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Switch cabinet point cloud indexing method and device based on octree

A switchgear, point cloud technology, applied in still image data indexing, still image data retrieval, special data processing applications, etc.

Pending Publication Date: 2021-09-10
GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, it is necessary to provide an octree-based switch cabinet point cloud indexing method and device to solve the problem of waste of switch cabinet point cloud data access performance in the prior art

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  • Switch cabinet point cloud indexing method and device based on octree
  • Switch cabinet point cloud indexing method and device based on octree
  • Switch cabinet point cloud indexing method and device based on octree

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Embodiment Construction

[0042] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the application and together with the embodiments of the present invention are used to explain the principle of the present invention and are not intended to limit the scope of the present invention.

[0043] The embodiment of the present invention provides an octree-based switch cabinet point cloud indexing method, combining figure 1 look, figure 1 A schematic flow chart of an embodiment of an octree-based switch cabinet point cloud indexing method provided by the present invention, including steps S1 to S4, wherein:

[0044] In step S1, the point cloud scanning data of the switchgear is obtained;

[0045] In step S2, according to the segmentation depth of the point cloud octree established corresponding to the point cloud scanning data, the point cloud scanning data is divided into at le...

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Abstract

The invention relates to a switch cabinet point cloud indexing method and device based on an octree. The method comprises the steps of obtaining point cloud scanning data of a switch cabinet; dividing the point cloud scanning data into at least one sub-cubic space body corresponding to different hierarchies according to the segmentation depth of a point cloud octree correspondingly established by the point cloud scanning data; scanning and traversing the at least one sub-cubic space body, determining a corresponding spatial index value, determining a corresponding octree code according to the spatial index value, and converting the octree code into a corresponding point cloud format file; and for different hierarchies, creating a point cloud format file of the at least one sub-cubic space body corresponding to the exclusive file storage. According to the data organization method realized based on the regular octree, operation such as indexing, storage and access search is optimized for the point cloud data of the switch cabinet, and performance waste is avoided.

Description

technical field [0001] The invention relates to the technical field of point cloud data processing, in particular to an octree-based point cloud indexing method and device for a switch cabinet. Background technique [0002] The switchgear object has the characteristics of large size and extremely large number of data points in the point cloud. In actual inspection and other projects, it is often necessary to use different resolution data to deal with different application content. In the process of geometric detection of the switchgear, the switchgear object has the characteristics of large volume and a particularly large number of data points in the point cloud. Moreover, in actual engineering, the detection accuracy requirements of different geometric detection items in different chamber parts are different. The overall appearance of the switchgear with low detection accuracy requirements is the flatness of the large plane on the surface of the cabinet, the length, width a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/51G06F16/55G06F16/53
CPCG06F16/51G06F16/55G06F16/53
Inventor 尹旷王红斌莫文雄方健
Owner GUANGZHOU POWER SUPPLY BUREAU GUANGDONG POWER GRID CO LTD
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