An interactive method for digital tree-ring width measurement

Nivaor Rodolfo Rigozo; Daniel J. R. Nordemann; Ezequiel Echer; Luis Eduardo Antunes Vieira; Alan Prestes

doi:10.22201/igeof.00167169p.2004.43.2.180

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Published: Apr 1, 2004

DOI: https://doi.org/10.22201/igeof.00167169p.2004.43.2.180

Keywords:

Digital image processing Tree ring image Image data analysis Time series

Nivaor Rodolfo Rigozo

Faculdade de Tecnologia Thereza Porto Marques – FAETEC, Jacareí, Brazil; Instituto Nacional de Pesquisas Espaciais – INPE, São José dos Campos, Brazil

Daniel J. R. Nordemann

Faculdade de Tecnologia Thereza Porto Marques – FAETEC, Jacareí, Brazil

Ezequiel Echer

Instituto Nacional de Pesquisas Espaciais – INPE, São José dos Campos, Brazil

Luis Eduardo Antunes Vieira

Instituto Nacional de Pesquisas Espaciais – INPE, São José dos Campos, Brazil

Alan Prestes

Instituto Nacional de Pesquisas Espaciais – INPE, São José dos Campos, Brazil

Abstract

We present a new interactive method for tree-ring width determination. It uses a high resolution scanner and a PC. A program to process scanned tree-ring images was developed in Interactive Data Language (IDL 5.0) environment. The method successfully performs interactive tree-ring image analysis without high-cost complex equipment. A simple test was used to check the precision of ring width measurements from a sliced tree sample, Pinus taeda on Southern Brazil.

How to Cite

Rigozo, N. R., Nordemann, D. J. R., Echer, E., Antunes Vieira, L. E., & Prestes, A. (2004). An interactive method for digital tree-ring width measurement. Geofisica Internacional, 43(2), 281–285. https://doi.org/10.22201/igeof.00167169p.2004.43.2.180

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Vol. 43 No. 2 (2004): April 1, 2004

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