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Automation of annual tree increment measurement using vision system

Autorzy
Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The objective of the study was the development of an automatic measurement method for tree ring increments using a vision system combined with an XYZ scanner. The elaborated method allows for the measurement of increments on cross-section a tree discs or on increment bores. The solution utilizes the XYZ scanner equipped with a vision system, enabling increment measurement during sample scanning. The vision system collects and analyses images of a wood sample. The splicing of partial images enables the construction of a full image of rings, visible on the entire sample surface. Image construction of the studied sample based on a set of magnified partial pictures enables the attainment of very high resolutions, which in top end optical systems, greatly surpasses the resolutions obtained using traditional scanners. The system works automatically and the algorithm of the increment measurement is based on the image analysis of the sample area and is realized in the acquisition time of partial pictures by the vision system. Configuration of the measurement system enables selection of the field of view and measuring resolution. The maximum obtained in the presented system is 0.001 mm.
Rocznik
Strony
19--30
Opis fizyczny
Bibliogr. 33 poz., rys.
Twórcy
autor
  • Department of Process Control, Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, Krakow, Poland
autor
  • Department of Biometry and Forest Productivity, Faculty of Forestry, University of Agriculture in Krakow, Krakow, Poland
Bibliografia
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  • Socha J., Orzeł S. [2011]: Dynamiczne krzywe bonitacyjne dla drzewostanów sosnowych Puszczy Niepołomickiej (Dynamic site index curves for Scots pine stands in Niepołomice Primeval Forest). Sylwan 155 [5]: 301-312
  • Thetford R.D., Darrigo R.D., Jacoby G.C. [1991]: An image-analysis system for determining densitometric and ring-width time-series. Canadian Journal of Forest Research 21 [10]: 1544-1549
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  • Vila-Lameiro P. Diaz-Maroto I.J. [2007]: Use of digital images in computer assisted dendrochronological analysis of deciduous hardwoods. Wood research 52 [3]: 15-32
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Uwagi
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-80d7fa69-0565-4c9e-98d5-4e76a1fe3585
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