MRFDCNet: Multireceptive Field Dense Connection Network for Real-Time Semantic Segmentation

Table 1

The architecture of MRFDCNet. “r₁” and “r₂” denote the dilation rates of depthwise dilated separable convolution.

Layer	Type	Mode	Channel
1	3 × 3 conv	Stride 2	32
2	3 × 3 conv	Stride 1	32
3	3 × 3 conv	Stride 1	32
4	Downsampling	—	64
5	MRFDC block 1	Dilated r1 = 2 r2 = 4	64
6	MRFDC block 1	Dilated r1 = 4 r2 = 2	64
7	3 × 3 conv	Stride 2	128
8	MRFDC block 2	Dilated r1 = 2 r2 = 16	128
9	MRFDC block 2	Dilated r1 = 4 r2 = 8	128
10	MRFDC block 2	Dilated r1 = 8 r2 = 4	128
11	MRFDC block 2	Dilated r1 = 16 r2 = 2	128
12	MRFDC block 2	Dilated r1 = 2 r2 = 16	128
13	MRFDC block 2	Dilated r1 = 4 r2 = 8	128
14	MRFDC block 2	Dilated r1 = 8 r2 = 4	128
15	MRFDC block 2	Dilated r1 = 16 r2 = 2	128
16	GA module	C 1 = 131, C2 = 256	N
17	Bilinear interpolation	×2	N