An Intelligent Ship Image/Video Detection and Classification Method with Improved Regressive Deep Convolutional Neural Network

Table 2

The experiment effects of different activation functions.

Activation function	AIOU	mAP	Recall
Relu	0.7247	0.7932	0.9492
ELU	0.7306	0.8005	0.9559
Leaky-Relu	0.7329	0.7987	0.9616