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Table 4 Sample values of pupil/iris ratio, MRL, RAP, and contour feature (area, height) results for normal, high eye pressure

From: A smart intraocular pressure risk assessment framework using frontal eye image analysis

Normal IOP

High IOP

Pupil/iris ratio

RAP

MRL

Contour area

Contour height

Pupil/iris ratio

RAP

MRL

Contour area

Contour height

0.3600

0.1612

0.2937

0.4403

0.6733

0.8556

0.9922

0.6605

0.2595

0.3533

0.3488

0.0710

0.2197

0.5413

0.5267

0.6627

0.9945

0.6059

0.1181

0.3119

0.3774

0.3670

0.3396

0.4485

0.6000

0.6875

0.8143

0.4025

0.3031

0.4833

0.5833

0.4961

0.2319

0.5755

0.8200

0.7600

0.6066

0.6025

0.0622

0.4000

0.3833

0.2269

0.2449

0.5480

0.7444

0.5208

0.7050

0.6536

0.2371

0.2400

0.4182

0.4472

0.3667

0.4730

0.6867

0.7651

0.6582

0.5020

0.2760

0.3000

0.4545

0.0978

0.1757

0.4704

0.7000

0.7310

0.7775

0.6874

0.1299

0.3267

0.4909

0.3499

0.3371

0.4877

0.7933

0.8000

0.5319

0.5493

0.3546

0.2467

0.5000

0.3352

0.2545

0.5819

0.7800

0.6167

0.6075

0.7139

0.3622

0.4133

0.3968

0.4782

0.2007

0.4735

0.6689

0.4792

0.1927

0.6240

0.0632

0.1467

0.3077

0.1925

0.368

0.4935

0.6067

0.6181

0.6663

0.6313

0.1977

0.3000

0.3333

0.0733

0.1416

0.4059

0.7933

0.5556

0.8798

0.5975

0.0594

0.2655

0.2727

0.2183

0.2955

0.4198

0.6800

0.6872

0.8236

0.7031

0.2650

0.3733

0.4182

0.3283

0.2306

0.5174

0.6533

0.7792

0.9174

0.5050

0.1474

0.4324

0.5032

0.0978

0.2449

0.5480

0.7444

0.7263

1.0000

0.6915

0.2359

0.2467

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Mean

Mean

Mean

Mean

Mean

Mean

Mean

Mean

Mean

Mean

0.4491

0.3506

0.2807

0.4553

0.6134

0.6983

0.8550

0.6363

0.2013

0.3147

STD

STD

STD

STD

STD

STD

STD

STD

STD

STD

0.0924

0.1165

0.0677

0.0722

0.1260

0.1010

0.2672

0.0732

0.1182

0.1574

Median

Median

Median

Median

Median

Median

Median

Median

Median

Median

0.4100

0.2320

0.2795

0.4673

0.6451

0.6737

0.6963

0.6984

0.2276

0.3000