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从非直角成像中估计平面角度
Akash Kumar1, C Chandraprakash1
1Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208016, India.
The Review of scientific instruments
|January 8, 2024
概括
这项研究提出了一种快速,廉价的方法,可以使用智能手机图像来估计平面角. 该技术利用稀疏的重建和双视图几何学来进行准确的现场测量.
科学领域:
- 计算机视觉 计算机视觉
- 几何测量 几何测量 几何测量
背景情况:
- 传统的光谱学依赖于昂贵的设备和复杂的算法来进行3D场景重建.
- 准确的几何参数估计对于各种工程和测量应用至关重要.
研究的目的:
- 开发一种使用智能手机图像估计平面角的低成本计算方法.
- 为了在现场使用现有技术进行几何测量.
主要方法:
- 利用双视图几何和线性算法进行稀疏的重建.
- 用于点对应的规模不变特征转换 (SIFT).
- 应用了极约束和八点算法来估计基本矩阵.
- 确定摄像头投影矩阵,并使用线性三角测量来生成3D点云.
主要成果:
- 从非直角的智能手机图像中成功估计了平面角.
- 在不曲的边缘上达到3%的平均误差.
- 在不到10秒的时间内完成估计,仅使用十张图像.
结论:
- 开发的方法为几何测量提供了一个简单而高效的方法.
- 它集成到智能手机中,可以在现场进行可访问的测量和变形分析.
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