. 2017 Jul 29;40(4):219–225. doi: 10.1016/j.bj.2017.05.002

Table 1.

Numerical results of comparing our proposed method (2-D HT and IHS method) based on Average Gradient (AG_K), Discrepancy (D_k) and Overall Performance (O.P).

Method	D_K	AG_K	O.P
IHS	14.773	5.171	9.61
Proposed method (2-D D HT and IHS)	12.826	5.227	7.568
Gradient pyramid	15.941	4.664	11.249
FSD pyramid	16.095	4.728	11.367
2-D HT	20.285	4.891	15.189
Haar wavelet	13.326	5.194	8.311