High-Precision Geometric Modeling of 3D Artifacts for Virtual Restoration

2006 IEEE Symposium on Virtual Environments, Human-Computer Interfaces and Measurement Systems Pub Date : 2006-07-10 DOI:10.1109/VECIMS.2006.250808

J. Doi, K. Shimizu, W. Sato, Shinji Morishita

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引用次数: 3

Abstract

This paper proposes a practical, topologically robust and ranging error resistive shape modeling procedure that approximates real physical 3D objects, such as archeological or cultural heritage artifacts, with the matrix-formatted organized meshing, enabling high-density scanning for high-resolution modeling and the successive 3D shape manipulation for restoration and modification. A face array listing (topology), which defines the vertex (mesh point) connectivity and the shape of the mesh, is pre-assigned to meet the desired scanning. Stable meshing, and hence, an accurate approximation, free from the shape ambiguity unavoidable in the widely used "retrieving topology from geometry" modeling procedures based on, for example, the Delaunay tessellations, is then accomplished. This proposal is practicable for all kinds of objects, automating the current manual, time-consuming reconstruction procedure, reducing rework requirement modeling and produce a versatile successive 3D shape manipulation

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面向虚拟修复的三维工件高精度几何建模

本文提出了一种实用的、拓扑鲁棒性和测距误差抵抗形状建模方法，该方法近似于真实的物理三维物体，如考古或文化遗产文物，采用矩阵格式的有组织网格，实现高密度扫描的高分辨率建模和连续的三维形状操作的恢复和修改。预先分配一个面阵列列表(拓扑)，它定义顶点(网格点)的连通性和网格的形状，以满足所需的扫描。稳定的网格划分，因此，一个准确的近似，避免了在广泛使用的“从几何中检索拓扑”建模过程中不可避免的形状模糊，例如，基于Delaunay镶嵌，然后完成。该方法适用于各种类型的物体，自动化了当前手工、耗时的重建过程，减少了建模的返工要求，并产生了通用的连续三维形状操作

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2006 IEEE Symposium on Virtual Environments, Human-Computer Interfaces and Measurement Systems

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