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Table 6 Experiment results comparison under cropping (NC values)

From: Robust digital image watermarking scheme using wave atoms with multiple description coding

Cropping

Type 1 (Figure5f)

Type 2 (Figure5g)

Type 3 (Figure5h)

Type 4 (Figure5i)

Type 5 (Figure5j)

[21]

0.7641

0.8897

0.752

0.8579

0.8983

[12]

0.9118

0.9158

0.8888

0.869

0.8748

[22]

0.678

0.8611

0.6788

0.6758

0.6768

Proposed scheme

0.9889

0.9744

0.7865

0.8783

0.9133