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Research and Implement on the Algorithm of Point Cloud Simplification and Fast Reconstruction

Author: NiXiaoJun
Tutor: JiangXiaoFeng
School: Suzhou University
Course: Applied Computer Technology
Keywords: Reverse engineering Point cloud Streamline Triangular mesh surface Rapid Reconstruction Characteristics retained Multi-strategy
CLC: TP391.72
Type: Master's thesis
Year: 2010
Downloads: 212
Quote: 4
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Abstract


With the rapid development of three - dimensional measurement technology , people can easily access the physical model of a large number of scattered point cloud data , which greatly promoted the development of reverse engineering technology , the technology has now become a relatively independent research in CAD ??/ CAM systems and the application branch , but also the field of advanced manufacturing research focus. Scattered point cloud in reverse engineering technology , streamlining of the data as well as the reconstruction of the triangular mesh surface is an important foundation of the economy , the study of these two aspects of technology is of great significance to improve the reverse engineering of data processing capabilities and modeling efficiency . The papers the subject selected streamline and triangular mesh surface reconstruction of scattered point cloud data in reverse engineering these two aspects of the problem as the focus of the paper . Thesis research results summarized as follows : streamline some of the scattered point cloud data , streamline existing scattered point cloud algorithm carried out an in - depth analysis and research , and designed a feature to keep the point cloud adaptive reduction algorithm . Inherits the advantages of the algorithm of \The phenomenon of \In the triangular mesh surface reconstruction part , the authors compared the common Scattered Data in the triangular mesh surface reconstruction method for the lack of some existing algorithm efficiency as well as the scope of research and analysis on the the general regional expansion algorithm designed on the basis of a multi-strategy triangular mesh surface reconstruction algorithm quickly . Algorithm Fusion local fast projection method with the advantages of regional expansion method adaptable , fast reconstruction of the triangular mesh surface of the point cloud data model , the reconstructed triangular mesh formed good shape , well maintained original characteristics of the object , and can automatically detect holes and boundaries . On the basis of the above algorithm , the authors carried out the development and implementation of the prototype system , and some examples of verification , example results verify the correctness and validity of the proposed algorithm research .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Machine-assisted technology > Machine -aided design (CAD), aided drawing
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