NDLI: Influence of wood anatomy on fiber orientation measurement obtained by laser scanning on five European species

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Influence of wood anatomy on fiber orientation measurement obtained by laser scanning on five European species

Content Provider	Directory of Open Access Journals (DOAJ)
Author	Benoît Besseau Guillaume Pot Robert Collet Joffrey Viguier
Abstract	Abstract In order to obtain high production rates of sawn timber, the sawmilling industry can use laser scanning, allowing knot detection and machine strength grading. In particular, laser scanners measure grain angle using the so-called tracheid effect on wood surface where an elliptic scattering of the laser light can be observed. This paper aims to describe the light scattering obtained by a laser beam projection on wood surface and to assess the accuracy of such fiber orientation measurement on five European species. Firstly, fiber orientation measurement error was assessed by rotating samples. Secondly, the description of the scattering effect was done considering ellipse axis ratios and areas. This was studied according to several parameters such as wood surface machining, moisture content, and orthotropic planes of symmetry. Fiber orientation measurement was successfully performed on all the tested species. The measurement error was below 1.6°, except for oak longitudinal–radial (LR) plane showing an error up to 3.1°. For most of the species, the error was higher in LR plane because of the influence of medullary rays. Despite the observation of major variabilities in laser light scattering, it was possible to measure the grain angles with a good accuracy for all investigated species.
Related Links	http://link.springer.com/article/10.1186/s10086-020-01922-y
ISSN	14350211
e-ISSN	16114663
DOI	10.1186/s10086-020-01922-y
Journal	Journal of Wood Science
Issue Number	1
Volume Number	66
Language	English
Publisher	SpringerOpen
Publisher Place	United Kingdom
Access Restriction	Open
Subject Keyword	Forestry Building Construction Laser Scanning Grain Angle Tracheid Effect Fiber Orientation Hardwood Oak
Content Type	Text
Resource Type	Article
Subject	Biomaterials Forestry

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