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一种基于里斯利镜的图像传感器视野偏差的自动校准方法.

Zhonglin Lin1, Wenchao Liu1, Jinyu Gan1

  • 1School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China.

Sensors (Basel, Switzerland)
|September 28, 2023
PubMed
概括
此摘要是机器生成的。

一种自动校准方法可以增强Risley-prism图像传感器. 这种技术提高了偏差校正速度,准确性和稳定性,用于更广泛的视野.

关键词:
偏差纠正 偏差纠正自动校准自动校准.视野 视野 视野 视野 视野 视野里斯利的镜是一个镜.

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科学领域:

  • 光学和光子学 在光学和光子学.
  • 图像传感器技术图像传感器技术
  • 计算成像技术的成像

背景情况:

  • 基于里斯利镜的图像传感器通过光束控制提供扩展的视野.
  • 增加的镜角度可以增强视野放大,但会恶化成像误差.
  • 先进的偏差校正对于这些传感器至关重要.

研究的目的:

  • 开发一个自动校准方法,用于Risley-prism图像传感器.
  • 提高偏差校正的速度,准确性和稳定性.
  • 解决广场成像中偏差增加所带来的挑战.

主要方法:

  • 使用双轴转盘获取不同镜角度和物体距离的校准板的图像数据集.
  • 应用双立方插值用于预处理校准板图像.
  • 计算和优化校准参数用于偏差校正.

主要成果:

  • 通过实验结果验证了自动校准方法的可行性.
  • 在3.6米的距离内,在0.26像素内实现了再投影错误.
  • 通过拟议的方法证明了有效的偏差校正.

结论:

  • 自动校准方法对Risley-prism图像传感器是有效的.
  • 该系统在偏差校正中实现了高精度和稳定性.
  • 这种方法使得可靠的广场成像与最小化的偏差.