Nonnegative Matrix Factorization (NMF) is a powerful technique to perform dimension reduction and pattern recognition through single-layer data representation learning. However, deep learning networks, with their carefully designed hierarchical structure, can combine hidden features to form more representative features for pattern recognition. In this paper, we proposed sparse deep NMF models to analyze complex data for more accurate classification and better feature interpretation. Such models are designed to learn localized features or generate more discriminative representations for samples in distinct classes by imposing L
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Open Access
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Big Data Mining and Analytics 2020, 3(1): 13-28
Published: 19 December 2019
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