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Table 4 Average hit rate of the theoretical optimal mode in function of q

From: Gradient-based pre-processing for intra prediction in High Efficiency Video Coding

Sequence

QP

OFF

q

1

1.3

1.5

2

Traffic

22

67.7

71.0

71.0

71.1

71.1

37

65.4

65.7

65.8

65.9

66.2

Kimono1

22

58.4

61.1

61.9

61.9

61.9

37

49.2

45.9

47.9

48.0

48.4

BasketballDrill

22

70.3

78.7

78.7

78.7

78.2

37

65.1

71.0

71.4

71.4

71.0

BasketballPass

22

69.7

77.5

77.3

77.4

77.3

37

61.8

65.6

66.8

66.8

66.6

FourPeople

22

64.0

68.6

69.3

69.4

69.3

37

62.3

64.6

66.0

66.1

66.3

Ave.

63,39

66.97

67.61

67.67

67.63