Audio and Video Matching Zero-Watermarking Algorithm Based on NSCT

Table 3

The experimental results of the proposed algorithm are compared with those of literature algorithms (NC value).

Experiment audio	Attack type	Literature [26] algorithm	Literature [27] algorithm	Proposed algorithm
Classical	Requantization	0.9910	0.9963	0.9978
	Resampling	0.9874	0.9899	0.9914
	Gaussian noise (20 dB)	0.9158	0.9467	0.9235
	Gaussian noise (30 dB)	0.9756	0.9999	1
	Low-pass filtering	0.9845	0.9913	0.9946
	MP3 compression	0.9389	0.9864	0.9969
Pop	Gaussian noise (20 dB)	0.9295	0.9665	0.9451
	Gaussian noise (30 dB)	0.9819	0.9993	1
	Low-pass filtering	0.9876	0.9911	0.9985
	MP3 compression	0.9539	0.9899	0.9984
	Requantization	0.9945	0.9985	0.9992
	Resampling	0.9956	0.9918	0.9996