Efficient Hybrid Blind Watermarking in DWT-DCT-SVD with Dual Biometric Features for Images

Table 5

Comparison of the robustness of the proposed work with related work.

#	Image attacks	Lena		Peppers
		Ernawan et. al., [1]	Proposed scheme	Ernawan et. al., [1]	Proposed scheme
		NC	NC	NC	NC
1	No attack	1.000	1.000	1.000	1.000
2	Crop	0.973	0.9745	—	0.9821
3	Salt & pepper	0.905	1.000	1.000	1.000
4	Gaussian	1.000	0.9988	0.9988	0.9941
5	Speckle	0.818	0.9999	0.9999	0.9999
6	Rotation (10°)	—	0.75642	—	0.7714
7	Scale 2X	—	0.98712	—	0.9901
8	Scale 0.5X	—	0.99835	—	0.9942
9	Median	0.999	0.9999	0.9999	0.9999
10	Sharpening	1.000	0.999	0.999	0.999
11	Motion blur	—	0.997	0.997	0.997
12	Average filter	1.000	0.999	0.999	0.999
13	Histogram equalization	1.000	0.985	0.985	0.923
14	JPEG	1.000	0.999	0.999	0.999
15	JPEG2000	0.994	0.999	0.999	0.999