Table 2: Estimated noise levels for the phantoms.

Figure 3(a)(b)(c)
Real SDPMW [18]FE [17]PMW [18]FE [17]PMW [18]FE [17]

55.57* 4.935.314.904.916.11*5.054.985.40*
66.51* 5.916.305.885.897.10*6.035.936.39*
77.45* 6.877.286.866.878.10*7.036.897.38*
88.40* 7.848.277.847.859.10*8.027.858.38*
99.37* 8.819.268.828.8310.08*9.028.829.37*
1010.35* 9.7710.259.819.8111.08*10.019.7910.37*
1111.33*10.7511.2410.7910.8012.07*11.0110.7611.37*
1212.2611.7212.2311.7711.7913.07*12.0011.7512.37*
1313.2412.6713.2212.7512.7714.06*13.0012.7313.37*
1414.2413.64*14.2113.7313.7515.06*14.0013.6914.37*
1515.4114.6015.2014.7114.7416.06*14.9914.6915.38*