@InProceedings{ehler_et_al:DagSemProc.08492.5, author = {Ehler, Martin and Geisel, Simone}, title = {{Arbitrary Shrinkage Rules for Approximation Schemes with Sparsity Constraints}}, booktitle = {Structured Decompositions and Efficient Algorithms}, pages = {1--12}, series = {Dagstuhl Seminar Proceedings (DagSemProc)}, ISSN = {1862-4405}, year = {2009}, volume = {8492}, editor = {Stephan Dahlke and Ingrid Daubechies and Michal Elad and Gitta Kutyniok and Gerd Teschke}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/DagSemProc.08492.5}, URN = {urn:nbn:de:0030-drops-18816}, doi = {10.4230/DagSemProc.08492.5}, annote = {Keywords: Frames, shrinkage, variational problems, sparse approximation} }