Table 1: Number of iterations, computational time, and ReErr of the three methods for the results in Figures 1 and 2.

Lenna Iterations Run time (second)

GD-(1.2) 451.840.0785
GD-(1.4) 45 2.46 0.0725
GD-(1.2) 460 17.50 0.0562
GD-(1.4) 280 13.23 0.0543
AM-(3.4) 45 1.87 0.0505