[Retracted] Research on Lung Nodule Detection Based on Improved Target Detection Network

Table 1

Confusion matrix of classification results.

The true situation	Forecast result
	Positive example (P)	Counterexample (N)
Positive example (P)	TP (real case)	FN (false counterexample)
Counterexample (N)	FP (false positive)	TN (true negative example)