Table 4 Monitoring site 2 raw data and IGWO optimized post-Kalman data.
From: Application of optimized Kalman filtering in target tracking based on improved Gray Wolf algorithm
Phase | Measured value (m) X coordinate Y coordinate | IGWO Optimization Kalman (m) X coordinate Y coordinate | X offset/mm | Y offset/mm | ||
---|---|---|---|---|---|---|
1 | 512.0429 | 877.0389 | 512.0429 | 877.0389 | 0.00 | 0.00 |
2 | 512.0430 | 877.0376 | 512.0430 | 877.0376 | 0.03 | 0.05 |
3 | 512.0411 | 877.0377 | 512.0412 | 877.0376 | 0.13 | −0.11 |
4 | 512.0392 | 877.0357 | 512.0390 | 877.0358 | −0.18 | 0.09 |
5 | 512.0377 | 877.0350 | 512.0377 | 877.0348 | 0.02 | −0.19 |
6 | 512.0406 | 877.0342 | 512.0405 | 877.0341 | −0.08 | −0.11 |
7 | 512.0368 | 877.0333 | 512.0371 | 877.0334 | 0.25 | 0.08 |
8 | 512.0358 | 877.0324 | 512.0360 | 877.0325 | 0.15 | 0.13 |
9 | 512.0337 | 877.0325 | 512.0339 | 877.0327 | 0.23 | 0.22 |
10 | 512.0330 | 877.0303 | 512.0332 | 877.0303 | 0.25 | 0.01 |