EURASIP Journal on Advances in Signal Processing

Table 5 Comparison of robustness (BCR) against image compression 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
JPEG 2000	79.8	97.2	86.8	90.2
(R = 0.02)
JPEG 2000	92.2	98.8	100	99.6
(R = 0.03)
JPEG 2000	98.4	100	100	100
(R = 0.04)
JPEG lossy	89.2	100	74.9	100
(Q = 40)
JPEG lossy	78.4	98.4	68.7	99.4
(Q = 30)
JPEG lossy	69.8	94.5	61.4	88.8
(Q = 20)

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