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Table 4 Error matrices and CCQ results for overall and five sub reference areas

From: Detecting peatland drains with Object Based Image Analysis and Geoeye-1 imagery

Name OA (%) PA UA KS (%) Completeness (%) Correctness (%) Quality (%)
D (%) ND (%) D (%) ND (%)
RAN 95 61 99 88 96 70 81 93 75
RANC 95 67 99 88 96 73 87 84 74
RAW 93 43 100 92 93 92 74 81 59
RAC 97 82 98 87 98 83 92 92 85
RAS 95 74 97 77 97 73 86 83 73
AOI 94 60 99 83 95 66 85 85 71
  1. D drain, ND not drain, OA overall assessment, PA producer’s accuracy, UA user’s accuracy, KS kappa statistic, AOI area of interest i.e. total study site
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