Our algorithm has made the joint USES of overlapped motion compensation and directional filtering techniques, with the advantages of simple operation and good portability.
算法中使用了重叠运动补偿和方向滤波联合处理的方法，操作简捷，移植性好。
Due to the increasing number of deep Wells and directional Wells being drilled, longitudinal fracture occurred on the box-ended drill pipe tool joint is often reported.
近年来由于深井、定向井等逐渐增多，油气井钻井中钻杆内螺纹接头纵向开裂失效成为常发事故。
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