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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 2 Result of the prediction of the density, moisture content, and fiber angle when the interval angle is 50°

From: Simultaneous detection of density, moisture content and fiber direction of wood by THz time-domain spectroscopy

 

Range of the measured data

Standard deviation of the measured data

R2

RMSE

Density

0.25–0.67 (g/cm3)

0.12 (g/cm3)

0.97

0.022 (g/cm3)

Moisture content

0.00–30.98 (%)

8.89 (%)

0.78

4.06 (%)

Fiber direction

0–170 (°)

51.91 (°)

0.90

16.51 (°)

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