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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