中文说明：资源描述主成分分析方法在降维，特征参数提取等方面都有涉及，特别是图像处理方面。
English Description：
Application backgroundThe principal component analysis method is involved in dimension reduction, feature extraction and so on, especially in image processing.
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中文说明：资源描述主成分分析方法在降维，特征参数提取等方面都有涉及，特别是图像处理方面。
English Description：
Application backgroundThe principal component analysis method is involved in dimension reduction, feature extraction and so on, especially in image processing.