In order to repair the seal character defect, we establish three benchmarks image to find the defect's location and repair it using thinning and expansion algorithm.

针对提取出的圆形印鉴印文缺损，本文建立了三个基准图像，运用形态学的细化算法及膨胀运算对其进行处理，找到缺损位置并进行补偿。

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In order to repair the seal character defect, we establish three benchmarks image to find the defect's location and repair it using thinning and expansion algorithm.

针对提取出的圆形印鉴印文缺损，本文建立了三个基准图像，运用形态学的细化算法及膨胀运算对其进行处理，找到缺损位置并进行补偿。

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