2D+t Wavelet Domain Video Watermarking

Table 2

Hamming distance for blind watermarking by estimating motion from watermarked video using different macro block size (MB) and search range (SR). Embedding at LL_𝑠 on frame: (a) LLL and (b) LLH on Crew sequence (average of first 64 frames).

(a) LLL

	MV from watermarked video: MB/SR
	32×32	16×16	16×16	8×8	8×8	4×4	4×4
	/±64	/±64	/±32	/±32	/±16	/±16	/±8
032	0.03	0.06	0.05	0.09	0.09	0.09	0.09
131	—	0.03	0.03	0.07	0.07	0.14	0.13
230	—	—	—	0.03	0.03	0.15	0.12

(b) LLH

	MV from watermarked video: MB/SR
	32×32	16×16	16×16	8×8	8×8	4×4	4×4
	/±64	/±64	/±32	/±32	/±16	/±16	/±8
032	0.17	0.24	0.23	0.36	0.36	0.48	0.47
131	—	0.16	0.16	0.23	0.23	0.41	0.38
230	—	—	—	0.17	0.17	0.28	0.27