Table 2 Parameters Settings for the Proposed Algorithms

SAR-BM3D

Number of looks

L

1

1

1

1

1

Patch Size

N _i

8 × 8

8 × 8

8 × 8

8 × 8

8 × 8

Search_Window

|△ _i |

11 × 11

11 × 11

11 × 11

11 × 11

11 × 11

Proposed

Lambda

λ

{30;35;20}

30

30

30

30

Beta

β

{25;25;25}

25

25

25

25

Bandwidth

h

{0.2;0.2;0.2}

0.3

0.3

0.5

0.3

Search_Window

|△ _i |

{31 × 31;41 × 41;41 × 41}

31 × 31

11 × 11

11 × 11

11 × 11

Patch_Size

N _i

5 × 5

5 × 5

7 × 7

7 × 7

7 × 7

Inner_Iteration

n

2

2

2

2

2

Outer_Iteration

k

50

50

50

50

50