Official Journal of the Japan Wood Research Society
From: Predicting oven-dry density of Sugi (Cryptomeria japonica) using near infrared (NIR) spectroscopy and its effect on performance of wood moisture meter
Density calibration
Hand-held
In-line
R 2
SEP
Mean measured density
0.75
5.8
0.78
1.8
NIR-predicted density
0.82
5.0
0.83
1.6