Table 2. The characteristics of deep networks used in this study.

Model	Fully connected layer name	Depth	Size	Parameters (millions)	Image input size
DarkNet53	conv53	53	155 MB	41.6	256 × 256
DenseNet201	fc1000	201	77 MB	20.0	224 × 224
Xception	prediction	71	85 MB	22.9	299 × 299