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Massive point cloud data processing and visualization method and system

A point cloud data, massive technology, used in still image data browsing/visualization, image data processing, electrical digital data processing and other directions, can solve the problems of insufficient memory, slow loading of massive point cloud data, and time-consuming, etc. Display effect, constant network transmission rate, smooth rendering effect

Pending Publication Date: 2021-12-10
深圳市中地软件工程有限公司
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Problems solved by technology

[0005] The purpose of the present invention is to overcome the shortcomings of the prior art, provide a massive point cloud data processing and visualization method and system, solve the problems of slow loading speed, long time consumption and insufficient memory of massive point cloud data, and improve display efficiency and display Effect

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  • Massive point cloud data processing and visualization method and system
  • Massive point cloud data processing and visualization method and system
  • Massive point cloud data processing and visualization method and system

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Embodiment Construction

[0055] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0056] In the following text, many aspects of the invention will be better understood with reference to the accompanying drawings. Components in the figures are not necessarily drawn to scale. Instead, emphasis is placed on clearly illustrating the components of the invention. Furthermore, like reference numerals indicate corresponding parts throughout the several views of the drawings.

[0057] As used herein, the word "exemplary" or "illustrative" means serving as an example, instance, or illustration. Any implementation described herein as "exemplary" or "illustrative" is not necessa...

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Abstract

The invention relates to the technical field of point cloud data processing, in particular to a massive point cloud data processing and visualization method and system. The method are characterized by comprising the following steps: S1, carrying out data acquisition: acquiring a point cloud data file with a tiling characteristic; S2, carrying out data partitioning: performing quadtree partitioning on the point cloud data according to set tile capacity to obtain a plurality of pieces of block data; S3, carrying out data thinning: carrying out thinning processing of keeping a surface feature form on the divided different blocks of data; S4, carrying out node combination: carrying out node reverse combination on the block data obtained through thinning processing; S5, establishing a cascade relationship for the thinned and merged block data, and constructing an LOD detail level model; S6, constructing an index file: efficiently compressing the block data, and constructing a cache top-level data index file; and S7, carrying out visual rendering. The problems of low loading speed, long time consumption, insufficient memory and the like of the massive point cloud data are solved, and the display efficiency and the display effect are improved.

Description

technical field [0001] The invention relates to the technical field of point cloud data processing, in particular to a massive point cloud data processing and visualization method and system. Background technique [0002] With the continuous increase of the target scene and the increasing complexity of the scene, the amount of data obtained is also increasing, which poses new challenges to the traditional point cloud data processing and visualization algorithms. At present, the display effect of point cloud data for small data volume is relatively smooth, but when the point cloud data is large, the number of display frames of the loaded file is relatively low, which not only requires a long waiting time, but also causes the software to freeze. Therefore, how to efficiently process massive point cloud data and quickly display it in the system has become an urgent problem to be solved. [0003] At present, some methods of processing and displaying massive point cloud data use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T15/00G06F16/172G06F16/174G06F16/54
CPCG06T17/005G06T15/005G06F16/1744G06F16/172G06F16/54
Inventor 吴信才吴亮万波黄波李清清陈小佩王鹏张建新段丹
Owner 深圳市中地软件工程有限公司
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