Table 1. Comparison of 1-D and 3-D WLS axial strain estimation techniques.
Region | OCT SNR (dB) | Mean strain (mɛ) | Strain sensitivity (µɛ) | Mean elasticity (kPa) | Elasticity sensitivity (kPa) | ||||
---|---|---|---|---|---|---|---|---|---|
1-D | 3-D | 1-D | 3-D | 1-D | 3-D | 1-D | 3-D | ||
1 | 21.2 | −0.6 | −0.6 | 59.4 | 48.1 | 10.5 | 10.5 | 1.1 | 0.9 |
2 | 12.8 | −0.6 | −0.6 | 83.9 | 46.8 | 9.8 | 9.8 | 1.4 | 0.7 |
3 | 4.4 | −0.7 | −0.7 | 169.1 | 125.1 | 9.8 | 9.8 | 3.2 | 1.8 |