Background
Methods
Subjects
Experimental equipment and software
Data capturing and processing
Determining SRP
Initial alignment of the original and mirror model
Test group_1: Determining SRP using PA algorithm
Test group_2: Determining SRP using WPA algorithm
Reference group: Determining the ground truth
SRP measurement evaluation
Angle error of planes
Position error of the mirrored landmarks
FAI error
Statistical analysis
Results
Analysis of angle error
Analysis of position error
Subject | Err_LMK (mm) | Err_LMK_Up (mm) | Err_LMK_Mid (mm) | Err_LMK_Low (mm) | ||||
---|---|---|---|---|---|---|---|---|
No | WPA | PA | WPA | PA | WPA | PA | WPA | PA |
1 | 4.50 | 5.18 | 4.71 | 5.78 | 3.70 | 4.00 | 5.23 | 6.21 |
2 | 4.59 | 5.59 | 1.94 | 2.99 | 4.07 | 5.32 | 6.21 | 11.97 |
3 | 1.53 | 3.35 | 1.08 | 6.01 | 1.53 | 3.16 | 1.68 | 2.66 |
4 | 5.22 | 5.95 | 3.08 | 4.50 | 4.16 | 4.64 | 7.62 | 8.52 |
5 | 3.14 | 3.43 | 3.36 | 2.03 | 3.45 | 3.34 | 2.59 | 4.08 |
6 | 4.29 | 5.03 | 1.99 | 3.38 | 4.65 | 4.28 | 4.58 | 6.78 |
7 | 1.23 | 2.38 | 1.40 | 3.27 | 0.98 | 1.85 | 1.56 | 2.89 |
8 | 2.75 | 5.08 | 1.37 | 4.12 | 2.59 | 3.97 | 3.50 | 7.15 |
9 | 4.29 | 4.24 | 2.57 | 2.42 | 3.39 | 3.34 | 6.30 | 6.28 |
10 | 5.02 | 8.87 | 2.16 | 7.37 | 4.60 | 7.11 | 6.70 | 12.15 |
11 | 6.77 | 7.35 | 4.60 | 5.55 | 5.74 | 5.78 | 9.13 | 10.42 |
12 | 3.09 | 2.66 | 2.66 | 2.28 | 2.93 | 2.26 | 3.50 | 3.43 |
13 | 1.95 | 1.85 | 0.94 | 0.92 | 1.77 | 1.69 | 2.60 | 2.45 |
14 | 3.76 | 4.21 | 2.08 | 2.71 | 3.03 | 3.44 | 5.51 | 5.96 |
15 | 2.42 | 2.93 | 1.74 | 1.73 | 2.38 | 2.32 | 2.73 | 4.31 |
Mean ± SD | 3.64 ± 1.53 | 4.54 ± 1.92 | 2.38 ± 1.15 | 3.67 ± 1.84 | 3.27 ± 1.29 | 3.77 ± 1.51 | 4.63 ± 2.28 | 6.35 ± 3.23 |