An Axial-Oriented Dual-Layer Indexing Structure for Tunnel Point Clouds

An Axial-Oriented Dual-Layer Indexing Structure for Tunnel Point Clouds

Three-dimensional laser scanning technology has increasingly gained favor among professionals in tunnel monitoring. A fundamental challenge in tunnel point cloud processing is to efficiently manage massive datasets using appropriate data structures and accurately extract features such as tunnel axes...

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Bibliographic Details
Main Authors: Hongyang Zhang, Qigui Yang, Quan Liu, Yinlong Jin, Gang Ma, Xin Meng
Format: Article
Language:English
Published: MDPI AG 2025-01-01
Series:Remote Sensing
Subjects:
point cloud
tunnel engineering
dual-layer indexing structure
merge-based octree
Online Access:https://www.mdpi.com/2072-4292/17/1/133
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