目的：研究呼吸导致的肺部肿瘤运动和体表标记物运动轨迹之间的关系。
Objective:To study the relationship between lung tumor motion and skin marker motion resulted from respiration.
通过建立利用标记点跟踪和雾滴邻域匹配概率方法对相邻图像中的同一雾滴进行了匹配跟踪，能够实现对雾滴运动轨迹的拟合。
The trace of droplet in different frames has been tracked with the method, which is based on flag tracking and droplet neighborhood matching probability technique.
通过先进的振镜系统X-Y数据拼图系统，控制其运动轨迹，品质稳定、标记清晰、连续工作时间长。
Through the advanced X-Y scanning system of vibrating lens to control the motion track, steady quality, clear mark, long continuous working time.
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