Research Article

Image Robust Watermarking Method Based on DWT-SVD Transform and Chaotic Map

Table 7

BER values for attacks on watermarked images.

AttacksLenaBaboonBoatCouplePepperLakeManHouseTowerSea

10000000000
20.01100.01080.01100.01080.01090.01090.01090.01070.01090.0111
30.01180.01180.01180.01170.01180.01180.01180.01170.01180.0118
40.01190.01190.01190.01190.01190.01190.01190.01190.01190.0119
50.01160.01150.01160.01150.01150.01150.01150.01140.01150.0116
60.01190.01190.01190.01190.01180.01190.01190.01190.01190.0119
70.01190.01190.01190.01190.01190.01190.01190.01190.01190.0119
80.00970.00910.00970.00910.00910.00940.00890.00960.00940.0101
90.01090.01070.01100.01090.01080.01090.01080.01070.01100.0111
100.01170.01170.01180.01180.01180.01180.01180.01180.01180.0118
110.07020.07500.06500.06740.06530.07320.05790.06730.07200.0725
120.08940.06970.09590.12530.07720.08890.04210.09120.06970.0725
130.02090.02400.01200.01120.03060.02770.02030.01670.01550.0219
140.03050.02750.01270.01090.03630.03780.03150.01920.01600.0179
150.07640.07360.07350.07490.07020.05760.06480.04130.06750.0656
160.12050.07370.07790.20970.18970.14080.10540.05150.07310.0727
170.06710.09490.04960.09490.13300.07900.12100.05000.08360.0546
180.07440.13760.08120.13590.16500.13070.15700.08960.12110.1179
190.03040.05200.02400.04880.08090.06240.06430.02530.05690.0259
200.04140.06700.16270.06500.10060.08100.08460.19940.07710.0342
210.01160.01160.01140.01170.01170.02430.01170.01180.01170.0115
220.00900.00960.00870.00950.00920.00980.00940.00980.01190.0200
230.07590.07560.07590.07560.07590.07590.07590.07590.07580.0746
240.00980.01070.01090.01060.00090.01120.01010.02530.00910.0309