A Robust Watermarking Scheme Based on the Mean Modulation of DWT Coefficients

Table 5

BER(%) comparison with [26] using a message length of 128 bits.

Attack	Method	Barbara	Mandrill	Map	Couple	Bridge
JPEG (10)	[26]	5,4700	5,47	6,25	21,8800	14,0600
	Proposed	0,0078	0	0	0,1250	0,0078
JPEG (20)	[26]	0,7800	2,34	0	5,4700	3,1300
	Proposed	0	0	0	0,0078	0,0078
JPEG (30)	[26]	0	0	0	3,9100	0,7800
	Proposed	0	0	0	0	0
JPEG (40)	[26]	0	0	0	2,3400	0
	Proposed	0	0	0	0	0
JPEG (50)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
JPEG (60)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
JPEG (70)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
JPEG (80)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
JPEG (90)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
Scaling (0,75)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
Scaling (0,8)	[26]	0	1,50	0	0	0
	Proposed	0	0	0	0,0078	0
Scaling (0,9)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
Scaling (1,1)	[26]	0	2,34	0,78	0	1,5600
	Proposed	0	0	0	0,0312	0,0078
Scaling (1,5)	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0
Scaling	[26]	0	0	0	0	0
	Proposed	0	0	0	0	0