A deep learning approach for tree root detection using GPR spectrogram imagery

Lantini, Livia ORCID: https://orcid.org/0000-0002-0416-1077, Massimi, Federica, Tosti, Fabio ORCID: https://orcid.org/0000-0003-0291-9937, Alani, Amir and Benedetto, Francesco (2022) A deep learning approach for tree root detection using GPR spectrogram imagery. In: 2022 45th International Conference on Telecommunications and Signal Processing (TSP), 13-15 Jul 2022, Prague, Czech Republic.

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Monitoring and conservation of natural resources such as trees have become necessary as the impact of new diseases attacking the integrity of trees has created major concerns for environmentalists and communities in recent years.
Within this context, tree roots are one of the plants' most important and vulnerable organs as well as one of the most challenging ones to inspect. Tree roots naturally are developed under the ground, hence difficult to be seen and access. To that effect, the non-destructive testing (NDT) methods have become one of the preferred methods of tree roots assessment and monitoring as opposed to other conventional and destructive techniques. The applications of the ground penetrating radar (GPR) have proven to be an accurate approach and methodology for the investigation and mapping of tree roots. However, a major challenge for GPR detection of tree roots architecture and pattern accurately is the soil inhomogeneity, including the presence of various natural and artificial features within the soil.
This study aims to mitigate the uncertainty in root detection by proposing a deep learning method based on the analysis of GPR spectrograms (i.e., a graphic representation of a signal's frequency spectrum with respect to time). In this study, the GPR signal is first processed in both the time and frequency domains to filter the existing noise-related information and hence, to produce spectrograms. Subsequently, an image-based deep learning framework is implemented, and the effectiveness in detecting tree roots is analysed in comparison with conventional feature-based machine learning classifiers. The preliminary results of this research demonstrate the potential of the proposed approach and pave the way for the implementation of new methodologies in assessing tree root systems.

Item Type: Conference or Workshop Item (Paper)
ISBN: 9781665469487
Identifier: 10.1109/TSP55681.2022.9851337
Identifier: 10.1109/TSP55681.2022.9851337
Additional Information: © 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: Ground penetrating radar (GPR), tree roots assessment, deep learning, spectrograms
Subjects: Construction and engineering > Civil and environmental engineering
Construction and engineering > Electrical and electronic engineering
Computing > Intelligent systems
Construction and engineering
Related URLs:
Depositing User: Livia Lantini
Date Deposited: 25 Jul 2022 11:27
Last Modified: 20 Dec 2022 09:49
URI: https://repository.uwl.ac.uk/id/eprint/9266


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