本文将这两种技术有机地结合起来，提出了一种新的掌纹特征提取方法。

These two techniques are effectively combined in the paper, and a new palmprint feature extraction approach is proposed.

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基于特征手的掌纹特征提取算法是根据类内类间距离准则而设计的特征提取算法。

Eigenpalms based feature extraction is designed according to the rule of in-class distance and between-class distance.

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作为掌纹识别的关键部分，本文着重阐述两种特征提取算法的思想、作用和实现过程。

As the crucial part of palmprint recognition, this paper mainly focuses on the ideas and usefulness and implementation of these two feature extraction algorithms.

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