光电眼和光电编码器进行偏差检测。

Photoelectric detector and photoelectric encoder carry on the deviation to measure.

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利用剩余背景层灰度偏差较小的特点作位平面编码。

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

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利用剩余背景层灰度偏差较小的特点作位平面编码。

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

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