基于代平滑签名距离表面重建的工业CT体积数据的网格方法研究
ShiBo Jiang1,2, Shuo Xu1,2, YueWen Sun1,2
1Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, China.
Journal of X-ray science and technology
|February 20, 2025
概括
本研究引入了一种改进的工业CT量数据网格化方法,提高了效率和质量. 代光滑标记表面距离 (iSSD) 算法可确保准确,防水的3D模型用于增材制造和非破坏性测试.
科学领域:
- 工程 工程师 工程师 工程师
- 计算机科学 计算机科学
- 材料科学 材料科学 材料科学
背景情况:
- 工业计算机断层扫描 (CT) 为增材制造和非破坏性测试提供了关键的3D数据.
- 将3D体积数据转换为网格模型对于分析,模拟和编辑至关重要.
- 现有的MarchingCubes算法效率低,网格质量差.
研究的目的:
- 开发一种创新和高效的方法来将工业CT体积数据进行网格化.
- 提高重建网状模型的质量和可靠性.
- 克服现有的网格算法的局限性.
主要方法:
- 建议使用Iterative Smooth Signed Surface Distance (iSSD) 算法进行体积数据网联.
- 完善细分的voxel模型并提取边界voxel以创建高质量的点云.
- 代更新点云常态,并使用SSD算法重建网格.
主要成果:
- 实现高质量,防水和光滑的网状模型重建.
- 通过定性和定量分析,与其他方法相比,表现出色.
- 显著提高了体积数据网联的效率和质量.
结论:
- 该iSSD算法提供了一个强大的解决方案,用于工业CT体积数据联网.
- 该方法提高了后续3D分析和模拟的准确性和可靠性.
- 具有重要的工业应用前景和学术价值.
相关概念视频
Theorems of Pappus and Guldinus: Problem Solving
Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For example, consider a cylindrical storage tank with a conical top. Finding the surface area or volume can be challenging for such complex shapes. These theorems are particularly useful in calculating the volume and surface area of such systems. Here, the cylindrical storage tank with a conical top can be broken down into two simple shapes: a cylinder...
Distance Corrections
To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
Simpson's Rule II
In warehouse roofing applications, corrugated or curved metal sheets are commonly used to improve structural strength, water drainage, and ventilation efficiency. To accurately estimate material requirements and optimize design parameters, engineers must determine the curved surface area of these sheets. Because the sheet profiles often repeat smoothly along their length, they can be effectively approximated by parabolic curves, enabling the use of numerical integration techniques for area...


