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Table 1 Correct classification rates for gender detection using random forests (RF) and kernel discriminant analysis (KDA)

From: Automatic prediction of age, gender, and nationality in offline handwriting

 

Arabic

English

Both

 

Same text (%)

Different text (%)

Same text (%)

Different text (%)

Same text (%)

Different text (%)

Feature

RF

KDA

RF

KDA

RF

KDA

RF

KDA

RF

KDA

RF

KDA

f1

59.4

65.5

62.1

62.9

62.0

64.1

63.3

62.9

63.3

64.7

63.0

59.2

f2

68.3

63.9

66.9

63.1

63.4

62.8

69.2

62.2

64.9

68.5

67.5

60.6

f3

58.1

59.9

62.1

60.6

62.7

58.3

63.0

54.3

61.3

60.2

61.1

59.9

f4

53.0

60.6

54.8

57.1

64.1

53.5

59.2

53.3

57.8

61.6

56.1

62.7

f5

68.9

64.8

65.2

65.3

65.5

62.4

66.8

65.7

66.6

69.2

67.0

64.4

f6

67.0

68.6

68.6

66.1

67.3

69.3

71.6

70.2

66.9

68.2

70.3

68.0

f7

65.7

70.0

68.3

71.8

68.7

69.3

69.9

73.7

66.3

74.1

69.3

73.6

f8

57.1

58.9

54.8

59.1

52.8

57.2

58.5

54.9

54.6

58.5

56.3

60.2

f9

55.2

58.2

56.6

57.4

59.9

57.2

60.6

54.9

57.8

57.8

57.5

59.9

f10

55.9

58.7

56.6

61.9

57.8

57.2

55.7

60.0

56.3

58.8

54.4

59.5

f11

58.4

61.5

59.7

58.1

59.9

61.7

56.8

60.6

57.8

61.6

58.7

56.0

f12

63.8

61.5

62.8

62.4

64.1

58.6

59.5

62.9

62.6

63.0

60.8

59.5

f13

64.4

62.0

64.5

62.8

63.7

63.5

63.0

60.3

63.9

62.3

63.0

60.9

f14

63.8

63.6

65.2

60.8

64.4

60.0

62.3

61.3

63.3

63.3

64.9

62.0

f15

64.4

63.6

66.9

62.9

65.1

66.2

61.6

62.5

65.3

59.2

66.2

67.3

f16

65.1

63.0

69.3

63.8

62.7

63.8

64.7

61.3

63.6

60.6

67.7

62.3

f17

66.7

61.8

68.6

59.4

61.6

66.2

64.4

61.3

62.6

57.8

67.4

60.2

f18

56.5

59.1

58.6

59.6

61.3

58.3

60.9

56.8

58.1

59.2

63.2

62.7

f19

56.5

61.8

58.3

62.3

60.6

55.5

59.5

61.9

57.9

65.1

60.3

61.6

f20

60.3

64.1

60.3

63.8

58.8

59.7

60.9

64.8

60.1

67.5

60.3

60.6

f21

62.5

64.8

62.4

64.1

62.7

62.4

61.6

63.2

61.3

67.5

63.0

62.3

f22

65.7

65.3

63.5

63.6

62.7

61.7

61.9

63.2

64.4

65.4

63.6

64.1

f23

67.9

63.7

63.5

66.1

67.6

62.1

63.0

65.4

66.4

63.3

64.1

64.1

f24

67.9

64.4

66.2

65.9

70.8

63.1

64.4

64.1

68.8

63.7

65.5

65.9

f25

68.3

66.5

65.2

66.8

69.7

64.8

64.7

65.4

68.3

66.1

66.3

65.1

f26

68.3

66.8

67.6

66.4

69.7

66.9

65.7

68.6

69.3

64.7

66.7

64.1

f1 + f2 + f3

65.4

68.6

66.6

69.5

64.8

66.6

74.7

68.3

62.8

72.0

69.1

64.1

f4 +,…, + f7

67.3

68.9

68.6

70.1

69.0

69.0

70.2

70.8

64.8

70.2

69.8

69.0

f8 +,…, + f17

67.6

65.8

67.6

63.6

66.2

64.5

63.7

63.8

66.9

63.7

67.7

66.9

f18 +,…, + f26

67.3

67.2

64.8

66.8

71.1

64.5

64.0

66.4

68.8

66.8

66.1

65.1

f1 +,…, + f26

71.1

68.4

69.0

71.6

69.7

68.6

68.2

66.4

69.8

72.3

68.7

70.8