《Table 4Error matrix for Wonchang,classified using the ANN.》

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《基于人工智能技术的无人机遥感探测具有感染松材线虫病特征的树木》

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Since the confusion matrix（error matrix）method，which correspondence between the classification result and reference，so it makes the SVM and ANN has differences for its accuracy even the LC map looks similar.In addition this method used the pixel number to determine the accuracy，either for its overall accuracy or kappa coefficient.So，even though the PWD-indicated tree shade looks similar each other，the accuracy result shown was for all classes which experienced misclassification also.