Robust digital image watermarking scheme using wave atoms with multiple description coding

EURASIP Journal on Advances in Signal Processing

Table 4 Experiment results comparison under Gaussian noises (NC values)

Standard variance of Gaussian noises	6	8	10	12	14	16	18	20	25	30
[21]	0.9963	0.9926	0.974	0.9738	0.9706	0.9481	0.9447	0.9324	0.9157	0.8963
[12]	1	0.9963	0.9889	0.9813	0.9702	0.9481	0.9456	0.9179	0.8372	0.7926
[22]	0.8583	0.8217	0.7962	0.7781	0.7658	0.755	0.7489	0.7396	0.7312	0.7283
Proposed scheme	1	1	1	1	0.9963	0.9778	0.9813	0.9665	0.91	0.8897