Recently, many methods of linear feature extraction were proposed.

近年来，人们已经提出许多种线特征提取的方法。

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The mappings are called linear feature extraction and nonlinear feature extraction correspondingly.

对应的映射成为线性特征提取方法和非线性特征提取方法。

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This paper analyses the generalized optimal set of discriminant vectors, presents a grouped decision method based on generalized optimal set of discriminant vectors for linear feature extraction.

该文分析了广义最佳鉴别向量集，给出了基于用于线性特征抽取的广义最佳鉴别向量的分组决策方法。

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This paper analyses the generalized optimal set of discriminant vectors, presents a grouped decision method based on generalized optimal set of discriminant vectors for linear feature extraction.

该文分析了广义最佳鉴别向量集，给出了基于用于线性特征抽取的广义最佳鉴别向量的分组决策方法。

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