Sparse Regularization Based on Orthogonal Tensor Dictionary Learning for Inverse Problems

Table 2

SNR values of three different methods applied to real seismic dataset in Figure 10.

	Input SNR	5.39	6.65	8.1	9.83	11.9
Real data	K-SVD method	22.27	23.13	24.04	26.77	28.76
—	Orthogonal DL method	23.51	25.18	26.86	27.74	28.76
—	Proposed method	24.36	26.17	28.40	30.47	32.09