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Comparison to ground truth of sound speed values (m/s) of travel time and waveform tomography reconstructions. Values are reported using the mean sound speed μ in the ROI and the corresponding standard deviation σ.
| Structure | Reference Values | Travel Time Rec. (μ ± σ) | Waveform Rec. (μ ± σ) |
|---|---|---|---|
| Large tumor | 1559 | 1551 ± 10 | 1551 ± 5 |
| Small tumor | 1549 | 1542 ± 2 | 1535 ± 3 |
| Large fat deposit | 1470 | 1501 ± 10 | 1490 ± 9 |
| Small fat deposit | 1470 | 1524 ± 3 | 1511 ± 4 |
| Glandular tissue | 1515 | 1528 ± 3 | 1521 ± 3 |
