An Efficient Communication Intrusion Detection Scheme in AMI Combining Feature Dimensionality Reduction and Improved LSTM

Table 4

Explanation of the meaning of each item in the confusion matrix.

Items in confusion matrix	Explanation
TP	The number of intrusion attack traffic detected as positive samples
TN	The number of normal traffic detected as negative samples
FP	The number of normal traffic detected as positive samples
FN	The number of intrusion attack traffic detected as negative samples