If using this code please cite the following paper "Sarkar, R., Mukherjee, S., & Acton, S. T. (2015). Dictionary learning level set. IEEE Signal Processing Letters, 22(11), 2034-2038."
Due to licensing issues we cannot share the actual data.
The code uses the KSVD software available at : http://www.cs.technion.ac.il/~elad/software/ Based on the distribution of the KSVD software being used, the 'dict_learning.m' needs to be modified accordingly