使用3D高斯喷射的光学主动感知使得机器人玻璃甲状腺外科手术中的自主仪器插入成为可能
Optics letters
|February 13, 2026
概括
这项研究引入了一种机器人引导的成像系统,用于通过外科手术引脚进行自主仪器插入. 通过使用3D高斯分片,它实现了高精度的3D重建,用于微手术中精确的导航.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 计算机视觉 计算机视觉
- 手术技术 手术技术
背景情况:
- 微外科手术需要精确的仪器导航.
- 现有的3D传感系统在受限的外科环境中面临局限性,例如 trocars.
- 机器人辅助可以提高微创手术的准确性和安全性.
研究的目的:
- 通过交换机开发一个光学主动感知框架,用于通过交换机自主插入仪器.
- 为了利用3D高斯斯裂纹 (3DGS) 来实现高保真度的三维重建交叉车.
- 将该系统与机器人手臂集成,用于精确的姿势估计和仪器对齐.
主要方法:
- 使用低成本的RGB-D摄像头进行深度引导视角规划.
- 采用3D高斯分片 (3DGS) 来从稀疏的多视图RGB图像中重建一个高分辨率的托洛卡模型.
- 将感知框架与6DOF机器人手臂集成,用于姿势估计和仪器对齐.
主要成果:
- 在3D三角体重建中实现了亚毫米精度,超越了商业传感系统的局限性.
- 展示了一致的亚毫米位置精度和几度内的角度精度.
- 在静态和运动模拟的ex vivo猪眼睛上验证的性能.
结论:
- 基于3DGS的光学主动感知框架可以通过交叉车准确地进行自主仪器插入.
- 该系统为有限环境中的机器人微手术导航提供了可行的解决方案.
- 这项技术有可能提高机器人辅助的微创手术的安全性和有效性.
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