TASK 3        Text Area Detection                                                                                       

Top & down results

Distribution of the top and down results

Run

N° images : Hmean (Wolf) = 1

(A)

N° images : Hmean (ICDAR) > 0.8

(B)

Distribution (left : A; right : B)

Old Postcards

Color photographs

B&W Photographs

Run 1

235

220

63

61

119

113

53

46

Run 2

227

212

60

58

115

110

52

44

Run 3

224

210

61

59

112

107

51

44

Run 4

213

199

62

61

108

102

43

36

Run 5

53

38

9

7

21

16

23

15

 

Number of images without text area detected

Run

Number of images without text detected

Run 1

65 (24 old postcards, 41 colour and black and white photographs)

Run 2

65 (24 old postcards, 41 colour and black and white photographs)

Run 3

65 (25 old postcards, 40 colour and black and white photographs)

Run 4

68 (25 old postcards, 43 colour and black and white photographs)

Run 5

10 (3 old postcards, 7 colours and black and white photographs)