In the wafer notch detecting part, edge flexion method is adopted to find the notch range, then calculating the notch center by means of arc fitting.
缺口检测先采用边缘变化率算法查找缺口范围，再通过圆弧拟合的方法求出缺口中心位置。
Method Do passive flexion and active extension of fingers after operating day.
方法从手术当天开始作被动屈指，主动伸指运动。
Conclusion: The flexion contracture of juxta interphalangeal joint will be treated completely by this method.
结论：用此方法均能达到矫正近指间关节屈曲挛缩的目的。
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