no code implementations • 30 May 2023 • Wenhao Luo, Yee Hui Lee, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
The technique is successfully validated using SFCW GPR data from actual sites in a tropical area with different soil moisture levels, and the two-dimensional (2D) radar map of subsurface root systems is highly improved compared to existing methods.
1 code implementation • 9 May 2023 • Qiqi Dai, Yee Hui Lee, Hai-Han Sun, Genevieve Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
The reconstruction of the 3D permittivity map from ground-penetrating radar (GPR) data is of great importance for mapping subsurface environments and inspecting underground structural integrity.
no code implementations • 13 Jul 2022 • Qiqi Dai, Yee Hui Lee, Hai-Han Sun, Jiwei Qian, Genevieve Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
To alleviate the computational burden, a deep learning-based 2D GPR forward solver is proposed to predict the GPR B-scans of subsurface objects buried in the heterogeneous soil.
no code implementations • 27 May 2022 • Wenhao Luo, Yee Hui Lee, Lai Fern Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
Normally, the ground surface above the tree roots is assumed to be flat, and standard processing methods based on hyperbolic fitting are applied to the hyperbolae reflection patterns of tree roots for detection purposes.
no code implementations • 17 May 2022 • Hai-Han Sun, Yee Hui Lee, Wenhao Luo, Lai Fern Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
In addition, we present a dual-cross-polarized orientation estimation (DCPOE) algorithm to estimate the object orientation from the two cross-polarized data.
no code implementations • 16 May 2022 • Qiqi Dai, Yee Hui Lee, Hai-Han Sun, Genevieve Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
In the first stage, a U-shape DNN with multi-receptive-field convolutions (MRF-UNet1) is built to remove the clutters due to inhomogeneity of the heterogeneous soil.
no code implementations • 6 Apr 2022 • Wenhao Luo, Yee Hui Lee, Abdulkadir C. Yucel, Genevieve Ow, Mohamed Lokman Mohd Yusof
In high moisture tropical areas such as Singapore, tree fall due to root rot can cause loss of lives and properties.
no code implementations • 8 Mar 2022 • Wenhao Luo, Yee Hui Lee, Lai Fern Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
3D mapping of tree roots is a popular ground-penetrating radar (GPR) application.
no code implementations • 27 Dec 2021 • Hai-Han Sun, Yee Hui Lee, Qiqi Dai, Chongyi Li, Genevieve Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
However, the task of estimating root-related parameters is challenging as the root reflection is a complex function of multiple root parameters and root orientations.
no code implementations • 29 Jan 2021 • Hai-Han Sun, Yee Hui Lee, Chongyi Li, Genevieve Ow, Mohamed Lokman Mohd Yusof, Abdulkadir C. Yucel
The horizontal orientation angle and vertical inclination angle of an elongated subsurface object are key parameters for object identification and imaging in ground penetrating radar (GPR) applications.
no code implementations • 27 Nov 2020 • Hai-Han Sun, Yee Hui Lee, Abdulkadir C. Yucel, Genevieve Ow, Mohamed Lokman Mohd Yusof
In this paper, a compact dual-polarized Vivaldi antenna is presented.