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Table 7 Normalized Hamming similarity results for Y shearing % attack

From: A hybrid NSCT domain image watermarking scheme

Image

Scheme

1%

2%

3%

4%

5%

6%

7%

%

9%

10%

  

Lenna

Proposed

0.8075

0.7658

0.7613

0.7661

0.7225

0.7539

0.7406

0.7187

0.7171

0.7464

  
 

Li [27]

0.7603

0.7477

0.7426

0.7435

0.7429

0.7380

0.7284

0.7523

0.7416

0.7358

  
 

Patra [7]

0.7197

0.7314

0.7173

0.7073

0.7244

0.7104

0.7007

0.7109

0.7073

0.6985

  
 

Duman [11]

0.4453

0.4580

0.4570

0.4893

0.5293

0.5010

0.5078

0.5166

0.5273

0.5264

  

Aerial

Proposed

0.6441

0.5940

0.6612

0.6660

0.6525

0.6502

0.6521

0.6589

0.6034

0.6896

  
 

Li [27]

0.6696

0.6715

0.6738

0.6760

0.6841

0.6818

0.6515

0.6618

0.6715

0.6657

  
 

Patra [7]

0.6382

0.6399

0.6477

0.6335

0.6511

0.6494

0.6445

0.6543

0.6523

0.6482

  
 

Duman [11]

0.4609

0.5049

0.4932

0.4697

0.5234

0.5430

0.4912

0.5029

0.5186

0.5313

  

Airfield

Proposed

0.6751

0.6967

0.7403

0.6037

0.7093

0.6970

0.6143

0.6082

0.7329

0.6899

  
 

Li [27]

0.6718

0.6873

0.6899

0.6541

0.6699

0.6596

0.6709

0.6667

0.6651

0.6686

  
 

Patra [7]

0.6416

0.6658

0.6516

0.6511

0.6614

0.6516

0.6663

0.6714

0.6558

0.6611

  
 

Duman [11]

0.4932

0.5039

0.4775

0.5225

0.5420

0.5000

0.5195

0.5010

0.5391

0.5059

  

Lake

Proposed

0.7620

0.7322

0.7668

0.7405

0.7087

0.7374

0.6915

0.6864

0.5849

0.6932

  
 

Li [27]

0.7432

0.7519

0.7390

0.7322

0.7358

0.7319

0.7374

0.7229

0.7342

0.7264

  
 

Patra [7]

0.6853

0.6929

0.6841

0.6804

0.6882

0.6726

0.6704

0.6853

0.6777

0.6780

  
 

Duman [11]

0.5020

0.4639

0.4756

0.5176

0.4766

0.4990

0.5088

0.5205

0.5000

0.5186

  

Goldhill

Proposed

0.7251

0.6754

0.6944

0.6537

0.6899

0.6518

0.6495

0.6818

0.6802

0.6143

  
 

Li [27]

0.6767

0.7099

0.7022

0.6893

0.6822

0.7035

0.7057

0.7016

0.6660

0.6983

  
 

Patra [7]

0.6448

0.6580

0.6428

0.6467

0.6328

0.6406

0.6372

0.6587

0.6340

0.6445

  
 

Duman [11]

0.4668

0.4814

0.4531

0.4941

0.5303

0.5156

0.5156

0.5146

0.5059

0.5156

  

Barbara

Proposed

0.7930

0.8065

0.7852

0.7297

0.7368

0.6877

0.7600

0.7164

0.7064

0.7339

  
 

Li [27]

0.7671

0.7626

0.7655

0.7545

0.7523

0.7513

0.7552

0.7445

0.7419

0.7397

  
 

Patra [7]

0.6748

0.6777

0.6709

0.6750

0.6772

0.6750

0.6738

0.6650

0.6685

0.6614

  
 

Duman [11]

0.4824

0.4795

0.4688

0.4746

0.4980

0.5049

0.5127

0.5332

0.4922

0.5400

  

Baboon

Proposed

0.7484

0.7500

0.7464

0.7158

0.6909

0.7442

0.6738

0.7374

0.7087

0.6024

  
 

Li [27]

0.6392

0.6450

0.6499

0.6499

0.6463

0.6525

0.6486

0.6508

0.6489

0.6528

  
 

Patra [7]

0.6274

0.6482

0.6406

0.6372

0.6331

0.6497

0.6252

0.6587

0.6338

0.6431

  
 

Duman [11]

0.4961

0.4609

0.4883

0.5010

0.5166

0.4902

0.5000

0.5098

0.5088

0.5313

  

Elaine

Proposed

0.7348

0.7235

0.7203

0.6776

0.7048

0.7332

0.6586

0.6783

0.6576

0.6764

  
 

Li [27]

0.7506

0.7552

0.7545

0.7536

0.7558

0.7561

0.7536

0.7377

0.7432

0.7749

  
 

Patra [7]

0.6675

0.6829

0.6655

0.6685

0.6721

0.6804

0.6689

0.6721

0.6577

0.6670

  
 

Duman [11]

0.5020

0.4727

0.4482

0.4600

0.4785

0.4824

0.5068

0.4746

0.5391

0.5322

  

Peppers

Proposed

0.9028

0.8589

0.7807

0.8253

0.8075

0.7571

0.7623

0.7410

0.7158

0.7274

  
 

Li [27]

0.8030

0.7787

0.7713

0.7258

0.7248

0.7235

0.7122

0.7193

0.7826

0.7668

  
 

Patra [7]

0.6726

0.6980

0.6763

0.6755

0.6853

0.6838

0.6716

0.6792

0.6824

0.6699

  
 

Duman [11]

0.4941

0.4932

0.4912

0.4902

0.5088

0.5000

0.4912

0.5283

0.5049

0.5000

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