一种有效的增量BDPCA算法

Abstract

Abstract: Through the analysis of CCIPCA, it can be proved that CCIPCA is an online form of the power method, and its statistical efficiency corresponds to the parameter ,when the data is weighted with the exponential window; based on the character of the power method, we adjust the initial vector and weight, and the computation complexity of CCIPCA is decreased; Based on the modified algorithm, an incremental BDPCA algorithm is presented. Experiments based on ORL and ATT face database demonstrate the efficiency of the presented algorithm.

Key words: CCIPCA, power method, BDPCA, incremental algorithm

CLC Number:

TN951

CAO Xiang-hai;LIU Hong-wei;WU Shun-jun. An efficient incremental BDPCA algorithm
[J].J4, 2007, 34(7): 84-87.

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An efficient incremental BDPCA algorithm

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