Health Monitoring of Tree-Trunks Using Ground Penetrating Radar

Iraklis Giannakis, Fabio Tosti, Livia Lantini, Amir Alani

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


Ground penetrating radar (GPR) is traditionally applied to smooth surfaces in which the assumption of half-space is an adequate approximation that does not deviate much from reality. Nonetheless, using GPR for internal structure characterization of tree trunks requires measurements on an irregularly shaped closed curve. A typical hyperbola fitting has no physical meaning in this new context since the reflection patterns are strongly associated with the shape of the tree trunk. Instead of a clinical hyperbola, the reflections give rise to complex-shaped patterns that are difficult to be analyzed even in the absence of clutter. In this paper, a novel processing scheme is described which can interpret complex reflection patterns assuming a circular target subject to any arbitrary shaped surface. The proposed methodology can be applied using commercial hand-held antennas in real time, avoiding computationally costly tomographic approaches that require the usage of custom-made bespoke antenna arrays. The validity of the current approach is illustrated both with numerical and real experiments.
Original languageEnglish
Pages (from-to)8317-8326
Number of pages7
JournalIEEE Transactions on Geoscience and Remote Sensing
Issue number10
Early online date20 Jun 2019
Publication statusPublished - Oct 2019


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