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Table 3 Comparative performance of leukocyte detection over 80 images contaminated by various levels of gaussian noise

From: An object localization optimization technique in medical images using plant growth simulation algorithm

Noise level

Method

Leukocyte detected (true positives)

Missing Leukocyte (false negatives]

Wrongly detected leukocyte (false positives)

True positive rate (%)

False positive rate (%)

False discovery rate (%)

Positive predictive value (%)

Gaussian noise

463 leukocytes

σ = 10

HT

206

257

77

40.37

18.07

90.81

72.79

FCCN

343

120

71

72.53

16.67

28.99

82.85

GA + ACO

335

128

65

70.66

15.26

32.00

83.75

PGSA

431

32

21

93.19

4.93

7.08

95.35

Gaussian noise

463 leukocytes

σ = 15

HT

177

285

106

33.57

24.88

98.77

62.54

FCCN

315

148

89

65.96

20.89

36.63

77.97

GA + ACO

298

165

102

61.97

23.94

41.25

74.50

PGSA

414

49

32

89.20

7.51

10.99

92.83