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Table 4 Results of the multispectral simulation for the three differentiation tasks

From: Evaluating the suitability of hyper- and multispectral imaging to detect foliar symptoms of the grapevine trunk disease Esca in vineyards

    VNIR   SWIR
HSI Multispectral   HSI Multispectral
186 2 3 4 5 6 7 8 9 10 RE 288 2 3 4 5 6 7 8 9 10
2016 Symptomatic (original) CA (%) 73 60 66 71 72 74 75 75 76 76 70 73 58 60 63 65 66 67 68 69 70
TPR (%) 71 77 71 70 72 72 79 77 77 78 71 70 66 66 66 65 69 66 73 71 74
FPR (%) 29 37 39 27 26 25 26 26 24 24 30 34 50 40 35 35 34 35 33 30 32
Symptomatic (annotated) CA (%) 92 68 69 79 84 86 91 90 91 91 82 88 61 85 85 86 86 86 87 87 87
TPR (%) 89 69 72 78 83 86 88 88 88 88 86 86 84 71 71 75 76 77 79 81 81
FPR (%) 0 32 31 19 13 10 6 6 7 6 22 2 48 1 1 3 3 6 4 7 6
Pre-symptomatic CA (%)
TPR (%)
FPR (%)
2017 Symptomatic (original) CA (%) 70 57 61 66 70 70 71 72 72 73 68 81 62 66 71 74 78 78 79 81 83
TPR (%) 73 80 68 74 74 72 73 78 76 77 72 82 81 77 75 80 84 82 81 84 86
FPR (%) 32 45 42 39 33 32 32 31 30 30 35 26 44 43 34 31 27 27 23 22 18
Symptomatic (annotated) CA (%) 90 67 77 73 85 85 86 87 86 89 83 95 65 66 71 77 79 84 87 88 89
TPR (%) 90 74 76 81 87 89 89 89 88 91 84 90 77 77 79 78 78 86 86 89 87
FPR (%) 11 41 22 34 16 17 15 14 15 13 19 6 44 33 31 24 22 16 12 11 11
Pre-symptomatic CA (%) 62 53 54 56 59 60 61 62 63 65 59 74 57 62 65 66 67 68 70 71 71
TPR (%) 63 38 54 48 61 65 66 60 56 64 56 78 68 71 71 70 77 73 81 77 77
FPR (%) 35 36 39 36 44 36 32 33 34 31 37 32 52 45 40 41 39 36 36 35 36
2018 Symptomatic (original) CA (%) 77 63 63 73 75 75 76 76 77 77 68 80 60 60 68 70 72 75 75 77 79
TPR (%) 72 74 66 73 76 74 74 77 77 80 67 74 56 60 64 67 68 74 78 78 82
FPR (%) 22 41 33 35 25 22 23 25 24 23 31 20 41 37 27 30 28 23 25 21 20
Symptomatic (annotated) CA (%) 94 71 80 81 82 83 89 90 91 91 84 92 67 73 76 79 85 87 87 88 89
TPR (%) 93 71 81 82 82 85 89 89 91 90 83 100 68 65 73 72 83 84 86 87 88
FPR (%) 5 25 21 20 17 16 11 10 10 10 16 5 28 17 17 16 12 10 12 10 9
Pre-symptomatic CA (%) 79 62 66 68 70 71 74 74 75 76 69 86 60 63 65 75 77 78 80 81 82
TPR (%) 83 77 73 78 82 82 78 80 81 80 72 87 54 71 63 78 80 80 82 84 79
FPR (%) 28 41 35 39 24 35 31 31 29 29 34 21 42 40 42 24 22 22 19 17 19
  1. CA  classification accuracy, TPR   true-positive rate, FPR   false-positive rate, HSI  Hyperspectral Imaging, RE  simulation RedEdge™ wavelengths, 186/288 = wavelength bands of the hyperspectral sensors, 2–10 = number of selected spectral bands
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