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Method and device for combining and processing three-dimensional grids, and storage medium

A processing method and 3D grid technology, applied in the field of data processing, can solve the problems of low efficiency in 3D reconstruction and visualization of large scenes, slow merging of 3D grids, and heavy workload, so as to improve the efficiency of 3D reconstruction and visualization, reduce Task volume and difficulty, effect of improving accuracy

Active Publication Date: 2021-12-07
BEIKE TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since it is necessary to traverse all the triangles of the 3D mesh of each block, the task of finding triangles that can be used for 3D mesh merging is relatively large and difficult, resulting in slow 3D mesh merging speed and 3D reconstruction of large scenes. Less efficient with visualization

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  • Method and device for combining and processing three-dimensional grids, and storage medium
  • Method and device for combining and processing three-dimensional grids, and storage medium
  • Method and device for combining and processing three-dimensional grids, and storage medium

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Embodiment Construction

[0026] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. It should be noted that relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

[0027] Those skilled in the art can understand that terms such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different steps, devices or modules, etc. necessary logical sequence.

[0028] It should also be understood that in the embodiments of the present disclosure, "plurality" may refer to two or more than two, and "at least one" may refer to one, two or more than two.

[0029] It should also be understood that any component, data or structure mentioned in the embodiments of the present disclosure can generally be understood as one or more unless there i...

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Abstract

The embodiment of the present disclosure discloses a method and device for merging processing of three-dimensional grids, and a storage medium, wherein the method includes: acquiring the first grid to be merged, the second grid, and the common plane; wherein the first The grid and the second grid are two grids constructed from two point clouds obtained by dividing the point cloud of the target scene by the common plane, or two grids constructed by dividing the point cloud of the target scene by the common plane two grids obtained by grid division; based on the first grid, the second grid, and the common plane, determine the first boundary of the first grid on the common plane, and the second boundary of the second grid on the common plane; based on the first boundary and the second boundary, the first grid and the second grid in the common plane grid for grid merging. The embodiments of the present disclosure can increase the speed of merging three-dimensional meshes.

Description

technical field [0001] The present disclosure relates to data processing technology, in particular to a method and device for merging processing of three-dimensional grids, and a storage medium. Background technique [0002] With the advancement of computer technology, 3D reconstruction and visualization are more and more widely used in large-scale scenarios such as architectural modeling, urban planning, architectural measurement, and 3D printing. At present, the divide-and-conquer method is often used to process large-scale data in large-scale scenarios, that is, first divide large-scale data into several small-scale data, then process several small-scale data separately, and then process several small-scale data Merge to obtain processed large data. [0003] Based on this, in the application of 3D reconstruction and visualization of large scenes, the common plane is usually used to divide the large scene into blocks, and then the 3D grid merging technology is used to mer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/20
Inventor 胡洋
Owner BEIKE TECH CO LTD
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