Research Article
Rough Set Neural Network Feature Extraction and Pattern Recognition of Shaft Orbits Based on the Zernike Moment
Table 2
Hu moments of the simulated axis orbit.
| No. | Hu1 | Hu2 | Hu3 | Hu4 | Hu5 | Hu6 | Hu7 |
| 1 | 0.187 | 0.363 | 4.309 | 4.602 | 9.067 | 4.510 | 9.735 | 2 | 0.250 | 0.225 | 2.964 | 3.086 | 6.111 | 2.989 | 8.307 | 3 | 0.116 | 0.177 | 3.931 | 5.038 | 9.610 | 5.157 | 9.764 | 4 | 0.180 | 0.104 | 2.893 | 4.101 | 7.832 | 4.104 | 7.689 | 5 | 0.270 | 1.442 | 3.162 | 2.984 | 6.393 | 3.928 | 6.108 | 6 | 0.226 | 0.074 | 2.171 | 2.195 | 4.423 | 2.236 | 4.741 | 7 | 0.231 | 0.271 | 3.461 | 3.280 | 6.864 | 3.189 | 6.751 | 8 | 0.225 | 0.430 | 2.796 | 2.856 | 5.683 | 2.647 | 7.089 | 9 | 0.279 | 0.190 | 0.268 | 2.957 | 4.412 | 3.160 | 4.500 | 10 | 0.056 | 1.391 | 0.355 | 2.113 | 3.487 | 2.836 | 3.509 | 11 | 0.078 | 0.514 | 0.386 | 1.501 | 2.451 | 1.836 | 3.219 | 12 | 0.139 | 0.070 | 0.292 | 0.951 | 1.574 | 1.023 | 2.577 | 13 | 0.156 | 0.103 | 0.430 | 1.100 | 1.894 | 1.219 | 2.318 | 14 | 0.279 | 0.190 | 0.268 | 2.957 | 4.412 | 3.160 | 4.500 | 15 | 0.056 | 1.391 | 0.355 | 2.113 | 3.487 | 2.836 | 3.509 | 16 | 0.056 | 1.391 | 0.355 | 2.113 | 3.487 | 2.836 | 3.509 | 17 | 0.162 | 1.603 | 1.099 | 0.874 | 1.945 | 2.749 | 2.104 | 18 | 0.116 | 1.192 | 1.266 | 1.085 | 3.524 | 1.936 | 2.262 | 19 | 0.150 | 0.847 | 1.234 | 1.007 | 2.157 | 1.519 | 2.571 | 20 | 0.211 | 0.462 | 0.933 | 0.440 | 1.171 | 0.673 | 1.488 | 21 | 0.166 | 0.264 | 1.132 | 0.568 | 1.425 | 0.712 | 2.159 | 22 | 0.161 | 0.064 | 0.706 | 0.568 | 1.210 | 0.600 | 2.048 | 23 | 0.166 | 0.264 | 1.132 | 0.568 | 1.425 | 0.712 | 2.159 | 24 | 0.161 | 0.064 | 0.706 | 0.568 | 1.210 | 0.600 | 2.048 | 25 | 0.251 | 0.303 | 2.300 | 3.880 | 8.691 | 3.744 | 6.970 | 26 | 0.258 | 0.259 | 0.810 | 2.495 | 4.662 | 2.366 | 4.169 | 27 | 0.267 | 0.230 | 0.384 | 2.012 | 4.185 | 1.909 | 3.212 | 28 | 0.288 | 0.051 | 0.171 | 1.403 | 2.152 | 1.591 | 2.188 | 29 | 0.246 | 0.079 | 0.023 | 2.965 | 4.507 | 3.093 | 4.809 | 30 | 0.253 | 0.029 | 0.065 | 3.139 | 4.799 | 3.234 | 4.856 | 31 | 0.262 | 0.031 | 0.154 | 2.905 | 5.400 | 3.155 | 4.282 | 32 | 0.268 | 0.113 | 0.214 | 3.015 | 4.416 | 3.087 | 5.631 | 33 | 0.131 | 0.055 | 0.510 | 1.125 | 2.138 | 1.485 | 2.057 | 34 | 0.130 | 0.112 | 0.198 | 1.312 | 2.205 | 1.401 | 2.232 | 35 | 0.095 | 0.409 | 0.033 | 1.317 | 2.043 | 1.925 | 2.205 | 36 | 0.099 | 0.624 | 0.118 | 2.017 | 3.110 | 3.074 | 3.124 | 37 | 0.131 | 0.055 | 0.510 | 1.125 | 2.138 | 1.485 | 2.057 | 38 | 0.130 | 0.112 | 0.198 | 1.312 | 2.205 | 1.401 | 2.232 | 39 | 0.095 | 0.409 | 0.033 | 1.317 | 2.043 | 1.925 | 2.205 | 40 | 0.108 | 0.703 | 0.153 | 2.297 | 3.392 | 2.968 | 3.863 |
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