计算机科学 ›› 2017, Vol. 44 ›› Issue (Z11): 202-206.doi: 10.11896/j.issn.1002-137X.2017.11A.042
闫荣华,彭进业,汶德胜
YAN Rong-hua, PENG Jin-ye and WEN De-sheng
摘要： 主成分分析和二维主成分分析是两种经典的数据变换方法。尽管许多学者对PCA和2DPCA进行了大量的研究和实验,但并未给出PCA与2DPCA之间的联系。文中给出二者之间的联系,即PCA与2DPCA在优化时具有相同的最优目标值,同时通过理论推导和在CMU-PIE与CK+库上的实验证明了这一观点。
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