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| Employed technique | Area (cm2) | Difference (%) |
|---|---|---|
| Klonk* | 24.57 | Standard* |
| Manual estimation | 24.80 | +0.94 |
| Digimizer | 24.34 | -0.94 |
| Matlab | 25.24 | +2.23 |
| Caliper and Kundin | 32.67 (6.5 x 6.4 x 0.785) | +32.97 |
| Traditional ruler | 37.5 (5.0 X 7.5) | +52.63 |
Klonk standard value
