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Research Articles

Estimating Scots pine (Pinus sylvestris L.) log diameter under bark by using shape and image data

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Pages 286-293 | Received 24 Feb 2014, Accepted 08 Jul 2015, Published online: 14 Aug 2015

References

  • Altherr E, Unfried P, Hradetzky J, Hradetzky V. 1975. Statistische Rindenbeziehungen als Hilfsmittel zur Ausformung und Aufmessung unentrindeten Stammholzes. Teil II: Weißkiefer, Buche, Hainbuche, Esche. Roterle. [Statistical bark relationships to support the bucking and measuring of logs in bark. Part II: Scots pine, beech, hornbeam, ash, black alder]. Mitteilungen der Forstlichen Versuchs- und Forschungsanstalt Baden-Württemberg (68). German.
  • Chiorescu S, Grundberg S. 2001. The influence of missing bark on measurements performed with a 3D log scanner. Forest Prod J. 51:78–86.
  • Denzler JK, Weidenhiller A, Golser M. 2013. Comparison of different approaches for automatic bark detection on log images. Wood Sci Technol. 47:749–761. doi: 10.1007/s00226-013-0536-9
  • Edlund J. 2004. Methods for automatic grading of saw logs. Umeå: Swedish University of Agricultural Sciences. Silvestria. 335.
  • Gjerdrum P, 2012. Sawlog scaling accuracy before and after barking, and the importance for sawn timber recovery – A case study. Wood Mater Sci Eng. 7:120–125. doi:10.1080/17480272.2011.649783
  • Flodin J, Oja J, Grönlund A. 2008. Fingerprint traceability of logs using the outer shape and the tracheid effect. Forest Prod J. 58:21–27.
  • Haralick RM, Shanmugam K, Dinstein I. 1973. Textural features for image classification. IEEE Trans Syst Man Cybern. 3:610–621. doi:10.1109/TSMC.1973.4309314
  • Heijbel I. 1929. Skogsmatematiska undersökningar rörande tallens bark [Forest-mathematical investigations of pine bark]. Svenska Skogsvårdsföreningens tidskrift. 27:269–373. Swedish.
  • Jähne B. 1997. Digital image processing: concepts, algorithms, and scientific applications. 4th ed. Berlin: Springer.
  • Jäppinen A. 2000. Automatic sorting of sawlogs by grade. Uppsala: Swedish University of Agricultural Sciences. Silvestria. 139.
  • MATLAB. 2010. Natick, MA: The Mathworks.
  • Nilsson D, Edlund U. 2005. Pine and spruce roundwood species classification using multivariate image analysis on bark. Holzforschung. 59:689–695. doi:10.1515/HF.2005.110
  • Oja J, Grundberg S, Grönlund A. 1998. Measuring the outer shape of Pinus sylvestris saw logs with an X-ray logscanner. Scand J Forest Res. 13:340–347. doi:10.1080/02827589809382993
  • Oja J, Wallbäcks L, Grundberg S, Hägerdal E, Grönlund A. 2003. Automatic grading of Scots pine (Pinus sylvestris L.) sawlogs using an industrial X-ray log scanner. Comput Electronics Agric. 41:63–75. doi:10.1016/S0168-1699(03)00042-5
  • Palm C. 2004. Color texture classification by integrative co-occurrence matrices. Pattern Recogn. 37:965–976. doi:10.1016/j.patcog.2003.09.010
  • R: a language and environment for statistical computing. 2012. Vienna: R Foundation for Statistical Computing.
  • Rössler G. 2008. Wie viel Rindenabzug? Schönbrunner Tabellen aus Baden-Württemberg [How much bark deduction?]. Holzkurier. 63:26. German.
  • Skatter S. 1998. Determination of cross-sectional shape of softwood logs from three x-ray projections using an elliptical model. Holz als Roh- und Werkstoff. 56:179–186. doi:10.1007/s001070050295
  • Skatter S, Høibø O, Gjerdrum P. 1998. Simulated yield in a sawmill using different measurement technologies. Holz als Roh- und Werkstoff. 56:267–274. doi:10.1007/s001070050317
  • Weidenhiller A, Denzler JK. 2014. On the suitability of colour and texture analysis for detecting the presence of bark on a log. Comput Electron Agric. 106:42–48. doi:10.1016/j.compag.2014.05.010
  • Weidenhiller A, Denzler JK, Golser M. 2015. Detecting spruce and fir log diameter under bark by using shape and image data. Scand J Forest Res. 30:440–448. doi: 10.1080/02827581.2015.1012111.
  • Zacco P. 1974. The bark thickness of saw logs. No. R 90. Stockholm: Swedish Royal College of Forestry, Department of Forest Prod.

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