Incremental Matrix-Based Subspace Method for Matrix-Based Feature Extraction

Zhaoyang Zhang, Shijie Sun and Wei Wang

Complexity, 2020, vol. 2020, 1-13

Abstract:

The matrix-based features can provide valid and interpretable information for matrix-based data such as image. Matrix-based kernel principal component analysis (MKPCA) is a way for extracting matrix-based features. The extracted matrix-based feature is useful to both dimension reduction and spatial statistics analysis for an image. In contrast, the efficiency of MKPCA is highly restricted by the dimension of the given matrix data and the size of the training set. In this paper, an incremental method to extract features of a matrix-based dataset is proposed. The method is methodologically consistent with MKPCA and can improve efficiency through incrementally selecting the proper projection matrix of the MKPCA by rotating the current subspace. The performance of the proposed method is evaluated by performing several experiments on both point and image datasets.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:complx:8864594

DOI: 10.1155/2020/8864594

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