CUR and Generalized CUR Decompositions of Quaternion Matrices and their Applications - Xu, Renjie; Feng, Shenghao; Wei, Yimin; Yan, Hong (Numerical functional analysis and optimization, 2024)
Keywords: Algorithms; Approximation; Color imagery; Color video background subtraction; CUR decomposition; Decomposition; Empirical analysis; Error analysis; generalized CUR decomposition; Interpolation; Principal components analysis; quaternion matrix; Quaternions; robust quaternion principal component analysis