A Characterization of Proximity Operators - Gribonval, Rémi; Nikolova, Mila (Journal of mathematical imaging and vision, 2020)
Keywords: Applications of Mathematics; Classical Analysis and ODEs; Computer Science; Empirical analysis; Fines & penalties; Functional Analysis; Image Processing and Computer Vision; Mathematical Methods in Physics; Mathematics; Operators (mathematics); Optimization; Proximity; Shrinkage; Signal and Image Processing; Signal,Image and Speech Processing; Group sparsity; Subdifferential; Proximity operator; Social sparsity; Convex regularization; Shrinkage operator; Nonconvex regularization; Subdiffer- ential