针对原木中的漏节等圆形缺陷，本文设计了改进的拉普拉斯算子法增强图像中目标的清晰度。

Regarding the circular defects such as leakage gnarl in log, this paper designed an improved Laplaces special gradient method to clarify the target image.

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考虑到实际处理时的实时要求，应用改进后的罗泊特梯度算子来提取漏节的轮廓，使处理时间大大缩短。

The improved Robert was used in the paper to outline the knot-hole so that the processing was almost on real time.

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他未漏过一节课，始终认真听讲。

He never missed a class and always paid attention.

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