The edge extraction method not only extracts the outline of the target, but also keeps the inner details, thus the optimum matching position found by template matching becomes more reliable.
文中的边界提取方法不仅能提取出目标的轮廓，还能较好地保留其内部细节，这样通过模板匹配得到的最佳匹配位置更加可靠。
Radar target modeling is a technology which can extract the targets outline and barycenter characteristic, then does the distinction processing through the model matching to targets.
雷达目标模型化是提取目标的轮廓和重心等特征参数，进而通过模型匹配对目标回波进行判别处理的过程。
From the viewpoint of geometric matching, parts' outline similarity matching is the most important in the process.
从几何匹配的角度来看，零件外轮廓的相似性匹配是最重要的。
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