Table 5 Experiment results comparison under JPEG compression (NC values)

[21]

0.9668

0.9064

0.9198

0.8465

0.7836

0.8645

0.6717

0.7259

0.6967

0.611

[12]

1

1

0.9963

0.9963

1

0.9853

0.9704

0.9289

0.7761

0.6138

[22]

0.9704

0.9245

0.891

0.881

0.8682

0.8558

0.8382

0.818

0.7858

0.7413

[23]

0.9547

0.7550

0.5314

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Proposed scheme

1

0.9633

0.8977

0.8997

0.8782

0.8296

0.8017

0.7408

0.6838

0.5334