对于近中心摄像系统的非代通用摄像机模型
Taehyeon Choi1, Seongwook Yoon1, Jaehyun Kim1
1School of Electrical Engineering, Korea University, 145 Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea.
这项研究引入了非中心摄像头的新摄像头校准方法,提高了准确性和速度. 该方法使用稀疏点和光滑的3D残余框架进行高效和精确的摄像机模型校准.
科学领域:
- 计算机视觉 计算机视觉
- 几何建模 几何建模
背景情况:
- 传统的摄像机校准方法与非中心摄像机模型相斗争.
- 一般化的摄像机模型需要密集点,并且计算密集.
研究的目的:
- 为近中心摄像头开发一种高效准确的校准方法.
- 为了解决现有的代和密度点依赖校准技术的局限性.
主要方法:
- 提出了一种使用稀疏观察点的非代射线校正方法.
- 建立了一个光滑的三维 (3D) 残余框架.
- 使用局部逆距离权重进行剩余插值.
主要成果:
- 实现了快速而准确的摄像机校准.
- 在的盾牌数据集上,降低了约63%的深度误差.
- 与代方法相比,证明了两次数量级的速度改善.
结论:
- 拟议的非代方法为近中心相机校准提供了计算效率高,准确的解决方案.
- 平滑的3D余向量提供比2D实体更准确的射线方向表示.
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