A quantitative characterization method instead of qualitative ocular estimate about uniformity of cells in aluminum foams was put forward based on the digital image processing and analysis technology.

基于数字图像处理与分析技术，提出一种可取代目测这种定性评价泡沫铝中泡体均匀性的定量表征方法。

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Since there is no general theory available on how to compute such a mapping efficiently, a computational theory based on surface characterization and surface matching is put forth.

由于怎样有效地计算此类映射还没有通用的理论，因此，我们提出基于物体表面特性和表面匹配的计算理论。

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