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Table 3 Resulting η (%) values of the proposed two-step method for a subset of the tested image sequences

From: A two-stage algorithm for the early detection of zero-quantized discrete cosine transform coefficients in High Efficiency Video Coding

Class

Sequence name

QP = 22

27

32

37

  

N=8

16

32

N=8

16

32

N=8

16

32

N=8

16

32

B

BasketBallDrive

58.2

44.5

36.7

64.9

52.1

40.4

87.8

81.3

76.5

98.5

97.9

93.2

 

BQTerrace

57.1

46.6

50.1

70.5

68.0

53.2

89.6

84.1

80.2

98.1

98.4

93.9

 

ParkScene

59.4

48.8

49.2

71.1

67.3

48.9

89.1

82.6

79.1

98.2

96.7

92.1

C

BasketballDrill

90.1

73.1

37.6

90.4

83.5

62.8

94.3

87.2

81.7

98.7

91.9

85.1

 

BQMall

91.5

72.8

39.0

91.8

84.2

62.5

94.5

88.1

82.2

98.9

92.2

86.9

 

Keiba

88.7

50.3

48.1

86.9

75.1

51.9

90.1

79.5

71.2

96.8

95.3

90.6

 

PartyScene

91.8

71.1

41.7

92.1

83.9

61.8

94.6

88.0

82.5

98.1

92.4

87.1

D

BasketballPass

60.1

46.4

37.6

65.2

52.0

41.5

87.9

82.1

79.2

98.7

95.9

94.2

 

BQSquare

87.6

72.4

35.5

92.7

85.1

75.9

95.9

89.2

96.1

97.2

93.8

98.1

 

BlowingBubbles

88.7

74.3

48.8

92.1

86.6

76.1

95.2

90.0

95.2

97.4

94.1

96.5

E

FourPeople

87.6

71.0

30.5

92.3

84.0

74.9

95.5

89.1

96.0

98.2

93.4

98.6

 

KristenAndSara

88.5

70.8

30.9

91.7

85.5

74.2

96.1

88.7

96.2

98.7

93.0

98.2

 

Stockholm

63.1

59.3

33.8

56.1

46.9

41.4

72.4

69.2

48.4

93.8

92.4

71.2