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单个和多自动校准用于具有差异染的3D内镜.

Ryo Furukawa, Ryusuke Sagawa, Shiro Oka

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 12, 2023
    PubMed
    概括

    这项研究引入了用于3D内镜成像的新型自动校准方法,提高了癌症诊断和机器学习数据注释的准确性. 该技术使用差分染来实现精确的形状恢复,而无需复杂的初始设置.

    科学领域:

    • 医疗成像医学成像
    • 计算机视觉 计算机视觉
    • 光学工程是指光学工程.

    背景情况:

    • 内镜中的3D测量有助于癌症诊断,干预和机器学习数据注释.
    • 带有图案投影仪和内镜的活跃立体声系统是有效的,但需要复杂的校准.
    • 内镜头的灵活性限制了投影仪和摄像机的准确性,需要强大的自动校准.

    研究的目的:

    • 为3D内镜成像系统开发一种新的自动校准方法.
    • 为了应对尽管投影仪-摄像机系统复杂性和内镜头部的移动,精确的形状恢复的挑战.
    • 为了实现临床应用的实用,一次性内镜深度测量.

    主要方法:

    • 提出了一种基于差异染技术的新型自动校准方法.
    • 开发了一种技术,可以同时估计衍射光学元件 (DOE) 的焦距和投影机-摄像机外部参数.
    • 实现了多优化算法,以共同优化内在/外在参数,姿势和形状.

    主要成果:

    • 成功展示了3D内镜系统的实用自动校准方法.
    • 实现了DOE焦距和外部参数的同时估计.
    • 启用了多个参数的联合优化,以提高形状恢复的准确性.

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    结论:

    • 提出的基于差分染的自动校准方法为3D内镜测量提供了实用的解决方案.
    • 这种方法克服了传统校准方法的局限性,提高了临床环境中的准确性和可用性.
    • 方便一次性内镜深度信息获取,对于癌症诊断和人工智能驱动的医疗应用至关重要.