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Table 3 Normalized Hamming similarity results for JPEG attack

From: A hybrid NSCT domain image watermarking scheme

Image

Scheme

JPEG 10

JPEG 20

JPEG 30

JPEG 40

JPEG 50

JPEG 60

JPEG 70

JPEG 80

JPEG 90

 

Lenna

Proposed

0.7400

0.8379

0.8340

0.8204

0.8185

0.8421

0.8492

0.8482

0.8194

 
 

Li [27]

0.6528

0.7261

0.7455

0.7652

0.7594

0.7561

0.7555

0.7548

0.7565

 
 

Patra [7]

0.5886

0.6792

0.7114

0.7813

0.8274

0.8455

0.8828

0.9360

0.9539

 
 

Duman [11]

0.5098

0.5361

0.5811

0.5918

0.6904

0.7441

0.8779

0.9238

0.9336

 

Aerial

Proposed

0.6447

0.6663

0.6185

0.7006

0.7103

0.6944

0.7151

0.6844

0.7161

 
 

Li [27]

0.5941

0.6812

0.6295

0.6615

0.6360

0.6437

0.6673

0.6263

0.6370

 
 

Patra [7]

0.6003

0.7866

0.9050

0.8057

0.8420

0.9224

0.8799

0.9465

0.9763

 
 

Duman [11]

0.4854

0.5713

0.6182

0.6230

0.7188

0.7012

0.7021

0.7285

0.7881

 

Airfield

Proposed

0.6389

0.7316

0.7623

0.7590

0.7413

0.7762

0.7603

0.7716

0.7442

 
 

Li [27]

0.5791

0.6489

0.6693

0.6818

0.6605

0.6944

0.6647

0.6799

0.6793

 
 

Patra [7]

0.5835

0.7019

0.7153

0.7937

0.8406

0.8577

0.8948

0.9297

0.9431

 
 

Duman [11]

0.5518

0.5605

0.6543

0.6885

0.6797

0.7175

0.7324

0.7832

0.8779

 

Lake

Proposed

0.7545

0.7891

0.7839

0.8204

0.8282

0.7791

0.8353

0.8482

0.8330

 
 

Li [27]

0.6615

0.6922

0.7384

0.7384

0.7542

0.7729

0.7261

0.7529

0.7700

 
 

Patra [7]

0.6033

0.6746

0.6970

0.7742

0.8274

0.8479

0.8914

0.9299

0.9534

 
 

Duman [11]

0.5049

0.5400

0.6104

0.6348

0.6787

0.7109

0.7930

0.8379

0.8896

 

Goldhill

Proposed

0.6460

0.7649

0.7519

0.7536

0.7781

0.7917

0.8026

0.8101

0.7910

 
 

Li [27]

0.6269

0.6999

0.6970

0.6977

0.7087

0.6935

0.7090

0.6977

0.7019

 
 

Patra [7]

0.6296

0.6929

0.6750

0.8022

0.8293

0.8540

0.8901

0.9351

0.9509

 
 

Duman [11]

0.5635

0.5801

0.6465

0.6563

0.7178

0.7295

0.7754

0.8203

0.8760

 

Barbara

Proposed

0.6980

0.7313

0.7829

0.7855

0.7584

0.7051

0.7581

0.7972

0.7910

 
 

Li [27]

0.6967

0.7322

0.7487

0.7490

0.7558

0.7578

0.7561

0.7652

0.7584

 
 

Patra [7]

0.5591

0.6497

0.6841

0.7551

0.8174

0.8457

0.8926

0.9316

0.9543

 
 

Duman [11]

0.4961

0.5195

0.5996

0.6289

0.6006

0.6621

0.7100

0.8223

0.9111

 

Baboon

Proposed

0.5995

0.7426

0.7468

0.7674

0.7539

0.7578

0.7716

0.7571

0.7820

 
 

Li [27]

0.5778

0.6263

0.6492

0.6579

0.6495

0.6531

0.6512

0.6537

0.6460

 
 

Patra [7]

0.6038

0.7222

0.7200

0.8159

0.8643

0.8840

0.9146

0.9463

0.9585

 
 

Duman [11]

0.5830

0.6123

0.6533

0.6631

0.6514

0.6934

0.7402

0.7549

0.7432

 

Elaine

Proposed

0.5478

0.7235

0.7293

0.6767

0.7245

0.7261

0.7003

0.7151

0.7161

 
 

Li [27]

0.6660

0.6851

0.7364

0.7329

0.7506

0.7590

0.7516

0.7578

0.7565

 
 

Patra [7]

0.5957

0.6770

0.6711

0.7800

0.8440

0.8594

0.9041

0.9414

0.9580

 
 

Duman [11]

0.4922

0.5283

0.5996

0.6816

0.7676

0.7920

0.8701

0.9189

0.9424

 

Peppers

Proposed

0.7016

0.7464

0.7435

0.7800

0.7710

0.7972

0.7943

0.7978

0.8017

 
 

Li [27]

0.6996

0.7768

0.7548

0.7875

0.7623

0.7891

0.7920

0.7920

0.8010

 
 

Patra [7]

0.5886

0.6792

0.7114

0.7813

0.8274

0.8455

0.8828

0.9360

0.9539

 
 

Duman [11]

0.4541

0.4932

0.5566

0.5791

0.6914

0.7432

0.8027

0.8896

0.9453

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