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Table 1 Parameters of the used benchmark filters

From: FIR filter optimization for video processing on FPGAs

Filter

Filter

B c

N uq

S

Parameter

Unique odd coefficients

type

size

     

Gaussian

3 × 3

8

3

2

σ = 0.5

3 21 159

Gaussian

5 × 5

12

4

3

 

1 23 343 1,267

Laplacian

3 × 3

8

3

2

α = 0.2

5 21 107

Unsharp

3 × 3

8

3

2

α = 0.2

3 11 69

Unsharp

3 × 3

12

3

3

 

43 171 1,109

Lowpass

5 × 5

8

5

2

 

11 33 35 53 103

Lowpass

9 × 9

10

13

2

f pass  = 0.2, f stop  = 0.4

1 5 7 25 31 63 65 67 73 97 117 165 303

Lowpass

15 × 15

12

26

3

 

1 5 7 13 17 19 21 27 41 43 45 53 61 79 93 101

      

103 113 133 137 199 331 333 613 1,097 1,197

Highpass

5 ×5 

8

5

2

 

1 3 5 7 121

Highpass

9×9

10

6

2

f stop  = 0, f pass  = 0.2

1 3 5 7 11 125

Highpass

15×15

12

13

2

 

1 3 5 7 9 11 13 15 17 19 21 23 507