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150results about How to "Realize the mapping" patented technology

Health monitoring method for numerical control machine tool

ActiveCN105974886AClear running processThe data is relatively scientific and reasonableProgramme controlComputer controlNumerical controlHealth index
The invention discloses a health monitoring method for a numerical control machine tool, and the method comprises the steps: (1), executing a self-inspection G instruction, and collecting the operation state data; (2), building the mapping relation between the collected operation state data and the self-inspection G instruction, and forming an instruction domain mapping ensemble; (3), dividing the instruction domain mapping ensemble according to the self-inspection G instruction, extracting the instruction domain mapping under the self-inspection G instruction, obtaining the operation state data under the self-inspection G instruction, calculating an actual characteristic value according to the operation state data, comparing the actual characteristic value with a standard characteristic value, and obtaining a health index through calculation. The method improves the calculation basis of a key health index of the numerical control machine tool, the calculation method of the health index and the display mode of the health index, and can effectively solve a problem that the judgment of the health condition of the numerical control machine tool is not timely and accurate. Moreover, the obtained health index of the numerical control machine tool is displayed in a visualized manner, thereby improving the interaction effect of the numerical control machine tool with a person.
Owner:HUAZHONG UNIV OF SCI & TECH

Antagonistic cross-media search method based on limited text space

The invention discloses an antagonistic cross-media search method based on limited text space. The method comprises the steps that a characteristic extraction network, a characteristic mapping networkand a modality classifier are designed, the limited text space is obtained by learning, image and text characteristics suitable for the cross-media search are extracted, and the mapping of the imagecharacteristic from image space to text space is achieved; the difference among characteristic distributions of different modality data is constantly reduced in the learning process by an antagonistictraining mechanism; and thereby the cross-media search is achieved. The antagonistic cross-media search method based on the limited text space has the advantages that behavioral expressions of peoplein cross-media search tasks can be better fitted; the image and text characteristics more suitable for the cross-media search tasks are obtained, and the defects of pre-training characteristics in anexpressive ability are made up; and the antagonistic learning mechanism is introduced, so that the search accuracy is further improved through the maximum minimum game between the modality classifierand the characteristic mapping network.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Method of redirection walking in virtual reality

The invention provides a method of redirection walking in virtual reality. The method of redirection walking in virtual reality includes the steps: by means of a position sensor, acquiring the practical position coordinates of the user in the practical activity space; acquiring the current position information and the predicted position information of the user in a virtual scene; according to the pre-stored size information of the practical activity space, the practical position coordinates and the current position information and the predicted position information in the virtual scene activity space, and using the redirection walking algorithm to calculate the position coordinates of the next step of the user in the practical activity space; and according to the position coordinates of the next step, guiding the user to perform redirection walking in the practical activity space. The method of redirection walking in virtual reality can acquire the walking path information of the user in the practical activity space according to the virtual scene, and can guide the user to walk freely in the virtual world without exceeding the boundary of the real world, thus enlarging the activity space of the virtual world, and realizing the mapping from the limited practical space to the virtual infinite space.
Owner:视境技术(深圳)有限公司

Geographic information system (GIS)-based industrial cluster information integration service system and method

The invention relates to the field of industrial cluster information integration services, in particular to a geographic information system (GIS)-based industrial cluster information integration and service method and an information integration service system adopting the same. The system mainly comprises a spatial information management subsystem, an attribute information management subsystem, a data element input subsystem, a spatial analysis and policy-making subsystem and a system management and maintenance subsystem. The GIS-based industrial cluster information integration service system and the GIS-based industrial cluster information integration method of the invention have the advantages of introducing advanced GIS technology to realize the mapping and corresponding of spatial information and many kinds of attribute information and meet the requirements of system users on the advancement, accuracy and timeliness of geographic information and technical information, and visibly, conveniently and fast providing the public service support of the resources of geographic orientations, equipment, technology, processes, products and the like for enterprises in and among clusters by utilizing content-based information processing technology and performing intelligent analysis through networks.
Owner:BEIJING ZHONGJIKEHAI TECH & DEV

Large power grid overall situation on-line integrated quantitative evaluation method based on response

The invention provides a large power grid overall situation on-line integrated quantitative evaluation method based on a response. The method comprises a first step of acquiring power grid topology structural information from an SCADA system and an EMS system and establishing a corresponding relation between the power grid topology structural information and a WAMS system power grid component, a second step of acquiring present power grid operation method trend data from the SCADA system or the EMS system or a WAMS system or acquiring various preconceived trends or transient state fault time domain data from a DSA system, and a third step of dividing responding data into two operation scenes including a steady state (or a quasi-stable state) and a transient state (or a dynamic state) in a macroscopic mode, wherein static state stabilization situation assessment is carried out on a power grid through an on-line node-facing method, and transient state stabilization situation assessment is carried out on the power grid through an on-line unit-facing method. Static state and transient state comprehensive assessment indicators are constructed based on component class thermostabilization, electric parameter acceptable range and system class stabilization, the comprehensiveness and reasonability of the overall situation assessment indicators are improved, and the efficiency of overall situation integrated assessment is improved through the method that tasks are carried out at the same time.
Owner:STATE GRID CORP OF CHINA +1

General packing method for FPGA (field programmable gate array) configurable logical block (CLB)

The invention belongs to the technical field of electronics, in particular to a general packing method for an FPGA (field programmable gate array) configurable logical block (CLB). The method comprises the following steps: configuring and describing chips of the FPGA CLB as a series of directed simple graphs for constraining a satisfaction problem picture matching method; and then identifying a logical function sub-circuit supported by the chip from a user circuit by using the constraint satisfaction problem picture matching method, and packing. According to the invention, only if a library file which describes a target FPGA logical function circuit is pre-defined, the FPGA chips of different structures, such as various functional configurations of a quick carry chain, a distribution type memory, a shift register, an LUT5 (local user terminal 5), an LUT6 (local user terminal 6) and the like can be packed, thereby effectively improving the utilization rate of the logical resources of the chips, and improving the time sequence performance of the circuit. According to the invention, the circuit is optimized according to the appointed requirements, and the mapping of various modularized circuits is realized, thus the method has significant application in system architecture designs and reconfigurable systems.
Owner:FUDAN UNIV

User-oriented database management system

The invention discloses a user-oriented database management system, comprising backstage databases, a management platform and a client, wherein the management platform is provided with a data management module, a configuration information module, a query condition management module and a query sentence edit module; the client is provided with query interfaces, and the management platform can login through any query interface; the data management module is connected with the backstage databases, and one or more database applications are set in the backstage databases; and the configuration information module sets configuration data for each backstage database, outputs a conditional variable set to the query condition management module and outputs a primary query sentence set and data connection parameters to the query sentence edit module. As the conditional variables in the conditional variable set correspond to the query conditions displayed on the query interfaces one by one, the query conditions are transferred to parameter sequences to replace the variable names of the conditional variables in the primary query sentences, therefore, the query conditions are selected by a user and then are dynamically combined with the conditional variables and the primary query sentences, query systems can be dynamically managed, and the query functions of the original system can be expanded.
Owner:重庆亿煊新材料科技有限公司

Resource scheduling allocation method, computer system and super-fusion architecture system

ActiveCN108196958ASecure available resourcesReduce resource contentionResource allocationVirtual memoryComputerized system
The invention relates to a resource scheduling allocation method, a computer system and a super-fusion architecture system. The resource scheduling allocation method comprises the steps of determiningan overall configuration demand of a virtual NUMA structure corresponding to a virtual machine, wherein the overall configuration demand comprises sub-configuration demands of a virtual NUMA node, and the sub-configuration demands include a first configuration demand for a virtual CPU core and a second configuration demand for a virtual memory; determining overall resource availability of a physical NUMA structure, wherein the overall resource availability comprises sub-resource availability of a physical NUMA node, and the sub-resource availability includes first resource availability for aphysical CPU core and second resource availability for a physical memory; and based on the overall configuration demand and the overall resource availability, establishing a corresponding relationshipbetween the virtual NUMA node and the physical NUMA node. The resource scheduling allocation method realizes mapping and binding of the virtual NUMA structure and the physical NUMA structure, so thatphysical resources are reasonably allocated.
Owner:武汉泽塔云科技股份有限公司

An objective evaluation method of full-reference stereo image quality based on visual salient image feature enhancement

The invention discloses an objective evaluation method of full-reference stereo image quality based on visual salient image feature enhancement. At first, a stereoscopic image is converted from an RGBcolor space to a YIQ color space, The brightness components are extracted from Y-channel to obtain disparity map and visual saliency map, and then the left and right views of Y-channel are fused to obtain the intermediate image, and then the edge/texture and depth information features with significantly enhanced vision are extracted, and similarity measurement is carried out to obtain the corresponding measurement index. Secondly, color information features are extracted from I and Q channels of stereoscopic images, binocular fusion and similarity measurement are carried out, and color information metrics with significantly enhanced vision are obtained. Finally, all the metrics are predicted by support vector regression training, and the objective quality score is obtained. Experiments show that the objective evaluation and the subjective evaluation of the stereoscopic image quality proposed by the invention have good consistency, and the performance is superior to most existing stereoscopic image quality evaluation methods.
Owner:ZHEJIANG UNIV

Fat tree type network-on-chip mapping method based on differential evolution and predatory search strategy

ActiveCN102325089AOvercoming the problem of being easily trapped in a local optimal solutionOptimum Energy Consumption ResultsData switching networksLocal optimumArray data structure
The invention discloses a fat tree type network-on-chip mapping method based on a differential evolution and predatory search strategy, which comprises the following steps of: (1) initializing the current optimal mapping result and defining a plurality of peripheral solutions which use any one solution as a center to form a limit array in the solution space; (2) setting limit arrays R[0], R[1],..., R[T-1] with the limit total amount of T at the periphery of the current optimal mapping result and defining the current limit variable to be R[i]; (3) searching the periphery of the current limit variable R[i] by adopting a differential evolution method; if a better solution is found out, updating the current optimal mapping result and turning back to the step (2); otherwise, turning to the step (4); (4) updating the current limit variable i which is equal to i plus 1; if i is smaller than T-1, turning back to the step (3); and otherwise, outputting the current optimal mapping result. By using the method, the problem of local optimum is solved through adjustment of limitation, the network energy consumption is greatly reduced, the mapping running time is reduced and the mapping of a low-energy consumption and rapid large-scale IP (Internet Protocol) core in the fat tree type network on a chip can be realized.
Owner:陕西光电子先导院科技有限公司

Xerophthalmia grading evaluation system based on regional adaptive multi-task neural network

The invention discloses a xerophthalmia grading evaluation system based on a regional adaptive multi-task neural network. The system comprises a computer memory, a computer processor and a computer program which is stored in the computer memory and can be executed on the computer processor, wherein a trained xerophthalmia grading evaluation model is stored in the computer memory, and the xerophthalmia grading evaluation model comprises a VGG16 network, a regional recommendation network and a U-shaped full convolutional network. When the computer processor executes a computer program, the following steps are achievd by comprising steps of obtaining a to-be-tested original eyelid plate infrared image to carry out gray scale preprocessing, and carrying out bilateral filtering processing on asingle-channel gray scale image obtained after preprocessing; and inputting the processed image into a xerophthalmia grading evaluation model to obtain a xerophthalmia grading result, an eyelid platepositioning result and an alveolar segmentation result. According to the invention, automatic analysis of the eyelid plate infrared photograph can be realized, and auxiliary diagnosis of xerophthalmiagrading can be effectively carried out.
Owner:杭州求是创新健康科技有限公司

Universal automatic test system for rail transit signaling equipment

The invention discloses a universal automatic test system for rail transit signaling equipment, which has flexible interface and protocol configuration, automatic test and functions of equipment modeling and project management. The technical scheme is as follows: using keyword-based drivers, extensible, Easy-to-write test sequences are used as a way to edit test scripts, as the communication interface transmission mode require for supporting the signal equipment of the rail transit is interconnected with the test excitation source through the Ethernet, the coupling between the test excitationsource and the t excitation source is avoided, and the test interface mode can be added and configured according to the actual test interface requirement, so that the configuration of the communication protocol and the semantic definition and mapping are conveniently realized. Realize the closed-loop test management including system requirements, test requirements, requirements change management,test case management, test script framework import generation, test script editing, test plan generation, test plan execution, test process record, test report generation, automatic generation of round test plan according to defects, and so on, improve the degree of automation.
Owner:HUNAN CRRC TIMES SIGNAL & COMM CO LTD

RGB image spectrum reconstruction method and system, storage medium and application

The invention belongs to the technical field of hyperspectral image processing, and discloses an RGB image spectrum reconstruction method and system, a storage medium and application, and the method comprises the steps: constructing a backbone network of a hybrid 2D-3D deep residual attention network with structural tensor constraints; constructing a residual attention module, wherein the residualattention module comprises a plurality of 2-D residual attention modules and 3-D residual attention modules; respectively introducing a 2-D channel attention mechanism and a 3-D waveband attention mechanism into the 2-D deep residual attention network and the 3-D deep residual attention network; in combination with pixel values and structural differences of the hyperspectral image, adopting a mode of combining a structure tensor and MRAE as a loss function, and a finer constraint is formed. According to the method, end-to-end mapping from the RGB image to the hyperspectral image is realized,the characteristic response of the channel and the waveband dimension is self-adaptively recalibrated, the discriminant learning ability is enhanced, and the finer and more accurate hyperspectral image can be recovered in the training process.
Owner:XIDIAN UNIV

Method and system for locating failure of subway indoor distribution system

The invention discloses a method for locating a failure of a subway indoor distribution system. The method includes the steps that S1, a subway is subjected to geographical rasterization processing along a line; S2, a position fingerprint database of one-to-one mapping between geographical rasters and signal features of the indoor distribution system is established; S3, MR records reported periodically by a user terminal are collected and matched with the position fingerprint database; S4, the number of the matched MR records in the geographical rasters is counted; S5, according to the geographical rasters, the geographical position of the failure of the subway indoor distribution system is located. The invention further discloses a system for locating the failure of the subway indoor distribution system. Through measurement, a covering level feature fingerprint of each geographical raster in the subway is obtained to realize synchronous generation and mapping of the geographical rasters and the position fingerprint database, MR original files with the minimum time granularity are collected to realize relative and real-time localization for the failure of the subway indoor distribution system, and the failure of the subway indoor distribution system is accurately located.
Owner:中国联合网络通信有限公司湖北省分公司
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