codes for piecewise orthogonal matching pursuit algorithm.
For details, please refer to paper:
K. Li, C. R. Rojas, T. Yang, H. Hjalmarsson, K. H. Johansson, S. Cong, "Piecewise Sparse Signal Recovery Via Piecewise Orthogonal Matching Pursuit", IEEE 41th International Conference on Acoustics, Speech and Signal Processing, (ICASSP 2016), Shanghai, China.