...人脸识别通常只是作为一个一般性的模式识别问题被研究，所采用的主要技术方案是基于人脸几何结构特征（Geometric feature based）的方法，这集中体现在人们对于剪影（Profile）的研究上，人们对面部剪影曲线的结构特征提取与分析方面进行了大量研究。
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Geometric model was extracted through ACIS, manufacturing feature was recognized reconstructed through establishment of manufacturing feature library and using of Rule-based method.
通过ACIS提取几何模型信息，建立制造特征库与采用基于规则的方法实现对制造特征的识别与重构。
Geometric constraint satisfaction is one of the kernel algorithms in feature based design system.
几何约束求解是基于特征设计系统的核心算法之一。
In this paper a new method about face recognition is presented based on the regional distribution of facial geometric feature in China.
文中提出了利用人脸面部几何特征地理区域分布的差异性进行人脸识别的新方法。
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