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Table 1 Comparative performance of HT, FCCN, GA+ACO and PGSA for leukocyte detection with respect to true positive rate, false positive rate, false discovery rate and positive predictive value

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

Leukocyte type Method Leukocytes detected (true positives) Missing leukocytes (false negatives) Missing leukocytes (false negatives) True positive rate (%) False positive rate (%) False discovery rate (%) Positive predictive value (%)
Bright leukocyte (256) HT 135 121 67 46.85 30.18 59.90 66.83
FCCN 206 50 55 78.83 24.77 19.16 78.93
GA + ACO 217 39 42 83.78 18.92 15.06 83.78
PGSA 242 14 10 98.01 1.99 5.56 96.03
Dark leukocyte (207) HT 100 107 54 48.04 26.47 69.48 64.94
FCCN 168 39 49 81.37 24.02 17.97 77.42
GA + ACO 183 24 38 88.72 18.63 10.86 82.81
PGSA 202 5 6 98.55 1.45 2.40 97.12
Overall (463) HT 235 228 121 47.42 28.40 64.04 66.01
FCCN 374 89 104 80.05 24.41 18.62 78.24
GA + ACO 400 63 80 86.15 18.78 13.13 83.33
PGSA 444 19 16 98.28 1.72 4.13 96.52
  1. Italic values signifies the % of true and false positive