Tillmann, A. M.: "On the Computational Intractability of Exact and Approximate Dictionary Learning", IEEE Signal Processing Letters, vol. 22, no. 1, pp. 45–49, 2015.
Bibtex Entry:
@article{T15,
author = {A. M. Tillmann},
title = {On the Computational Intractability of Exact and Approximate Dictionary Learning},
journal = {IEEE Signal Processing Letters},
volume = {22},
number = {1},
pages = {45--49},
year = {2015}
}