Table 13 Robustness to noise attacks.

From: Robust zero-watermarking for color images using hybrid deep learning models and encryption

Attack name

Gaussian noise

Salt and Pepper noise

Parameter

0.1

0.2

0.3

0.5

0.1

0.2

0.3

0.5

Avion

PSNR

NCC

27.5622

1.0000

27.4190

0.9995

27.3569

1.0000

27.2931

1.0000

PSNR

NCC

37.1221

1.0000

34.0713

1.0000

32.3246

0.9986

30.9049

1.0000

Jelly

PSNR

NCC

27.5719

0.9991

27.4467

1.0000

27.4748

1.0000

27.3145

1.0000

PSNR

NCC

37.1286

0.9992

34.1039

1.0000

32.3538

1.0000

30.1987

1.0000

Baboon

PSNR

NCC

27.5714

0.9977

27.4161

1.0000

27.3609

1.0000

27.2996

1.0000

PSNR

NCC

37.0975

0.9986

34.0943

1.0000

32.3122

0.9995

30.0949

1.0000

Sailboat

PSNR

NCC

27.6036

1.0000

27.4707

0.9994

27.4007

1.0000

27.3441

1.0000

PSNR

NCC

37.1370

1.0000

34.1134

1.0000

32.3522

1.0000

30.1447

1.0000

Female

PSNR

NCC

27.5754

1.0000

27.4273

1.0000

27.3568

1.0000

27.2968

1.0000

PSNR

NCC

37.0678

0.9974

34.0991

0.9981

32.2992

1.0000

30.1175

1.0000

Splash

PSNR

NCC

27.7001

1.0000

27.5581

1.0000

27.4918

1.0000

27.4171

1.0000

PSNR

NCC

37.2528

1.0000

34.2030

1.0000

32.4556

1.0000

30.2135

1.0000

Porthead

PSNR

NCC

27.5666

0.9974

27.4203

1.0000

27.3393

1.0000

27.2897

1.0000

PSNR

NCC

37.0708

1.0000

34.0890

1.0000

32.3048

1.0000

30.1034

1.0000