity is high, and the cases resulting from name borrow and false name in the banking business are greatly reduced. In combination with the characteristics of the bank, the information can be acquired in a self-service manner and automatically identified and compared to avoid human risk in the banking business, thereby laying a firm foundation for the sustainable development of the bank.
Owner:高艳玲
Method and apparatus for product comparison
Owner:VERSATA DEV GROUP
Blower fan load high-efficiency assessment system
ActiveCN106503316ASimple interfaceEasy to operateDesign optimisation/simulationSpecial data processing applicationsWind shearSimulation
The invention discloses a blower fan load high-efficiency assessment system. The blower fan load high-efficiency assessment system includes a querying module of a load simulation database, wherein the querying module can query and manage simulation input data and load data of all types of research and development machines, such as a unit boundary condition, tower size, blade design data, a complete machine Bladed model, and load data of main parts, blades, and a tower; a load comparison and sensitivity analysis module which can perform comparison analysis on boundary conditions, main part loads, and blade and tower loads of different projects, and perform sensitivity analysis on loads of identical projects with different boundary conditions; and a unit load strength applicability assessment module which can interpolation-calculate a load corresponding to a specific site based on mass load simulation data change for boundary condition parameters such as the air density, the annual average wind speed, the turbulence intensity, wind shear, and the inflow angle, and can perform strength assessment on parts according to strength assessment margin of a reference project. The blower fan load high-efficiency assessment system can improve the calculation efficiency of a blower fan generator unit load, can shorten the life period, and can save cost.
Owner:GUANGDONG MINGYANG WIND POWER IND GRP CO LTD
Product comparison and feature discovery
Owner:COMPARE NETWORKS
Ship monitoring method
ActiveCN102147859AEnsure safetyEasy to manage digitallyImage analysisCharacter and pattern recognitionData informationMonitoring system
The invention relates to a ship monitoring method. The monitoring method comprises a target identification method and a target tracking method, wherein in the target identification method, after an intercepted real-time video image and a background image are subjected to differential operation and binarization, a ship target is obtained by using a region growing algorithm, and the identified ship target is tracked and locked. By matching the target identification method, the target tracking method, a target locking method and a pairing comparison and database management method, a monitoring system can capture a ship and acquire continuous ship video under the condition of fog or night so as to realize all-weather monitoring of a shipping lane, ensure smoothness of the shipping lane and safety of the ship, reduce manual operation and realize automatic management; and the data information and the like acquired by monitoring are stored into a database, so that the data information and the like are convenient for digital management of the ship, can be timely called as required and can assist managers in learning more information about the ship.
Owner:浙江华是科技股份有限公司
Hearing aids and methods and apparatus for audio fitting thereof
A field ready, unsupervised-use ready, method and apparatus for audio fitting a hearing aid is described in a hand held configuration having paired comparisons (hearing selections) stored in and derivable from a memory therein. The paired comparisons are presented one at a time to a user and a preferred selection for each paired comparison is made by a select indicator after the user toggles back and forth between the selections for as many times necessary in determining their preferences. A genetic algorithm converges all the preferences upon a single solution. Crossover and mutation genetic algorithm operators operate on a linear range of indexes representative of parametric values of the pairs. A fully integrated hearing aid having all the above described features incorporated therein is also presented.
Owner:STARKEY LAB INC
Searching desktop objects based on time comparison
Owner:RED HAT
Online Pair Wise Comparison and Recommendation System
InactiveUS20100153378A1Simple processDigital data processing detailsMetadata multimedia retrievalPaired DataDatabase
The present invention relates to an online voting system and more particularly, the invention relates to a system having at least two key databases one being the item database in which list of movies, songs, or such / or other items of entertainment value to online users can be used and the other being the pairing database which includes a list of all paired comparisons between any two items in the said item database. Importantly the present invention is directed to a method and / or system to enable comparison of items in a database using the principals of paired comparison by applying the laws of comparative judgment.
Owner:SARDESAI PRASHANT
Multi-channel analysis method and device based on analytic hierarchy process
InactiveCN103886168AScience of Assessment ResultsThe assessment results are accurateSpecial data processing applicationsPairwise comparison matrixWeight coefficient
The application provides a multi-channel analysis method and a multi-channel analysis device based on an analytic hierarchy process. The method comprises the steps of: acquiring a sub-target of each channel and an index corresponding to each sub-target, building a sub-target layer paired comparison matrix table by using the sub-targets corresponding to the channels as factors, building an index layer paired comparison matrix table by using the indexes corresponding to the sub-targets of the channels as factors, computing a weight coefficient corresponding to each sub-target of each channel according to the sub-target layer paired comparison matrix table, computing a weight coefficient corresponding to each index in each sub-target of each channel according to the index layer paired comparison matrix table, acquiring a quantity value of each channel at the same index, setting an effect value of each channel at each index according to the quantity value, and weighting the weight coefficients and the effect values to obtain a final assessing score of the channel. According to the multi-channel analysis method and device based on the analytic hierarchy process, a more scientific and accurate multi-channel assessing result can be provided.
Owner:TENCENT TECH (SHENZHEN) CO LTD
Face live detection method
InactiveCN107609471ASimple methodAddress inefficienciesCharacter and pattern recognitionPattern recognitionComputer graphics (images)
The invention provides a face live detection method comprising the steps that S1. the photographing frame inclined angle formed by a front camera and a side camera is set to be between 15-20 degrees;S2. the front camera and the side camera simultaneously snapshoot the face and form group pair information; S3. quality analysis is performed on the photo snapshot by the front camera; S4. comparisonwith a face feature library is performed to determine the identity of the face, and then comparison is performed by using the snapshot group pair information image; and S5. after the identity of the face is determined, the snapshot group pair information camera face angle is judged by using the feature points, the face is live if the angle difference value of the front camera and the side camera is within the range of 15-20 degrees, and the face is the photo if the angle difference value is within the range of 0-5 degrees. Double cameras forming the inclined angle are adopted to perform simultaneous snapshooting for group pair detection and group pair comparison so that the method is simple, and the defect of low efficiency of the face recognition live detection method through the visiblelight mode can be solved.
Owner:深圳元见智能科技有限公司
Iris classification method based on texture primitive statistical characteristic analysis
ActiveCN101540000ASpeed up the comparisonShorten the timeCharacter and pattern recognitionFeature extractionLarge scale data
The invention discloses an iris classification method based on texture primitive statistical feature analysis. The method comprises: S1, preprocessing a clear iris image in a training set, obtaining an interested region ROI, extracting features of the ROI region, training the extracted texture features, building a model and obtaining an iris rough classification model; and S2, preprocessing the clear iris image arbitrarily input, obtaining the ROI region, extracting the features, inputting the extracted iris texture features into the model obtained through the training in the step S1 and obtaining the class information of the input iris image. The method has the advantages of shortening average time for completing iris comparison once, achieving real-time effects and effectively speeding up feature-template comparison in large-scale databases through an iris recognition technique.
Owner:BEIJING IRISKING
AHP (Analytic Hierarchy Process) based assessment method of teaching quality of fuzzy comprehensive remote education
InactiveCN101937554AImprove propertiesSolving Quantitative ProblemsData processing applicationsResearch questionsQuality assessment
The invention discloses an AHP (Analytic Hierarchy Process) based assessment method of the teaching quality of fuzzy comprehensive remote education, comprising the following steps of: determining index weight by applying AHP; and determining a total assessment result by applying a fuzzy comprehensive assessment method. A method for determining the index weight by applying the AHP comprises the following steps of: establishing a hierarchical structure of a researched problem; judging a matrix by determining paired comparison; carrying out hierarchical single sequencing; carrying out hierarchical total sequencing, and calculating the combinational weight of all elements of a same hierarchy; and carrying out consistency check. The assessment method of the teaching quality of quantitative remote education carries out the data processing by establishing a fuzzy comprehensive assessment model based on the AHP, introducing a theory into the assessment of the teaching quality of the remote education, determining the weight of assessment factors by using the AHP and then establishing a mathematical model by using a fuzzy comprehensive assessment method, thereby transforming the assessment problem into the multiplication problem of the fuzzy matrix for processing.
Owner:XIDIAN UNIV
Head-to-head comparisons
Providing a comparison of a set of similar items is disclosed. In some embodiments, a selection of a set of similar items to be included in a comparison is received from a first member of an online community, and the comparison is stored so that the comparison can be presented to a second member of the online community when an indication is received that the comparison is of interest to the second member.
Owner:APPLE INC
Face comparison verifying device and method
Owner:ORMON CORP
Method for improving selection efficiency in hybrid rice breeding
InactiveCN101485283AImprove selection efficiencyReduce blindnessPlant genotype modificationResistant genesAgricultural science
Owner:重庆市农业科学院生物技术研究中心 +1
Security risk assessment method for block chain
InactiveCN110309657APlatform integrity maintainanceProtocol authorisationTrusted ComputingSensitivity analyses
The invention provides a security risk assessment method for a block chain. The security risk of the block chain is quantified at the two aspects of technical architecture and activeness. The method comprises the following steps of firstly, establishing a block chain trusted computing base (BTCB) model according to a block chain technical system architecture; designing a security sensitivity analysis method combining AHP (Analytic Hierarchy Process) and pairing comparison, distributing a security sensitivity weight for each security risk influence factor, and finally constructing a security risk scoring function of the block chain. At an experiment part, the method is adopted to score 30 important public chain block chain projects at present, the comparison and analysis are carried out onthe scores, the scores are compared and analyzed with a Cydive public chain technology evaluation index and a Weis encrypted currency rating, and an experiment result shows that the method has certainfeasibility.
Owner:SICHUAN UNIV
Cephalogram Image Analysis Method
InactiveUS20090003667A1Effectively and accurately transformingEffectively and accurately converted into tracingImage enhancementImage analysisPattern recognitionReference database
An automated cephalogram image analysis method is disclosed. In this method, a step is first performed for building a reference database in which a set of tracing feature curve models respectively representing a set of reference cephalometric patterns are established based on a set of tracing records. Then, a step of pattern comparison and analysis is performed. In this step, at least one cephalogram is first input, and then a step is performed for comparing the image of the cephalogram with the tracing feature curve models, thereby selecting at least one cephalometric pattern and at least one feature curve model belonging to the cephalometric pattern from the reference cephalometric patterns and the tracing feature curve models. Thereafter, the feature curve model is fitted to the image of the cephalogram so as to obtain at least one tracing of the at least one cephalogram.
Owner:NAT CHENG KUNG UNIV
Massive data comparison method and system based on hadoop cloud platform
InactiveCN104317942AImprove efficiencyDatabase distribution/replicationSpecial data processing applicationsTest comparisonDistributed File System
The invention relates to a massive data comparison method and system based on a hadoop cloud platform. The method includes the steps: 1, massive data is cut into several parts according to an interval scale, and a cloud comparison engine is used for sorting each data so that a corresponding number of internal organized files are output to a distributed file system based on the hadoop cloud platform to be as a source data comparison file; 2, when a comparison task comes, the distributed file system schedules and controls the rest of task nodes to perform the comparison task file through a main task node; 3, each task node finds a to-be-executed task node to be compared with the source data comparison file, common records from the compared file are placed in the same file, and difference records are placed in a set difference file; 4, after every task node completes the file comparison, the main task node mergers and outputs the comparison results of every task node. The massive data comparison method and system based on the hadoop cloud platform improves efficiency of consistency ratio of the massive data.
Owner:北京思特奇信息技术股份有限公司
Method and device for identifying and eliminating false positive in nucleic acid variation detection
ActiveCN109658983AEfficient removalImprove accuracyProteomicsGenomicsDistribution characteristicBiology
The invention discloses a method and a device for identifying and eliminating false positive in nucleic acid variation detection. The method of the invention comprises the steps of reading a variationdetecting software result file of a to-be-detected sample; reading a comparison file of a sequence read after eliminating PCR repetitions, and obtaining a read pair comparison result which is coveredby each variation site; determining whether the variation site is in a read pair overlap area of the DNA molecule, and performing analysis and statistics on the read pair which is covered by each abrupt change; performing statistics on each molecule and the read which support the abrupt change, and marking a characteristic which can be used for filtering the abrupt change; and filtering the variation site based on the characteristic value. According to the method of the invention, nucleic acid variation detecting results are filtered according to the distribution characteristic of nucleic acid variation false positive sites and true positive sites; not only can the false positive sites be effectively eliminated, but also accuracy of a nucleic acid variation detecting result is improved.
Owner:SHENZHEN HAPLOX BIOTECH
Hearing aids and methods and apparatus for audio fitting thereof
ActiveUS20100172524A1Digital computer detailsElectric digital data processingGenetic algorithmHand held
Owner:STARKEY LAB INC
Tumor mutational load detecting method, device and storage medium
The invention provides a tumor mutational load detecting method, a device and a storage medium. The method comprises the steps of acquiring mutation frequency data of a single testing sample, whereinthe mutation frequency data comprise the site mutation frequency of a sample target area, comparing the site mutation frequency with a preset threshold for obtaining a mononucleotide mutation which ishigher than the threshold, and eliminating meaningless mutation in mononucleotide mutation for obtaining the number of effective mononucleotide mutations; acquiring Indel mutation frequency data of the single testing sample, wherein the Indel mutation frequency data comprises the Indel mutation frequency of the sample target area, comparing the Indel mutation frequency with a preset threshold forobtaining the number of the Indel mutations which are higher than the threshold; calculating the number of the tumor mutational load according to a number evaluation formula of the tumor mutational load, wherein the number estimation formula comprises the weight item of the number of the effective mononucleotide mutations and the weight item of the number of the Indel mutations. The method according to the invention accurately detects the TMB index of the lung cancer sample under a precondition of no dependence to a common database and a normal pairing comparison sample.
Owner:裕策医疗器械江苏有限公司
Spectrum allocation method based on graph coloring and analytic hierarchy process in cognitive radio
InactiveCN106454856AImprove use efficiencyTake advantage ofNetwork planningFrequency spectrumMultiple attribute
The invention discloses a spectrum allocation method based on graph coloring and an analytic hierarchy process in cognitive radio. The method comprises the following steps: 1, establishing a recursion order hierarchy structure; 2, constructing paired comparison matrixes; 3, performing single hierarchical sequencing and checking the consistency; 4, performing total hierarchical sequencing, i.e., calculating the weight of relative importance of all factors on each layer relative to the highest layer from top to bottom to obtain a weight sequence of each scheme in the bottom layer relative to a target so as to select a scheme, and checking the consistency too in the total sequencing process, wherein the relative weights of all available spectrum resources about the total target can be normalized into a weight vector by the total hierarchical sequencing, and the spectra corresponding to the maximum value are selected for next allocation in the algorithm; and 5, allocating the selected optimal spectra by using a coloring algorithm in the graph theory. A sequence of spectrum qualities is obtained by analysis and decision on multiple attributes of all current available bands, so that a reasonable spectrum access strategy is provided.
Owner:ZHEJIANG UNIV OF TECH
Method for checking whether BIM (Building Information Modeling) file is changed or not
InactiveCN108694158AQuickly implement version comparisonEasy to viewGeometric CADNatural language data processingSoftware engineeringPaired comparison
The invention discloses a method for checking whether a BIM (Building Information Modeling) file is changed or not. The method at least comprises the following steps that: determining one of at leasttwo BIM files to be checked as a basic file; carrying out data primary processing on the at least two BIM files to be checked; obtaining the geometric vector information and the attribute informationof each modeling construction member in the modeling file; comparing the geometric vector information and the attribute information of each modeling construction member on the same position in each file; and obtaining the change comparison table of at least two BIM files. By use of the method, the modeling construction member in the modeling file which contains mass data is subjected to geometricvector information paired comparison, and therefore, version comparison can be quickly realized. The geometric information and all attribute information of the construction members on the same position in different versions are subjected to paired comparison to judge whether the construction member is changed or not and whether the construction member in the file is deleted or increased or not, and a version change comparison table is efficiently obtained so as to bring convenience for design personnel to check the version change.
Owner:DALIAN WANDA GROUP CO LTD
Hash data structure used for file comparison,hash comparison system and method
InactiveCN102945241AProgram control using stored programsVersion controlHash functionFile comparison
The invention relates to a hash data structure used for file comparison, a hash comparison system and a method. The hash data comparison system according to the embodiment types can compare the source files by using the hash data comprising the file information and the hash value. The hash data comparison system comprises a file information generation unit, a hash generation unit, and a control unit. The file information generation unit examines the attribute of each of the source files, and generates the file information related to the source files. The hash generation unit can calculate the hash value by applying the hash function algorithm on at least a part of the source files. The control unit can generate the hash data by aiming at the corresponding source files, and the hash value comprises the file information and the hash value. Therefore the invention is advantageous in that all the hash values are not required to be compared in different files, and the files can be compared more quickly.
Owner:NEOWIZ GAMES CO LTD
A face identification system in a parking lot
InactiveCN103793962AImprove securityFace recognition is clearIndividual entry/exit registersCombined useVehicle detection
The invention discloses a face identification system in a parking lot. The face identification system comprises a card reader, a vehicle detection device, an image collecting device, a computer portrait orientation module and a computer identification module, wherein the card reader, the vehicle detection device, the image collecting device and the computer portrait orientation module are used for extracting face details; and the computer identification module is used for processing received face image data, achieving face identification and sending identification results to a monitoring center or a toll house, and other application occasions. In the monitoring center or the toll house, and other application occasions, face comparison is performed when a vehicle exits the parking lot, thus protecting the vehicle from being stolen by a person other than the owner of the vehicle. The face identification system is used in combination with a parking lot management system, wherein the computer identification module processes the received face image data, achieves face identification and performs face comparison when the vehicle exits the parking lot. The face identification system is stable and reliable and achieves clear face identification without identification mistakes, thus solving a problem of lacking artificial guard, facilitating security improvement of the parking lot and effectively preventing economic loss caused by vehicle from loss.
Owner:严成宝
Ship license plate recognition method based on deep learning feature comparison
ActiveCN110245613ACalculation speedHigh precisionCharacter and pattern recognitionDigital dataData set
The invention discloses a ship plate recognition method based on deep learning feature comparison, and the method employs a deep learning convolutional neural network technology to construct a ship plate detection model and a ship plate character recognition model, is fast in calculation speed and high in precision, and has very high robustness for a variety of illumination, backgrounds, environments, ship appearance changes and the like. Variability and diversity of Chinese characters in ship plate character recognition are fully considered; the number recognition and the Chinese character recognition of the ship plate characters are separately processed; a staged training method is adopted, wherein the method comprises the following steps: firstly, performing training on a ship license digital data set based on logistic loss and cense entropy loss; and carrying out training on the ship plate Chinese character data set based on the logistic loss and the triplet loss, so that the training efficiency and the convergence speed are ensured. In addition, based on triplet loss training, the situations of more types and uniform distribution of ship plate Chinese character data sets can be effectively handled, the inter-class difference is increased while the distance in the class is reduced, and the recognition effect is improved.
Owner:珠海华园信息技术有限公司
Rapid comparison of similar data strings
ActiveUS7548652B1Fast and reliable methodRapidly eliminating anomalous entriesDigital data information retrievalCode conversionAlgorithmTheoretical computer science
A comparison routine for comparing two data strings includes pre-processing, copying letters and digits into local buffers, comparing the contents of the local buffers using a left-to-right, walk-forward scanning algorithm, including selecting a first item from each buffer and comparing them and, if the two first items are the same, advancing to the next two items from each buffer, continuing with the comparison of subsequent buffer items until all pairs of items have been compared as long as no mismatch of items is found, and when a mismatch is encountered, the algorithm looks ahead in the data strings, searching for an identifiable pattern. A pair of independent search pointers are initially set to a first character in each data buffer and adjusted if a matching character pattern is found. A processing loop sequentially tests for a number of character patterns. If a matching character pattern is found, the match is scored, incrementing the score by one point for each matching character pattern that is found. If none of the character patterns is found, or the end of either string is reached, the processing loop is exited and the scoring data is collected.
Owner:ORACLE INT CORP
Index-based Java software code clone detection method
ActiveCN104572471ASolving inefficienciesSolve the problem of large time consumptionSoftware testing/debuggingProgram/content distribution protectionParallel computingTime complexity
The invention discloses an index-based Java software code clone detection method. The index-based Java software code clone detection method employs the strategy that code segment information caching and memory index comparison are integrated and includes pre-saving code segment information of each source file in the memory index in the beginning; adopting the index searching method with time complexity to perform memory comparison. According to the arrangement, by caching the code segment information, the problem of the traditional method of low efficiency caused by rebuilding of a data structure in the case of every clone detection is solved; in the memory index comparison way, the problem of the traditional method of long period caused by pair comparison is solved.
Owner:HANGZHOU DIANZI UNIV
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