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    Author(s): Brian K. Via; Todd F. Shupe; Leslie H. Groom; Michael Stine; Chi-Leung So
    Date: 2003
    Source: Near Infared Spectroscopy 11:365-378
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (4.3 MB)


    In manufacturing, monitoring the mechanical properties of wood with near infrared spectroscopy (NIR) is an attractive alternative to more conventional methods. However, no attention has been given to see if models differ between juvenile and mature wood. Additionally, it would be convenient if multiple linear regression (MLR) could perform well in the place of more complicated multivariate models. Therefore, the purpose of this paper was to model the strength, stiffness and density of mature and juvenile longleaf pine to NIR spectra with MLR and principal component regression (PCR).

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    Via, Brian K.; Shupe, Todd F.; Groom, Leslie H.; Stine, Michael; So, Chi-Leung. 2003. Multivariate modelling of density, strength, and stiffness from near infared for mature, juvenile, and pith wood of longleaf pine (Pinus Palustris). Near Infared Spectroscopy 11:365-378


    Multivariate, principal component, multiple linear, regression, density, modulus, NIR, spectroscopy, wood, lumber

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