Rapid Assessment of Surface Color of Chinese Fir and Eucalyptus Wood by near Infrared Spectroscopy

Zhong Yang; Ya Na Liu; Bin Lv

doi:10.4028/www.scientific.net/AMM.157-158.304

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 157-158Rapid Assessment of Surface Color of Chinese Fir...

Rapid Assessment of Surface Color of Chinese Fir and Eucalyptus Wood by near Infrared Spectroscopy

Abstract:

Chinese fir and eucalyptus are the important plantation wood species in China. Wood color is a property that can reflect aesthetic features of wood and increase the perceived quality of wood. The color parameters of the two woods and the ability of near infrared (NIR) spectroscopy to assess the color parameters were investigated in this study. The results shown the L*, a* and b* values of Chinese fir were 51.91~73.33, 6.26~12.94 and 20.36~32.04 and that of eucalyptus were 42.30~62.44, 8.48~62.44 and 15.07~25.15 respectively. The excellent related coefficients (r) and lower square error of calibration (SEC) illustrated NIR spectroscopy coupled with multivariate data analysis has ability to rapidly predict the L*, a* and b* values of the two wood species. The use of reduced spectral range has little effect on the quality of PLS models allowing the use of inexpensive and portable spectrometers with lower wavelength region to rapidly assess wood surface color.

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Periodical:

Applied Mechanics and Materials (Volumes 157-158)

Pages:

304-307

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.157-158.304

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Online since:

February 2012

Authors:

Zhong Yang, Ya Na Liu, Bin Lv

Keywords:

Chinese Fir, Eucalyptus, Near Infrared Spectroscopy (NIRS), Wood Color

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