Non-destructive evaluation techniques and what they tell us about wood property variation

L Schimleck, J Dahlen, LA Apiolaza, G Downes… - Forests, 2019 - mdpi.com
To maximize utilization of our forest resources, detailed knowledge of wood property
variation and the impacts this has on end-product performance is required at multiple scales …

On the use of X-ray computed tomography for determining wood properties: a review

Q Wei, B Leblon, A La Rocque - Canadian journal of forest …, 2011 - cdnsciencepub.com
In several processes of the forest products industry, an in-depth knowledge of log and board
internal features is required and their determination needs fast scanning systems. One of the …

Models for predicting wood properties in stems of Picea abies and Pinus sylvestris in Sweden

L Wilhelmsson, J Arlinger, K Spångberg… - … journal of forest …, 2002 - Taylor & Francis
To study and model the variation of wood properties, sample trees were selected from 42
Norway spruce and 20 Scots pine stands covering a wide variation in climatic and site …

Automatic knot detection and measurements from X-ray CT images of wood: a review and validation of an improved algorithm on softwood samples

F Longuetaud, F Mothe, B Kerautret… - … and Electronics in …, 2012 - Elsevier
An algorithm to automatically detect and measure knots in CT images of softwood beams
was developed. The algorithm is based on the use of 3D connex components and a 3D …

Quantitative Assessment of Scots Pine (Pinus Sylvestris L.) Whorl Structure in a Forest Environment Using Terrestrial Laser Scanning

J Pyörälä, X Liang, M Vastaranta… - IEEE Journal of …, 2018 - ieeexplore.ieee.org
State-of-the-art technology available at sawmills enables measurements of whorl numbers
and the maximum branch diameter for individual logs, but such information is currently …

Wood density determination by X-and gamma-ray tomography

A Macedo, CMP Vaz, JCD Pereira, JM Naime… - 2002 - degruyter.com
Wood density measurement is related to several factors that influence wood quality. In this
paper, a CT image calibration procedure which allows image quantification in terms of dry …

Influence of precommercial thinning grade on branch diameter and crown ratio in Pinus sylvestris in southern Sweden

N Fahlvik, PM Ekö, N Pettersson - Scandinavian Journal of Forest …, 2005 - Taylor & Francis
Precommercial thinning is regarded as one of the most important measures for influencing
timber quality in stands of Scots pine (Pinus sylvestris L.). The present study considers the …

Comparison of terrestrial laser scanning and X-ray scanning in measuring Scots pine (Pinus sylvestris L.) branch structure

J Pyörälä, V Kankare, M Vastaranta… - … Journal of Forest …, 2018 - Taylor & Francis
While X-ray scanning is increasingly used to measure the interior quality of logs, terrestrial
laser scanning (TLS) could be used to collect information on external tree characteristics. As …

Tracking rameal traces in sessile oak trunks with X-ray computer tomography: biological bases, preliminary results and perspectives

F Colin, F Mothe, C Freyburger, JB Morisset, JM Leban… - Trees, 2010 - Springer
Branch knots and other traces of lateral axes, known as rameal traces, have generally been
disregarded within architectural studies based on external observations and their analysis …

[PDF][PDF] Analysis of log shape and internal knots in twenty maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction

I Pinto, H Pereira, A Usenius - Annals of forest science, 2003 - afs-journal.org
A mathematical reconstruction of Maritime pine (Pinus pinaster Ait.) was produced using the
WoodCim $^{\ooalign {\hfil\hbox {\textsc {r}}\hfil\crcr\mathhexbox20D}} $ software based on …