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检索条件"主题词=preconditioned gradient descent algorithm"
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Accelerating techniques for Sparse Regularization based Tomography Reconstruction
Accelerating techniques for Sparse Regularization based Tomo...
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5th International Conference on Digital Image Processing (ICDIP)
作者: Wang, Liyan Wei, Zhihui Luo, Shouhua Nanjing Univ Sci & Technol Sch Comp Sci & Technol Nanjing 210094 Jiangsu Peoples R China Southeast Univ Dept Math Nanjing 210096 Jiangsu Peoples R China Southeast Univ Sch Biol Sci & Med Engn Nanjing 210096 Jiangsu Peoples R China
For tomography reconstruction, the iteration methods based on spare regularization have recently emerged and are proven effective especially in the situation that projection data is insufficient or noisy in low radiat... 详细信息
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Distributed algorithms to determine eigenvectors of matrices on spatially distributed networks
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SIGNAL PROCESSING 2022年 196卷 108530-108530页
作者: Emirov, Nazar Cheng, Cheng Sun, Qiyu Qu, Zhihua Boston Coll Dept Comp Sci Chestnut Hill MA 02467 USA Sun Yat sen Univ Sch Math Guangzhou 510275 Guangdong Peoples R China Univ Cent Florida Dept Math Orlando FL 32816 USA Univ Cent Florida Dept Elect & Comp Engn Orlando FL 32816 USA
Eigenvectors of matrices on a network have been used for understanding influence of a vertex and spectral clustering. For matrices with small geodesic-width and their given eigenvalues, we propose preconditioned gradi... 详细信息
来源: 评论