Fast Singular Value Shrinkage With Chebyshev Polynomial Approximation Based on Signal Sparsity - Onuki, Masaki; Ono, Shunsuke; Shirai, Keiichiro; Tanaka, Yuichi (IEEE transactions on signal processing, 2017)
Keywords: Approximation error; Chebyshev approximation; Chebyshev polynomial approximation; Computational efficiency; Convex functions; Eigenvalues and eigenfunctions; Matrix decomposition; Minimization; nuclear norm relaxation; singular value thresholding