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
on frame: (a)
and (b)
on
Crew
sequence (average of first 64 frames).
(a)
LLL
MV from watermarked video: MB/SR
/±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
/±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