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Three-dimensional model monomer method and device

A three-dimensional model, singulation technology, applied in the information field, can solve the problem of low singulation efficiency, achieve the effect of rapid singulation, improve data processing efficiency, and reduce the amount of calculation

Active Publication Date: 2022-02-15
中国人民解放军61646部队
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main purpose is to solve the problem of low monomerization efficiency in the prior art

Method used

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  • Three-dimensional model monomer method and device
  • Three-dimensional model monomer method and device

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Experimental program
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Effect test

Embodiment 1

[0029] The present invention provides a three-dimensional model singulation method, the process of which is as follows figure 1 As shown, the detailed steps are described as follows:

[0030] S1: Obtain 3D model data of the scene by means of oblique photogrammetry or lidar scanning, and generate a 3D model of the scene; perform multi-scale gridding and coding on the 3D model of the scene.

[0031] S11: The 3D model data of the scene can be obtained by oblique photogrammetry or lidar scanning, etc. The basic units that make up the 3D model are diverse, and can be in various forms such as triangular patches, voxels, and multiple deformations;

[0032] It should be noted that the 3D model obtained by the above method belongs to the entire scene, and it is still impossible to separate a single object in the entire scene, let alone edit, organize, and manage the 3D model of the object.

[0033] S12: Perform multi-scale gridding and encoding on the three-dimensional scene model gen...

Embodiment 2

[0056] The single 3D model can provide important support for urban planning and smart city construction, and the single 3D model associated with events and with rich attribute information can not only be used for urban construction, but also provide an important basis for command decision-making. The technical solution of this embodiment obtains hot events through network means, and then by extracting the location information of hot events, correlating with the single 3D model of the target object obtained according to the method of Embodiment 1, respectively constructing event-centered knowledge Atlas and geospatial location-centered knowledge atlas, the two knowledge atlases are associated and fused, and finally a single multidimensional model is obtained, which contains all elements of geospatial information and provides important support for command decision-making.

[0057] On the basis of the technical solution of the first embodiment, the technical solution of this embod...

Embodiment 3

[0077] Furthermore, another embodiment of the present invention also provides a three-dimensional model singulation device as an implementation of the methods shown in the above embodiments. This device embodiment corresponds to the foregoing method embodiment. For the convenience of reading, this device embodiment does not repeat the details in the foregoing method embodiment one by one, but it should be clear that the device in this embodiment can correspond to the foregoing method implementation. Everything in the example. In the device of this embodiment, there are following modules:

[0078] Scene 3D gridding module: configured to obtain scene 3D model data by oblique photogrammetry or laser radar scanning, etc., to generate a scene 3D model; perform multi-scale gridding and coding on the scene 3D model; corresponding to the first embodiment Related content of step S1.

[0079] Vector data gridding module: configured to obtain the vector data of the target object that n...

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Abstract

The invention discloses a three-dimensional model monomer method and device, and belongs to the technical field of information. According to the technical scheme, on the basis of a multi-scale integer coding method of a three-dimensional space, a three-dimensional model monomerization problem is converted into a coding query problem, the data processing efficiency can be improved, the calculation amount can be reduced, and rapid monomerization of the three-dimensional model is achieved; position information of a hot event is extracted and is associated with a single three-dimensional model, a knowledge graph taking the event as the center and a knowledge graph taking the geographic space position as the center are respectively constructed, associated and fused, and finally a single multi-dimensional model and geographic space information containing total elements are obtained, so that important support is provided for command decision making.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a three-dimensional model singulation method and device. Background technique [0002] With the rapid development of technologies such as computers, sensors, oblique photography, 5G, and digital twins, users have been able to obtain real-time 3D information and build 3D models according to their needs. 3D models have become the fourth generation after sound, image, and video. The media has received extensive attention from all over the world and has been widely used in many fields such as digital cities, smart cities, and virtual reality. [0003] At present, the three-dimensional modeling of the real scene can be carried out through oblique photogrammetry technology, so as to obtain the three-dimensional model, but the various objects in this three-dimensional model are connected together, and the data volume of the individualized technology processed by the point cloud tec...

Claims

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Application Information

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IPC IPC(8): G06T17/20G06T3/00G06F16/36G06F16/29
CPCG06T17/20G06F16/367G06F16/29G06T3/06
Inventor 赖广陵龙恩王红钢曲小飞张开锋丁璐杨宇科吴翔宇张帆
Owner 中国人民解放军61646部队
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