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Quantitative results of different types of crack testing based on poisson fusion degree.
| Reference crack depth (mm) | 1.5 | 2 | 2.5 | 3.5 | 5 | 8 |
|---|---|---|---|---|---|---|
| Maximum poisson fusion degree | 0.035 | 0.046 | 0.052 | 0.053 | 0.056 | 0.054 |
| Quantitative depth (mm) | 1.4 | 2.2 | 2.46 | 3.2 | 5.3 | 7.7 |
| Quantitative error (%) | −0.07 | 0.09 | −0.03 | −0.09 | 0.06 | −0.04 |
| Mean absolute error | 0.188 | |||||
| Mean squared error | 0.047 | |||||
