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3D modeling method of complex buildings based on point cloud data

A technology of point cloud data and modeling method, applied in 3D modeling, image data processing, processing data acquisition/processing, etc.

Active Publication Date: 2020-09-18
XIAMEN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These studies have achieved good results, but there are rare reports on the 3D modeling of complex buildings such as tulou

Method used

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  • 3D modeling method of complex buildings based on point cloud data
  • 3D modeling method of complex buildings based on point cloud data
  • 3D modeling method of complex buildings based on point cloud data

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Embodiment Construction

[0053] The technical solutions of the present invention will be described in detail below in conjunction with specific embodiments.

[0054] At present, the red tourism in all parts of the country is in a good period of vigorous development. As an important red tourism destination, the former site of the Gutian Conference is the leader of Fujian's red tourism and has a more typical representative. Constructing a 3D model of the Gutian meeting site has important practical significance for the protection of complex buildings at the meeting site, the dissemination of revolutionary history, and cultural tourism such as virtual museums. The traditional 3D modeling method is based on close-range photos of objects or measuring the coordinates of individual points for manual modeling. The accuracy is not high, the model cannot be measured, and the frequent contact with buildings in the traditional measurement process is also harmful to cultural heritage. There are hidden dangers [12-1...

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Abstract

The invention discloses a complex building three-dimensional modeling method based on point cloud data. The method includes the following steps: step one, scanning a building by laser and obtaining complete laser point cloud data of the surface of the building; step two, constructing a two-dimensional line map of the building; and step three, reconstructing a three-dimensional entity model. The modeling method avoids restrictions of a conventional modeling method, and can construct a building three-dimensional model in a quick, accurate and highly efficient manner.

Description

technical field [0001] The invention relates to a modeling method, in particular to a three-dimensional modeling method for complex building bodies based on point cloud data. Background technique [0002] Terrestrial Laser Scanning (TLS) is an emerging high-precision three-dimensional scanning technology, also known as "real scene replication technology". It has the advantages of obtaining three-dimensional point cloud data of the object surface in a convenient, efficient and high-precision manner. At present, 3D laser scanning technology has been widely used in many fields such as forestry, topographic surveying and mapping, smart city, industrial measurement, deformation monitoring, digital cultural heritage protection and restoration, such as the protection of ancient architectural relics [1-2], Road modeling [3], marine surveying [4], natural disaster monitoring [5], digital city [6], etc., especially the digitalization of cultural heritage has become a research hotspot...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T17/00B29C64/386B33Y50/00
CPCB33Y50/00G06T17/00G06T2200/08G06T2207/10028
Inventor 朱顺痣何原荣郑渊茂潘火平何宇东
Owner XIAMEN UNIV OF TECH
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