Correction: Li, Q. and Liang, S.Y. Microstructure Images Restoration of Metallic Materials Based upon KSVD and Smoothing Penalty Sparse Representation Approach. Materials2018, 11, 637
Materials (Basel). 2020 May 26;13(11):2436.
doi: 10.3390/ma13112436.
The authors were not aware of some errors and imprecise descriptions made in the proofreading phase, therefore, we wish to make the following corrections to this paper [1][...].