Search Results - "Nonnegative sparse coding"

Target recognition in synthetic aperture radar images via non-negative matrix factorisation by Cui, Zongyong, Cao, Zongjie, Yang, Jianyu, Feng, Jilan, Ren, Hongliang

“…This study proposes a novel non-negative matrix factorisation (NMF) variant L1/2-NMF after visualisation and analysis of the process of target recognition via…”
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Graph regularized nonnegative sparse coding using incoherent dictionary for approximate nearest neighbor search by Zhang, Yupei, Xiang, Ming, Yang, Bo

“…•Graph Laplacian regularization is considered for improvement.•Non-negativity constraints are adopted for enriching sparse codes.•An iterative algorithm is…”
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Topological structure regularized nonnegative matrix factorization for image clustering by Zhu, Wenjie, Yan, Yunhui, Peng, Yishu

“…Image representation is supposed to reveal the distinguishable feature and be captured in unsupervised fashion. Recently, nonnegative matrix factorization…”
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Nonnegative sparse coding induced hashing for image copy detection by Zou, Fuhao, Feng, Hui, Ling, Hefei, Liu, Cong, Yan, Lingyu, Li, Ping, Li, Dan

“…Among the existing hashing methods, the Self-taught hashing (STH) is regarded as the state-of-the-art work. However, it still suffers the problem of semantic…”
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Screened Poisson Hyperfields for Shape Coding by Guler, R. A., Tari, S., Unal, G.

“…We present a novel perspective on shape characterization using the screened Poisson equation. We discuss that the effect of the screening parameter is a change…”
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Voice activity detection using convolutive non-negative sparse coding by Peng Teng, Yunde Jia

“…This paper presents a voice activity detection (VAD) approach using convolutive non-negative sparse coding (CNSC) to improve the detection performance in low…”
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Improvement of Visualization Method for Attack Patterns in Team Sports by Yamamoto, Risa, Nakada, Yohei

“…In this study, we improved the visualization method for attack patterns in team sports that was proposed in our previous work to visualize not only patterns of…”
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