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Table 4 PSNRs for mixed noise (20 % impulse noise)

From: Bilateral image denoising in the Laplacian subbands

Image

Local self-similarity

Nonlocal self-similarity

 

BLF

MBLF

BLS-GSM

SBLF

NLM

BM3D

1

24.7155

22.3321

24.1887

25.0244

23.6376

24.9905

2

22.7271

22.3321

23.1560

23.5464

22.8560

24.9531

3

24.1931

23.5109

23.2620

25.1243

23.5753

23.2513

4

24.5633

23.5109

24.3265

25.6176

24.3059

24.8292

5

24.2419

23.0465

23.4489

24.9681

23.7099

25.9463

6

26.8504

22.8714

26.7785

27.3136

24.0875

24.9552

7

24.7198

24.5795

23.9426

25.3261

25.9881

27.2638

8

22.8777

24.5795

22.8013

24.2091

24.5127

27.1690

9

21.8124

23.2055

21.4086

22.6783

23.2277

25.4997

10

24.2438

23.2055

22.9440

24.7666

22.3793

23.8574

11

23.4927

22.1039

22.7081

24.1268

21.1000

22.6501

12

24.4074

22.1039

23.8970

25.3700

22.3230

24.5317

13

23.3632

21.2694

22.7738

23.9723

22.3291

24.0320

14

23.5229

22.8539

23.0868

24.0552

22.7604

25.3259

15

25.8834

22.8539

25.2027

26.6016

21.0988

25.2427

16

21.2509

21.9349

20.6449

21.9225

23.5069

23.5867

17

24.0441

24.5466

24.4997

24.7115

22.8812

23.9613

Avg.

23.9359

22.9906

23.4747

24.6667

23.1929

24.8262

Avg. time

0.2767

9.3545

16.8914

0.9955

38.2350

9.0230