Research Article

2D+t Wavelet Domain Video Watermarking

Table 1

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

MV from watermarked video: MB/SR
/±64/±64/±32/±32/±16/±16/±8

032 0.02 0.03 0.02 0.03 0.03 0.04 0.04
131 0.02 0.03 0.03 0.03 0.08 0.07
230 0.03 0.03 0.08 0.07

(b) LLH

MV from watermarked video: MB/SR
/±64/±64/±32/±32/±16/±16/±8

032 0.15 0.29 0.29 0.40 0.39 0.49 0.49
131 0.22 0.21 0.29 0.28 0.44 0.44
230 0.23 0.22 0.30 0.30