Then we employ bit plane encoder (BPE) considering the relatively small deviation of the remaining background.

利用剩余背景层灰度偏差较小的特点作位平面编码。

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Then Bit Plane Encoder(BPE) was employed considering the relatively small deviation of the remaining background.

利用剩余背景层灰度偏差较小的特点作位平面编码。

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Then fitting the deviation in calculated fitting circle and cam profile curves, the remaining arcs were gotten. Finally the whole circle fitting and NC programming were realized.

再根据所计算的拟合圆与凸轮曲线的偏差用最小二乘法拟合以得到其余各圆弧段；

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