Low-Rank Tucker-2 Model for Multi-Subject fMRI Data Decomposition With Spatial Sparsity Constraint - Han, Yue; Lin, Qiu-Hua; Kuang, Li-Dan; Gong, Xiao-Feng; Cong, Fengyu; Wang, Yu-Ping; Calhoun, Vince D. (IEEE transactions on medical imaging, 2022)
Keywords: Algorithms; Brain - diagnostic imaging; Brain mapping; Brain modeling; Constraint modelling; core tensor; Data models; Decomposition; Feature extraction; Functional magnetic resonance imaging; Humans; low-rank; Magnetic resonance imaging; Magnetic Resonance Imaging - methods; Mathematical analysis; Matrix decomposition; multi-subject fMRI data; Neural networks; Orthogonality; Sparse matrices; Sparsity; sparsity constraint; Spatial data; Temporal variations; Tensors; Tucker decomposition