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Table 7 Image classification accuracy by group in two classes where A + B + C = alive trees, D = dead trees, PA = producer’s accuracy, UA = user’s accuracy, value shown in bold = overall accuracy

From: Assessing a novel modelling approach with high resolution UAV imagery for monitoring health status in priority riparian forests

   Predicted   
  Health status A + B + C D PA
Observed A + B + C 50 6 56 0.89
D 1 24 25 0.96
  51 30 73  
  UA 0.98 0.80   0.91
  1. Kappa index = 0.82