Highly sparse representations from dictionaries are unique and independent of the sparseness measure

Matching pursuits with time-frequency dictionaries

Stéphane Mallat, Zhifeng Zhang · IEEE Transactions on Signal Processing · 1993 · 9K citations

Sparse Representation, Machine Vision, Engineering +13

Emergence of simple-cell receptive field properties by learning a sparse code for natural images

Bruno A. Olshausen, David J. Field · Nature · 1996 · 5.8K citations

Sparse Representation, Image Analysis, Machine Vision +12

Theory of Linear and Integer Programming

Adam N. Letchford, Alexander Schrijver · Journal of the Operational Research Society · 2000 · 5.6K citations

Greed is Good: Algorithmic Results for Sparse Approximation

Joel A. Tropp · IEEE Transactions on Information Theory · 2004 · 3.7K citations

Sparse Representation, Engineering, Machine Learning +14

Optimally sparse representation in general (nonorthogonal) dictionaries via ℓ ¹ minimization

David L. Donoho, Michael Elad · Proceedings of the National Academy of Sciences · 2003 · 2.9K citations · Full text