DyEndoVO:在微创手术中对内镜的场景动态意识的姿势估计
Jinjing Xu1,2, Reuben Docea3,4, Micha Pfeiffer3,4
1National Center for Tumor Diseases (NCT/UCC), Dresden, Germany. jinjing.xu@nct-dresden.de.
本研究介绍了DyEndoVO,这是一种视觉测距方法,用于在动态的手术场景中准确地估计内镜的姿势. 它有效地处理场景移动,改善外科导航和3D重建.
科学领域:
- 计算机辅助手术是计算机辅助的手术.
- 医疗机器人 医疗机器人
- 手术导航手术导航手术导航
背景情况:
- 精确的内镜姿势估计对于微创手术至关重要.
- 基于图像的方法是实用的,但与动态的手术场景 (组织变形,工具移动) 斗争.
研究的目的:
- 开发一种强大的视觉测距方法,用于在动态的外科环境中估计内镜姿势.
- 通过有效处理场景动态来提高准确性和稳健性.
主要方法:
- 提出DyEndoVO,一个端到端的视觉测距方法,使用基于变压器的运动检测网络和加权姿势优化.
- 引入了一个半合成数据集,用于培训和评估组织/工具移动.
主要成果:
- 在动态的手术场景中,DyEndoVO显著超过了最先进的方法.
- 该方法可以很好地将其推广到真实世界的数据中,而无需微调,归因于有效的动态检测和数据集桥接.
- 半合成数据集是弥合模拟与现实差距的关键.
结论:
- 在充满挑战的动态手术场景中,DyEndoVO提高了姿势估计的准确性和稳定性.
- 该方法显示了在复杂的外科环境中推进同时定位和映射 (SLAM) 和3D重建的潜力.
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