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Robust Tree-Ring Detection

  • Mauricio Cerda
  • Nancy Hitschfeld-Kahler
  • Domingo Mery
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4872)

Abstract

The study of tree-rings is a common task in dendrology. Usually the rings deliver information about the age of the tree, historic climate conditions and forest densities. Many different techniques exist to perform the tree-ring detection, but they commonly are semi-automatic. The main idea of this work is to propose an automatic process for the tree-ring detection and compare it with a manual detection made by an expert in dendrology. The proposed technique is based on a variant of the Generalized Hough Transform (GHT) created using a very simple growing model of the tree. The presented automatic algorithm shows tolerance to textured and very noisy images, giving a good tree-ring recognition in most of the cases. In particular, it correctly detects the 80% of the tree-rings in our sample database.

Keywords

dendrology tree-ring hough transform 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Mauricio Cerda
    • 1
    • 3
  • Nancy Hitschfeld-Kahler
    • 1
  • Domingo Mery
    • 2
  1. 1.Department of Computer Science, University of Chile, Blanco Encalada 2120, SantiagoChile
  2. 2.Department of Computer Science, Pontificia Universidad Católica de Chile, Av. Vicuña Mackenna 4860(143), SantiagoChile
  3. 3.INRIA-Loria Laboratory, Campus Scientifique 54506, Vandoeuvre-lès-NancyFrance

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