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Outline
Aiming at the problems of uneven illumination, complex background and large difference in structural plane morphology of borehole images, a dual-encoder interactive attention enhanced fusion network ( DISA-FuseNet ) was proposed. Based on the UNet encoder-decoder architecture, the network adopted the dual-encoder structure of Swin Transformer and ResNet50 to capture global context information and local detail features simultaneously. The attention was weighted by the Statistical Aggregation Channel Attention ( SACA ) module to suppress the background noise and irrelevant information of the rock mass. The underlying features were inputted into the Adaptive Hierarchical Enhancement module ( AHE ) after splicing to enhance the network's ability to capture multi-scale structural plane features. Experimental verification was conducted based on the self-constructed borehole structural plane dataset, and DISA-FuseNet was compared with five models, namely UNet, Deeplabv3+, Trans-UNet, DeepCrack and CrackFormer. The results show that DISA-FuseNet outperforms all the other models in terms of mean intersection over union, mean pixel accuracy, recall, precision and F1-score, these indexes are increased by 8.44, 9.51, 8.52, 10.60 and 9.62 percentage points respectively compared with those of the baseline model UNet. Furthermore, a method for structural plane parameter extraction and 3D visualization is proposed, which enables the accurate extraction of structural plane parameters and the construction of an interactive 3D visualization model. The actual engineering case verifies that the method has good effectiveness and engineering applicability.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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