Table 7 Correlation coefficient value for RITE, DRIVE test images and other medical images.

From: Enhanced security for medical images using a new 5D hyper chaotic map and deep learning based segmentation

Image

Horizontal correlation coefficient

Vertical correlation coefficient

Diagonal correlation coefficient

Drive test image

Test image

Encrypted image

Test image

Encrypted image

Test image

Encrypted image

Rite_test_01

0.9952

−0.007082

0.9931

−0.002229

0.98627

0.002396

Rite_test_02

0.9946

−0.003340

0.9904

0.011874

0.98275

−0.006118

Rite_test_03

0.9942

0.004887

0.9909

−0.002266

0.98386

0.002593

Rite_test_04

0.9948

−0.007218

0.9901

−0.003637

0.98099

0.001716

Rite_test_05

0.9971

−0.000391

0.9936

−0.002719

0.98889

0.007835

Rite_test_06

0.9943

0.000616

0.9899

−0.004342

0.98195

−0.002745

Rite_test_07

0.9925

−0.003821

0.9878

0.006066

0.9786

−0.001618

Rite_test_08

0.9947

−0.002498

0.9908

−0.003725

0.98349

−0.001367

Rite_test_09

0.9922

−0.003439

0.9894

−0.002049

0.98049

0.002163

Rite_test_10

0.9946

0.003848

0.9912

0.001317

0.98348

0.002630

Drive_test_01

0.9944

−0.004510

0.9910

0.004100

0.98399

0.000327

Drive_test_02

0.9961

−0.001893

0.9929

0.000272

0.98736

0.000365

Drive_test_03

0.9954

−0.006763

0.9898

0.002406

0.98245

−0.004235

Drive_test_04

0.9945

−0.000945

0.9918

−0.004112

0.98237

−0.000316

Drive_test_05

0.9963

−0.005323

0.9926

0.001831

0.98629

−0.001713

Drive_test_06

0.9922

0.003019

0.9887

0.001550

0.98018

−0.002259

Drive_test_07

0.9958

−0.004700

0.9931

0.003148

0.98657

0.003177

Drive_test_08

0.9954

−0.005883

0.9930

−0.003347

0.98581

−0.003502

Drive_test_09

0.9947

0.001353

0.9914

0.001287

0.98476

0.001007

Drive_test_10

0.9959

0.002913

0.9926

0.002279

0.98707

−0.003756

Drive_test_11

0.9957

0.000660

0.9940

0.010806

0.9878

−0.005441

Drive_test_12

0.9951

0.003489

0.9916

0.007634

0.98458

−0.000378

Drive_test_13

0.9947

0.000741

0.9922

−0.005448

0.98572

0.001748

Drive_test_14

0.9952

−0.001414

0.9914

−0.003367

0.98311

0.006277

Drive_test_15

0.9974

0.001109

0.9943

−0.008311

0.99001

−0.003844

Drive_test_16

0.9948

−0.002163

0.9913

0.000310

0.98397

0.004270

Drive_test_17

0.9931

0.002348

0.9894

−0.000803

0.9809

0.009133

Drive_test_18

0.9952

0.004147

0.9920

−0.000568

0.98536

0.000645

Drive_test_19

0.9928

0.002006

0.9906

0.001677

0.98232

−0.000057

Drive_test_20

0.9951

−0.003326

0.9924

0.001637

0.98538

0.005711

Breast Image

0.9955

−0.002098

0.9841

−0.000279

0.98267

−0.001752

Gland Image

0.9911

−0.000809

0.9952

0.000887

0.98819

−0.002699

Chest Image

0.9984

−0.000131

0.9962

0.000573

0.99545

−0.000186

Brain Image

0.9471

−0.004920

0.9525

−0.004379

0.89869

−0.011123

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