Large-Truck Safety Warning System Based on Lightweight SSD Model

Table 2

The model test results with different atrous convolution rates.

Rate of atrous convolution	Fps (frames/s)	mAP (%)
2 × conv (rate = 2)	17	64.7
3 × conv (rate = 2)	17	63.8
2 × conv (rate = 3)	17	64.1
2 × conv (rate = 4)	17	62.5
2 × conv (rate = 6)	17	63.1