Table 4 Precision evaluation for the four methods
From: Comparing 3D foot scanning with conventional measurement methods
Dimension | MADa(mm) | Maximum allowable error in ANSUR [[27]] (mm) | |||
|---|---|---|---|---|---|
3D foot scanning | Digital caliper | Digital footprint | Ink footprint | ||
Foot length | 1.50 | 1.41 | 1.53 | 1.60 | 3.00 |
Ball of foot length | 1.36 | 2.40 | 1.46 | 1.80 | 6.00 |
Outside ball of foot length | 1.34 | 2.01 | 1.41 | 1.90 | Â |
Foot breadth diagonal | 0.73 | 1.42 | 0.77 | 2.65 | Â |
Foot breadth horizontal | 0.79 | 1.66 | 0.83 | 1.75 | 2.00 |
Heel breadth | 0.91 | 0.80 | 0.86 | 1.20 | 2.00 |