Tianhao Ma, Hai Tan, Tianqi Li, Yanan Wu, Qi Liu. Road Extraction from GF-1 Remote Sensing Images Based on Dilated Convolution Residual Network with Multi-Scale Feature Fusion[J]. Laser & Optoelectronics Progress, 2021, 58(2): 0228001
- Laser & Optoelectronics Progress
- Vol. 58, Issue 2, 0228001 (2021)
Fig. 1. Receptive field size of dilated convolution kernel. (a) Dilation rate is 1; (b) dilation rate is 2; (c) dilation rate is 4
Fig. 2. Road identification network structure designed in this paper
Fig. 3. Dilated convolution residual neural network structure
Fig. 4. Training samples and labels. (a) Original image a; (b) label of image a; (c) original image b; (d) label of image b
Fig. 5. Comparison of experimental results. (a) Input images; (b) ground truth; (c) extraction results of FCN-8s; (d) extraction results of SegNet; (e) extraction results of ResNet-101; (f) extraction results of our method
Fig. 6. Enlarged display of experimental results. (a) Input images; (b) ground truth; (c) extraction results of ResNet-101; (d) extraction results of our method
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Table 1. Quantitative evaluation of extraction accuracy of each method%
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