Table 7 Performance of each algorithm using images from the SIMPLIcity dataset binarized by Otsu's method at nine densities

P-mask

He et al. [8]

Grana et al. [3]

B-mask

0.1

27

324.444

Max

4.055

3.277

2.234

2.395

Mean

3.800

3.060

2.034

2.244

Min

3.715

2.995

1.960

2.182

0.2

67

631.328

Max

4.359

3.597

2.489

2.556

Mean

4.101

3.432

2.327

2.458

Min

4.020

3.351

2.262

2.404

0.3

171

522.468

Max

4.434

3.784

2.615

2.723

Mean

4.307

3.684

2.528

2.627

Min

4.228

3.619

2.475

2.576

0.4

225

536.462

Max

4.559

3.962

2.797

2.808

Mean

4.459

3.877

2.688

2.739

Min

4.378

3.805

2.616

2.679

0.5

167

523.515

Max

4.523

4.034

2.965

2.903

Mean

4.492

3.990

2.845

2.784

Min

4.465

3.967

2.781

2.760

0.6

128

472.727

Max

4.668

4.232

2.993

2.928

Mean

4.624

4.185

2.937

2.884

Min

4.592

4.154

2.899

2.854

0.7

77

384.234

Max

4.666

4.309

3.025

2.915

Mean

4.625

4.248

2.956

2.882

Min

4.593

4.219

2.905

2.845

0.8

77

207.221

Max

4.229

3.989

2.747

2.615

Mean

4.172

3.945

2.696

2.569

Min

4.151

3.918

2.659

2.542

0.9

61

134.902

Max

4.019

3.863

2.632

2.523

Mean

3.977

3.827

2.573

2.424

Min

3.944

3.793

2.536

2.374