Based on the applied project, problems of the oil drill tube joint detection are solved step by step. Finally, automatic and effective jointmeasurement method is realized.
论文从实际的工程项目出发，逐一解决了接头检测存在的难点，最终实现了钻杆接头的自动、高效检测。
2
A static reference measurement is taken to avoid the effect of big skin deformation around joints to the measured data of joint markers.
并提出静态参考测量的措施，避免关节周围较大的皮肤变形对测量数据的影响。
3
In the measurement of human upper limb, the position for the center of shoulder joint can be supposed by comparative position to acromion.