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Table 7 Comparison of the proposed method with similar domain methods.

From: A Contourlet-Based Image Watermarking Scheme with High Resistance to Removal and Geometrical Attacks

Characteristic

Proposed method

CEW

Method I & Method II

Watermark type

Gray scale

Binary

Binary

No. watermark bits embedded

17 KB(128×128)

Not mentioned

16×16

PSNR in dB

46.97

Not mentioned

≈ 47

No. reported attacks

13

3

3

Extraction type

Nonblind

Nonblind

Nonblind