Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/3895

Title: Method for evaluation of coarse cork oak root system by means of digital imaging
Authors: Surový, Peter
Ribeiro, Nuno Almeida
Brasil, Felipe
Pereira, João Santos
Oliveira, Maria do Rosário Gamito
Keywords: Coarse root system
Cork oak
Digital image
Image similarity
Issue Date: Jun-2011
Publisher: Springer
Citation: Surový, P., Ribeiro, N.A., Brasil, F., Pereira, J.S., Oliveira, M.R.G. (2011). Method for evaluation of coarse cork oak root system by means of digital imaging. Agroforest Syst 82:111–119
Abstract: Digital imaging is becoming a powerful tool for data storage and information retrieval. Image comparison and similarity evaluation has become part of the information market and it is today a common part of, for example, web search engines. The cork oak tree (Quercus suber L.), the dominant species of the ‘montado’ woodland system is, due to its cultural and socio-economic value, protected by law that prevents extensive destructive studies on an essential part of the tree—the root. Especially in the Mediterranean zone, where the water is the limiting growth factor, the root development studies are of significant interest. In this work we present a method of using digital images for cork oak coarse root systems-evaluation by means of digital imaging. Acquired images of structural roots are processed automatically to prevent subjective decisions by the human observer. The performance of the method, its potential for semantic retrieval and similarity assess- ment is demonstrated, having as example eight young cork oak root systems, and critical issues for evalu- ation and conclusion-making, are discussed.
URI: http://www.springerlink.com/content/w0307h1212055l8p/fulltext.pdf
http://hdl.handle.net/10174/3895
Type: article
Appears in Collections:ICAAM - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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