TABLE I:
10.40 mm | 6.49 mm | 4.05 mm | 2.53 mm | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Method | Inclusion mean±SD [m/s] | Background mean±SD [m/s] | CNR [dB] | Inclusion mean±SD [m/s] | Background mean±SD [m/s] | CNR [dB] | Inclusion mean±SD [m/s] | Background mean±SD [m/s] | CNR [dB] | Inclusion mean±SD [m/s] | Background mean±SD [m/s] | CNR [dB] |
(1) | 4.95±0.44 | 3.00±0.16 | 21.89 | 4.50±0.33 | 2.85±0.06 | 29.03 | 4.16±0.37 | 2.80±0.10 | 22.26 | 3.76±0.35 | 2.80±0.16 | 15.73 |
(2) | 4.96±0.67 | 2.91±0.12 | 24.36 | 4.64±0.58 | 2.82±0.10 | 24.80 | 4.27±0.36 | 2.74±0.15 | 20.39 | 3.80±0.32 | 2.72±0.30 | 11.06 |
(3) | 4.90±0.64 | 2.91±0.13 | 23.55 | 4.57±0.44 | 2.80±0.08 | 26.72 | 4.27±0.35 | 2.73±0.09 | 24.41 | 3.84±0.39 | 2.71±0.18 | 15.81 |
(4) | 5.24±0.62 | 3.14±0.67 | 9.94 | 4.77±0.41 | 2.99±0.60 | 9.43 | 4.37±0.41 | 2.91±0.62 | 7.52 | 4.00±0.49 | 2.90±0.59 | 5.36 |
(5) | 5.32±0.56 | 3.61±0.93 | 5.28 | 4.72±0.46 | 3.54±1.06 | 0.95 | 4.27±0.36 | 3.23±0.82 | 2.10 | 3.81±0.41 | 3.12±0.73 | −0.40 |