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481 results about "Information visualization" patented technology

Information visualization or information visualisation is the study of (interactive) visual representations of abstract data to reinforce human cognition. The abstract data include both numerical and non-numerical data, such as text and geographic information. However, information visualization differs from scientific visualization: "it's infovis [information visualization] when the spatial representation is chosen, and it's scivis [scientific visualization] when the spatial representation is given".

Method for visualizing multi-dimensional time sequence information

The invention discloses a method for visualizing multi-dimensional time sequence information, which aims to solve the problem that the same view cannot disclose the multi-dimensional distribution and the time-evolution characteristics of a data set. The technical scheme comprises the following steps: firstly, establishing a multi-dimensional time sequence coordinate system; secondly, calculating a related coefficient of any two dimensions in a multi-dimensional time sequence data set; thirdly, regulating the dimensional axis of the multi-dimensional time sequence coordinate system according to the related coefficient, and demarcating the positive direction of the dimensional axis of the multi-dimensional time sequence coordinate system; fourthly, calculating the Descartes coordinate representation, of the multi-dimensional time sequence data set, recorded in the multi-dimensional time sequence coordinate system; fifthly, establishing an objective function, solving an optimum value of the objective function, positioning all record entries of the multi-dimensional time sequence data set; and finally, rendering a point cloud formed by the multi-dimensional time sequence record to obtain a visualization result of the multi-dimensional time sequence data set. By adopting the method for visualizing the multi-dimensional time sequence information, the multi-dimensional distribution character and the time-evolution characteristics of the multi-dimensional time sequence data set can be visualized in the same view at the same time, so that the complex degree and the randomicity of dimensional axis configuration are lightened effectively and the time complex degree of dimensional operation is reduced.
Owner:NAT UNIV OF DEFENSE TECH

Three-dimensional visualization engine and WEB application calling method based on BIM model

ActiveCN107193911AReduce rendering loadGeometric CADWebsite content managementTerrainSimulation
The present invention discloses a three-dimensional visualization engine and a WEB application calling method based on the BIM model. The method comprises: carrying out geomorphic modeling according to the digital elevation model and the terrain topography; according to the different modeling software, carrying out model uploading and registration based on the plug-in; optimizing the model resource according to the algorithm, calculating the multi-level LOD in real time, and storing the model resource; carrying out online transmission and offline download on three-dimensional scene data from a server to a client in a cloud+end mode; and supporting the model interaction on the client, and ensuring the scene to be smoothly displayed through scene optimization. According to the technical scheme of the present invention, a smooth three-dimensional visualization real-time rendering engine can be provided for the model with increasing volume at present, contradiction between the model volume and the client computing performance can be solved, and the technical scheme has significant value, and economic and social benefits to realize building information visualization and information collaborative sharing in the whole life cycle and to realize model efficiency maximization.
Owner:北京比目鱼信息科技有限责任公司

Visual implementation method of BIM model in three-dimensional large scene

The invention discloses a visual implementation method of a BIM model in a three-dimensional large scene, and relates to the field of building information model visualization. The visual implementation method comprises the following steps: firstly, establishing a three-dimensional space division grid according to the dimension of a range of all member models contained in each BIM model; then organizing the member models in each grid block to combine and generate a precise model of a single grid block; recombining and generating a simplified model with consistent shape and appearance according to vein use conditions by using the obtained precise model; and finally, loading and displaying the precise model or the simplified model of the BIM model in the three-dimensional large scene according to a selected display mode and an index number. According to the visual implementation method disclosed by the invention, on the basis of guaranteeing the application of the BIM model, all members of each BIM model are divided according to the three-dimensional space division grid by means of the space grid idea, and the members in the grid are merged to reduce the number of the models of the index and improve the loading efficiency of the BIM model.
Owner:CHONGQING SURVEY INST

Three-dimensional ring visualization method of multi-branch tree data structure

The invention relates to a three-dimensional ring visualization method of a multi-branch tree data structure. The method comprises the following steps: 1) establishing the mapping relationship between the multi-branch tree data nodes and the nodes in the visualization methods to realize that the node information expressed by the visual nodes in each visualization method correspond to that of the corresponding multi-branch tree data nodes; 2) determining the node data of the multi-branch tree data structure and the information visual parameter; 3) determining the parameters of the visual nodes; 4) determining the expression way of the relationships of nodes (the relationship of brother nodes and the relationship of father and son nodes), modifying or adding the related parameters of the visual nodes with the expression demand; and 5) according to the parameters set by the step 2), 3) and 4), combining the information visualization of the multi-branch tree data nodes with the visual curved nodes to realize the three-dimensional visualization display of the multi-branch tree; and ensuring that the overall visual shape of the combined nodes still corresponds the characteristics of thearc body, and maintaining the characteristics of layers, clusters and other structures. The method is simple and has good application effect.
Owner:BEIHANG UNIV

Emergency plan generating system and method

The invention discloses an emergency plan generating system and method, belonging to the field of emergency plan generating technology and realized on the basis of a database and application software. The system comprises a plan information extraction module, a plan database, an accident information visualization acquisition module, an accident information processing module, a disposal flow reediting module, a disposal flow verification module and a plan generating module, wherein all the modules are both independent from each other and are interrelated with each other; the emergency plan generating system is realized based on the system and has a full-flow visualization characteristic and can add temporary information. According to the invention, through full flow visualization, the requirement on professional knowledge of an organizer is reduced and the disposal flow of the plan is clearly described; temporary information can be added during plan generating process, thus improving emergency response capability and close relation between the plan and reality; a template meeting national plan standardization requirement is used for generating a file, thus ensuring the standardization of the generated plan. The invention can be used for rescue and disposal of accidents such as fire disasters, explosion, chemical leakage and the like in safety production.
Owner:XIDIAN UNIV

Wisdom archive big data platform system

The invention discloses a wisdom archive big data platform system comprising an archive wisdom hand-over sub-system, an archive wisdom sorting and filing sub-system, an archive wisdom repository management system (comprising an entity or virtual archive), an archive repository environment monitoring control system, an archive repository safety management system, an archive wisdom utilization sub-system, an archive wisdom area management sub-system, an archive information visualization sub-system, and an archive wisdom management integration application platform sub-system. The data of the various sub-systems is stored in a data center, and information exchange is completed by the data center. The various sub-systems are integrated into a unified integrated application platform, which is used to provide business application unified management. The integrated application platform system adopts a novel archive whole life cycle management technology, and comprises a whole set of software hardware systems used for integrating sorting management of files and management application of files together and a plurality of intelligent full-automatic devices. Unified management of archive files from the generating, the processing and the sorting, to the utilizing of the archive files is realized, and the linked and intelligent management of the various systems is realized.
Owner:山西三友和智慧信息技术股份有限公司

Wearable lower limb movement correcting system based on cloud detection

InactiveCN108720841AMake it wearableRealize all-weather measurementDiagnostic signal processingSensorsMuscle forceGait analysis
A wearable lower limb movement correcting system based on cloud detection comprises a lower limb movement state acquiring module, a data transmission module, a movement state information visualizationand three-dimensional human body posture reappearance module arranged on a mobile terminal and a data processing module including a cloud platform, wherein the lower limb movement state acquiring module is connected with the data transmission module through a bus and transmits sensor signals, the data transmission module receives the sensor signals, sorts, integrates and packs formats, then is connected with the movement state information visualization and three-dimensional human body posture reappearance module in a wireless way and transmits movement postures and muscle force state data, the movement state information visualization and three-dimensional human body posture reappearance module transmits the data to a cloud platform through a network in real time so as to perform big datatraining and storage based on a database, and the data processing module transmits trained and processed three-dimensional human body posture and gait analysis data back to the mobile terminal througha wireless network so as to display action correcting information.
Owner:SHANGHAI JIAO TONG UNIV
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