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67results about How to "Reduce collection workload" patented technology

Power grid project manufacturing cost analysis data collecting system and method

The invention discloses a power grid project manufacturing cost analysis data collecting system and method. The system comprises a user basic data maintenance module, a micro-blog file conversion engine and an Excel file import and export engine, wherein the user basic data maintenance module is used for managing a user, a department, a character and a resource, a user management module receives call of a service data processing module, the micro-blog file conversion engine is used for analyzing and processing micro-blog files, and converting the micro-blog files into files of the Data set format or the Xml format, the micro-blog files comprise 2008-edition manufacturing cost projects and 2012-edition settlement projects, the micro-blog file conversion engine receives call of the service data processing module, the Excel file import and export engine carries out import analyzing and export analyzing on an Excel of the xls format and an Excel of the xlsx format according to the configured files, a plurality of layers of column headers of the Excels can be identified through import analyzing, the needed Excel format can be generated automatically through export analyzing, and the Excel file import and export engine receives call of the service data processing module. According to the system and the method, the index data are firm in the follow-up upgrading and adjusting process.
Owner:STATE GRID CORP OF CHINA +2

Indoor map data building method and device and indoor positioning method and device

The invention provides an indoor map data building method and device and an indoor positioning method and device. The indoor map data building method comprises the steps that geomagnetic data, collected according to a preplanned indoor map collection path, of each collection point is obtained; according to the geomagnetic data of each collection point, the geomagnetic fingerprint of each collection point is determined; according to the geomagnetic fingerprint of each collection point, the geomagnetic fingerprint of each grid point obtained through partition of an indoor map is determined; the position information of each grid point and the corresponding geomagnetic fingerprint are used as indoor map data to be stored. The indoor positioning method on this basis comprises the steps that the geomagnetic data, collected in real time, of each collection point is obtained; according to the geomagnetic data, collected in real time, of each collection point, the corresponding geomagnetic fingerprint is determined; the determined geomagnetic fingerprint is matched with the indoor map data, and a positioning result is obtained through the position information, obtained through matching, of the grid points. By means of the indoor map data building method and device and the indoor positioning method and device, the geomagnetic data collection workload can be reduced.
Owner:图优化(北京)科技有限公司

Automatic vehicle-mounted three-dimensional laser point cloud facade classification and outline extraction method

The invention relates to an automatic vehicle-mounted three-dimensional laser point cloud facade classification and outline extraction method which comprises the following steps: (1) acquiring corresponding position and posture of a three-dimensional laser scanner at each scanning ring; (2) calculating the position relationship of adjacent points under theoretic vertical condition according to the position and the angular resolution of the scanner; (3) performing clustering analysis on facade points, thereby obtaining a building facade object list; (4) analyzing each facade object, screening, and excluding objects which do not belong to the building facade; (5) sequencing point cloud of each facade object in the length direction of the bottom side of the an outer box, and constructing a planar projection line object; (6) screening planar projection lines; (7) simplifying the planar projection lines, thereby obtaining a final projection line. Through the adoption of the method, facade point cloud and facade outline can be rapidly extracted, the processing process can be completely automatic without artificial interference, the facade acquisition workload in streetscape data production is greatly reduced, and the production cost is reduced.
Owner:WUHAN HI TARGET DIGITAL CLOUD TECH CO LTD

Indoor positioning map construction method based on trajectory correction and fingerprint improvement

The invention discloses an indoor positioning map construction method based on trajectory correction and fingerprint improvement. The method comprises the following steps: dividing a target area intoa plurality of grids which are similar in areas and not overlapped, and the acquired Wi-Fi and sensor information of a pedestrian trajectory sample is used for constructing an indoor positioning map.Firstly, the original trajectory information is used for constructing the indoor positioning map, each grid in the map has a supporting set-grid structure, and besides the data such as RSS, the structure also comprises adaptability of the supporting set data storage confidence degree and fitting degree of the fingerprint AP reliability degree. For the surplus trajectory, a selectable filter schemeis used, the established map is used for fingerprint positioning the trajectory, and by combining the original trajectory information, a corrected trajectory can be obtained and can be used for improving the map. By adopting the method, while the indoor positioning map with the reasonable positioning precision is obtained, the correction of the trajectory is realized, and the trajectory is closerto an actual trajectory effect.
Owner:HUAZHONG UNIV OF SCI & TECH

Coal mine underground positioning method based on virtual training set and Markov chain

ActiveCN103796304AReduce collection workloadStrong theoretical research valueWireless communicationMarkov chainVirtual training
The invention discloses a coal mine underground positioning method based on a virtual training set and a Markov chain. According to the coal mine underground positioning method based on the virtual training set and the Markov chain, in an area, where a target needs to be positioned, under a coal mine, a plurality of beacon nodes are arranged and a plurality of sampling positions are selected reasonably, and an off-line virtual training set is established and an underground positioning algorithm is achieved according to the steps that an underground wireless sensor positioning network is constructed, the virtual training set is established in an off-line mode, on-line target positioning is conducted, and the Markov chain positioning algorithm based on the Gaussian model is formed. According to the coal mine underground positioning method based on the virtual training set and the Markov chain, wireless communication is applied to suitable coal mine underground communication and monitoring systems which are badly in need of wireless communication, research and implementation of the underground wireless positioning algorithm are achieved, and the theoretical research value and the market application value are high; the movement state of the target and the characteristics of node sampling are fully considered, serious hopping which can be caused by estimation of the position of the moving target is restrained, positioning precision is improved, and the position root-mean-square error is 3.217 m in a 80-meter position area.
Owner:INNER MONGOLIA UNIV OF SCI & TECH

Indoor corner landmark matching and identification method based on crowdsourcing trajectories

The invention discloses an indoor corner landmark matching and identification method based on crowdsourcing trajectories. The method comprises the steps that landmark two-dimensional coordinate information of an indoor layout map is obtained; N signal sources are arranged in a target zone so that a user terminal can acquire signals of at least one signal source; marked and non-marked trajectories are acquired and are divided into trajectory windows; targeted characteristics are extracted from the marked trajectory windows, and a posture group identification classifier and a corner identification classifier are trained; the trained classifiers are utilized to identify corner landmarks of the non-marked trajectories, and RSS data of positive windows in the windows is extracted; a multidimensional scale analysis algorithm is utilized to reduce dimensionality so as to reach multiple dimensions, and clustering and matching are performed respectively; a voting algorithm is adopted to make effective sampling values correspond to certain corners according to clustering and matching results under multiple dimensions, and invalid sampling values are filtered; corner landmark fingerprints are generated according to the matching results. Compared with existing corner landmark identification method, the identification performance is improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Self-service all-in-one machine based on face detection and character recognition and using method thereof

The invention discloses a self-service all-in-one machine based on face detection and character recognition and a using method thereof. After a second-generation ID card is read and the identity of an applicant is verified, application information collection, application material photographing, identification picture photographing, picture quality detection and queuing number receiving are integrated, and the problem that queuing is needed multiple times for the multiple links is solved; according to the file photographing mode, application materials are collected in a paperless mode, the problem that paper materials are not likely to be circulated or stored is solved, efficiency is improved, and the cost is saved; according to the applicant face position, a camera is automatically moved to the best photographing position, automatic photographing, automatic cutting and automatic quality detection are performed, and the problem that manual picture photographing quality is not high is solved; according to the mode that the applicant types in application information in a self-service mode, the acceptance link information collection workload of an accept person is lowered, the accept person can pay more attention on the working aspect of material checking, and the acceptance working efficiency is improved.
Owner:天津中邦信息技术有限公司

Near field calibration method for active phased array radar antenna

The invention discloses a near field calibration method for an active phased array radar antenna. Problems existing in the prior art, such as wide calibration scanning range, low precision, high computational effort and the like, are mainly solved. The near field calibration method comprises the following steps: calibrating channel numbers, and establishing a channel mapping relation; configuringoff-net frequency parameters, and inputting interchannel spacing; sequentially powering up antenna units; setting channel amplitude of the antenna units to be 0 one by one, setting the phase as 0 degree, and setting poles for residual channels of the antenna units; setting the channel amplitude as 0, and setting the phase as 180 degrees; solving first real-time amplitude and a first real-time phase of the channel; setting the channel amplitude as 0, and sequentially setting the phases as K degrees and (180 plus K) degrees, and solving second real-time amplitude and a second real-time phase ofthe channel; reversing the data of the first real-time phase to the channels. The near field calibration method disclosed by the invention has the advantages of high calibration efficiency, low energyconsumption, high precision, less computational effort and the like, and has wide market prospects and popularization value in the technical field of active phased array radar antennas.
Owner:成都锐芯盛通电子科技有限公司

Method for identifying semantic information of indoor scene point cloud component

The invention relates to an indoor scene point cloud part semantic information recognition method, and the method specifically comprises the following steps: obtaining three-dimensional laser point cloud data of an unknown semantic category, putting the three-dimensional laser point cloud data into point cloud data of a known category, and obtaining a known-unknown confused point cloud data set; extracting global features of the point cloud data set in the high-dimensional space; dimension reduction processing is carried out on the global features in the high-dimensional space; clustering theclusters obtained after dimension reduction to obtain a cluster set of samples in a low-dimensional space; on the basis of low-dimensional spatial clustering, for sample points in each cluster, a known semantic sample and an unknown semantic sample are found respectively, and semantic assignment is performed on the unknown semantic sample by using category information of the known semantic sample.Compared with the prior art, the method has the advantages that semantic information of a large batch of object point clouds can be obtained only by using a small number of known samples; the methodis low in memory overhead, obviously improves the calculation efficiency, and has low requirements on a computer.
Owner:TONGJI UNIV

Sign language recognition and skeleton generation method based on RNN

The invention discloses a sign language recognition and skeleton generation method based on RNN, and the method specifically comprises the following steps: step 1, collecting a skeleton frame sequenceof a Chinese sign language through employing a Kinect RGB-D data set, inputting the skeleton frame sequence into an RNN hidden layer for twice coding reconstruction, and calculating and outputting aChinese sign language semantic label; step 2, according to Chinese sign language semantics, generating a skeleton sequence with the same probability density distribution as the encoded probability density distribution in the step 1, and decoding the skeleton sequence through a secondary probability model; and step 3, inputting the skeleton sequence decoded in the step 2 into the step 1 for identification, calculating the loss amount of generated data and real data, returning errors, continuously updating system parameters and minimizing a loss function, thereby finally obtaining a skeleton identification and generation framework for identification and generation of Chinese sign language. When CSL semanteme is given, various Chinese sign language skeleton sequences with different styles canbe automatically identified and drawn by using the method, and communication between deaf people and ordinary people is facilitated.
Owner:XIAN TECHNOLOGICAL UNIV

Method, device and equipment for inverting rainfall distribution by using base station signal and medium

The embodiment of the invention discloses a method and a device for inverting rainfall distribution by using a base station signal, equipment and a medium, and the method comprises the steps: obtaining the measurement information which is collected by each base station in each grid in a whole network base station grid diagram according to the whole network base station grid diagram of rainfall distribution, wherein the measurement information comprises a measurement report reported by each terminal meeting a rainfall sampling condition in the base station; For each base station, according to the attribute information of the base station, the parameter information corresponding to the base station and used for measuring the rainfall and the measurement report, obtaining attenuation, causedby rainfall, of each terminal in the base station; obtaining rainfall corresponding to the base station according to attenuation of all terminals in the base station caused by rainfall; And accordingto the rainfall corresponding to all the base stations in each grid, determining the rainfall of the grid area so as to obtain rainfall distribution information in a corresponding whole network range.According to the method, special measurement equipment does not need to be mounted in rainfall distribution measurement, so that the cost can be effectively reduced.
Owner:中国移动通信集团海南有限公司 +1

Target location method based on improved spectral clustering and cross reference technology

The invention discloses a target location method based on an improved spectral clustering and cross reference technology. The system comprises an underground location system, a ground data dispatchingcenter, a position node network, a signal emitter, a signal receiver, an underground exchanger, an underground location computer, and a bus; devices applied to the underground are intrinsically safe.The method is a underground coal mine worker location method based on the improved spectral clustering and cross reference technology; the method carries out location system position joint grid modeling according to a mine laneway environment; fingerprint data for meeting demand of multi-person location is acquired through the cross reference technology during the fingerprint collecting stage; the data training is carried out by using the improved spectral clustering algorithm in the offline training stage according to the position fingerprint data acquired in the fingerprint collecting stage, the fingerprint database is structured; through the improved spectral clustering algorithm, the real-time RSS data of the location target is matched with the offline fingerprint data in the online location matching stage, thus the accurate position of a located person is acquired. The method is high in location precision, short in running time, and very good in robustness and universality.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Voice data sample acquisition system and method based on verification code

The invention discloses a voice data sample acquisition system and method based on a verification code. A user terminal is connected with a voice verification and acquisition module, a user sends a verification request through the user terminal, and the voice verification and acquisition module mainly consisting of a sample acquisition server, a sample database, a calling terminal and a voice-to-text server is used for providing verification services for the user terminal; during use, the voice verification and acquisition module sends out standard text sample data according to the verification request, the user reads text content of the standard text sample data through the user terminal according to an instruction, and then a voice sample is obtained. The voice verification and acquisition module carries out voice-to-text processing on the voice sample to obtain a real-time text sample, carries out verification and comparison and acquires the voice sample if the comparison is successful or discards the voice sample if the comparison fails. In the whole process, only the user needs to participate in verification, and on-site acquisition is not required. Compared with a traditionalmanual input method, the method has the advantages that the voice sample acquisition workload is small, and the input of the sampling cost is lower.
Owner:中国东盟信息港股份有限公司

An Indoor Positioning Map Construction Method Based on Trajectory Correction and Fingerprint Improvement

The invention discloses an indoor positioning map construction method based on trajectory correction and fingerprint improvement. The method comprises the following steps: dividing a target area intoa plurality of grids which are similar in areas and not overlapped, and the acquired Wi-Fi and sensor information of a pedestrian trajectory sample is used for constructing an indoor positioning map.Firstly, the original trajectory information is used for constructing the indoor positioning map, each grid in the map has a supporting set-grid structure, and besides the data such as RSS, the structure also comprises adaptability of the supporting set data storage confidence degree and fitting degree of the fingerprint AP reliability degree. For the surplus trajectory, a selectable filter schemeis used, the established map is used for fingerprint positioning the trajectory, and by combining the original trajectory information, a corrected trajectory can be obtained and can be used for improving the map. By adopting the method, while the indoor positioning map with the reasonable positioning precision is obtained, the correction of the trajectory is realized, and the trajectory is closerto an actual trajectory effect.
Owner:HUAZHONG UNIV OF SCI & TECH

Micro-lysimeter soil sample collecting method

The invention discloses a micro-lysimeter soil sample collecting method which is designed in order to reducing the damage on a soil sample original state. The micro-lysimeter soil sample collecting method comprises the steps of adopting the same original point as a circular center, and drawing a collecting circle adopting a first diameter as the diameter, and a hole digging circle adopting a second diameter as the diameter in a soil sample collecting area center; on the sample collecting circle, adopting a soil sample collecting cutter to insert into a lower soil layer, separating a cylindrical soil sample to be collected from soil around the soil sample, digging and removing a half of soil at an annular structure part between the collecting circle and the hole digging circle, and forminga notch under the cylinder to be collected; jacking the cylindrical soil sample to be collected, and bringing back to a sample plot for carrying out a soil lysimeter experiment. According to the micro-lysimeter soil sample collecting method provided by the invention, the occurrence of the phenomenon that a soil sample is too big or too small or a shape drawing does not conform to the requirement of a micro-lysimeter on the soil sample after a soil sample is collected through a traditional method is avoided, and the workload of follow-up processing after the soil sample is collected is reducedto a large extent.
Owner:GUIZHOU UNIV
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