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Advances in Multimedia
/
2012
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Article
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Tab 1
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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