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The normalized RMS errors of modulus elastograms reconstructed using three methods: no prior, soft prior, and hard prior.
| Method | 7.0 dB | 10 dB | 15 dB |
|---|---|---|---|
| NP | 26.2 % | 24.2 % | 22.6% |
| SP2 | 11.9 % | 9.6 % | 9.4 % |
| SP5 | 12.2% | 9.4 % | 9.1 % |
| HP2 | 9.8 % | 7.7 % | 7.5 % |
| HP5 | 10.0% | 7.4 % | 7.2 % |
The symbols SP2, SP5, HP2, and HP5 represent the cases when SP and HP reconstructions were performed with spatial priors consisting of two and five regions. The normalized RMS values were computed using equation 13.
