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Table 2 Comparing the performances among DP-optimal, Greedy, and Zigzag on four different in-painted sequences.

From: Video Data Hiding for Managing Privacy Information in Surveillance Systems

In-painted sequences

Minnesota

Board

Two-persons

Three-persons

Bitrate (kbps)

DP optimal

927.3

96.9

344.8

472.3

 

Greedy

933.5

96.1

345.8

473.1

 

Zigzag

937.2

97.0

340.0

463.2

PSNR-Y (dB)

DP optimal

31.83

37.73

35.37

34.30

 

Greedy

31.84

37.80

35.36

34.31

 

Zigzag

31.62

37.73

35.33

34.28

Distortion

DP optimal

30.69

18.50

22.88

30.61

 

Greedy

30.84

18.83

22.95

30.46

 

Zigzag

42.96

22.43

29.67

38.55

Cost ()

DP optimal

731.7

252.5

438.4

591.6

 

Greedy

736.7

256.3

439.7

590.2

 

Zigzag

889.9

301.7

520.8

686.3

Speed (sec/frame)

DP optimal

904.3

890.1

892.0

892.9

 

Greedy

35.5

35.2

34.8

35.1

 

Zigzag

1.6

1.5

1.5

1.5