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A preliminary study on surgical instrument tracking based on multiple modules of monocular pose estimation

机译:基于单眼姿态估计多个模块的手术器械跟踪的初步研究

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Optical means of instrument tracking technology have been widely used in image-guided surgery and regarded as the de facto standard for tracking rigid bodies under the constraint of direct line-of-sight. It remains unresolved for optical tracking to have the innate drawbacks, such as the bulky volume, the line-of-sight requirement and the occlusion constraint, etc., although they have been successful in clinical scenarios. To address these challenges in this article, we propose a surgical instrument tracking system based on dynamic configuration of multiple monocular pose estimation modules. The main approach is to enable the system to dynamically reconfigure the multiple vision sensors when occlusion occurs partially within the workspace. The corresponding multi-camera calibration algorithm and multi-camera based instrument tracking method are proposed and the evaluation experiments are carried out.
机译:仪器跟踪技术的光学手段已广泛用于图像引导手术,并被视为在直接视线约束下跟踪刚体的事实上的标准。尽管光学跟踪已经在临床上取得了成功,但仍存在尚未解决的先天缺陷,例如体积大,视线要求和遮挡约束等。为了解决本文中的这些挑战,我们提出了一种基于多个单眼姿势估计模块的动态配置的手术器械跟踪系统。主要方法是使当部分工作区内发生遮挡时,系统能够动态地重新配置多个视觉传感器。提出了相应的多摄像机标定算法和基于多摄像机的仪器跟踪方法,并进行了评价实验。

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