Table 6 The evaluation metrics with different buffer distances at a buffer angle of 30°

From: A detection-screening framework for karez (ancient underground irrigation system) using deep learning and geospatial analysis

Distance

P

R

F1

mAP50

mAP50-95

TP

FP

FN

90

0.795

0.933

0.859

0.890

0.884

1500

386

107

100

0.786

0.966

0.867

0.918

0.912

1553

422

54

105

0.780

0.969

0.864

0.920

0.913

1557

439

50

110

0.775

0.975

0.864

0.924

0.918

1567

454

40

115

0.770

0.976

0.861

0.925

0.918

1569

469

38

120

0.764

0.977

0.857

0.924

0.918

1570

486

37

125

0.760

0.977

0.855

0.922

0.916

1570

497

37

135

0.750

0.978

0.849

0.920

0.914

1571

524

36

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