NSD-SSD: A Novel Real-Time Ship Detector Based on Convolutional Neural Network in Surveillance Video

Table 8

The results of the ablation experiment.

VGG16	SSD	Feature fusion	Improved predicted module	Prior boxes reconstruction	mAP
✓					0.584
	✓				0.691
	✓	✓			0.832
	✓	✓	✓	✓	0.893