Rapid Classification of Softwood and Hardwood by Near Infrared Spectroscopy of Wood Tangential Section

Zhong Yang; Ya Na Liu; Bin Lv; Xu Qin Xie

doi:10.4028/www.scientific.net/AMM.157-158.1624

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 157-158Rapid Classification of Softwood and Hardwood by...

Rapid Classification of Softwood and Hardwood by Near Infrared Spectroscopy of Wood Tangential Section

Abstract:

Due to the shortage of wood resource, manufacturers often use the wood raw materials mixed with softwood and hardwood. Rapid classification and ratio prediction of softwood and hardwood during processing is important to quality control. The feasibility on rapid classification of softwood and hardwood by near infrared spectroscopy (NIR) was investigated in this paper. The results showed that: 1) the classification accuracy of the calibration set samples was 100%. The correlation coefficient (r) between the NIR predicted and the true category variable value was 0.98～0.99 with low SEC of 0.06～0.11; 2) the classification accuracy to the unknown samples was 100%. It was suggested that near infrared spectroscopy can be used to rapidly and accurately classify softwood and hardwood samples.

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Periodical:

Applied Mechanics and Materials (Volumes 157-158)

Pages:

1624-1627

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.157-158.1624

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Online since:

February 2012

Authors:

Zhong Yang, Ya Na Liu, Bin Lv, Xu Qin Xie

Keywords:

Classification, Hardwood, Near Infrared Spectroscopy (NIRS), Softwood

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