Fig. 1. Structure of different models. (a) Structure of DBN; (b) structure of DBM; (c) structure of CRBM
Fig. 2. Sampling processes of different models. (a) DBN model; (b) DBM model; (c) CRBM model
Fig. 3. Examples of distance transformation. (a) Generated shapes; (b) contour maps; (c) sign distance functions
Fig. 4. Partial experiment images on Satellite-2000 dataset
Fig. 5. Partial experiment images on Vaihigen dataset
Fig. 6. Shape results from different models. (a)(e) Ground-truth images; (b)(f) shapes from DBN model; (c)(g) shapes from DBM model; (d)(h) shapes from CRBM model
Fig. 7. Segmentation results of different models. (a) RGB images; (b) CV model segmentation results; (c) DBN-CV model segmentation results; (d) DBM-CV model segmentation results; (e) CRBM-CV model segmentation results; (f) ground-truth images
Fig. 8. Segmentation evaluation results of different models. (a) Global acc values; (b) IOU values
Fig. 9. Average Global acc and average IOU values of different models on the Satellite-2000 dataset. (a) Average Global acc; (b) average IOU
Fig. 10. Segmentation results of different models. (a) RGB images; (b) CV model segmentation results; (c) DBN-CV model segmentation results; (d) DBM-CV model segmentation results; (e) CRBM-CV model segmentation results; (f) ground-truth images
Fig. 11. Segmentation evaluation results of different models. (a) Global acc values; (b) IOU values
Fig. 12. Average Global acc and average IOU values of different models on the Vaihigen dataset. (a) Average Global acc values ; (b) average IOU values
Fig. 13. Segmentation results on other images. (a)(d) RGB images; (b)(e) CV model segmentation results; (c)(f) CRBM-CV model segmentation results
Model | Satellite-2000 | Vaihigen |
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Training time /s | Euclidean distance | Euclidean distance | |
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Training set | | Test set | Training set | Test set | DBN | 4612.57 | 5.8094 | 6.3203 | 5471.34 | 6.7854 | 7.3183 | DBM | 4954.44 | 4.6271 | 4.8724 | 6854.43 | 5.6271 | 6.1724 | CRBM | 1237.09 | 3.8042 | 4.3912 | 2735.09 | 4.8042 | 5.3912 |
|
Table 1. Training time of different models and average Euclidean distance measure of shape results