EURASIP Journal on Advances in Signal Processing

Table 7 Comparison of robustness (BCR) against geometrical attacks between Feng et al. [13], Lin et al. [25], the DCT-only, and the DWT-DCT methods

From: Blind image watermarking technique based on differential embedding in DWT and DCT domains

Attack	Method
	Feng et al. [13]	Lin et al. [25]	DCT-only	DWT-DCT
Resizing (512	98.9	94.1	65.6	100
→200→512)
Rotation (0.25°)	90.6	88.2	65.5	99.4
Top left	88.3	85.1	100	99.1
quarter crop
Surrounding	82.2	82.0	99.7	99.2
crop (25 %)

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