Table 3 Quantitative performance comparison of five phase-unwrapping algorithms across different evaluation metrics.
From: Application of a two-dimensional phase unwrapping algorithm to lubricant film thickness measurement
Algorithm | Phase smoothness (GMSD) | Unwrapping errors in noisy region (pixel) | Noise sensitivity (local gradient Std. Dev.) |
|---|---|---|---|
Goldstein Method | 3.0579 | 4466 | 1.4948 |
TIE Method | 0.2299 | 2677 | 0.6993 |
N-F Method | 0.1796 | 1320 | 0.4850 |
SRNCP Method | 0.1579 | 600 | 0.4503 |
Improved Method | 0.1177 | 25 | 0.2894 |