Research Article
3D XCT Mesostructure Characterization and Image-Based Discrete Element (DE) Modelling of Failure Patterns in Coal Gangue Particles (CGPs)
Table 1
Comparison for segmentation and validation results of CGPs.
| Sample size (mm) | Resolution (μm) | Scale parameter | Segmentation algorithm | Composition analysis (%) | Error (%) | Coal | Gangue |
| 1∼2 | 35.35 | 28 | Thresholding | 62.79 | 37.21 | 28.08 | 35.35 | 28 | Feature-based | 73.24 | 26.76 | 3∼5 | 35.35 | 84 | Thresholding | 56.68 | 43.32 | 6.34 | 35.35 | 84 | Feature-based | 59.43 | 40.57 |
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