Research Article
Rough Set Neural Network Feature Extraction and Pattern Recognition of Shaft Orbits Based on the Zernike Moment
Table 5
Average values of Hu moments.
| Axis orbit | | | | | | | |
| Ellipse | 0.211 | 0.386 | 3.211 | 3.518 | 6.998 | 3.595 | 7.523 | Banana | 0.137 | 0.655 | 0.339 | 1.976 | 3.150 | 2.363 | 3.455 | Inner 8 | 0.162 | 0.595 | 1.026 | 0.710 | 1.758 | 1.188 | 2.105 | Outer “8” | 0.262 | 0.137 | 0.515 | 2.727 | 4.852 | 2.772 | 4.514 | Petal | 0.115 | 0.310 | 0.219 | 1.478 | 2.409 | 1.958 | 2.497 |
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